// Market Intelligence Domain
// Contains market prices, demand analysis, and business intelligence

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])

    @@index([productId, variantId])
    @@index([market, region])
    @@index([priceDate])
    @@index([qualityGrade])
    @@index([trend])
    @@index([verified])
    @@index([price])
    @@map("market_prices")
}

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])

    @@index([productId, variantId])
    @@index([region])
    @@index([demandLevel])
    @@index([forecastDate])
    @@index([season])
    @@index([accuracy])
    @@map("market_demand")
}