import { NextResponse } from 'next/server'
import { driftTradingService } from '../../../../lib/drift-trading'

export async function GET(request: Request) {
  try {
    const { searchParams } = new URL(request.url)
    const limit = parseInt(searchParams.get('limit') || '50')
    
    console.log('📊 API: Getting Drift trading history...')
    
    const tradingHistory = await driftTradingService.getTradingHistory(limit)
    
    // If no trades found, provide helpful message
    if (tradingHistory.length === 0) {
      console.log('⚠️ No trading history found')
      return NextResponse.json({
        success: true,
        trades: [],
        count: 0,
        message: 'No trading history found. If you recently closed positions, they may take some time to appear in history.'
      })
    }
    
    console.log(`✅ Successfully fetched ${tradingHistory.length} trades`)
    
    return NextResponse.json({
      success: true,
      trades: tradingHistory,
      count: tradingHistory.length,
      message: `Found ${tradingHistory.length} trade(s)`
    })
    
  } catch (error: any) {
    console.error('❌ API: Error getting trading history:', error)
    return NextResponse.json(
      { 
        success: false, 
        error: error.message,
        trades: [],
        count: 0,
        message: 'Failed to fetch trading history. Please try again.'
      }, 
      { status: 500 }
    )
  }
}