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

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

model Product {
  id              Int             @id @default(autoincrement())
  name            String
  description     String?
  category        String
  availability    Boolean         @default(true)
  sourceProductId String? // Original ID from the source
  prices          Price[]
  watchlistItems  WatchlistItem[]
  notifications   Notification[]
  createdAt       DateTime        @default(now())
  updatedAt       DateTime        @updatedAt
  sourceId        Int // Added for the composite unique constraint

  @@unique([name, sourceId])
}

model Price {
  id                 Int       @id @default(autoincrement())
  productId          Int
  product            Product   @relation(fields: [productId], references: [id])
  sourceId           Int
  source             Source    @relation(fields: [sourceId], references: [id])
  regularPrice       Float
  discountedPrice    Float?
  discountPercentage Float?
  unitPrice          String?
  promotionType      String?
  promotionStart     DateTime?
  promotionEnd       DateTime?
  vatIncluded        Boolean   @default(true)
  lastUpdated        DateTime  @default(now())
  createdAt          DateTime  @default(now())
}

model Source {
  id          Int       @id @default(autoincrement())
  name        String    @unique
  url         String
  logo        String?
  lastScraped DateTime?
  prices      Price[]
  createdAt   DateTime  @default(now())
  updatedAt   DateTime  @updatedAt
}

model User {
  id            Int             @id @default(autoincrement())
  email         String          @unique
  name          String?
  watchlist     WatchlistItem[]
  notifications Notification[]
  createdAt     DateTime        @default(now())
  updatedAt     DateTime        @updatedAt
}

model WatchlistItem {
  id        Int      @id @default(autoincrement())
  userId    Int
  user      User     @relation(fields: [userId], references: [id])
  productId Int
  product   Product  @relation(fields: [productId], references: [id])
  createdAt DateTime @default(now())

  @@unique([userId, productId])
}

model Notification {
  id                Int      @id @default(autoincrement())
  userId            Int
  user              User     @relation(fields: [userId], references: [id])
  productId         Int
  product           Product  @relation(fields: [productId], references: [id])
  priceThreshold    Float?
  percentThreshold  Float?
  notifyOnAnyChange Boolean  @default(false)
  isActive          Boolean  @default(true)
  createdAt         DateTime @default(now())
  updatedAt         DateTime @updatedAt

  @@unique([userId, productId])
}