// Trading Bot v4 - Database Schema
// This is a NEW schema for v4 - keep your existing schema.prisma for v3

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

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

// Trade record
model Trade {
  id          String   @id @default(cuid())
  createdAt   DateTime @default(now())
  updatedAt   DateTime @updatedAt

  // Position identification
  positionId  String   @unique
  symbol      String   // e.g., 'SOL-PERP'
  direction   String   // 'long' or 'short'
  timeframe   String   // '5' for 5-minute
  strategy    String   @default("5min_scalp_v4")

  // Entry details
  entryPrice      Float
  entryTime       DateTime
  entrySlippage   Float?   // Actual slippage on entry
  positionSize    Float    // Total USD size
  leverage        Int      // 10x

  // Exit targets
  stopLoss        Float
  takeProfit1     Float
  takeProfit2     Float
  emergencyStop   Float

  // Exit details
  exitPrice       Float?
  exitTime        DateTime?
  exitReason      String?  // 'TP1', 'TP2', 'SL', 'emergency', 'manual'
  exitSlippage    Float?

  // P&L tracking
  realizedPnL     Float    @default(0)
  realizedPnLPercent Float @default(0)
  peakUnrealizedPnL Float  @default(0)

  // State tracking
  status          String   // 'open', 'partial', 'closed'
  tp1Hit          Boolean  @default(false)
  tp1Time         DateTime?
  slMovedToBreakeven Boolean @default(false)
  slMovedToProfit Boolean  @default(false)

  // Monitoring stats
  priceChecks     Int      @default(0)
  monitoringStartTime DateTime @default(now())
  monitoringEndTime DateTime?
  averagePriceLatency Float?

  // Signal metadata
  signalStrength  String?  // 'strong', 'moderate', 'weak'
  signalSource    String   @default("tradingview")

  // Relationships
  priceUpdates    PriceUpdate[]
  notifications   TradeNotification[]

  @@index([symbol, entryTime])
  @@index([status, entryTime])
  @@index([createdAt])
}

// Price update records (for debugging and analysis)
model PriceUpdate {
  id          String   @id @default(cuid())
  timestamp   DateTime @default(now())

  tradeId     String
  trade       Trade    @relation(fields: [tradeId], references: [id], onDelete: Cascade)

  price       Float
  source      String   // 'pyth', 'drift'
  confidence  Float?
  slot        BigInt?  // Solana slot number

  profitPercent Float?
  accountPnL    Float?

  @@index([tradeId, timestamp])
}

// Notification tracking
model TradeNotification {
  id          String   @id @default(cuid())
  timestamp   DateTime @default(now())

  tradeId     String
  trade       Trade    @relation(fields: [tradeId], references: [id], onDelete: Cascade)

  type        String   // 'entry', 'tp1', 'tp2', 'sl', 'emergency', 'error'
  channel     String   // 'telegram', 'discord', 'email'
  message     String
  success     Boolean
  error       String?

  @@index([tradeId, timestamp])
}

// Daily statistics
model DailyStats {
  id          String   @id @default(cuid())
  date        DateTime @unique @db.Date

  totalTrades     Int     @default(0)
  winningTrades   Int     @default(0)
  losingTrades    Int     @default(0)
  breakEvenTrades Int     @default(0)

  totalPnL        Float   @default(0)
  winRate         Float   @default(0)
  averageWin      Float   @default(0)
  averageLoss     Float   @default(0)
  largestWin      Float   @default(0)
  largestLoss     Float   @default(0)

  averageSlippage Float   @default(0)
  averageHoldTime Int     @default(0) // in seconds

  tp1HitCount     Int     @default(0)
  tp2HitCount     Int     @default(0)
  slHitCount      Int     @default(0)
  emergencyStopCount Int  @default(0)

  updatedAt       DateTime @updatedAt

  @@index([date])
}

// Risk management tracking
model RiskEvent {
  id          String   @id @default(cuid())
  timestamp   DateTime @default(now())

  type        String   // 'blocked', 'warning', 'emergency'
  reason      String
  symbol      String?
  
  dailyPnL    Float?
  tradesInLastHour Int?
  timeSinceLastTrade Int?

  blocked     Boolean  @default(false)

  @@index([timestamp])
  @@index([type])
}

// System configuration
model SystemConfig {
  id          String   @id @default(cuid())
  key         String   @unique
  value       String
  type        String   // 'string', 'number', 'boolean', 'json'
  description String?
  updatedAt   DateTime @updatedAt

  @@index([key])
}

// Price feed health monitoring
model PriceFeedHealth {
  id              String   @id @default(cuid())
  timestamp       DateTime @default(now())

  symbol          String
  source          String   // 'pyth', 'drift'
  
  isConnected     Boolean
  lastUpdate      DateTime?
  updateCount     Int      @default(0)
  errorCount      Int      @default(0)
  averageLatency  Float?
  lastError       String?

  @@index([symbol, source, timestamp])
}

// Webhook logs (for debugging n8n integration)
model WebhookLog {
  id          String   @id @default(cuid())
  timestamp   DateTime @default(now())

  source      String   // 'tradingview', 'n8n'
  endpoint    String
  method      String
  
  payload     Json
  response    Json?
  statusCode  Int?
  
  success     Boolean
  error       String?
  processingTime Int?  // milliseconds

  @@index([timestamp])
  @@index([source])
}