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

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

model Product {
  id             Int             @id @default(autoincrement())
  name           String
  normalizedName String          @unique
  category       String?
  canonicalName  String?
  isActive       Boolean         @default(true)
  deletedAt      DateTime?
  createdAt      DateTime        @default(now())
  updatedAt      DateTime        @updatedAt

  inventoryItems    InventoryItem[]
  recipeIngredients RecipeIngredient[]
  pantryItems       PantryItem[]
  receiptAliases    ReceiptAlias[]
}

model InventoryItem {
  id             Int      @id @default(autoincrement())
  productId      Int
  quantity       Decimal  @db.Decimal(10, 2)
  unit           String
  brand		 String?
  location       String?
  priority       Int?
  purchaseDate   DateTime?
  opened         Boolean?
  shelfNote      String?
  suitableFor    String?
  isOnSale       Boolean?
  priceLevel     Int?
  bestBeforeDate DateTime?	
  proteinType    String?
  isLeftover     Boolean?
  comment        String?

  createdAt      DateTime @default(now())
  updatedAt      DateTime @updatedAt

  product Product @relation(fields: [productId], references: [id], onDelete: Cascade)
  consumptions   InventoryConsumption[]

  @@index([productId])
}

model InventoryConsumption {
  id              Int           @id @default(autoincrement())
  inventoryItem   InventoryItem @relation(fields: [inventoryItemId], references: [id])
  inventoryItemId Int
  amountUsed      Decimal       @db.Decimal(10, 2)
  comment         String?
  createdAt       DateTime      @default(now())
}

model Recipe {
  id           Int                @id @default(autoincrement())
  name         String
  description  String?            @db.Text
  instructions String?            @db.Text
  imageUrl     String?
  createdAt    DateTime           @default(now())
  updatedAt    DateTime           @updatedAt

  ingredients   RecipeIngredient[]
  mealPlanEntries MealPlanEntry[]
}

model RecipeIngredient {
  id        Int      @id @default(autoincrement())
  recipe    Recipe   @relation(fields: [recipeId], references: [id])
  recipeId  Int
  product   Product  @relation(fields: [productId], references: [id])
  productId Int
  quantity  Decimal  @db.Decimal(10, 2)
  unit      String
  note      String?

  createdAt DateTime @default(now())
  updatedAt DateTime @updatedAt
}

model PantryItem {
  id        Int      @id @default(autoincrement())
  productId Int      @unique
  product   Product  @relation(fields: [productId], references: [id], onDelete: Cascade)
  createdAt DateTime @default(now())
  updatedAt DateTime @updatedAt
}

model ReceiptAlias {
  id           Int      @id @default(autoincrement())
  receiptName  String   @unique  // normaliserat kvittonamn (lowercase, trim)
  productId    Int
  product      Product  @relation(fields: [productId], references: [id], onDelete: Cascade)
  createdAt    DateTime @default(now())
}

model MealPlanEntry {
  id        Int      @id @default(autoincrement())
  date      DateTime @db.Date
  recipe    Recipe   @relation(fields: [recipeId], references: [id], onDelete: Cascade)
  recipeId  Int
  createdAt DateTime @default(now())
  updatedAt DateTime @updatedAt

  @@unique([date])
  @@index([date])
}