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

datasource db {
  provider = "postgresql"
}

// ───────────────────────────────────────
// Auth.js required models
// ───────────────────────────────────────

enum Role {
  ADMIN
  USER
}

model User {
  id             String    @id @default(cuid())
  name           String?
  email          String?   @unique
  emailVerified  DateTime?
  image          String?
  hashedPassword String?
  role           Role      @default(ADMIN)
  createdAt      DateTime  @default(now())
  updatedAt      DateTime  @updatedAt

  accounts  Account[]
  sessions  Session[]
  filaments Filament[]
  resins    Resin[]
  paints    Paint[]
  supplies  Supply[]
  vendors   Vendor[]
  locations Location[]
  usageLogs    UsageLog[]
  tags         Tag[]
  settings     UserSettings?
  telegramLink TelegramLink?
  inviteCodes  InviteCode[]
}

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
  expires    DateTime

  @@unique([identifier, token])
}

// ───────────────────────────────────────
// Domain models
// ───────────────────────────────────────

model Vendor {
  id        String   @id @default(cuid())
  name      String   @db.VarChar(64)
  website   String?  @db.VarChar(256)
  notes     String?  @db.Text
  archived  Boolean  @default(false)
  createdAt DateTime @default(now())
  updatedAt DateTime @updatedAt
  userId    String

  user      User       @relation(fields: [userId], references: [id], onDelete: Cascade)
  filaments Filament[]
  resins    Resin[]
  paints    Paint[]
  supplies  Supply[]

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

model Location {
  id          String   @id @default(cuid())
  name        String   @db.VarChar(64)
  description String?  @db.VarChar(256)
  archived    Boolean  @default(false)
  createdAt   DateTime @default(now())
  updatedAt   DateTime @updatedAt
  userId      String

  user      User       @relation(fields: [userId], references: [id], onDelete: Cascade)
  filaments Filament[]
  resins    Resin[]
  paints    Paint[]
  supplies  Supply[]

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

model Filament {
  id               String    @id @default(cuid())
  name             String    @db.VarChar(128)
  brand            String    @db.VarChar(64)
  material         String    @db.VarChar(32)
  color            String    @db.VarChar(64)
  colorHex         String    @db.VarChar(7)
  diameter         Float     @default(1.75)
  spoolWeight      Float
  usedWeight       Float     @default(0)
  emptySpoolWeight Float     @default(0)
  purchaseDate     DateTime?
  cost             Float?
  notes            String?   @db.Text
  archived         Boolean   @default(false)
  createdAt        DateTime  @default(now())
  updatedAt        DateTime  @updatedAt

  userId     String
  vendorId   String?
  locationId String?

  user      User           @relation(fields: [userId], references: [id], onDelete: Cascade)
  vendor    Vendor?        @relation(fields: [vendorId], references: [id], onDelete: SetNull)
  location  Location?      @relation(fields: [locationId], references: [id], onDelete: SetNull)
  tags      TagOnFilament[]
  usageLogs UsageLog[]

  @@index([userId])
  @@index([vendorId])
  @@index([locationId])
  @@index([material])
  @@index([archived])
  @@index([brand])
}

model Resin {
  id           String    @id @default(cuid())
  name         String    @db.VarChar(128)
  brand        String    @db.VarChar(64)
  resinType    String    @db.VarChar(32)
  color        String    @db.VarChar(64)
  colorHex     String    @db.VarChar(7)
  bottleSize   Float
  usedML       Float     @default(0)
  purchaseDate DateTime?
  cost         Float?
  notes        String?   @db.Text
  archived     Boolean   @default(false)
  createdAt    DateTime  @default(now())
  updatedAt    DateTime  @updatedAt

  userId     String
  vendorId   String?
  locationId String?

  user      User         @relation(fields: [userId], references: [id], onDelete: Cascade)
  vendor    Vendor?      @relation(fields: [vendorId], references: [id], onDelete: SetNull)
  location  Location?    @relation(fields: [locationId], references: [id], onDelete: SetNull)
  tags      TagOnResin[]
  usageLogs UsageLog[]

  @@index([userId])
  @@index([vendorId])
  @@index([locationId])
  @@index([resinType])
  @@index([archived])
  @@index([brand])
}

model Paint {
  id           String    @id @default(cuid())
  name         String    @db.VarChar(128)
  brand        String    @db.VarChar(64)
  line         String?   @db.VarChar(64)
  color        String    @db.VarChar(64)
  colorHex     String    @db.VarChar(7)
  finish       String    @db.VarChar(32)
  volumeML     Float
  usedML       Float     @default(0)
  purchaseDate DateTime?
  cost         Float?
  notes        String?   @db.Text
  archived     Boolean   @default(false)
  createdAt    DateTime  @default(now())
  updatedAt    DateTime  @updatedAt

  userId     String
  vendorId   String?
  locationId String?

  user      User          @relation(fields: [userId], references: [id], onDelete: Cascade)
  vendor    Vendor?       @relation(fields: [vendorId], references: [id], onDelete: SetNull)
  location  Location?     @relation(fields: [locationId], references: [id], onDelete: SetNull)
  tags      TagOnPaint[]
  usageLogs UsageLog[]

  @@index([userId])
  @@index([vendorId])
  @@index([locationId])
  @@index([finish])
  @@index([archived])
  @@index([brand])
}

model Tag {
  id        String   @id @default(cuid())
  name      String   @db.VarChar(64)
  createdAt DateTime @default(now())
  userId    String

  user      User            @relation(fields: [userId], references: [id], onDelete: Cascade)
  filaments TagOnFilament[]
  resins    TagOnResin[]
  paints    TagOnPaint[]
  supplies  TagOnSupply[]

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

model TagOnFilament {
  filamentId String
  tagId      String

  filament Filament @relation(fields: [filamentId], references: [id], onDelete: Cascade)
  tag      Tag      @relation(fields: [tagId], references: [id], onDelete: Cascade)

  @@id([filamentId, tagId])
}

model TagOnResin {
  resinId String
  tagId   String

  resin Resin @relation(fields: [resinId], references: [id], onDelete: Cascade)
  tag   Tag   @relation(fields: [tagId], references: [id], onDelete: Cascade)

  @@id([resinId, tagId])
}

model TagOnPaint {
  paintId String
  tagId   String

  paint Paint @relation(fields: [paintId], references: [id], onDelete: Cascade)
  tag   Tag   @relation(fields: [tagId], references: [id], onDelete: Cascade)

  @@id([paintId, tagId])
}

model Supply {
  id           String    @id @default(cuid())
  name         String    @db.VarChar(128)
  brand        String    @db.VarChar(64)
  category     String    @db.VarChar(32)
  color        String?   @db.VarChar(64)
  colorHex     String?   @db.VarChar(7)
  totalAmount  Float
  usedAmount   Float     @default(0)
  unit         String    @db.VarChar(16)
  purchaseDate DateTime?
  cost         Float?
  notes        String?   @db.Text
  archived     Boolean   @default(false)
  createdAt    DateTime  @default(now())
  updatedAt    DateTime  @updatedAt

  userId     String
  vendorId   String?
  locationId String?

  user      User           @relation(fields: [userId], references: [id], onDelete: Cascade)
  vendor    Vendor?        @relation(fields: [vendorId], references: [id], onDelete: SetNull)
  location  Location?      @relation(fields: [locationId], references: [id], onDelete: SetNull)
  tags      TagOnSupply[]
  usageLogs UsageLog[]

  @@index([userId])
  @@index([vendorId])
  @@index([locationId])
  @@index([category])
  @@index([archived])
  @@index([brand])
}

model TagOnSupply {
  supplyId String
  tagId    String

  supply Supply @relation(fields: [supplyId], references: [id], onDelete: Cascade)
  tag    Tag    @relation(fields: [tagId], references: [id], onDelete: Cascade)

  @@id([supplyId, tagId])
}

model UsageLog {
  id        String   @id @default(cuid())
  itemType  String   @db.VarChar(16)
  itemId    String
  amount    Float
  unit      String   @db.VarChar(16)
  notes     String?  @db.Text
  createdAt DateTime @default(now())
  userId    String

  user       User      @relation(fields: [userId], references: [id], onDelete: Cascade)
  filament   Filament? @relation(fields: [filamentId], references: [id], onDelete: Cascade)
  filamentId String?
  resin      Resin?    @relation(fields: [resinId], references: [id], onDelete: Cascade)
  resinId    String?
  paint      Paint?    @relation(fields: [paintId], references: [id], onDelete: Cascade)
  paintId    String?
  supply     Supply?   @relation(fields: [supplyId], references: [id], onDelete: Cascade)
  supplyId   String?

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

model UserSettings {
  id                String @id @default(cuid())
  userId            String @unique
  lowStockThreshold Float  @default(10)
  currency          String @default("USD") @db.VarChar(3)
  theme             String @default("dark") @db.VarChar(8)
  units             String @default("metric") @db.VarChar(8)

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

// ───────────────────────────────────────
// Telegram ingestion models
// ───────────────────────────────────────

enum AuthState {
  PENDING
  AWAITING_CODE
  AWAITING_PASSWORD
  AUTHENTICATED
  EXPIRED
}

enum ChannelType {
  SOURCE
  DESTINATION
}

enum ChannelRole {
  READER
  WRITER
}

enum ArchiveType {
  ZIP
  RAR
}

enum IngestionStatus {
  RUNNING
  COMPLETED
  FAILED
  CANCELLED
}

enum FetchStatus {
  PENDING
  IN_PROGRESS
  COMPLETED
  FAILED
}

model TelegramAccount {
  id          String    @id @default(cuid())
  phone       String    @unique
  displayName String?
  isActive    Boolean   @default(true)
  authState   AuthState @default(PENDING)
  authCode    String?
  lastSeenAt  DateTime?
  createdAt   DateTime  @default(now())
  updatedAt   DateTime  @updatedAt

  channelMaps   AccountChannelMap[]
  ingestionRuns IngestionRun[]
  fetchRequests ChannelFetchRequest[]

  @@index([isActive])
  @@map("telegram_accounts")
}

model TelegramChannel {
  id         String      @id @default(cuid())
  telegramId BigInt      @unique
  title      String
  type       ChannelType
  isForum    Boolean     @default(false)
  isActive   Boolean     @default(false)
  createdAt  DateTime    @default(now())
  updatedAt  DateTime    @updatedAt

  accountMaps AccountChannelMap[]
  packages    Package[]

  @@index([type, isActive])
  @@map("telegram_channels")
}

model AccountChannelMap {
  id                     String      @id @default(cuid())
  accountId              String
  channelId              String
  role                   ChannelRole @default(READER)
  lastProcessedMessageId BigInt?
  createdAt              DateTime    @default(now())

  account        TelegramAccount @relation(fields: [accountId], references: [id], onDelete: Cascade)
  channel        TelegramChannel @relation(fields: [channelId], references: [id], onDelete: Cascade)
  topicProgress  TopicProgress[]

  @@unique([accountId, channelId])
  @@index([accountId])
  @@index([channelId])
  @@map("account_channel_map")
}

model Package {
  id              String      @id @default(cuid())
  contentHash     String      @unique
  fileName        String
  fileSize        BigInt
  archiveType     ArchiveType
  creator         String?
  sourceChannelId String
  sourceMessageId BigInt
  sourceTopicId   BigInt?
  destChannelId   String?
  destMessageId   BigInt?
  isMultipart     Boolean     @default(false)
  partCount       Int         @default(1)
  fileCount       Int         @default(0)
  previewData     Bytes?      // JPEG thumbnail from nearby Telegram photo (stored as raw bytes)
  previewMsgId    BigInt?     // Telegram message ID of the matched photo
  indexedAt        DateTime   @default(now())
  createdAt       DateTime    @default(now())

  sourceChannel  TelegramChannel @relation(fields: [sourceChannelId], references: [id])
  files          PackageFile[]
  ingestionRun   IngestionRun?   @relation(fields: [ingestionRunId], references: [id])
  ingestionRunId String?
  sendRequests   BotSendRequest[]

  @@index([sourceChannelId])
  @@index([destChannelId])
  @@index([fileName])
  @@index([indexedAt])
  @@index([archiveType])
  @@index([creator])
  @@map("packages")
}

model PackageFile {
  id               String @id @default(cuid())
  packageId        String
  path             String
  fileName         String
  extension        String?
  compressedSize   BigInt  @default(0)
  uncompressedSize BigInt  @default(0)
  crc32            String?

  package Package @relation(fields: [packageId], references: [id], onDelete: Cascade)

  @@index([packageId])
  @@index([extension])
  @@index([fileName])
  @@map("package_files")
}

model IngestionRun {
  id              String          @id @default(cuid())
  accountId       String
  status          IngestionStatus @default(RUNNING)
  startedAt       DateTime        @default(now())
  finishedAt      DateTime?
  messagesScanned Int             @default(0)
  zipsFound       Int             @default(0)
  zipsDuplicate   Int             @default(0)
  zipsIngested    Int             @default(0)
  errorMessage    String?

  // Live activity tracking — written by worker in real-time
  currentActivity String?         // Human-readable: "Downloading pack.zip (part 2/5)"
  currentStep     String?         // Machine-readable step key
  currentChannel  String?         // Channel title being processed
  currentFile     String?         // File currently being processed
  currentFileNum  Int?            // Which archive set (1-indexed)
  totalFiles      Int?            // Total archive sets found
  downloadedBytes BigInt?         // Current download progress in bytes
  totalBytes      BigInt?         // Total size of current download
  downloadPercent Int?            // 0-100
  lastActivityAt  DateTime?       // When activity was last updated

  account  TelegramAccount @relation(fields: [accountId], references: [id])
  packages Package[]

  @@index([accountId])
  @@index([status])
  @@index([startedAt])
  @@map("ingestion_runs")
}

model TopicProgress {
  id                     String  @id @default(cuid())
  accountChannelMapId    String
  topicId                BigInt
  topicName              String?
  lastProcessedMessageId BigInt?

  accountChannelMap AccountChannelMap @relation(fields: [accountChannelMapId], references: [id], onDelete: Cascade)

  @@unique([accountChannelMapId, topicId])
  @@index([accountChannelMapId])
  @@map("topic_progress")
}

model GlobalSetting {
  key       String   @id @db.VarChar(64)
  value     String   @db.Text
  updatedAt DateTime @updatedAt

  @@map("global_settings")
}

model InviteCode {
  id        String    @id @default(cuid())
  code      String    @unique @db.VarChar(32)
  maxUses   Int       @default(1)
  uses      Int       @default(0)
  expiresAt DateTime?
  createdBy String
  createdAt DateTime  @default(now())

  creator User @relation(fields: [createdBy], references: [id], onDelete: Cascade)

  @@index([code])
  @@map("invite_codes")
}

model ChannelFetchRequest {
  id         String      @id @default(cuid())
  accountId  String
  status     FetchStatus @default(PENDING)
  resultJson String?     @db.Text
  error      String?
  createdAt  DateTime    @default(now())
  updatedAt  DateTime    @updatedAt

  account TelegramAccount @relation(fields: [accountId], references: [id], onDelete: Cascade)

  @@index([accountId, status])
  @@map("channel_fetch_requests")
}

// ───────────────────────────────────────
// Telegram Bot models
// ───────────────────────────────────────

enum BotSendStatus {
  PENDING
  SENDING
  SENT
  FAILED
}

/// Links a NextAuth user to a Telegram user ID.
/// Created when a user sends /link <code> to the bot.
model TelegramLink {
  id             String   @id @default(cuid())
  userId         String   @unique
  telegramUserId BigInt   @unique
  telegramName   String?  @db.VarChar(128)
  createdAt      DateTime @default(now())

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

  @@map("telegram_links")
}

/// A queued request to send a package to a Telegram user via the bot.
model BotSendRequest {
  id               String        @id @default(cuid())
  packageId        String
  telegramLinkId   String
  requestedByUserId String
  status           BotSendStatus @default(PENDING)
  error            String?
  createdAt        DateTime      @default(now())
  completedAt      DateTime?

  package       Package       @relation(fields: [packageId], references: [id])
  telegramLink  TelegramLink  @relation(fields: [telegramLinkId], references: [id], onDelete: Cascade)

  @@index([status])
  @@index([telegramLinkId])
  @@index([createdAt])
  @@map("bot_send_requests")
}

/// Subscriptions for new-package notifications via the bot.
model BotSubscription {
  id             String   @id @default(cuid())
  telegramUserId BigInt
  pattern        String   @db.VarChar(256)
  createdAt      DateTime @default(now())

  @@unique([telegramUserId, pattern])
  @@index([telegramUserId])
  @@map("bot_subscriptions")
}