generator client {
  provider      = "prisma-client-js"
  binaryTargets = ["native", "linux-musl-openssl-3.0.x"]
}

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

model Recipe {
  id          String   @id @default(cuid())
  title       String
  description String?
  prepTime    Int?     // minutes
  cookTime    Int?     // minutes
  totalTime   Int?     // minutes
  servings    Int?
  imageUrl    String?
  sourceUrl   String?  // For imported recipes
  author      String?
  cuisine     String?
  category    String?
  rating      Float?
  createdAt   DateTime @default(now())
  updatedAt   DateTime @updatedAt

  sections     RecipeSection[]
  ingredients  Ingredient[]
  instructions Instruction[]
  images       RecipeImage[]
  tags         RecipeTag[]

  @@index([title])
  @@index([cuisine])
  @@index([category])
}

model RecipeSection {
  id       String  @id @default(cuid())
  recipeId String
  name     String  // e.g., "Starter", "Dough", "Assembly"
  order    Int
  timing   String? // e.g., "Day 1 - 8PM", "12 hours before mixing"

  recipe       Recipe        @relation(fields: [recipeId], references: [id], onDelete: Cascade)
  ingredients  Ingredient[]
  instructions Instruction[]

  @@index([recipeId])
}

model Ingredient {
  id        String  @id @default(cuid())
  recipeId  String? // Optional - can be derived from section
  sectionId String? // Optional - if null, belongs to recipe directly
  name      String
  amount    String?
  unit      String?
  notes     String?
  order     Int

  recipe       Recipe?                           @relation(fields: [recipeId], references: [id], onDelete: Cascade)
  section      RecipeSection?                    @relation(fields: [sectionId], references: [id], onDelete: Cascade)
  instructions IngredientInstructionMapping[]

  @@index([recipeId])
  @@index([sectionId])
}

model Instruction {
  id        String  @id @default(cuid())
  recipeId  String? // Optional - can be derived from section
  sectionId String? // Optional - if null, belongs to recipe directly
  step      Int
  text      String  @db.Text
  imageUrl  String?
  timing    String? // e.g., "8:00am", "After 30 minutes", "Day 2 - Morning"

  recipe      Recipe?                           @relation(fields: [recipeId], references: [id], onDelete: Cascade)
  section     RecipeSection?                    @relation(fields: [sectionId], references: [id], onDelete: Cascade)
  ingredients IngredientInstructionMapping[]

  @@index([recipeId])
  @@index([sectionId])
}

model IngredientInstructionMapping {
  id            String      @id @default(cuid())
  ingredientId  String
  instructionId String
  order         Int         // Display order within the instruction

  ingredient  Ingredient  @relation(fields: [ingredientId], references: [id], onDelete: Cascade)
  instruction Instruction @relation(fields: [instructionId], references: [id], onDelete: Cascade)

  @@unique([ingredientId, instructionId])
  @@index([instructionId])
  @@index([ingredientId])
}

model RecipeImage {
  id       String @id @default(cuid())
  recipeId String
  url      String
  order    Int

  recipe Recipe @relation(fields: [recipeId], references: [id], onDelete: Cascade)

  @@index([recipeId])
}

model Tag {
  id      String      @id @default(cuid())
  name    String      @unique
  recipes RecipeTag[]
}

model RecipeTag {
  recipeId String
  tagId    String

  recipe Recipe @relation(fields: [recipeId], references: [id], onDelete: Cascade)
  tag    Tag    @relation(fields: [tagId], references: [id], onDelete: Cascade)

  @@id([recipeId, tagId])
  @@index([recipeId])
  @@index([tagId])
}