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

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

model UserAccount {
  userId          BigInt   @id @default(autoincrement()) @map("user_id")
  accountSequence BigInt   @unique @map("account_sequence")
  
  phoneNumber     String?  @unique @map("phone_number") @db.VarChar(20)
  nickname        String   @db.VarChar(100)
  avatarUrl       String?  @map("avatar_url") @db.VarChar(500)
  
  inviterSequence BigInt?  @map("inviter_sequence")
  referralCode    String   @unique @map("referral_code") @db.VarChar(10)
  
  provinceCode    String   @map("province_code") @db.VarChar(10)
  cityCode        String   @map("city_code") @db.VarChar(10)
  address         String?  @db.VarChar(500)
  
  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")
  
  status          String   @default("ACTIVE") @db.VarChar(20)
  
  registeredAt    DateTime @default(now()) @map("registered_at")
  lastLoginAt     DateTime? @map("last_login_at")
  updatedAt       DateTime @updatedAt @map("updated_at")
  
  devices         UserDevice[]
  walletAddresses WalletAddress[]
  
  @@index([phoneNumber], name: "idx_phone")
  @@index([accountSequence], name: "idx_sequence")
  @@index([referralCode], name: "idx_referral_code")
  @@index([inviterSequence], name: "idx_inviter")
  @@index([provinceCode, cityCode], name: "idx_province_city")
  @@index([kycStatus], name: "idx_kyc_status")
  @@index([status], name: "idx_status")
  @@map("user_accounts")
}

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: [userId], onDelete: Cascade)
  
  @@unique([userId, deviceId], name: "uk_user_device")
  @@index([deviceId], name: "idx_device")
  @@index([userId], name: "idx_user")
  @@index([lastActiveAt], name: "idx_last_active")
  @@map("user_devices")
}

model WalletAddress {
  addressId         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: [userId], onDelete: Cascade)
  
  @@unique([userId, chainType], name: "uk_user_chain")
  @@unique([chainType, address], name: "uk_chain_address")
  @@index([userId], name: "idx_wallet_user")
  @@index([address], name: "idx_address")
  @@map("wallet_addresses")
}

model AccountSequenceGenerator {
  id              Int      @id @default(1)
  currentSequence BigInt   @default(0) @map("current_sequence")
  updatedAt       DateTime @updatedAt @map("updated_at")
  
  @@map("account_sequence_generator")
}

model UserEvent {
  eventId       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.Timestamp(6)
  version       Int      @default(1)
  
  @@index([aggregateType, aggregateId], name: "idx_aggregate")
  @@index([eventType], name: "idx_event_type")
  @@index([userId], name: "idx_event_user")
  @@index([occurredAt], name: "idx_occurred")
  @@map("user_events")
}

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], name: "idx_user_device_token")
  @@index([expiresAt], name: "idx_expires")
  @@map("device_tokens")
}

model DeadLetterEvent {
  id            BigInt   @id @default(autoincrement())
  topic         String   @db.VarChar(100)
  eventId       String   @map("event_id") @db.VarChar(100)
  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], name: "idx_topic")
  @@index([eventType], name: "idx_dead_letter_event_type")
  @@index([createdAt], name: "idx_dead_letter_created")
  @@index([processedAt], name: "idx_processed")
  @@map("dead_letter_events")
}

model SmsCode {
  id          BigInt   @id @default(autoincrement())
  phoneNumber String   @map("phone_number") @db.VarChar(20)
  code        String   @db.VarChar(10)
  purpose     String   @db.VarChar(50)

  expiresAt   DateTime @map("expires_at")
  createdAt   DateTime @default(now()) @map("created_at")
  usedAt      DateTime? @map("used_at")

  @@index([phoneNumber, purpose], name: "idx_phone_purpose")
  @@index([expiresAt], name: "idx_sms_expires")
  @@map("sms_codes")
}