// Season & Cycle Management Domain
// Contains Season planning, PlotSeason tracking, and seasonal analytics

// Season-specific 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
}

// Season Models
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])
    @@index([seasonType, year])
    @@index([region])
    @@index([startDate, endDate])
    @@index([isActive])
    @@index([isCurrent])
    @@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])
    @@index([plotId, seasonId])
    @@index([status])
    @@index([plantedDate])
    @@index([productId, variantId])
    @@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])

    @@index([seasonId, farmerId])
    @@index([productId, variantId])
    @@index([firstHarvest])
    @@index([averageQuality])
    @@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])
    @@index([seasonId, region])
    @@index([totalRainfall])
    @@index([avgTemperature])
    @@map("season_weather")
}