#!/usr/bin/env node

/**
 * Robust 24/7 Trading Automation
 * Handles API timeouts and network issues gracefully
 */

class RobustAutomation {
  constructor() {
    this.config = {
      symbol: 'SOLUSD',
      timeframe: '60',
      intervalMinutes: 60,
      autoExecuteThreshold: 60,
      apiHost: '192.168.0.1:9001',
      requestTimeout: 30000 // 30 seconds
    };
    this.cycleCount = 0;
    
    this.stats = {
      startTime: new Date(),
      totalCycles: 0,
      totalTrades: 0,
      successfulCycles: 0,
      failedCycles: 0,
      lastSignal: null,
      lastTrade: null
    };
  }

  async log(message) {
    const timestamp = new Date().toISOString();
    console.log(`[${timestamp}] ${message}`);
  }

  async makeRequest(url, options = {}) {
    try {
      // Add timeout to all requests
      const controller = new AbortController();
      const timeoutId = setTimeout(() => controller.abort(), this.config.requestTimeout);
      
      const response = await fetch(url, {
        ...options,
        signal: controller.signal
      });
      
      clearTimeout(timeoutId);
      
      if (!response.ok) {
        throw new Error(`HTTP ${response.status}: ${response.statusText}`);
      }
      
      return await response.json();
    } catch (error) {
      if (error.name === 'AbortError') {
        await this.log(`⏱️ Request timeout: ${url}`);
      } else {
        await this.log(`❌ Request failed: ${error.message}`);
      }
      return null;
    }
  }

  async runAnalysisCycle() {
    this.stats.totalCycles++;
    await this.log(`🔄 Analysis cycle #${this.stats.totalCycles}`);

    try {
      // Get current technical analysis with timeout
      await this.log(`📡 Fetching analysis from API...`);
      const data = await this.makeRequest(`http://${this.config.apiHost}/api/ai-analysis/latest?symbol=${this.config.symbol}&timeframe=${this.config.timeframe}`);
      
      if (data && data.success && data.data && data.data.analysis) {
        const analysis = data.data.analysis;
        this.stats.lastSignal = {
          time: new Date(),
          recommendation: analysis.recommendation,
          confidence: analysis.confidence
        };
        
        await this.log(`📊 Signal: ${analysis.recommendation} (${analysis.confidence}% confidence)`);
        
        // Execute trade if confidence is high enough
        if (analysis.confidence >= this.config.autoExecuteThreshold && 
            (analysis.recommendation === 'BUY' || analysis.recommendation === 'SELL')) {
          
          await this.log(`🚀 Executing ${analysis.recommendation} trade with ${analysis.confidence}% confidence`);
          
          const trade = await this.executeTrade(analysis);
          if (trade && trade.success) {
            this.stats.totalTrades++;
            this.stats.lastTrade = {
              time: new Date(),
              type: analysis.recommendation,
              confidence: analysis.confidence,
              price: trade.trade?.entry || analysis.entry?.price || 'unknown'
            };
            await this.log(`✅ Trade executed successfully: ${analysis.recommendation} at ${trade.trade?.entry || analysis.entry?.price || 'unknown'}`);
          } else {
            await this.log(`❌ Trade execution failed`);
          }
        } else {
          await this.log(`⏸️ Confidence ${analysis.confidence}% below threshold ${this.config.autoExecuteThreshold}% - holding`);
        }
        
        this.stats.successfulCycles++;
      } else {
        await this.log(`❌ No valid analysis data received`);
        this.stats.failedCycles++;
      }
    } catch (error) {
      await this.log(`❌ Cycle error: ${error.message}`);
      this.stats.failedCycles++;
    }

    // Print stats every cycle
    await this.printStats();
    
    // Schedule next cycle
    const nextCycle = new Date(Date.now() + this.config.intervalMinutes * 60 * 1000);
    await this.log(`⏰ Next cycle: ${nextCycle.toLocaleTimeString()}`);
    await this.log(`🔄 Scheduling next cycle in ${this.config.intervalMinutes} minutes...`);
    
    setTimeout(() => this.runAnalysisCycle(), this.config.intervalMinutes * 60 * 1000);
  }

  async executeTrade(analysis) {
    try {
      await this.log(`💱 Preparing trade data...`);
      const tradeData = {
        symbol: this.config.symbol,
        side: analysis.recommendation,
        amount: 100, // $100 paper trade
        entry: analysis.entry?.price || 150, // Use analysis entry price or fallback
        confidence: analysis.confidence,
        reasoning: analysis.reasoning || 'Automated trade from analysis',
        source: 'robust_automation_24x7'
      };

      await this.log(`📤 Sending trade request...`);
      const result = await this.makeRequest(`http://${this.config.apiHost}/api/safe-paper-trading/create-trade`, {
        method: 'POST',
        headers: {
          'Content-Type': 'application/json'
        },
        body: JSON.stringify(tradeData)
      });
      
      return result;
    } catch (error) {
      await this.log(`❌ Trade execution error: ${error.message}`);
      return null;
    }
  }

  async printStats() {
    const uptime = Math.floor((Date.now() - this.stats.startTime) / 1000 / 60); // minutes
    const successRate = this.stats.totalCycles > 0 ? Math.round((this.stats.successfulCycles / this.stats.totalCycles) * 100) : 0;
    
    await this.log(`📈 Stats: ${this.stats.totalCycles} cycles (${successRate}% success), ${this.stats.totalTrades} trades, ${uptime}m uptime`);
    
    if (this.stats.lastSignal) {
      const signalAge = Math.floor((Date.now() - this.stats.lastSignal.time) / 1000 / 60);
      await this.log(`🎯 Last signal: ${this.stats.lastSignal.recommendation} (${this.stats.lastSignal.confidence}%) ${signalAge}m ago`);
    }
    
    if (this.stats.lastTrade) {
      const tradeAge = Math.floor((Date.now() - this.stats.lastTrade.time) / 1000 / 60);
      await this.log(`💰 Last trade: ${this.stats.lastTrade.type} at ${this.stats.lastTrade.price} ${tradeAge}m ago`);
    }
  }

  async start() {
    await this.log('🚀 Robust 24/7 Trading Automation Started');
    await this.log(`📊 Config: ${this.config.symbol} every ${this.config.intervalMinutes}m, threshold: ${this.config.autoExecuteThreshold}%`);
    await this.log(`🌐 API Host: ${this.config.apiHost}, Timeout: ${this.config.requestTimeout}ms`);
    
    // Start first cycle
    await this.runAnalysisCycle();
  }
}

// Start the automation
const automation = new RobustAutomation();
automation.start().catch(error => {
  console.error('💥 Automation failed to start:', error);
  process.exit(1);
});