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

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

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

enum UserRole {
  OWNER
  MEMBER
}

enum UserStatus {
  ACTIVE
  SUSPENDED
}

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

  // Authorization is on this column, not on an OWNER_EMAIL env check: email is
  // nullable and user-editable, so it is a poor thing to authorize against.
  role        UserRole   @default(MEMBER)
  status      UserStatus @default(ACTIVE)
  invitedById String?

  // Per-member AI controls. aiDailyBudgetUsd null means "use the deployment default"
  // when minting that member's gateway key.
  aiEnabled        Boolean @default(true)
  aiDailyBudgetUsd Float?

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

  invitesCreated Invite[]          @relation("InviteCreator")
  redemption     InviteRedemption?
  passwordResets PasswordReset[]

  mcpTokens      McpAccessToken[]
  mcpAuditLogs   McpAuditLog[]
  oauthAuthCodes OAuthAuthCode[]
  oauthGrants    OAuthGrant[]
}

// ─── Invites ─────────────────────────────────────────────────────
// Signup is invite-only. There is no email capability in this app, so an invite is
// a bearer token in a URL that the owner shares out of band (link or QR code).

model Invite {
  id          String    @id @default(cuid())
  token       String    @unique // randomBytes(16).toString("hex")
  label       String? // free text so the owner remembers who it was for
  createdById String
  maxUses     Int       @default(1)
  usedCount   Int       @default(0)
  expiresAt   DateTime?
  revokedAt   DateTime?
  createdAt   DateTime  @default(now())
  updatedAt   DateTime  @updatedAt

  createdBy   User               @relation("InviteCreator", fields: [createdById], references: [id], onDelete: Cascade)
  redemptions InviteRedemption[]

  @@index([createdById])
}

model InviteRedemption {
  id        String   @id @default(cuid())
  inviteId  String
  userId    String   @unique // a user is created by at most one invite
  email     String?
  provider  String // "credentials" | "oauth"
  createdAt DateTime @default(now())

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

  @@index([inviteId])
}

// Owner-generated, single-use password reset. Delivered out of band like an invite,
// because there is no email infrastructure to send one.
model PasswordReset {
  id        String    @id @default(cuid())
  token     String    @unique
  userId    String
  expiresAt DateTime
  usedAt    DateTime?
  createdAt DateTime  @default(now())

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

  @@index([userId])
}

// ─── MCP access ──────────────────────────────────────────────────
// The app's first header-borne credential. Every other route derives identity
// from the NextAuth JWT cookie, which a machine client (claude.ai, ChatGPT,
// Claude Code) cannot present.

/// Bearer token for the MCP endpoint. Two producers, one table: a token minted
/// by hand in Settings (source "pat") and one issued by the OAuth token endpoint
/// (source "oauth") are the same row shape, so verification has a single path.
///
/// Stored as a SHA-256 hash, unlike Invite.token and PasswordReset.token which
/// are plaintext. Those are single-use and short-lived; this one is long-lived
/// and grants full read/write over a user's whole collection, and the nightly
/// pg_dump keeps 14 days of history.
model McpAccessToken {
  id         String    @id @default(cuid())
  userId     String
  /// sha256 hex of the raw secret - never the secret itself
  tokenHash  String    @unique
  /// First 8 chars of the secret, so the UI can tell two tokens apart
  prefix     String
  /// User-supplied label, or the OAuth client name
  name       String?
  scopes     String[]
  /// "pat" | "oauth"
  source     String    @default("pat")
  /// Set only for OAuth-issued tokens; revoking the grant revokes these with it
  grantId    String?
  lastUsedAt DateTime?
  expiresAt  DateTime?
  revokedAt  DateTime?
  createdAt  DateTime  @default(now())

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

  @@index([userId])
  @@index([grantId])
  @@index([expiresAt])
}

/// One row per MCP tool call. Modelled on AiCall: the arguments are deliberately
/// not recorded - they carry free-text tasting notes and could carry anything.
model McpAuditLog {
  id         String   @id @default(cuid())
  userId     String
  tokenId    String?
  tool       String
  ok         Boolean
  errorCode  String?
  /// Row the call created, updated or deleted
  recordId   String?
  durationMs Int?
  createdAt  DateTime @default(now())

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

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

/// A client registered through RFC 7591 dynamic registration. Not user-owned -
/// registrations are global, and a user's access is revoked by cascading their
/// OAuthGrant instead.
model OAuthClient {
  id                      String    @id @default(cuid())
  clientId                String    @unique
  clientName              String
  redirectUris            String[]
  grantTypes              String[]  @default(["authorization_code", "refresh_token"])
  responseTypes           String[]  @default(["code"])
  /// Public clients only - this server stores no client secrets
  tokenEndpointAuthMethod String    @default("none")
  scope                   String?
  clientUri               String?
  logoUri                 String?
  softwareId              String?
  createdAt               DateTime  @default(now())
  lastUsedAt              DateTime?

  authCodes OAuthAuthCode[]
  grants    OAuthGrant[]

  @@index([createdAt])
}

/// Authorization code, hashed and single-use. Consumed with a guarded updateMany
/// so a replayed code cannot mint a second token.
model OAuthAuthCode {
  id                  String    @id @default(cuid())
  codeHash            String    @unique
  clientId            String
  userId              String
  /// Exactly what was sent to /oauth/authorize - re-checked at the token endpoint
  redirectUri         String
  /// RFC 8707 audience binding
  resource            String?
  scopes              String[]
  codeChallenge       String
  codeChallengeMethod String    @default("S256")
  expiresAt           DateTime
  consumedAt          DateTime?
  createdAt           DateTime  @default(now())

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

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

/// A user's standing consent for one client. Holds the refresh token, since
/// rotation replaces it while the grant itself persists.
model OAuthGrant {
  id       String   @id @default(cuid())
  clientId String
  userId   String
  scopes   String[]

  refreshHash      String?   @unique
  /// One generation back. A hit here means a rotated token was replayed, which
  /// is a theft signal - revoke the whole grant rather than issuing again.
  refreshPrevHash  String?
  refreshExpiresAt DateTime?

  revokedAt  DateTime?
  lastUsedAt DateTime?
  createdAt  DateTime  @default(now())
  updatedAt  DateTime  @updatedAt

  client       OAuthClient      @relation(fields: [clientId], references: [id], onDelete: Cascade)
  user         User             @relation(fields: [userId], references: [id], onDelete: Cascade)
  accessTokens McpAccessToken[]

  @@unique([clientId, userId])
  @@index([userId])
}

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 // "switchboard" (legacy rows may be "claude" | "openai")
  encryptedKey String   @db.Text
  iv           String // initialization vector for decryption
  label        String? // optional user-friendly label
  // Gateway-side id of a key this app minted, so it can be revoked when the
  // account is deleted. Null for a key the owner pasted in by hand.
  gatewayKeyId String?
  isActive     Boolean  @default(true)
  createdAt    DateTime @default(now())
  updatedAt    DateTime @updatedAt

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

  @@unique([userId, provider])
}

/// One row per AI request, written from the gateway's response metadata. Turns
/// "who is spending my money" into a query rather than a journald grep, now that
/// members share the owner's budget.
model AiCall {
  id        String   @id @default(cuid())
  userId    String
  feature   String // e.g. "menu.extract"
  modelId   String? // model the gateway actually routed to
  provider  String?
  costUsd   Float?
  latencyMs Int?
  failover  Boolean  @default(false)
  createdAt DateTime @default(now())

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

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

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? // deprecated and unused; kept so old backups still restore
  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? // "switchboard:<model_id>" — the model the gateway routed to
  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())
  // Denormalised from MenuScan. Ownership was only ever transitive via scanId, which
  // held because nothing queries MenuItem directly - but left any future direct query
  // an IDOR with nothing to stop it. Backfilled from the parent scan, then made
  // required so it cannot silently go missing.
  userId         String
  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])
  @@index([userId])
}

// ─── 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 // "switchboard"
  createdAt DateTime @default(now())

  // Every other user-owned model cascades; without this, deleting a user left
  // orphaned rows holding their raw search queries and AI results.
  user User @relation(fields: [userId], references: [id], onDelete: Cascade)

  @@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
  barcode   String?
  imageUrl  String?
  createdAt DateTime        @default(now())
  updatedAt DateTime        @updatedAt

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

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

// ─── 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)
}