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

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

// ─── Auth.js Models ──────────────────────────────────────────────

model User {
  id            String    @id @default(cuid())
  name          String?
  email         String?   @unique
  emailVerified DateTime?
  image         String?
  password      String?   // hashed password for credentials auth
  createdAt     DateTime  @default(now())
  updatedAt     DateTime  @updatedAt

  accounts      Account[]
  sessions      Session[]
  drinks        Drink[]
  ratings       Rating[]
  menuScans     MenuScan[]
  apiKeys       UserApiKey[]
  preferences   UserPreference?
  wishlistItems WishlistItem[]
  sharedLists   SharedList[]
  barItems      BarItem[]
  recipes       Recipe[]
  flavorProfile FlavorProfile?
}

model Account {
  id                String  @id @default(cuid())
  userId            String
  type              String
  provider          String
  providerAccountId String
  refresh_token     String? @db.Text
  access_token      String? @db.Text
  expires_at        Int?
  token_type        String?
  scope             String?
  id_token          String? @db.Text
  session_state     String?

  user User @relation(fields: [userId], references: [id], onDelete: Cascade)

  @@unique([provider, providerAccountId])
}

model Session {
  id           String   @id @default(cuid())
  sessionToken String   @unique
  userId       String
  expires      DateTime

  user User @relation(fields: [userId], references: [id], onDelete: Cascade)
}

model VerificationToken {
  identifier String
  token      String   @unique
  expires    DateTime

  @@unique([identifier, token])
}

// ─── App Models ──────────────────────────────────────────────────

model UserApiKey {
  id            String   @id @default(cuid())
  userId        String
  provider      String   // "claude" | "openai"
  encryptedKey  String   @db.Text
  iv            String   // initialization vector for decryption
  label         String?  // optional user-friendly label
  isActive      Boolean  @default(true)
  createdAt     DateTime @default(now())
  updatedAt     DateTime @updatedAt

  user User @relation(fields: [userId], references: [id], onDelete: Cascade)

  @@unique([userId, provider])
}

model UserPreference {
  id              String   @id @default(cuid())
  userId          String   @unique
  preferredStyles String[] // e.g., ["IPA", "Stout", "Pinot Noir"]
  avoidedStyles   String[] // e.g., ["Sour", "Light Lager"]
  minAbv          Float?
  maxAbv          Float?
  defaultProvider String?  // preferred AI provider
  createdAt       DateTime @default(now())
  updatedAt       DateTime @updatedAt

  user User @relation(fields: [userId], references: [id], onDelete: Cascade)
}

enum DrinkType {
  BEER
  WINE
  COCKTAIL
  SPIRIT
  OTHER
}

model Drink {
  id          String    @id @default(cuid())
  userId      String
  name        String
  type        DrinkType
  subType     String?   // e.g., "IPA", "Stout", "Cabernet Sauvignon"
  brewery     String?   // brewery or winery
  region      String?
  abv         Float?
  description String?   @db.Text
  imageUrl    String?
  createdAt   DateTime  @default(now())
  updatedAt   DateTime  @updatedAt

  user      User       @relation(fields: [userId], references: [id], onDelete: Cascade)
  ratings   Rating[]
  menuItems MenuItem[]
  recipes   Recipe[]

  @@index([userId])
  @@index([userId, type])
  @@index([userId, name])
}

model Rating {
  id           String   @id @default(cuid())
  userId       String
  drinkId      String
  score        Int      // 1-5
  notes        String?  @db.Text
  wouldReorder Boolean  @default(false)
  location     String?  // where they tried it
  createdAt    DateTime @default(now())
  updatedAt    DateTime @updatedAt

  user  User  @relation(fields: [userId], references: [id], onDelete: Cascade)
  drink Drink @relation(fields: [drinkId], references: [id], onDelete: Cascade)

  @@index([userId])
  @@index([drinkId])
}

enum ScanStatus {
  UPLOADING
  PROCESSING
  COMPLETED
  FAILED
}

model MenuScan {
  id             String     @id @default(cuid())
  userId         String
  imageUrl       String
  status         ScanStatus @default(UPLOADING)
  aiProvider     String?    // which provider was used
  aiRawResponse  Json?      // raw AI response for debugging
  errorMessage   String?    @db.Text
  processedAt    DateTime?
  createdAt      DateTime   @default(now())
  updatedAt      DateTime   @updatedAt

  user  User       @relation(fields: [userId], references: [id], onDelete: Cascade)
  items MenuItem[]

  @@index([userId])
}

model MenuItem {
  id             String    @id @default(cuid())
  scanId         String
  name           String
  type           DrinkType
  subType        String?
  brewery        String?
  abv            Float?
  price          String?
  description    String?   @db.Text
  matchedDrinkId String?
  userRating     Int?      // cached rating from matched drink
  aiRecommended  Boolean   @default(false)
  aiReason       String?   @db.Text // why AI recommends it
  createdAt      DateTime  @default(now())

  scan         MenuScan @relation(fields: [scanId], references: [id], onDelete: Cascade)
  matchedDrink Drink?   @relation(fields: [matchedDrinkId], references: [id], onDelete: SetNull)

  @@index([scanId])
}

// ─── Wishlist / Try Later ────────────────────────────────────────

model WishlistItem {
  id          String    @id @default(cuid())
  userId      String
  name        String
  type        DrinkType
  subType     String?
  brewery     String?
  abv         Float?
  description String?   @db.Text
  notes       String?   @db.Text  // user's personal note ("saw at Joe's bar")
  source      String?   // "scan", "ai_search", "manual"
  createdAt   DateTime  @default(now())
  updatedAt   DateTime  @updatedAt

  user User @relation(fields: [userId], references: [id], onDelete: Cascade)

  @@index([userId])
}

// ─── Search Cache ───────────────────────────────────────────────

model SearchCache {
  id        String   @id @default(cuid())
  userId    String
  queryHash String   // normalized (lowercase, trimmed)
  query     String   // original text
  results   Json     // { drinks: [...] }
  provider  String   // "claude" | "openai"
  createdAt DateTime @default(now())

  @@unique([userId, queryHash, provider])
  @@index([userId])
}

// ─── Shared Lists ────────────────────────────────────────────────

model SharedList {
  id          String   @id @default(cuid())
  userId      String
  slug        String   @unique  // public URL slug
  title       String
  description String?  @db.Text
  listType    String   @default("collection") // "collection", "wishlist", "custom"
  isPublic    Boolean  @default(true)
  drinkIds    String[] // ids of drinks to include (empty = all)
  createdAt   DateTime @default(now())
  updatedAt   DateTime @updatedAt

  user User @relation(fields: [userId], references: [id], onDelete: Cascade)

  @@index([userId])
  @@index([slug])
}

// ─── Bar Inventory ──────────────────────────────────────────────

enum BarItemCategory {
  SPIRITS
  LIQUEURS
  MIXERS
  BITTERS
  GARNISHES
  TOOLS
}

enum BarItemQuantity {
  FULL
  HALF
  LOW
  EMPTY
}

model BarItem {
  id        String          @id @default(cuid())
  userId    String
  name      String
  category  BarItemCategory
  quantity  BarItemQuantity @default(FULL)
  notes     String?         @db.Text
  createdAt DateTime        @default(now())
  updatedAt DateTime        @updatedAt

  user User @relation(fields: [userId], references: [id], onDelete: Cascade)

  @@index([userId])
  @@index([userId, category])
}

// ─── Recipes ────────────────────────────────────────────────────

model Recipe {
  id            String   @id @default(cuid())
  userId        String
  title         String
  ingredients   Json     // [{ name: string, amount: string, available: boolean }]
  steps         Json     // string[]
  garnish       String?
  glassware     String?
  sourceDrinkId String?
  notes         String?  @db.Text
  createdAt     DateTime @default(now())
  updatedAt     DateTime @updatedAt

  user        User   @relation(fields: [userId], references: [id], onDelete: Cascade)
  sourceDrink Drink? @relation(fields: [sourceDrinkId], references: [id], onDelete: SetNull)

  @@index([userId])
}

// ─── Flavor Profile ─────────────────────────────────────────────

model FlavorProfile {
  id          String   @id @default(cuid())
  userId      String   @unique
  profileText String   @db.Text
  profileData Json?
  generatedAt DateTime @default(now())
  ratingCount Int      @default(0)
  updatedAt   DateTime @updatedAt

  user User @relation(fields: [userId], references: [id], onDelete: Cascade)
}