// This is your Prisma schema file,
// learn more about it in the docs: https://pris.ly/d/prisma-schema

generator client {
    provider = "prisma-client-js"
}

datasource db {
    provider = "postgresql"
    url      = env("DATABASE_URL")
}

model User {
    id        String   @id @default(cuid())
    email     String   @unique
    phone     String?
    name      String
    role      UserRole
    isActive  Boolean  @default(true)
    createdAt DateTime @default(now())
    updatedAt DateTime @updatedAt

    // Relations
    farmer        Farmer?
    buyer         Buyer?
    administrator Administrator?
    notifications NotificationRecipient[]

    @@map("users")
}

model Farmer {
    id               String    @id @default(cuid())
    userId           String    @unique
    farmerCode       String    @unique
    name             String
    phone            String?
    email            String?
    dateOfBirth      DateTime?
    gender           Gender?
    maritalStatus    MaritalStatus?
    spouseName       String?
    numberOfChildren Int?          @default(0)
    religionId       String?
    religion         Religion?        @relation(fields: [religionId], references: [id])
    nationalityId    String?       @default("indonesia")
    nationality      Country?      @relation("FarmerNationality", fields: [nationalityId], references: [id])
    address          String?
    village          String?
    district         String?
    province         String?
    postalCode       String?
    countryId        String?   @default("indonesia")
    country          Country?  @relation("FarmerCountry", fields: [countryId], references: [id])
    
    // Location data
    latitude         Float?
    longitude        Float?
    addressGeoJson   Json? // GeoJSON point for precise location
    
    // Identity information
    identityType     IdentityType?
    identityNumber   String?
    identityExpiry   DateTime?
    
    // Banking information
    bankAccount      String?
    bankName         String?
    accountHolderName String?
    
    // Photos and attachments
    profilePhotoUrl  String?
    idCardFrontUrl   String?
    idCardBackUrl    String?
    
    // Verification status
    isVerified       Boolean   @default(false)
    verificationDate DateTime?
    verifiedBy       String? // admin ID who verified
    verificationNotes String?
    
    // Farming experience
    farmingExperience Int? // years of experience
    educationLevelId String?
    educationLevel   EducationLevel?   @relation(fields: [educationLevelId], references: [id])
    occupation       String? // primary occupation if not full-time farmer
    monthlyIncome    Decimal? // estimated monthly income
    landOwnership    LandOwnership?
    primaryCrop      String?
    farmingMethods   String[] // organic, conventional, etc.
    hasVehicle       Boolean? // for transportation
    vehicleType      String? // motorcycle, car, truck, etc.
    hasSmartphone    Boolean? @default(true)
    internetAccess   Boolean? @default(true)
    
    // Emergency contact
    emergencyContactName  String?
    emergencyContactPhone String?
    emergencyContactRelation String?
    
    // Status and metadata
    status           FarmerStatus @default(ACTIVE)
    notes            String?
    joinedAt         DateTime     @default(now())
    createdAt        DateTime     @default(now())
    updatedAt        DateTime     @updatedAt

    // Relations
    user           User                  @relation(fields: [userId], references: [id], onDelete: Cascade)
    farms          Farm[]
    trainings      FarmerTraining[]
    certifications FarmerCertification[]
    procurements   Procurement[]
    harvests       Harvest[]
    attachments    FarmerAttachment[]
    workers        FarmWorker[]
    laborRecords   LaborRecord[]
    laborSchedules LaborSchedule[]
    equipment      Equipment[]
    assets         Asset[]
    financialRecords FinancialRecord[]
    reviews        BuyerReview[]
    contracts      Contract[]
    seasonHarvests SeasonHarvest[]

    @@map("farmers")
}

model Buyer {
    id        String   @id @default(cuid())
    userId    String   @unique
    buyerCode String   @unique
    name      String
    company   String?
    phone     String?
    email     String?
    address   String?
    
    // Enhanced buyer details
    buyerType           BuyerType?
    businessLicense     String?
    taxNumber           String?
    contactPerson       String?
    contactPersonPhone  String?
    paymentTerms        Int? // days
    creditLimit         Decimal?
    preferredProducts   String[]
    qualityRequirements String?
    
    // Location and logistics
    warehouseAddress    String?
    deliveryPreference  String?
    operatingRadius     Decimal? // km
    
    // Business details
    businessSize        BusinessSize?
    yearEstablished     Int?
    annualVolume        Decimal? // estimated annual purchase volume
    employeeCount       Int?
    website             String?
    
    // Financial information
    bankAccount         String?
    bankName            String?
    accountHolderName   String?
    
    // Verification and status
    isVerified          Boolean   @default(false)
    verificationDate    DateTime?
    verifiedBy          String? // admin ID who verified
    verificationNotes   String?
    status              BuyerStatus @default(ACTIVE)
    
    // Photos and documents
    profilePhotoUrl     String?
    businessLicenseUrl  String?
    taxCertificateUrl   String?
    
    // Preferences
    preferredPickupDays String[] // Mon, Tue, Wed, etc.
    preferredPickupTime String?
    minimumOrderQuantity Decimal?
    maximumOrderQuantity Decimal?
    
    notes               String?
    createdAt           DateTime @default(now())
    updatedAt           DateTime @updatedAt

    // Relations
    user         User          @relation(fields: [userId], references: [id], onDelete: Cascade)
    procurements Procurement[]
    reviews      BuyerReview[]
    contracts    Contract[]

    @@map("buyers")
}

model Administrator {
    id        String   @id @default(cuid())
    userId    String   @unique
    adminCode String   @unique
    name      String
    phone     String?
    createdAt DateTime @default(now())
    updatedAt DateTime @updatedAt

    // Relations
    user User @relation(fields: [userId], references: [id], onDelete: Cascade)

    @@map("administrators")
}

model Farm {
    id          String   @id @default(cuid())
    farmerId    String
    farmCode    String   @unique
    name        String
    address     String?
    village     String?
    district    String?
    province    String?
    postalCode  String?
    area        Decimal? // in hectares
    
    // Location data
    latitude    Float?
    longitude   Float?
    boundaries  Json? // GeoJSON polygon for farm boundaries
    elevation   Float? // meters above sea level
    
    // Farm characteristics
    soilType    String?
    soilPH      Float?
    waterSource WaterSource?
    irrigationType IrrigationType?
    slope       SlopeType?
    climate     ClimateType?
    
    // Infrastructure
    hasElectricity    Boolean? @default(false)
    hasWaterAccess    Boolean? @default(false)
    hasStorageFacility Boolean? @default(false)
    hasProcessingUnit Boolean? @default(false)
    accessRoadType    RoadType?
    
    // Photos and documentation
    mainPhotoUrl      String?
    aerialPhotoUrl    String?
    soilPhotoUrl      String?
    
    // Ownership and legal
    ownershipType     FarmOwnership?
    landCertificateNumber String?
    landCertificateUrl    String?
    
    // Agricultural details
    establishedYear   Int?
    totalInvestment   Decimal?
    annualProduction  Decimal? // estimated kg per year
    mainCrops         String[] // primary crops grown
    farmingSystem     FarmingSystem?
    organicCertified  Boolean? @default(false)
    
    description String?
    notes       String?
    isActive    Boolean  @default(true)
    createdAt   DateTime @default(now())
    updatedAt   DateTime @updatedAt

    // Relations
    farmer         Farmer           @relation(fields: [farmerId], references: [id], onDelete: Cascade)
    plots          Plot[]
    harvests       Harvest[]
    attachments    FarmAttachment[]
    weatherData    WeatherData[]
    weatherForecasts WeatherForecast[]
    inputs         FarmInput[]
    inputSchedules InputSchedule[]
    laborRecords   LaborRecord[]
    laborSchedules LaborSchedule[]
    equipmentUsage EquipmentUsage[]
    pestDiseaseRecords PestDiseaseRecord[]
    financialRecords FinancialRecord[]
    soilTests      SoilTest[]

    @@map("farms")
}

model Plot {
    id          String    @id @default(cuid())
    farmId      String
    name        String
    area        Decimal? // in hectares
    productId   String?
    variantId   String?
    plantedDate DateTime?
    boundaries  Json? // GeoJSON polygon for plot boundaries
    description String?
    isActive    Boolean   @default(true)
    createdAt   DateTime  @default(now())
    updatedAt   DateTime  @updatedAt

    // Relations
    farm           Farm            @relation(fields: [farmId], references: [id], onDelete: Cascade)
    product        Product?        @relation(fields: [productId], references: [id])
    variant        ProductVariant? @relation(fields: [variantId], references: [id])
    harvests       Harvest[]
    weatherData    WeatherData[]
    weatherForecasts WeatherForecast[]
    inputs         FarmInput[]
    inputSchedules InputSchedule[]
    laborRecords   LaborRecord[]
    laborSchedules LaborSchedule[]
    equipmentUsage EquipmentUsage[]
    pestDiseaseRecords PestDiseaseRecord[]
    financialRecords FinancialRecord[]
    soilTests      SoilTest[]
    seasons        PlotSeason[]

    @@map("plots")
}

model Harvest {
    id           String         @id @default(cuid())
    farmerId     String
    farmId       String
    plotId       String?
    variantId    String
    quantity     Decimal // in kg
    harvestDate  DateTime
    qualityGrade QualityGrade
    waterContent Decimal? // percentage
    density      Decimal? // kg/m3
    notes        String?
    createdAt    DateTime       @default(now())
    updatedAt    DateTime       @updatedAt

    // Relations
    farmer      Farmer           @relation(fields: [farmerId], references: [id])
    farm        Farm             @relation(fields: [farmId], references: [id])
    plot        Plot?            @relation(fields: [plotId], references: [id])
    variant     ProductVariant   @relation(fields: [variantId], references: [id])
    procurement Procurement?
    modifiers   HarvestModifier[]

    @@map("harvests")
}

model Procurement {
    id              String            @id @default(cuid())
    procurementCode String            @unique
    farmerId        String
    buyerId         String?
    harvestId       String            @unique
    variantId       String
    
    // Quantity and quality details
    quantity        Decimal // in kg
    qualityGrade    QualityGrade
    waterContent    Decimal? // percentage
    density         Decimal? // kg/m3
    
    // Pricing details
    basePrice       Decimal // price per kg
    premiumRate     Decimal             @default(0) // percentage
    totalPrice      Decimal
    transportCost   Decimal?            @default(0)
    processingCost  Decimal?            @default(0)
    finalAmount     Decimal // total amount to be paid
    
    // Location and logistics
    pickupLocation  String?
    deliveryLocation String?
    pickupDate      DateTime?
    deliveryDate    DateTime?
    transportMethod String? // truck, motorcycle, etc.
    
    // Quality assessment
    assessedBy      String? // quality assessor ID
    assessmentDate  DateTime?
    assessmentNotes String?
    rejectedQuantity Decimal?           @default(0)
    rejectionReason String?
    
    // Payment details
    paymentMethod   PaymentMethod?
    paymentReference String?
    bankAccount     String?
    
    // Status and tracking
    status          ProcurementStatus @default(PENDING)
    procurementDate DateTime          @default(now())
    approvedDate    DateTime?
    approvedBy      String? // admin ID who approved
    paymentDate     DateTime?
    completedDate   DateTime?
    
    // Documentation
    contractId      String?           // link to formal contract
    contractNumber  String?
    invoiceNumber   String?
    receiptNumber   String?
    
    notes           String?
    createdAt       DateTime          @default(now())
    updatedAt       DateTime          @updatedAt

    // Relations
    farmer      Farmer                @relation(fields: [farmerId], references: [id])
    buyer       Buyer?                @relation(fields: [buyerId], references: [id])
    harvest     Harvest               @relation(fields: [harvestId], references: [id])
    variant     ProductVariant        @relation(fields: [variantId], references: [id])
    contract    Contract?             @relation(fields: [contractId], references: [id])
    attachments ProcurementAttachment[]

    @@map("procurements")
}

model HarvestModifier {
    id         String @id @default(cuid())
    harvestId  String
    modifierId String
    value      String // actual value applied
    adjustment Decimal? // calculated price adjustment
    createdAt  DateTime @default(now())
    updatedAt  DateTime @updatedAt

    // Relations
    harvest  Harvest         @relation(fields: [harvestId], references: [id], onDelete: Cascade)
    modifier ProductModifier @relation(fields: [modifierId], references: [id])

    @@unique([harvestId, modifierId])
    @@map("harvest_modifiers")
}

model FarmerAttachment {
    id          String           @id @default(cuid())
    farmerId    String
    type        AttachmentType
    title       String
    description String?
    fileUrl     String
    fileName    String
    fileSize    Int? // in bytes
    mimeType    String?
    uploadedBy  String? // user ID who uploaded
    isVerified  Boolean          @default(false)
    verifiedBy  String? // admin ID who verified
    verifiedAt  DateTime?
    createdAt   DateTime         @default(now())
    updatedAt   DateTime         @updatedAt

    // Relations
    farmer Farmer @relation(fields: [farmerId], references: [id], onDelete: Cascade)

    @@map("farmer_attachments")
}

model FarmAttachment {
    id          String              @id @default(cuid())
    farmId      String
    type        FarmAttachmentType
    title       String
    description String?
    fileUrl     String
    fileName    String
    fileSize    Int? // in bytes
    mimeType    String?
    uploadedBy  String? // user ID who uploaded
    takenDate   DateTime? // when photo was taken
    gpsLocation Json? // GeoJSON point where photo was taken
    isVerified  Boolean             @default(false)
    verifiedBy  String? // admin ID who verified
    verifiedAt  DateTime?
    createdAt   DateTime            @default(now())
    updatedAt   DateTime            @updatedAt

    // Relations
    farm Farm @relation(fields: [farmId], references: [id], onDelete: Cascade)

    @@map("farm_attachments")
}

model ProcurementAttachment {
    id            String                    @id @default(cuid())
    procurementId String
    type          ProcurementAttachmentType
    title         String
    description   String?
    fileUrl       String
    fileName      String
    fileSize      Int? // in bytes
    mimeType      String?
    uploadedBy    String? // user ID who uploaded
    takenDate     DateTime? // when photo was taken
    gpsLocation   Json? // GeoJSON point where photo was taken
    isVerified    Boolean                   @default(false)
    verifiedBy    String? // admin ID who verified
    verifiedAt    DateTime?
    createdAt     DateTime                  @default(now())
    updatedAt     DateTime                  @updatedAt

    // Relations
    procurement Procurement @relation(fields: [procurementId], references: [id], onDelete: Cascade)

    @@map("procurement_attachments")
}

model Training {
    id          String   @id @default(cuid())
    title       String
    description String?
    content     String?
    category    String
    duration    Int? // in minutes
    level       String? // beginner, intermediate, advanced
    isActive    Boolean  @default(true)
    createdAt   DateTime @default(now())
    updatedAt   DateTime @updatedAt

    // Relations
    farmerTrainings FarmerTraining[]

    @@map("trainings")
}

model FarmerTraining {
    id          String         @id @default(cuid())
    farmerId    String
    trainingId  String
    status      TrainingStatus @default(ENROLLED)
    progress    Int            @default(0) // percentage
    score       Float?
    completedAt DateTime?
    createdAt   DateTime       @default(now())
    updatedAt   DateTime       @updatedAt

    // Relations
    farmer   Farmer   @relation(fields: [farmerId], references: [id], onDelete: Cascade)
    training Training @relation(fields: [trainingId], references: [id], onDelete: Cascade)

    @@unique([farmerId, trainingId])
    @@map("farmer_trainings")
}

model Certification {
    id             String   @id @default(cuid())
    name           String
    description    String?
    validityPeriod Int? // in months
    requirements   String?
    isActive       Boolean  @default(true)
    createdAt      DateTime @default(now())
    updatedAt      DateTime @updatedAt

    // Relations
    farmerCertifications FarmerCertification[]

    @@map("certifications")
}

model FarmerCertification {
    id                String              @id @default(cuid())
    farmerId          String
    certificationId   String
    status            CertificationStatus @default(PENDING)
    issuedDate        DateTime?
    expiryDate        DateTime?
    certificateNumber String?
    notes             String?
    createdAt         DateTime            @default(now())
    updatedAt         DateTime            @updatedAt

    // Relations
    farmer        Farmer        @relation(fields: [farmerId], references: [id], onDelete: Cascade)
    certification Certification @relation(fields: [certificationId], references: [id], onDelete: Cascade)

    @@unique([farmerId, certificationId])
    @@map("farmer_certifications")
}

model Article {
    id          String        @id @default(cuid())
    title       String
    content     String
    excerpt     String?
    category    String
    tags        String[]
    author      String?
    status      ArticleStatus @default(DRAFT)
    views       BigInt        @default(0)
    publishedAt DateTime?
    createdAt   DateTime      @default(now())
    updatedAt   DateTime      @updatedAt

    @@map("articles")
}

model Product {
    id          String   @id @default(cuid())
    name        String // e.g., "Pepper"
    code        String   @unique
    description String?
    category    String
    unit        String   @default("kg") // kg, ton, etc
    isActive    Boolean  @default(true)
    createdAt   DateTime @default(now())
    updatedAt   DateTime @updatedAt

    // Relations
    plots        Plot[]
    variants     ProductVariant[]
    modifiers    ProductModifier[]
    contracts    Contract[]
    priceHistory PriceHistory[]
    marketPrices MarketPrice[]
    marketDemand MarketDemand[]
    plotSeasons  PlotSeason[]
    seasonHarvests SeasonHarvest[]

    @@map("products")
}

model ProductVariant {
    id          String   @id @default(cuid())
    productId   String
    name        String // e.g., "Black Pepper", "White Pepper"
    code        String   @unique
    description String?
    basePrice   Decimal? // default base price
    isActive    Boolean  @default(true)
    createdAt   DateTime @default(now())
    updatedAt   DateTime @updatedAt

    // Relations
    product      Product        @relation(fields: [productId], references: [id], onDelete: Cascade)
    plots        Plot[]
    harvests     Harvest[]
    procurements Procurement[]
    contracts    Contract[]
    priceHistory PriceHistory[]
    marketPrices MarketPrice[]
    marketDemand MarketDemand[]
    plotSeasons  PlotSeason[]
    seasonHarvests SeasonHarvest[]

    @@map("product_variants")
}

model ProductModifier {
    id            String                @id @default(cuid())
    productId     String
    name          String // e.g., "Water Content", "Density"
    code          String
    description   String?
    selectionType ModifierSelectionType @default(INPUT)
    nominalType   NominalType           @default(NOMINAL)
    options       String[] // For dropdown selections
    minimum       Decimal?
    maximum       Decimal?
    unit          String? // %, kg/m3, etc
    isRequired    Boolean               @default(false)
    isActive      Boolean               @default(true)
    createdAt     DateTime              @default(now())
    updatedAt     DateTime              @updatedAt

    // Relations
    product          Product               @relation(fields: [productId], references: [id], onDelete: Cascade)
    rules            ProductModifierRule[]
    harvestModifiers HarvestModifier[]

    @@unique([productId, code])
    @@map("product_modifiers")
}

model ProductModifierRule {
    id              String        @id @default(cuid())
    modifierId      String
    condition       RuleCondition
    priceAdjustment Decimal // amount to adjust price
    value           String? // For equals condition
    minValue        Decimal? // For lessThan or between conditions
    maxValue        Decimal? // For greaterThan or between conditions
    description     String?
    isActive        Boolean       @default(true)
    createdAt       DateTime      @default(now())
    updatedAt       DateTime      @updatedAt

    // Relations
    modifier ProductModifier @relation(fields: [modifierId], references: [id], onDelete: Cascade)

    @@map("product_modifier_rules")
}

model PriceHistory {
    id            String       @id @default(cuid())
    productId     String?
    variantId     String?
    qualityGrade  QualityGrade
    basePrice     Decimal
    marketPrice   Decimal?
    premiumRate   Decimal        @default(0)
    effectiveDate DateTime
    region        String?
    notes         String?
    createdAt     DateTime     @default(now())

    // Relations
    product Product?        @relation(fields: [productId], references: [id])
    variant ProductVariant? @relation(fields: [variantId], references: [id])

    @@map("price_history")
}

model WeatherData {
    id            String   @id @default(cuid())
    farmId        String?
    plotId        String?
    latitude      Float
    longitude     Float
    date          DateTime
    temperature   Float? // celsius
    humidity      Float? // percentage
    rainfall      Float? // mm
    windSpeed     Float? // km/h
    windDirection String? // N, NE, E, SE, S, SW, W, NW
    pressure      Float? // hPa
    uvIndex       Float?
    visibility    Float? // km
    weatherCondition String? // sunny, cloudy, rainy, etc.
    dataSource    String? // manual, weather_station, api
    createdAt     DateTime @default(now())
    updatedAt     DateTime @updatedAt

    // Relations
    farm Farm? @relation(fields: [farmId], references: [id])
    plot Plot? @relation(fields: [plotId], references: [id])

    @@map("weather_data")
}

model WeatherForecast {
    id               String   @id @default(cuid())
    farmId           String?
    plotId           String?
    latitude         Float
    longitude        Float
    forecastDate     DateTime
    minTemperature   Float?
    maxTemperature   Float?
    humidity         Float?
    rainfall         Float?
    windSpeed        Float?
    weatherCondition String?
    confidence       Float? // percentage
    source           String
    createdAt        DateTime @default(now())

    // Relations
    farm Farm? @relation(fields: [farmId], references: [id])
    plot Plot? @relation(fields: [plotId], references: [id])

    @@map("weather_forecasts")
}

model FarmInput {
    id                String     @id @default(cuid())
    farmId            String
    plotId            String?
    inputType         InputType
    productName       String
    brand             String?
    quantity          Decimal
    unit              String
    cost              Decimal
    supplier          String?
    supplierContact   String?
    batchNumber       String?
    expiryDate        DateTime?
    applicationDate   DateTime?
    applicationMethod String?
    applicationRate   String? // per hectare or per plant
    activeIngredient  String? // for pesticides/fertilizers
    concentration     Decimal? // percentage
    notes             String?
    invoiceNumber     String?
    receiptUrl        String?
    createdAt         DateTime   @default(now())
    updatedAt         DateTime   @updatedAt

    // Relations
    farm Farm  @relation(fields: [farmId], references: [id])
    plot Plot? @relation(fields: [plotId], references: [id])

    @@map("farm_inputs")
}

model InputSchedule {
    id              String         @id @default(cuid())
    farmId          String
    plotId          String?
    inputType       InputType
    productName     String
    scheduledDate   DateTime
    quantity        Decimal
    unit            String
    method          String?
    status          ScheduleStatus @default(PENDING)
    appliedDate     DateTime?
    appliedBy       String?
    actualQuantity  Decimal?
    notes           String?
    createdAt       DateTime       @default(now())
    updatedAt       DateTime       @updatedAt

    // Relations
    farm Farm  @relation(fields: [farmId], references: [id])
    plot Plot? @relation(fields: [plotId], references: [id])

    @@map("input_schedules")
}

model Supplier {
    id              String   @id @default(cuid())
    name            String
    contactPerson   String?
    phone           String?
    email           String?
    address         String?
    supplierType    SupplierType
    paymentTerms    String?
    deliveryTerms   String?
    qualityCertifications String[]
    isActive        Boolean  @default(true)
    notes           String?
    createdAt       DateTime @default(now())
    updatedAt       DateTime @updatedAt

    @@map("suppliers")
}

model FarmWorker {
    id              String      @id @default(cuid())
    farmerId        String
    workerCode      String      @unique
    name            String
    phone           String?
    email           String?
    address         String?
    identityNumber  String?
    role            WorkerRole
    skillLevel      SkillLevel?
    dailyWage       Decimal?
    monthlyWage     Decimal?
    paymentMethod   PaymentMethod?
    bankAccount     String?
    emergencyContact String?
    emergencyPhone  String?
    hireDate        DateTime?
    contractType    ContractType?
    contractEnd     DateTime?
    isActive        Boolean     @default(true)
    notes           String?
    createdAt       DateTime    @default(now())
    updatedAt       DateTime    @updatedAt

    // Relations
    farmer         Farmer          @relation(fields: [farmerId], references: [id])
    laborRecords   LaborRecord[]
    laborSchedules LaborSchedule[]

    @@map("farm_workers")
}

model LaborRecord {
    id           String    @id @default(cuid())
    farmerId     String
    farmId       String
    workerId     String?
    plotId       String?
    workType     WorkType
    hoursWorked  Decimal
    wages        Decimal
    workDate     DateTime
    startTime    DateTime?
    endTime      DateTime?
    description  String?
    supervisor   String? // supervisor name or ID
    qualityRating Decimal? // 1-5 rating
    weather      String?
    notes        String?
    approved     Boolean   @default(false)
    approvedBy   String?
    approvedDate DateTime?
    paymentStatus PaymentStatus @default(PENDING)
    paidDate     DateTime?
    createdAt    DateTime  @default(now())
    updatedAt    DateTime  @updatedAt

    // Relations
    farmer Farmer     @relation(fields: [farmerId], references: [id])
    farm   Farm       @relation(fields: [farmId], references: [id])
    worker FarmWorker? @relation(fields: [workerId], references: [id])
    plot   Plot?      @relation(fields: [plotId], references: [id])

    @@map("labor_records")
}

model LaborSchedule {
    id           String         @id @default(cuid())
    farmerId     String
    farmId       String
    workerId     String?
    plotId       String?
    workType     WorkType
    scheduledDate DateTime
    estimatedHours Decimal
    estimatedWage Decimal?
    status       ScheduleStatus @default(PENDING)
    assignedBy   String?
    notes        String?
    actualRecord String? // reference to LaborRecord ID
    createdAt    DateTime       @default(now())
    updatedAt    DateTime       @updatedAt

    // Relations
    farmer Farmer     @relation(fields: [farmerId], references: [id])
    farm   Farm       @relation(fields: [farmId], references: [id])
    worker FarmWorker? @relation(fields: [workerId], references: [id])
    plot   Plot?      @relation(fields: [plotId], references: [id])

    @@map("labor_schedules")
}

model Equipment {
    id                String              @id @default(cuid())
    farmerId          String
    equipmentCode     String              @unique
    name              String
    type              EquipmentType
    brand             String?
    model             String?
    serialNumber      String?
    purchaseDate      DateTime?
    purchasePrice     Decimal?
    currentValue      Decimal?
    condition         EquipmentCondition
    status            EquipmentStatus     @default(ACTIVE)
    location          String? // where equipment is stored
    fuelType          String? // diesel, petrol, electric, manual
    capacity          String? // engine capacity, load capacity
    powerRating       String? // horsepower, wattage
    yearManufactured  Int?
    warranty          String?
    insurancePolicy   String?
    insuranceExpiry   DateTime?
    lastMaintenance   DateTime?
    nextMaintenance   DateTime?
    maintenanceCost   Decimal?
    operatingHours    Decimal? // total operating hours
    isActive          Boolean             @default(true)
    notes             String?
    photoUrl          String?
    manualUrl         String?
    createdAt         DateTime            @default(now())
    updatedAt         DateTime            @updatedAt

    // Relations
    farmer            Farmer              @relation(fields: [farmerId], references: [id])
    maintenanceRecords MaintenanceRecord[]
    usageRecords      EquipmentUsage[]

    @@map("equipment")
}

model MaintenanceRecord {
    id              String          @id @default(cuid())
    equipmentId     String
    maintenanceType MaintenanceType
    description     String
    cost            Decimal
    serviceProvider String?
    serviceDate     DateTime
    nextServiceDue  DateTime?
    partsReplaced   String[]
    laborHours      Decimal?
    invoiceNumber   String?
    receiptUrl      String?
    performedBy     String?
    notes           String?
    createdAt       DateTime        @default(now())
    updatedAt       DateTime        @updatedAt

    // Relations
    equipment Equipment @relation(fields: [equipmentId], references: [id])

    @@map("maintenance_records")
}

model EquipmentUsage {
    id            String    @id @default(cuid())
    equipmentId   String
    farmId        String?
    plotId        String?
    operatorName  String?
    usageDate     DateTime
    startTime     DateTime?
    endTime       DateTime?
    hoursUsed     Decimal
    fuelConsumed  Decimal?
    workType      WorkType?
    description   String?
    meterReading  Decimal? // odometer, hour meter reading
    notes         String?
    createdAt     DateTime  @default(now())
    updatedAt     DateTime  @updatedAt

    // Relations
    equipment Equipment @relation(fields: [equipmentId], references: [id])
    farm      Farm?     @relation(fields: [farmId], references: [id])
    plot      Plot?     @relation(fields: [plotId], references: [id])

    @@map("equipment_usage")
}

model Asset {
    id              String      @id @default(cuid())
    farmerId        String
    assetCode       String      @unique
    name            String
    type            AssetType
    category        String? // building, land improvement, infrastructure
    description     String?
    purchaseDate    DateTime?
    purchasePrice   Decimal?
    currentValue    Decimal?
    depreciation    Decimal? // annual depreciation rate
    condition       AssetCondition
    location        String?
    size            String? // dimensions, area
    material        String? // construction material
    lifespan        Int? // expected lifespan in years
    warrantyExpiry  DateTime?
    insurancePolicy String?
    insuranceExpiry DateTime?
    photoUrls       String[]
    documentUrls    String[]
    isActive        Boolean     @default(true)
    notes           String?
    createdAt       DateTime    @default(now())
    updatedAt       DateTime    @updatedAt

    // Relations
    farmer Farmer @relation(fields: [farmerId], references: [id])

    @@map("assets")
}

model BuyerReview {
    id          String   @id @default(cuid())
    buyerId     String
    farmerId    String
    rating      Decimal // 1-5 rating
    comment     String?
    reviewType  ReviewType
    procurementId String? // reference to procurement if applicable
    isAnonymous Boolean  @default(false)
    createdAt   DateTime @default(now())
    updatedAt   DateTime @updatedAt

    // Relations
    buyer  Buyer  @relation(fields: [buyerId], references: [id])
    farmer Farmer @relation(fields: [farmerId], references: [id])

    @@map("buyer_reviews")
}

model PestDiseaseRecord {
    id              String            @id @default(cuid())
    farmId          String
    plotId          String?
    type            PestDiseaseType
    name            String
    scientificName  String?
    severity        SeverityLevel
    affectedArea    Decimal? // percentage or hectares
    identifiedDate  DateTime
    identifiedBy    String? // farmer, expert, etc.
    symptoms        String?
    treatmentApplied String?
    treatmentDate   DateTime?
    treatmentCost   Decimal?
    treatmentMethod String?
    preventionTaken String?
    resolved        Boolean           @default(false)
    resolvedDate    DateTime?
    recurrence      Boolean           @default(false)
    photos          String[] // photo URLs
    notes           String?
    createdAt       DateTime          @default(now())
    updatedAt       DateTime          @updatedAt

    // Relations
    farm Farm  @relation(fields: [farmId], references: [id])
    plot Plot? @relation(fields: [plotId], references: [id])

    @@map("pest_disease_records")
}

model FinancialRecord {
    id              String            @id @default(cuid())
    farmerId        String
    farmId          String?
    plotId          String?
    type            TransactionType
    category        String
    subcategory     String?
    amount          Decimal
    currencyId      String            @default("idr")
    currency        Currency          @relation(fields: [currencyId], references: [id])
    description     String
    transactionDate DateTime
    paymentMethod   PaymentMethod?
    receiptNumber   String?
    invoiceNumber   String?
    referenceNumber String?
    taxAmount       Decimal?            @default(0)
    bankAccount     String?
    payee           String? // who received payment
    approvedBy      String? // admin who approved
    status          TransactionStatus @default(PENDING)
    notes           String?
    attachmentUrls  String[]
    createdAt       DateTime          @default(now())
    updatedAt       DateTime          @updatedAt

    // Relations
    farmer Farmer @relation(fields: [farmerId], references: [id])
    farm   Farm?  @relation(fields: [farmId], references: [id])
    plot   Plot?  @relation(fields: [plotId], references: [id])

    @@map("financial_records")
}

model SoilTest {
    id              String   @id @default(cuid())
    farmId          String
    plotId          String?
    testCode        String   @unique
    testDate        DateTime
    sampleDepth     Decimal? // cm
    sampleLocation  String?
    gpsCoordinates  Json? // GeoJSON point
    
    // Basic soil properties
    pH              Decimal?
    organicMatter   Decimal? // percentage
    soilTexture     String? // clay, sand, loam, etc.
    bulkDensity     Decimal? // g/cm³
    porosity        Decimal? // percentage
    
    // Nutrients (ppm)
    nitrogen        Decimal?
    phosphorus      Decimal?
    potassium       Decimal?
    calcium         Decimal?
    magnesium       Decimal?
    sulfur          Decimal?
    
    // Micronutrients (ppm)
    zinc            Decimal?
    iron            Decimal?
    manganese       Decimal?
    copper          Decimal?
    boron           Decimal?
    
    // Other properties
    conductivity    Decimal? // dS/m
    cationExchangeCapacity Decimal? // cmol/kg
    baseStaturation Decimal? // percentage
    carbonNitrogenRatio Decimal?
    
    // Analysis details
    recommendations String?
    testLaboratory  String?
    technicianName  String?
    testCost        Decimal?
    reportUrl       String?
    
    notes           String?
    createdAt       DateTime @default(now())
    updatedAt       DateTime @updatedAt

    // Relations
    farm Farm  @relation(fields: [farmId], references: [id])
    plot Plot? @relation(fields: [plotId], references: [id])

    @@map("soil_tests")
}

model EducationLevel {
    id          String   @id @default(cuid())
    name        String   @unique
    level       Int      // 0=No formal, 1=Elementary, etc.
    description String?
    isActive    Boolean  @default(true)
    createdAt   DateTime @default(now())
    updatedAt   DateTime @updatedAt

    // Relations
    farmers Farmer[]

    @@map("education_levels")
}

model Currency {
    id          String   @id // ISO currency code like "idr", "usd"
    name        String   @unique
    code        String   @unique // ISO 4217 currency code
    symbol      String   // €, $, Rp, etc.
    isActive    Boolean  @default(true)
    createdAt   DateTime @default(now())
    updatedAt   DateTime @updatedAt

    // Relations
    financialRecords FinancialRecord[]

    @@map("currencies")
}

model Country {
    id          String   @id // ISO country code like "indonesia", "malaysia"
    name        String   @unique
    code        String   @unique // ISO 3166-1 alpha-2 code
    region      String?
    continent   String?
    isActive    Boolean  @default(true)
    createdAt   DateTime @default(now())
    updatedAt   DateTime @updatedAt

    // Relations
    farmerNationalities Farmer[] @relation("FarmerNationality")
    farmerCountries     Farmer[] @relation("FarmerCountry")

    @@map("countries")
}

model Religion {
    id          String   @id @default(cuid())
    name        String   @unique
    description String?
    isActive    Boolean  @default(true)
    createdAt   DateTime @default(now())
    updatedAt   DateTime @updatedAt

    // Relations
    farmers Farmer[]

    @@map("religions")
}

model Message {
    id           String      @id @default(cuid())
    senderId     String
    receiverId   String?
    groupId      String?
    subject      String?
    content      String
    messageType  MessageType
    priority     Priority    @default(NORMAL)
    isRead       Boolean     @default(false)
    readAt       DateTime?
    attachments  String[] // file URLs
    deliveryStatus MessageStatus @default(SENT)
    sentAt       DateTime    @default(now())
    createdAt    DateTime    @default(now())
    updatedAt    DateTime    @updatedAt

    @@map("messages")
}

model MarketPrice {
    id            String       @id @default(cuid())
    productId     String
    variantId     String?
    market        String
    region        String
    price         Decimal
    unit          String       @default("kg")
    qualityGrade  QualityGrade
    priceDate     DateTime
    source        String? // where price data came from
    volume        Decimal? // trading volume
    trend         PriceTrend?
    verified      Boolean      @default(false)
    verifiedBy    String?
    notes         String?
    createdAt     DateTime     @default(now())

    // Relations
    product Product        @relation(fields: [productId], references: [id])
    variant ProductVariant? @relation(fields: [variantId], references: [id])

    @@map("market_prices")
}

model Contract {
    id                String        @id @default(cuid())
    contractNumber    String        @unique
    farmerId          String
    buyerId           String
    productId         String?
    variantId         String?
    
    // Contract terms
    title             String
    description       String?
    contractType      AgreementType  @default(PURCHASE_AGREEMENT)
    
    // Pricing and quantity
    agreedPrice       Decimal       // price per unit
    minimumQuantity   Decimal?
    maximumQuantity   Decimal?
    totalValue        Decimal?
    unit              String        @default("kg")
    
    // Quality specifications
    qualityGrade      QualityGrade?
    qualityRequirements String?
    
    // Timeline
    startDate         DateTime
    endDate           DateTime
    deliverySchedule  String?       // delivery frequency/schedule
    
    // Payment terms
    paymentTerms      String?       // payment conditions
    paymentMethod     PaymentMethod?
    advancePayment    Decimal?      @default(0)
    advancePercentage Decimal?      @default(0)
    
    // Legal and compliance
    terms             String?       // full terms and conditions
    penalties         String?       // penalty clauses
    forcemajeure      String?       // force majeure clause
    governingLaw      String?       // applicable law
    
    // Status and tracking
    status            ContractStatus @default(DRAFT)
    signedDate        DateTime?
    signedByFarmer    Boolean       @default(false)
    signedByBuyer     Boolean       @default(false)
    farmerSignature   String?       // signature data or URL
    buyerSignature    String?       // signature data or URL
    witnessName       String?
    witnessSignature  String?
    
    // Performance tracking
    totalDelivered    Decimal?      @default(0)
    totalPaid         Decimal?      @default(0)
    deliveryCount     Int           @default(0)
    
    // Renewal and amendments
    renewalDate       DateTime?
    amendmentCount    Int           @default(0)
    parentContractId  String?       // for contract renewals
    
    // Documentation
    documentUrl       String?       // contract document
    attachmentUrls    String[]      // supporting documents
    
    notes             String?
    createdAt         DateTime      @default(now())
    updatedAt         DateTime      @updatedAt

    // Relations
    farmer            Farmer        @relation(fields: [farmerId], references: [id])
    buyer             Buyer         @relation(fields: [buyerId], references: [id])
    product           Product?      @relation(fields: [productId], references: [id])
    variant           ProductVariant? @relation(fields: [variantId], references: [id])
    parentContract    Contract?     @relation("ContractRenewal", fields: [parentContractId], references: [id])
    renewalContracts  Contract[]    @relation("ContractRenewal")
    procurements      Procurement[] // deliveries under this contract

    @@map("contracts")
}

model Notification {
    id              String             @id @default(cuid())
    title           String
    message         String
    type            NotificationType
    category        NotificationCategory @default(GENERAL)
    priority        Priority           @default(NORMAL)
    
    // Recipients
    recipientId     String?            // specific user ID
    recipientType   UserRole?          // or broadcast to user type
    recipientIds    String[]           // multiple specific users
    
    // Targeting
    farmerIds       String[]           // specific farmers
    buyerIds        String[]           // specific buyers
    region          String?            // geographic targeting
    productIds      String[]           // product-specific notifications
    
    // Content and media
    content         String?            // detailed content/body
    imageUrl        String?
    actionUrl       String?            // deep link or action URL
    actionLabel     String?            // button text
    
    // Scheduling
    scheduledAt     DateTime?          // for scheduled notifications
    expiresAt       DateTime?          // expiration date
    
    // Status tracking
    status          NotificationStatus @default(PENDING)
    sentAt          DateTime?
    deliveredCount  Int                @default(0)
    readCount       Int                @default(0)
    clickCount      Int                @default(0)
    
    // Metadata
    source          String?            // system, admin, automated, etc.
    sourceId        String?            // reference to source entity
    tags            String[]           // for categorization
    metadata        Json?              // additional data
    
    // Tracking
    isRead          Boolean            @default(false)
    readAt          DateTime?
    isClicked       Boolean            @default(false)
    clickedAt       DateTime?
    
    createdAt       DateTime           @default(now())
    updatedAt       DateTime           @updatedAt

    // Relations
    recipients      NotificationRecipient[]

    @@map("notifications")
}

model NotificationRecipient {
    id             String   @id @default(cuid())
    notificationId String
    userId         String
    isRead         Boolean  @default(false)
    readAt         DateTime?
    isClicked      Boolean  @default(false)
    clickedAt      DateTime?
    isDelivered    Boolean  @default(false)
    deliveredAt    DateTime?
    createdAt      DateTime @default(now())

    // Relations
    notification   Notification @relation(fields: [notificationId], references: [id], onDelete: Cascade)
    user           User         @relation(fields: [userId], references: [id], onDelete: Cascade)

    @@unique([notificationId, userId])
    @@map("notification_recipients")
}

model Season {
    id              String   @id @default(cuid())
    name            String   // e.g., "Wet Season 2024", "Dry Season 2024"
    seasonType      SeasonType
    year            Int
    
    // Timeline
    startDate       DateTime
    endDate         DateTime
    
    // Weather characteristics
    avgRainfall     Decimal? // mm
    avgTemperature  Float?   // celsius
    avgHumidity     Decimal? // percentage
    
    // Agricultural phases
    plantingStart   DateTime?
    plantingEnd     DateTime?
    growingStart    DateTime?
    growingEnd      DateTime?
    harvestStart    DateTime?
    harvestEnd      DateTime?
    
    // Region and scope
    region          String?
    province        String?
    country         String   @default("Indonesia")
    
    // Crop recommendations
    recommendedCrops String[] // suitable crops for this season
    notRecommendedCrops String[] // crops to avoid
    
    // Market expectations
    expectedDemand  DemandLevel?
    priceOutlook    PriceTrend?
    marketNotes     String?
    
    // Agricultural activities
    activities      Json?    // structured data for farming activities
    
    // Status
    isActive        Boolean  @default(true)
    isCurrent       Boolean  @default(false)
    
    description     String?
    notes           String?
    createdAt       DateTime @default(now())
    updatedAt       DateTime @updatedAt

    // Relations
    plots           PlotSeason[]
    harvests        SeasonHarvest[]
    weatherData     SeasonWeather[]

    @@unique([seasonType, year, region])
    @@map("seasons")
}

model PlotSeason {
    id          String   @id @default(cuid())
    plotId      String
    seasonId    String
    productId   String?
    variantId   String?
    
    // Planting details
    plantedDate DateTime?
    plantedArea Decimal? // hectares actually planted
    seedVariety String?
    
    // Expected outcomes
    expectedYield     Decimal? // kg per hectare
    expectedHarvest   Decimal? // total kg expected
    expectedHarvestDate DateTime?
    
    // Actual outcomes
    actualYield       Decimal? // kg per hectare
    actualHarvest     Decimal? // total kg harvested
    actualHarvestDate DateTime?
    
    status        PlantingStatus @default(PLANNED)
    notes         String?
    createdAt     DateTime       @default(now())
    updatedAt     DateTime       @updatedAt

    // Relations
    plot    Plot            @relation(fields: [plotId], references: [id])
    season  Season          @relation(fields: [seasonId], references: [id])
    product Product?        @relation(fields: [productId], references: [id])
    variant ProductVariant? @relation(fields: [variantId], references: [id])

    @@unique([plotId, seasonId])
    @@map("plot_seasons")
}

model SeasonHarvest {
    id          String   @id @default(cuid())
    seasonId    String
    farmerId    String
    productId   String
    variantId   String?
    
    totalQuantity   Decimal
    averageQuality  QualityGrade
    totalValue      Decimal
    
    harvestCount    Int      @default(1)
    firstHarvest    DateTime
    lastHarvest     DateTime?
    
    notes           String?
    createdAt       DateTime @default(now())

    // Relations
    season  Season          @relation(fields: [seasonId], references: [id])
    farmer  Farmer          @relation(fields: [farmerId], references: [id])
    product Product         @relation(fields: [productId], references: [id])
    variant ProductVariant? @relation(fields: [variantId], references: [id])

    @@map("season_harvests")
}

model SeasonWeather {
    id              String   @id @default(cuid())
    seasonId        String
    region          String
    
    // Aggregated weather data
    totalRainfall   Decimal? // mm
    avgTemperature  Float?   // celsius
    minTemperature  Float?   // celsius
    maxTemperature  Float?   // celsius
    avgHumidity     Decimal? // percentage
    
    // Extreme events
    droughtDays     Int?     @default(0)
    floodDays       Int?     @default(0)
    stormCount      Int?     @default(0)
    
    // Impact assessment
    cropDamage      Decimal? // percentage
    yieldImpact     Decimal? // percentage change
    
    notes           String?
    createdAt       DateTime @default(now())

    // Relations
    season Season @relation(fields: [seasonId], references: [id])

    @@unique([seasonId, region])
    @@map("season_weather")
}

model MarketDemand {
    id              String      @id @default(cuid())
    productId       String
    variantId       String?
    region          String
    demandLevel     DemandLevel
    estimatedVolume Decimal?
    priceRange      String?
    season          String?
    factors         String[] // factors affecting demand
    forecastDate    DateTime
    forecastBy      String?
    accuracy        Decimal? // percentage
    notes           String?
    createdAt       DateTime    @default(now())

    // Relations
    product Product        @relation(fields: [productId], references: [id])
    variant ProductVariant? @relation(fields: [variantId], references: [id])

    @@map("market_demand")
}

// Enums
enum UserRole {
    FARMER
    BUYER
    ADMINISTRATOR
}

enum QualityGrade {
    A
    B
    C
}

enum ProcurementStatus {
    PENDING
    QUALITY_ASSESSMENT
    APPROVED
    REJECTED
    IN_TRANSIT
    DELIVERED
    INVOICED
    PAID
    COMPLETED
    CANCELLED
    PARTIALLY_REJECTED
}

enum TrainingStatus {
    ENROLLED
    IN_PROGRESS
    COMPLETED
    DROPPED
}

enum CertificationStatus {
    PENDING
    APPROVED
    REJECTED
    EXPIRED
}

enum ArticleStatus {
    DRAFT
    PUBLISHED
    ARCHIVED
}

enum ModifierSelectionType {
    DROPDOWN
    INPUT
}

enum NominalType {
    NOMINAL
    PERCENTAGE
}

enum RuleCondition {
    EQUALS
    LESS_THAN
    GREATER_THAN
    BETWEEN
}

enum Gender {
    MALE
    FEMALE
    OTHER
}

enum IdentityType {
    KTP // Indonesian ID Card
    PASSPORT
    DRIVING_LICENSE
    OTHER
}

// EducationLevel enum converted to table above

enum FarmerStatus {
    ACTIVE
    INACTIVE
    SUSPENDED
    PENDING_VERIFICATION
    BLACKLISTED
}

enum AttachmentType {
    PROFILE_PHOTO
    ID_CARD_FRONT
    ID_CARD_BACK
    FARMING_LICENSE
    LAND_CERTIFICATE
    BANK_STATEMENT
    CONTRACT
    CERTIFICATE
    OTHER_DOCUMENT
}

enum MaritalStatus {
    SINGLE
    MARRIED
    DIVORCED
    WIDOWED
    SEPARATED
}

// Religion enum converted to table above

enum LandOwnership {
    OWNER
    TENANT
    SHARECROPPER
    COOPERATIVE_MEMBER
    GOVERNMENT_LEASE
    FAMILY_LAND
    OTHER
}

enum WaterSource {
    RAIN_FED
    IRRIGATION_CANAL
    WELL
    RIVER
    POND
    GROUNDWATER
    SPRING
    MIXED
}

enum IrrigationType {
    FLOOD
    SPRINKLER
    DRIP
    FURROW
    MANUAL
    NONE
}

enum SlopeType {
    FLAT
    GENTLE
    MODERATE
    STEEP
    VERY_STEEP
}

enum ClimateType {
    TROPICAL_WET
    TROPICAL_DRY
    SUBTROPICAL
    TEMPERATE
    HIGHLAND
}

enum RoadType {
    PAVED
    GRAVEL
    DIRT
    FOOTPATH
    NO_ACCESS
}

enum FarmOwnership {
    PRIVATE_OWNED
    LEASED
    SHARECROPPED
    COOPERATIVE
    GOVERNMENT
    COMMUNAL
    FAMILY_INHERITED
}

enum FarmingSystem {
    MONOCULTURE
    POLYCULTURE
    MIXED_FARMING
    ORGANIC
    CONVENTIONAL
    INTEGRATED
    PERMACULTURE
    AGROFORESTRY
}

enum FarmAttachmentType {
    MAIN_PHOTO
    AERIAL_PHOTO
    SOIL_PHOTO
    CROP_PHOTO
    INFRASTRUCTURE_PHOTO
    LAND_CERTIFICATE
    SURVEY_MAP
    WATER_SOURCE_PHOTO
    ENTRANCE_PHOTO
    BOUNDARY_PHOTO
    EQUIPMENT_PHOTO
    STORAGE_PHOTO
    OTHER_DOCUMENT
}

enum PaymentMethod {
    CASH
    BANK_TRANSFER
    MOBILE_MONEY
    CHECK
    DIGITAL_WALLET
    CREDIT
    BARTER
    INSTALLMENT
}

enum ProcurementAttachmentType {
    PRODUCT_PHOTO
    QUALITY_ASSESSMENT_PHOTO
    WEIGHING_PHOTO
    PACKAGING_PHOTO
    LOADING_PHOTO
    DELIVERY_PHOTO
    CONTRACT_DOCUMENT
    INVOICE
    RECEIPT
    PAYMENT_PROOF
    QUALITY_CERTIFICATE
    TRANSPORT_DOCUMENT
    REJECTION_PHOTO
    SIGNATURE_DOCUMENT
    OTHER_DOCUMENT
}

// Input Management Enums
enum InputType {
    SEED
    FERTILIZER
    PESTICIDE
    HERBICIDE
    FUNGICIDE
    INSECTICIDE
    EQUIPMENT_RENTAL
    FUEL
    IRRIGATION_WATER
    MULCH
    COMPOST
    LIME
    OTHER
}

enum ScheduleStatus {
    PENDING
    SCHEDULED
    IN_PROGRESS
    COMPLETED
    CANCELLED
    OVERDUE
}

enum SupplierType {
    SEED_SUPPLIER
    FERTILIZER_SUPPLIER
    PESTICIDE_SUPPLIER
    EQUIPMENT_SUPPLIER
    GENERAL_SUPPLIER
    COOPERATIVE
    GOVERNMENT_AGENCY
}

// Labor Management Enums
enum WorkerRole {
    PERMANENT
    SEASONAL
    DAILY
    CONTRACTOR
    SUPERVISOR
    FOREMAN
    SPECIALIST
}

enum SkillLevel {
    BEGINNER
    INTERMEDIATE
    ADVANCED
    EXPERT
}

enum ContractType {
    PERMANENT
    TEMPORARY
    SEASONAL
    PROJECT_BASED
    DAILY
}

enum WorkType {
    PLANTING
    WEEDING
    FERTILIZING
    HARVESTING
    IRRIGATION
    PEST_CONTROL
    SOIL_PREPARATION
    PRUNING
    GENERAL_MAINTENANCE
    EQUIPMENT_OPERATION
    PROCESSING
    PACKAGING
    TRANSPORT
}

enum PaymentStatus {
    PENDING
    APPROVED
    PAID
    OVERDUE
    CANCELLED
}

// Equipment & Asset Enums
enum EquipmentType {
    TRACTOR
    HARVESTER
    PLANTER
    CULTIVATOR
    IRRIGATION_SYSTEM
    SPRAYER
    THRESHER
    MOWER
    TOOLS
    VEHICLE
    PROCESSING_EQUIPMENT
    STORAGE_EQUIPMENT
}

enum EquipmentCondition {
    EXCELLENT
    GOOD
    FAIR
    POOR
    NEEDS_REPAIR
    OUT_OF_ORDER
}

enum EquipmentStatus {
    ACTIVE
    INACTIVE
    MAINTENANCE
    REPAIR
    RETIRED
}

enum MaintenanceType {
    PREVENTIVE
    CORRECTIVE
    EMERGENCY
    OVERHAUL
    INSPECTION
    CALIBRATION
}

enum AssetType {
    BUILDING
    LAND_IMPROVEMENT
    INFRASTRUCTURE
    VEHICLE
    MACHINERY
    FURNITURE
    TECHNOLOGY
    OTHER
}

enum AssetCondition {
    NEW
    EXCELLENT
    GOOD
    FAIR
    POOR
    DAMAGED
}

// Buyer Enums
enum BuyerType {
    INDIVIDUAL
    WHOLESALER
    RETAILER
    PROCESSOR
    EXPORTER
    COOPERATIVE
    GOVERNMENT
    RESTAURANT
    HOTEL
}

enum BusinessSize {
    MICRO
    SMALL
    MEDIUM
    LARGE
    ENTERPRISE
}

enum BuyerStatus {
    ACTIVE
    INACTIVE
    SUSPENDED
    PENDING_VERIFICATION
    BLACKLISTED
}

enum ReviewType {
    PAYMENT_TIMELINESS
    QUALITY_REQUIREMENTS
    COMMUNICATION
    OVERALL_EXPERIENCE
    PRICE_FAIRNESS
}

// Pest & Disease Enums
enum PestDiseaseType {
    PEST
    DISEASE
    WEED
    NUTRIENT_DEFICIENCY
    VIRUS
    FUNGUS
    BACTERIA
}

enum SeverityLevel {
    LOW
    MEDIUM
    HIGH
    CRITICAL
    CATASTROPHIC
}

// Financial Enums
enum TransactionType {
    INCOME
    EXPENSE
    INVESTMENT
    LOAN
    LOAN_PAYMENT
    INSURANCE_PAYMENT
    TAX_PAYMENT
    GRANT
    SUBSIDY
    REFUND
}

enum TransactionStatus {
    PENDING
    APPROVED
    COMPLETED
    REJECTED
    CANCELLED
    FAILED
}

// Notification Enums
enum NotificationType {
    SYSTEM
    ANNOUNCEMENT
    ALERT
    REMINDER
    PROMOTION
    UPDATE
    WARNING
    INFO
    SUCCESS
    ERROR
}

enum NotificationCategory {
    GENERAL
    PROCUREMENT
    PAYMENT
    QUALITY
    WEATHER
    PRICE_ALERT
    TRAINING
    CERTIFICATION
    MAINTENANCE
    HARVEST
    PLANTING
    MARKET
    CONTRACT
    COMPLIANCE
}

enum NotificationStatus {
    PENDING
    SCHEDULED
    SENT
    DELIVERED
    FAILED
    CANCELLED
    EXPIRED
}

// Communication Enums
enum MessageType {
    PERSONAL
    BROADCAST
    NOTIFICATION
    ALERT
    SYSTEM
    ANNOUNCEMENT
}

enum Priority {
    LOW
    NORMAL
    HIGH
    URGENT
    CRITICAL
}

enum MessageStatus {
    SENT
    DELIVERED
    READ
    FAILED
    PENDING
}

// Contract Enums
enum AgreementType {
    PURCHASE_AGREEMENT
    SUPPLY_CONTRACT
    EXCLUSIVE_SUPPLY
    SEASONAL_CONTRACT
    FORWARD_CONTRACT
    SPOT_CONTRACT
    CONSIGNMENT
    PARTNERSHIP
}

enum ContractStatus {
    DRAFT
    PENDING_REVIEW
    PENDING_SIGNATURE
    ACTIVE
    FULFILLED
    EXPIRED
    TERMINATED
    CANCELLED
    BREACH
    RENEWED
}

// Season Enums
enum SeasonType {
    WET_SEASON
    DRY_SEASON
    TRANSITION
    YEAR_ROUND
    SPRING
    SUMMER
    FALL
    WINTER
}

enum PlantingStatus {
    PLANNED
    PLANTED
    GROWING
    FLOWERING
    FRUITING
    HARVESTING
    HARVESTED
    FAILED
    ABANDONED
}

// Market Intelligence Enums
enum PriceTrend {
    RISING
    FALLING
    STABLE
    VOLATILE
}

enum DemandLevel {
    VERY_LOW
    LOW
    MODERATE
    HIGH
    VERY_HIGH
    EXCESSIVE
}