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

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

// ==================== 管理员 ====================

model AdminUser {
  id          String   @id @default(uuid())
  username    String   @unique
  password    String   // bcrypt hashed
  name        String
  role        String   // SUPER_ADMIN, ADMIN, OPERATOR
  status      String   @default("ACTIVE") // ACTIVE, DISABLED
  lastLoginAt DateTime?
  createdAt   DateTime @default(now())
  updatedAt   DateTime @updatedAt

  auditLogs   AuditLog[]

  @@map("admin_users")
}

// ==================== 系统配置 ====================

model SystemConfig {
  id          String   @id @default(uuid())
  category    String   // MINING, TRADING, CONTRIBUTION, SYSTEM
  key         String
  value       String
  description String?
  isPublic    Boolean  @default(false)
  createdAt   DateTime @default(now())
  updatedAt   DateTime @updatedAt

  @@unique([category, key])
  @@map("system_configs")
}

// ==================== 系统账户（运营/省/市）====================

model SystemAccount {
  id                String   @id @default(uuid())
  accountType       String   @unique // OPERATION, PROVINCE, CITY
  name              String
  description       String?
  totalContribution Decimal  @db.Decimal(30, 8) @default(0)
  createdAt         DateTime @default(now())
  updatedAt         DateTime @updatedAt

  @@map("system_accounts")
}

// ==================== 初始化记录 ====================

model InitializationRecord {
  id            String   @id @default(uuid())
  type          String   // MINING_CONFIG, BLACK_HOLE, SYSTEM_ACCOUNTS
  status        String   // PENDING, COMPLETED, FAILED
  config        Json
  executedBy    String
  executedAt    DateTime?
  errorMessage  String?
  createdAt     DateTime @default(now())

  @@map("initialization_records")
}

// ==================== 审计日志 ====================

model AuditLog {
  id          String   @id @default(uuid())
  adminId     String
  action      String   // CREATE, UPDATE, DELETE, LOGIN, LOGOUT, INIT
  resource    String   // CONFIG, USER, SYSTEM_ACCOUNT, MINING
  resourceId  String?
  oldValue    Json?
  newValue    Json?
  ipAddress   String?
  userAgent   String?
  createdAt   DateTime @default(now())

  admin       AdminUser @relation(fields: [adminId], references: [id])

  @@index([adminId])
  @@index([action])
  @@index([resource])
  @@index([createdAt(sort: Desc)])
  @@map("audit_logs")
}

// ==================== 报表快照 ====================

model DailyReport {
  id                    String   @id @default(uuid())
  reportDate            DateTime @unique @db.Date

  // 用户统计
  totalUsers            Int      @default(0)
  newUsers              Int      @default(0)
  activeUsers           Int      @default(0)

  // 认种统计
  totalAdoptions        Int      @default(0)
  newAdoptions          Int      @default(0)
  totalTrees            Int      @default(0)

  // 算力统计
  totalContribution     Decimal  @db.Decimal(30, 8) @default(0)
  contributionGrowth    Decimal  @db.Decimal(30, 8) @default(0)

  // 挖矿统计
  totalDistributed      Decimal  @db.Decimal(30, 8) @default(0)
  totalBurned           Decimal  @db.Decimal(30, 8) @default(0)

  // 交易统计
  tradingVolume         Decimal  @db.Decimal(30, 8) @default(0)
  tradingAmount         Decimal  @db.Decimal(30, 8) @default(0)
  tradeCount            Int      @default(0)

  // 价格
  openPrice             Decimal  @db.Decimal(30, 18) @default(1)
  closePrice            Decimal  @db.Decimal(30, 18) @default(1)
  highPrice             Decimal  @db.Decimal(30, 18) @default(1)
  lowPrice              Decimal  @db.Decimal(30, 18) @default(1)

  createdAt             DateTime @default(now())

  @@map("daily_reports")
}