/**
 * Bangkok Field Test Protocol
 *
 * UIOS v1.1 Real World Validation
 * Goal: 1,000+ verified observations from 3 Zoomers
 */

const fs = require('fs');
const path = require('path');

class BangkokFieldTest {
  constructor() {
    this.testId = `bangkok_test_${Date.now()}`;
    this.startDate = new Date().toISOString();
    
    // Test configuration
    this.config = {
      zoomers: 3,
      objectsPerZoomer: 50,
      observationsPerObject: 3,
      totalTargetObservations: 1000,
      
      // Object types to test
      objectTypes: [
        'street_lamp',
        'traffic_sign',
        'manhole',
        'electrical_cabinet',
        'tree',
        'bench',
      ],
      
      // GPS requirements
      gpsAccuracy: {
        target: 5,    // meters
        minimum: 10,  // meters
      },
      
      // Quality requirements
      quality: {
        minResolution: [1920, 1080],
        minOverall: 0.7,
      },
      
      // Time coverage
      timeOfDay: ['day', 'evening', 'night'],
      
      // Test areas (Bangkok districts)
      areas: [
        { name: 'Sukhumvit', lat: 13.7373, lng: 100.5607, radius: 2000 },
        { name: 'Silom', lat: 13.7246, lng: 100.5292, radius: 1500 },
        { name: 'Siam', lat: 13.7466, lng: 100.5393, radius: 1000 },
      ],
    };
    
    // Results
    this.results = {
      observations: [],
      objects: new Map(),
      zoomers: new Map(),
      metrics: {
        totalObservations: 0,
        totalObjects: 0,
        avgObservationsPerObject: 0,
        gpsAccuracyDistribution: [],
        qualityDistribution: [],
        timeOfDayDistribution: { day: 0, evening: 0, night: 0 },
      },
    };
  }

  /**
   * ============================================================
   * TEST PROTOCOL
   * ============================================================
   */

  async runTest() {
    console.log('╔════════════════════════════════════════════════════════════╗');
    console.log('║     BANGKOK FIELD TEST PROTOCOL v1.1                      ║');
    console.log('╚════════════════════════════════════════════════════════════╝\n');
    
    console.log(`Test ID: ${this.testId}`);
    console.log(`Start: ${this.startDate}`);
    console.log(`Target: ${this.config.totalTargetObservations} observations\n`);
    
    // Phase 1: Setup
    await this.phase1_setup();
    
    // Phase 2: Data Collection
    await this.phase2_collection();
    
    // Phase 3: Validation
    await this.phase3_validation();
    
    // Phase 4: Analysis
    await this.phase4_analysis();
    
    // Phase 5: Report
    return this.generateReport();
  }

  async phase1_setup() {
    console.log('=== PHASE 1: SETUP ===\n');
    
    // Create Zoomer profiles
    for (let i = 1; i <= this.config.zoomers; i++) {
      const zoomer = {
        id: `zoomer_${i}`,
        name: `Bangkok Zoomer ${i}`,
        level: 'active',
        device: 'iPhone 14 Pro',
        assignedArea: this.config.areas[i - 1],
      };
      this.results.zoomers.set(zoomer.id, zoomer);
      console.log(`Created Zoomer: ${zoomer.name} → ${zoomer.assignedArea.name}`);
    }
    
    // Generate test objects (known ground truth)
    for (const area of this.config.areas) {
      for (let i = 0; i < this.config.objectsPerZoomer; i++) {
        const object = this.generateTestObject(area, i);
        this.results.objects.set(object.id, object);
      }
    }
    
    console.log(`\nCreated ${this.results.objects.size} test objects`);
    console.log(`Object types: ${this.config.objectTypes.join(', ')}\n`);
  }

  generateTestObject(area, index) {
    const type = this.config.objectTypes[index % this.config.objectTypes.length];
    
    // Random location within area
    const lat = area.lat + (Math.random() - 0.5) * (area.radius / 111000);
    const lng = area.lng + (Math.random() - 0.5) * (area.radius / (111000 * Math.cos(area.lat * Math.PI / 180)));
    
    return {
      id: `obj_${area.name.toLowerCase()}_${index}`,
      type,
      location: { lat, lng },
      area: area.name,
      groundTruth: true,
      attributes: this.generateAttributes(type),
    };
  }

  generateAttributes(type) {
    const attributes = {
      street_lamp: { height: 8 + Math.random() * 4, material: 'steel', light_status: Math.random() > 0.1 ? 'on' : 'off' },
      traffic_sign: { sign_type: ['stop', 'speed', 'direction', 'warning'][Math.floor(Math.random() * 4)], height: 2.5 + Math.random() * 1.5 },
      manhole: { diameter: 0.6 + Math.random() * 0.4, material: 'cast_iron' },
      electrical_cabinet: { type: 'distribution', height: 1.5 + Math.random() * 0.5 },
      tree: { species: ['oak', 'palm', 'maple'][Math.floor(Math.random() * 3)], height: 5 + Math.random() * 15 },
      bench: { material: ['wood', 'metal', 'concrete'][Math.floor(Math.random() * 3)], condition: 'good' },
    };
    
    return attributes[type] || {};
  }

  async phase2_collection() {
    console.log('=== PHASE 2: DATA COLLECTION ===\n');
    
    // Simulate observations from each Zoomer
    for (const zoomer of this.results.zoomers.values()) {
      console.log(`Collecting from ${zoomer.name}...`);
      
      const areaObjects = Array.from(this.results.objects.values())
        .filter(obj => obj.area === zoomer.assignedArea.name);
      
      for (const object of areaObjects) {
        // Each Zoomer captures each object multiple times
        for (let obs = 0; obs < this.config.observationsPerObject; obs++) {
          const observation = this.simulateObservation(zoomer, object, obs);
          this.results.observations.push(observation);
          
          // Update distributions
          this.results.metrics.timeOfDayDistribution[observation.context.timeOfDay]++;
          this.results.metrics.gpsAccuracyDistribution.push(observation.location.accuracy);
          this.results.metrics.qualityDistribution.push(observation.quality.overall);
        }
      }
      
      console.log(`  ${areaObjects.length * this.config.observationsPerObject} observations`);
    }
    
    this.results.metrics.totalObservations = this.results.observations.length;
    console.log(`\nTotal observations: ${this.results.metrics.totalObservations}\n`);
  }

  simulateObservation(zoomer, object, obsIndex) {
    // Simulate GPS accuracy (varies by device and conditions)
    const baseAccuracy = 3 + Math.random() * 7; // 3-10 meters
    const accuracy = obsIndex === 0 ? baseAccuracy : baseAccuracy * (0.8 + Math.random() * 0.4);
    
    // Simulate location (slightly offset from true location)
    const lat = object.location.lat + (Math.random() - 0.5) * (accuracy / 111000);
    const lng = object.location.lng + (Math.random() - 0.5) * (accuracy / (111000 * Math.cos(object.location.lat * Math.PI / 180)));
    
    // Simulate quality
    const quality = {
      blur: Math.random() * 0.3,
      exposure: 0.7 + Math.random() * 0.3,
      noise: Math.random() * 0.2,
      overall: 0,
    };
    quality.overall = (1 - quality.blur) * quality.exposure * (1 - quality.noise);
    
    return {
      id: `obs_${zoomer.id}_${object.id}_${obsIndex}`,
      objectId: object.id,
      zoomerId: zoomer.id,
      timestamp: new Date().toISOString(),
      location: {
        lat,
        lng,
        accuracy,
      },
      objectType: object.type,
      context: {
        timeOfDay: this.config.timeOfDay[Math.floor(Math.random() * this.config.timeOfDay.length)],
        weather: ['sunny', 'cloudy', 'rainy'][Math.floor(Math.random() * 3)],
      },
      quality,
      media: {
        type: 'image',
        resolution: [1920, 1080],
        format: 'jpg',
      },
    };
  }

  async phase3_validation() {
    console.log('=== PHASE 3: VALIDATION ===\n');
    
    // Check GPS accuracy
    const gpsPassRate = this.results.observations.filter(
      obs => obs.location.accuracy <= this.config.gpsAccuracy.target
    ).length / this.results.observations.length;
    
    console.log(`GPS accuracy ≤ ${this.config.gpsAccuracy.target}m: ${(gpsPassRate * 100).toFixed(1)}%`);
    console.log(`Target: 90%`);
    console.log(`Status: ${gpsPassRate >= 0.9 ? 'PASS' : 'FAIL'}\n`);
    
    // Check quality
    const qualityPassRate = this.results.observations.filter(
      obs => obs.quality.overall >= this.config.quality.minOverall
    ).length / this.results.observations.length;
    
    console.log(`Quality ≥ ${this.config.quality.minOverall}: ${(qualityPassRate * 100).toFixed(1)}%`);
    console.log(`Target: 95%`);
    console.log(`Status: ${qualityPassRate >= 0.95 ? 'PASS' : 'FAIL'}\n`);
    
    // Check time-of-day coverage
    const timeDistribution = this.results.metrics.timeOfDayDistribution;
    const total = Object.values(timeDistribution).reduce((a, b) => a + b, 0);
    
    console.log('Time-of-day coverage:');
    for (const [time, count] of Object.entries(timeDistribution)) {
      console.log(`  ${time}: ${count} (${((count / total) * 100).toFixed(1)}%)`);
    }
    console.log();
    
    // Check object coverage
    const objectTypeCounts = {};
    for (const obs of this.results.observations) {
      objectTypeCounts[obs.objectType] = (objectTypeCounts[obs.objectType] || 0) + 1;
    }
    
    console.log('Object type coverage:');
    for (const [type, count] of Object.entries(objectTypeCounts)) {
      console.log(`  ${type}: ${count} observations`);
    }
    console.log();
  }

  async phase4_analysis() {
    console.log('=== PHASE 4: ANALYSIS ===\n');
    
    // Calculate metrics
    const uniqueObjects = new Set(this.results.observations.map(obs => obs.objectId));
    this.results.metrics.totalObjects = uniqueObjects.size;
    this.results.metrics.avgObservationsPerObject = this.results.metrics.totalObservations / uniqueObjects.size;
    
    // GPS statistics
    const gpsAccuracies = this.results.metrics.gpsAccuracyDistribution;
    const avgGps = gpsAccuracies.reduce((a, b) => a + b, 0) / gpsAccuracies.length;
    const p50Gps = gpsAccuracies.sort((a, b) => a - b)[Math.floor(gpsAccuracies.length * 0.5)];
    const p95Gps = gpsAccuracies.sort((a, b) => a - b)[Math.floor(gpsAccuracies.length * 0.95)];
    
    // Quality statistics
    const qualities = this.results.metrics.qualityDistribution;
    const avgQuality = qualities.reduce((a, b) => a + b, 0) / qualities.length;
    
    console.log('=== METRICS ===');
    console.log(`Total observations: ${this.results.metrics.totalObservations}`);
    console.log(`Total objects: ${this.results.metrics.totalObjects}`);
    console.log(`Avg observations/object: ${this.results.metrics.avgObservationsPerObject.toFixed(1)}`);
    console.log();
    console.log('GPS Accuracy:');
    console.log(`  Average: ${avgGps.toFixed(1)}m`);
    console.log(`  P50: ${p50Gps.toFixed(1)}m`);
    console.log(`  P95: ${p95Gps.toFixed(1)}m`);
    console.log();
    console.log('Quality:');
    console.log(`  Average: ${(avgQuality * 100).toFixed(1)}%`);
    console.log();
  }

  generateReport() {
    const report = {
      testId: this.testId,
      version: '1.1.0',
      startDate: this.startDate,
      endDate: new Date().toISOString(),
      config: this.config,
      results: {
        totalObservations: this.results.metrics.totalObservations,
        totalObjects: this.results.metrics.totalObjects,
        avgObservationsPerObject: this.results.metrics.avgObservationsPerObject,
        timeOfDayDistribution: this.results.metrics.timeOfDayDistribution,
      },
      status: this.results.metrics.totalObservations >= this.config.totalTargetObservations ? 'PASS' : 'FAIL',
    };
    
    // Save report
    const reportPath = path.join(__dirname, `bangkok-field-test-${this.testId}.json`);
    fs.writeFileSync(reportPath, JSON.stringify(report, null, 2));
    
    console.log('=== TEST COMPLETE ===');
    console.log(`Status: ${report.status}`);
    console.log(`Report saved: ${reportPath}`);
    
    return report;
  }
}

// Run test
if (require.main === module) {
  const test = new BangkokFieldTest();
  test.runTest().catch(console.error);
}

module.exports = BangkokFieldTest;