// Prisma Schema for Trading Bot v4
// Database: PostgreSQL

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

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

// Trade records for analysis and performance tracking
model Trade {
  id        String   @id @default(cuid())
  createdAt DateTime @default(now())
  updatedAt DateTime @updatedAt

  // Trade identification
  positionId       String   @unique // Transaction signature from entry order
  symbol           String   // e.g., "SOL-PERP"
  direction        String   // "long" or "short"
  
  // Entry details
  entryPrice       Float
  entryTime        DateTime
  entrySlippage    Float?
  positionSizeUSD  Float
  leverage         Float
  
  // Exit targets (planned)
  stopLossPrice       Float
  softStopPrice       Float? // Dual stop: soft stop-limit trigger
  hardStopPrice       Float? // Dual stop: hard stop-market trigger
  takeProfit1Price    Float
  takeProfit2Price    Float
  tp1SizePercent      Float
  tp2SizePercent      Float
  
  // Exit details (actual)
  exitPrice        Float?
  exitTime         DateTime?
  exitReason       String?  // "TP1", "TP2", "SL", "SOFT_SL", "HARD_SL", "manual", "emergency"
  
  // Performance metrics
  realizedPnL      Float?
  realizedPnLPercent Float?
  holdTimeSeconds  Int?
  maxDrawdown      Float?   // Peak to valley during trade
  maxGain          Float?   // Peak gain reached
  
  // Order signatures
  entryOrderTx     String
  tp1OrderTx       String?
  tp2OrderTx       String?
  slOrderTx        String?
  softStopOrderTx  String?  // Dual stop: soft stop tx
  hardStopOrderTx  String?  // Dual stop: hard stop tx
  exitOrderTx      String?
  
  // Configuration snapshot
  configSnapshot   Json     // Store settings used for this trade
  
  // Signal data
  signalSource     String?  // "tradingview", "manual", etc.
  signalStrength   String?  // "strong", "moderate", "weak"
  timeframe        String?  // "5", "15", "60"
  
  // Status
  status           String   @default("open") // "open", "closed", "failed"
  
  // Relations
  priceUpdates     PriceUpdate[]
  
  @@index([symbol])
  @@index([createdAt])
  @@index([status])
  @@index([exitReason])
}

// Real-time price updates during trade (for analysis)
model PriceUpdate {
  id        String   @id @default(cuid())
  createdAt DateTime @default(now())
  
  tradeId   String
  trade     Trade    @relation(fields: [tradeId], references: [id], onDelete: Cascade)
  
  price     Float
  pnl       Float
  pnlPercent Float
  
  @@index([tradeId])
  @@index([createdAt])
}

// System events and errors
model SystemEvent {
  id        String   @id @default(cuid())
  createdAt DateTime @default(now())
  
  eventType String   // "error", "warning", "info", "trade_executed", etc.
  message   String
  details   Json?
  
  @@index([eventType])
  @@index([createdAt])
}

// Performance analytics (daily aggregates)
model DailyStats {
  id        String   @id @default(cuid())
  date      DateTime @unique
  
  tradesCount      Int
  winningTrades    Int
  losingTrades     Int
  totalPnL         Float
  totalPnLPercent  Float
  winRate          Float
  avgWin           Float
  avgLoss          Float
  profitFactor     Float
  maxDrawdown      Float
  sharpeRatio      Float?
  
  createdAt DateTime @default(now())
  updatedAt DateTime @updatedAt
  
  @@index([date])
}