import { NextResponse } from 'next/server'

// PAPER_TRADING_ONLY: This API is completely isolated from live trading
// ISOLATED_MODE: No real trading connections or automation triggers allowed
// SAFETY: This API cannot execute real trades or trigger automation systems

export async function POST(request) {
  try {
    console.log('🛡️ SAFE PAPER TRADING API: Starting REAL analysis (paper trading only)...')
    
    const body = await request.json()
    const { symbol = 'SOLUSD', timeframe = '60', mode, paperTrading, isolatedMode } = body
    
    // SAFETY CHECK: Ensure this is paper trading only
    if (mode !== 'PAPER_ONLY' || !paperTrading || !isolatedMode) {
      return NextResponse.json({
        success: false,
        error: 'SAFETY VIOLATION: This API only supports isolated paper trading',
        safetyBlock: true
      }, { status: 403 })
    }
    
    console.log(`📊 Getting REAL market analysis for ${symbol} ${timeframe}m (paper trading only)...`)
    
    // STEP 1: Capture real market screenshots
    const { EnhancedScreenshotService } = await import('../../../lib/enhanced-screenshot')
    const screenshotService = new EnhancedScreenshotService()
    
    console.log('🔄 Capturing real market screenshots...')
    const screenshots = await screenshotService.captureWithLogin({
      symbol,
      timeframe,
      layouts: ['ai', 'diy'],
      sessionId: `paper_${Date.now()}_${Math.random().toString(36).substr(2, 9)}`
    })
    
    if (!screenshots || screenshots.length === 0) {
      throw new Error('Failed to capture market screenshots')
    }
    
    console.log(`✅ Captured ${screenshots.length} real market screenshots`)
    
    // STEP 2: Analyze screenshots with AI
    const { aiAnalysisService } = await import('../../../lib/ai-analysis')
    
    console.log('🤖 Analyzing screenshots with AI...')
    let analysis
    if (screenshots.length === 1) {
      analysis = await aiAnalysisService.analyzeScreenshot(screenshots[0])
    } else {
      analysis = await aiAnalysisService.analyzeMultipleScreenshots(screenshots)
    }
    
    if (!analysis) {
      throw new Error('Failed to get real market analysis')
    }
    
    console.log('✅ Real market analysis complete - REAL DATA, NO TRADING RISK')
    
    return NextResponse.json({
      success: true,
      analysis: {
        ...analysis,
        // Override safety flags for paper trading
        paperTrading: true,
        isolated: true,
        noRealTrading: true,
        realData: true,
        source: 'REAL_MARKET_ANALYSIS',
        // Remove any mock data flags
        mockData: false,
        reasoning: `PAPER TRADING - REAL MARKET ANALYSIS:\n\n${analysis.reasoning || 'Real market analysis completed'}\n\n⚠️ SAFETY: This is paper trading only - no real trades will be executed.`
      },
      safety: {
        paperTrading: true,
        isolated: true,
        noRealTrading: true,
        realData: true,
        source: 'REAL_MARKET_ANALYSIS'
      },
      screenshots: screenshots.length,
      timestamp: new Date().toISOString()
    })
    
  } catch (error) {
    console.error('❌ Safe paper trading API error:', error)
    
    // NO FALLBACK TO MOCK DATA - Only real data allowed
    return NextResponse.json({
      success: false,
      error: `Real analysis failed: ${error.message}`,
      details: 'Paper trading requires real market data. Please try again.',
      realDataOnly: true
    }, { status: 500 })
  }
}