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

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

// 用户账户表
model UserAccount {
  id               BigInt    @id @default(autoincrement()) @map("user_id")
  accountSequence  BigInt    @unique @map("account_sequence")
  
  // 基本信息
  phoneNumber      String?   @unique @map("phone_number") @db.VarChar(20)
  nickname         String    @db.VarChar(100)
  avatarUrl        String?   @map("avatar_url") @db.VarChar(500)
  
  // 推荐信息
  inviterSequence  BigInt?   @map("inviter_sequence")
  referralCode     String    @unique @map("referral_code") @db.VarChar(10)
  
  // 区域信息
  provinceCode     String    @map("province_code") @db.VarChar(10)
  cityCode         String    @map("city_code") @db.VarChar(10)
  address          String?   @db.VarChar(500)
  
  // KYC信息
  kycStatus        String    @default("NOT_VERIFIED") @map("kyc_status") @db.VarChar(20)
  realName         String?   @map("real_name") @db.VarChar(100)
  idCardNumber     String?   @map("id_card_number") @db.VarChar(20)
  idCardFrontUrl   String?   @map("id_card_front_url") @db.VarChar(500)
  idCardBackUrl    String?   @map("id_card_back_url") @db.VarChar(500)
  kycVerifiedAt    DateTime? @map("kyc_verified_at")
  
  // 账户状态
  status           String    @default("ACTIVE") @db.VarChar(20)
  
  // 时间戳
  registeredAt     DateTime  @default(now()) @map("registered_at")
  lastLoginAt      DateTime? @map("last_login_at")
  updatedAt        DateTime  @updatedAt @map("updated_at")
  
  // 关联
  devices          UserDevice[]
  walletAddresses  WalletAddress[]
  events           UserEvent[]
  
  @@index([phoneNumber])
  @@index([accountSequence])
  @@index([referralCode])
  @@index([inviterSequence])
  @@index([provinceCode, cityCode])
  @@index([kycStatus])
  @@index([status])
  @@map("user_accounts")
}

// 用户设备表
model UserDevice {
  id           BigInt   @id @default(autoincrement())
  userId       BigInt   @map("user_id")
  deviceId     String   @map("device_id") @db.VarChar(100)
  deviceName   String?  @map("device_name") @db.VarChar(100)
  
  addedAt      DateTime @default(now()) @map("added_at")
  lastActiveAt DateTime @default(now()) @map("last_active_at")
  
  user         UserAccount @relation(fields: [userId], references: [id], onDelete: Cascade)
  
  @@unique([userId, deviceId])
  @@index([deviceId])
  @@index([userId])
  @@index([lastActiveAt])
  @@map("user_devices")
}

// 区块链钱包地址表
model WalletAddress {
  id                 BigInt   @id @default(autoincrement()) @map("address_id")
  userId             BigInt   @map("user_id")
  
  chainType          String   @map("chain_type") @db.VarChar(20)
  address            String   @db.VarChar(100)
  encryptedMnemonic  String?  @map("encrypted_mnemonic") @db.Text
  
  status             String   @default("ACTIVE") @db.VarChar(20)
  boundAt            DateTime @default(now()) @map("bound_at")
  
  user               UserAccount @relation(fields: [userId], references: [id], onDelete: Cascade)
  
  @@unique([userId, chainType])
  @@unique([chainType, address])
  @@index([userId])
  @@index([address])
  @@map("wallet_addresses")
}

// 设备Token表
model DeviceToken {
  id               BigInt    @id @default(autoincrement())
  userId           BigInt    @map("user_id")
  deviceId         String    @map("device_id") @db.VarChar(100)
  
  refreshTokenHash String    @unique @map("refresh_token_hash") @db.VarChar(64)
  
  expiresAt        DateTime  @map("expires_at")
  createdAt        DateTime  @default(now()) @map("created_at")
  revokedAt        DateTime? @map("revoked_at")
  
  @@index([userId, deviceId])
  @@index([expiresAt])
  @@map("device_tokens")
}

// 用户事件表
model UserEvent {
  id            BigInt   @id @default(autoincrement()) @map("event_id")
  eventType     String   @map("event_type") @db.VarChar(50)
  
  aggregateId   String   @map("aggregate_id") @db.VarChar(100)
  aggregateType String   @map("aggregate_type") @db.VarChar(50)
  
  eventData     Json     @map("event_data")
  
  userId        BigInt?  @map("user_id")
  occurredAt    DateTime @default(now()) @map("occurred_at") @db.Timestamptz(6)
  version       Int      @default(1)
  
  user          UserAccount? @relation(fields: [userId], references: [id], onDelete: SetNull)
  
  @@index([aggregateType, aggregateId])
  @@index([eventType])
  @@index([userId])
  @@index([occurredAt])
  @@map("user_events")
}

// 短信验证码表
model SmsCode {
  id          BigInt   @id @default(autoincrement())
  phoneNumber String   @map("phone_number") @db.VarChar(20)
  code        String   @db.VarChar(6)
  type        String   @db.VarChar(20) // REGISTER, LOGIN, BIND, RECOVER
  
  expiresAt   DateTime @map("expires_at")
  usedAt      DateTime? @map("used_at")
  createdAt   DateTime @default(now()) @map("created_at")
  
  @@index([phoneNumber, type])
  @@index([expiresAt])
  @@map("sms_codes")
}

// 死信队列表
model DeadLetterEvent {
  id            BigInt    @id @default(autoincrement())
  topic         String    @db.VarChar(100)
  eventId       String    @map("event_id") @db.VarChar(50)
  eventType     String    @map("event_type") @db.VarChar(50)
  aggregateId   String    @map("aggregate_id") @db.VarChar(100)
  aggregateType String    @map("aggregate_type") @db.VarChar(50)
  payload       Json
  errorMessage  String    @map("error_message") @db.Text
  errorStack    String?   @map("error_stack") @db.Text
  retryCount    Int       @default(0) @map("retry_count")
  createdAt     DateTime  @default(now()) @map("created_at")
  processedAt   DateTime? @map("processed_at")

  @@index([topic])
  @@index([eventType])
  @@index([createdAt])
  @@index([processedAt])
  @@map("dead_letter_events")
}