/**
 * Urban Ontology Validation
 *
 * Testar om relationerna ger nytta med verkliga observationer.
 *
 * Exempel:
 * - Om ett elskåp markeras som ur funktion – vilka objekt påverkas?
 * - Om en gatlykta försvinner – vilka vägavsnitt tappar belysning?
 * - Om ett träd växer – vilka skyltar riskerar att skymmas?
 */

const UrbanOntology = require('../urban-ontology/ontology');

class OntologyValidation {
  constructor() {
    this.ontology = new UrbanOntology();
    this.results = [];
  }

  /**
   * ============================================================
   * TEST 1: Power Failure Impact
   * ============================================================
   */

  testPowerFailure() {
    console.log('\n=== TEST 1: Power Failure Impact ===\n');

    // Skapa scenario: Elskåp EC-001 går sönder
    const cabinetId = 'cabinet_sukhumvit_001';
    
    // Lägg till relationer
    this.ontology.addRelation(cabinetId, 'lamp_sukhumvit_001', 'powers', {
      voltage: 230,
      capacity: 1000,
    });
    
    this.ontology.addRelation(cabinetId, 'lamp_sukhumvit_002', 'powers', {
      voltage: 230,
      capacity: 1000,
    });
    
    this.ontology.addRelation(cabinetId, 'lamp_sukhumvit_003', 'powers', {
      voltage: 230,
      capacity: 1000,
    });
    
    this.ontology.addRelation('lamp_sukhumvit_001', 'road_sukhumvit_001', 'illuminates', {
      intensity: 50,
      coverage: 10,
    });
    
    this.ontology.addRelation('lamp_sukhumvit_002', 'road_sukhumvit_002', 'illuminates', {
      intensity: 50,
      coverage: 10,
    });

    // Kör impact analysis
    const impact = this.ontology.impactAnalysis(cabinetId, 'power');

    console.log(`Source: ${impact.source}`);
    console.log(`Failure type: ${impact.failureType}`);
    console.log(`Impacted objects: ${impact.impactCount}`);
    console.log(`Objects: ${impact.impactedObjects.join(', ')}`);

    // Validering
    const expectedImpacted = 4; // 3 lamps + 2 roads (via illuminates)
    const passed = impact.impactCount >= 3; // Minst 3 lampor

    this.results.push({
      test: 'Power Failure Impact',
      passed,
      impactCount: impact.impactCount,
      expectedMin: 3,
    });

    console.log(`\nResult: ${passed ? 'PASS' : 'FAIL'}`);
    console.log(`Expected: At least 3 impacted objects`);
    console.log(`Actual: ${impact.impactCount} impacted objects`);

    return impact;
  }

  /**
   * ============================================================
   * TEST 2: Street Lamp Outage
   * ============================================================
   */

  testStreetLampOutage() {
    console.log('\n=== TEST 2: Street Lamp Outage ===\n');

    // Scenario: Gatlykta SL-042 släcks
    const lampId = 'lamp_sukhumvit_042';
    
    // Lägg till relationer
    this.ontology.addRelation(lampId, 'road_sukhumvit_042', 'illuminates', {
      intensity: 50,
      coverage: 15,
    });
    
    this.ontology.addRelation(lampId, 'crosswalk_sukhumvit_042', 'illuminates', {
      intensity: 30,
      coverage: 5,
    });
    
    this.ontology.addRelation('traffic_light_sukhumvit_042', 'crosswalk_sukhumvit_042', 'regulates', {
      regulationType: 'pedestrian_crossing',
    });

    // Kör impact analysis
    const impact = this.ontology.impactAnalysis(lampId, 'lighting');

    console.log(`Source: ${impact.source}`);
    console.log(`Failure type: ${impact.failureType}`);
    console.log(`Impacted objects: ${impact.impactCount}`);
    console.log(`Objects: ${impact.impactedObjects.join(', ')}`);

    // Validering
    const hasRoad = impact.impactedObjects.some(id => id.includes('road'));
    const hasCrosswalk = impact.impactedObjects.some(id => id.includes('crosswalk'));
    const passed = hasRoad && hasCrosswalk;

    this.results.push({
      test: 'Street Lamp Outage',
      passed,
      hasRoad,
      hasCrosswalk,
    });

    console.log(`\nResult: ${passed ? 'PASS' : 'FAIL'}`);
    console.log(`Road impacted: ${hasRoad}`);
    console.log(`Crosswalk impacted: ${hasCrosswalk}`);

    return impact;
  }

  /**
   * ============================================================
   * TEST 3: Tree Growth Risk
   * ============================================================
   */

  testTreeGrowthRisk() {
    console.log('\n=== TEST 3: Tree Growth Risk ===\n');

    // Scenario: Träd växer och riskerar skymma skylt
    const treeId = 'tree_sukhumvit_017';
    
    // Lägg till relationer
    this.ontology.addRelation(treeId, 'sign_sukhumvit_017', 'may_obscure', {
      currentObscuration: 0.3,
      growthRate: 0.5, // meters/year
      projectedObscuration: 0.85,
    });
    
    this.ontology.addRelation(treeId, 'sign_sukhumvit_018', 'may_obscure', {
      currentObscuration: 0.1,
      growthRate: 0.3,
      projectedObscuration: 0.45,
    });

    // Kör growth risk analysis
    const risk = this.ontology.growthRiskAnalysis(treeId, 5);

    console.log(`Vegetation: ${risk.vegetationId}`);
    console.log(`Time horizon: ${risk.timeHorizonYears} years`);
    console.log(`High risk count: ${risk.highRiskCount}`);
    
    console.log('\nRisks:');
    risk.risks.forEach(r => {
      console.log(`  ${r.targetId}: ${r.riskLevel}`);
      console.log(`    Current: ${r.currentObscuration}`);
      console.log(`    Projected: ${r.projectedObscuration}`);
      console.log(`    Action: ${r.recommendedAction}`);
    });

    // Validering
    const hasHighRisk = risk.highRiskCount > 0;
    const hasAction = risk.risks.some(r => r.recommendedAction.includes('Prune'));
    const passed = hasHighRisk && hasAction;

    this.results.push({
      test: 'Tree Growth Risk',
      passed,
      highRiskCount: risk.highRiskCount,
      hasAction,
    });

    console.log(`\nResult: ${passed ? 'PASS' : 'FAIL'}`);
    console.log(`High risk found: ${hasHighRisk}`);
    console.log(`Action recommended: ${hasAction}`);

    return risk;
  }

  /**
   * ============================================================
   * TEST 4: Path Analysis
   * ============================================================
   */

  testPathAnalysis() {
    console.log('\n=== TEST 4: Path Analysis ===\n');

    // Scenario: Hitta väg från elskåp till väg
    const cabinetId = 'cabinet_sukhumvit_001';
    const roadId = 'road_sukhumvit_001';

    // Kör path analysis
    const path = this.ontology.findPath(cabinetId, roadId, 5);

    console.log(`From: ${cabinetId}`);
    console.log(`To: ${roadId}`);
    console.log(`Found: ${path.found}`);
    console.log(`Length: ${path.length}`);

    if (path.found) {
      console.log('\nPath:');
      path.path.forEach((step, i) => {
        console.log(`  Step ${i + 1}: ${step.objectId} via ${step.relation?.type || 'direct'}`);
      });
    }

    // Validering
    const passed = path.found && path.length > 0;

    this.results.push({
      test: 'Path Analysis',
      passed,
      pathLength: path.length,
      found: path.found,
    });

    console.log(`\nResult: ${passed ? 'PASS' : 'FAIL'}`);
    console.log(`Path found: ${path.found}`);
    console.log(`Path length: ${path.length}`);

    return path;
  }

  /**
   * ============================================================
   * TEST 5: Network Analysis
   * ============================================================
   */

  testNetworkAnalysis() {
    console.log('\n=== TEST 5: Network Analysis ===\n');

    // Scenario: Hitta alla objekt i nätverket runt elskåp
    const cabinetId = 'cabinet_sukhumvit_001';

    // Kör network analysis
    const network = this.ontology.networkAnalysis(cabinetId, { maxDepth: 3 });

    console.log(`Seed: ${network.seedObjectId}`);
    console.log(`Network size: ${network.networkSize}`);
    console.log(`Objects: ${network.objects.join(', ')}`);

    // Validering
    const hasLamps = network.objects.some(id => id.includes('lamp'));
    const hasRoads = network.objects.some(id => id.includes('road'));
    const passed = hasLamps && hasRoads;

    this.results.push({
      test: 'Network Analysis',
      passed,
      networkSize: network.networkSize,
      hasLamps,
      hasRoads,
    });

    console.log(`\nResult: ${passed ? 'PASS' : 'FAIL'}`);
    console.log(`Network size: ${network.networkSize}`);
    console.log(`Has lamps: ${hasLamps}`);
    console.log(`Has roads: ${hasRoads}`);

    return network;
  }

  /**
   * ============================================================
   * SUMMARY
   * ============================================================
   */

  generateReport() {
    console.log('\n╔════════════════════════════════════════════════════════════╗');
    console.log('║     ONTOLOGY VALIDATION REPORT                            ║');
    console.log('╚════════════════════════════════════════════════════════════╝\n');

    const passed = this.results.filter(r => r.passed).length;
    const total = this.results.length;

    console.log(`Tests run: ${total}`);
    console.log(`Passed: ${passed}`);
    console.log(`Failed: ${total - passed}`);
    console.log(`Success rate: ${(passed / total * 100).toFixed(1)}%\n`);

    console.log('Detailed Results:');
    this.results.forEach((result, i) => {
      console.log(`\n${i + 1}. ${result.test}`);
      console.log(`   Status: ${result.passed ? 'PASS' : 'FAIL'}`);
      
      if (result.impactCount !== undefined) {
        console.log(`   Impact count: ${result.impactCount}`);
      }
      if (result.highRiskCount !== undefined) {
        console.log(`   High risk count: ${result.highRiskCount}`);
      }
      if (result.pathLength !== undefined) {
        console.log(`   Path length: ${result.pathLength}`);
      }
      if (result.networkSize !== undefined) {
        console.log(`   Network size: ${result.networkSize}`);
      }
    });

    console.log('\n' + '='.repeat(60));
    console.log(`OVERALL: ${passed === total ? 'ALL TESTS PASSED' : 'SOME TESTS FAILED'}`);
    console.log('='.repeat(60));

    return {
      total,
      passed,
      failed: total - passed,
      successRate: passed / total,
      results: this.results,
    };
  }
}

// Run validation
if (require.main === module) {
  const validation = new OntologyValidation();

  console.log('╔════════════════════════════════════════════════════════════╗');
  console.log('║     URBAN ONTOLOGY VALIDATION                             ║');
  console.log('╚════════════════════════════════════════════════════════════╝');

  validation.testPowerFailure();
  validation.testStreetLampOutage();
  validation.testTreeGrowthRisk();
  validation.testPathAnalysis();
  validation.testNetworkAnalysis();

  const report = validation.generateReport();

  console.log('\n✅ Ontology Validation complete!');
}

module.exports = OntologyValidation;