// Reference Data Domain
// Contains normalized reference tables for countries, currencies, education, religion

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[]

    @@index([name])
    @@index([level])
    @@index([isActive])
    @@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[]

    @@index([code])
    @@index([isActive])
    @@index([name])
    @@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")

    @@index([code])
    @@index([region])
    @@index([continent])
    @@index([isActive])
    @@index([name])
    @@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[]

    @@index([name])
    @@index([isActive])
    @@map("religions")
}