#!/usr/bin/env node

/**
 * Comprehensive test runner for Black Canyon Tickets React Rebuild
 * 
 * This script orchestrates the execution of all test suites and generates
 * comprehensive reports with screenshots for QA validation.
 */

import { exec } from 'child_process';
import { promisify } from 'util';
import fs from 'fs';
import path from 'path';

const execAsync = promisify(exec);

interface TestSuite {
  name: string;
  file: string;
  description: string;
  critical: boolean;
}

const TEST_SUITES: TestSuite[] = [
  {
    name: 'Smoke Tests',
    file: 'smoke.spec.ts',
    description: 'Basic functionality and application health checks',
    critical: true
  },
  {
    name: 'Authentication (Realistic)',
    file: 'auth-realistic.spec.ts',
    description: 'Login flows using current component selectors',
    critical: true
  },
  {
    name: 'Authentication (Enhanced)',
    file: 'auth.spec.ts',
    description: 'Full auth suite requiring data-testid attributes',
    critical: false
  },
  {
    name: 'Navigation',
    file: 'navigation.spec.ts', 
    description: 'Sidebar navigation, mobile menu, breadcrumbs, and routing',
    critical: false
  },
  {
    name: 'Theme Switching',
    file: 'theme.spec.ts',
    description: 'Light/dark theme transitions and persistence',
    critical: false
  },
  {
    name: 'Responsive Design',
    file: 'responsive.spec.ts',
    description: 'Mobile, tablet, desktop layouts and touch interactions',
    critical: false
  },
  {
    name: 'UI Components',
    file: 'components.spec.ts',
    description: 'Buttons, forms, cards, modals, and interactive elements',
    critical: false
  }
];

class TestRunner {
  private results: { [key: string]: any } = {};
  private startTime: Date = new Date();

  async run(options: { critical?: boolean; suite?: string; headed?: boolean } = {}) {
    console.log('🚀 Starting Black Canyon Tickets QA Test Suite');
    console.log('=' .repeat(60));
    
    await this.ensureDirectories();
    await this.clearPreviousResults();
    
    const suitesToRun = this.filterSuites(options);
    const playwrightOptions = this.buildPlaywrightOptions(options);
    
    console.log(`📋 Running ${suitesToRun.length} test suite(s):`);
    suitesToRun.forEach(suite => {
      console.log(`   ${suite.critical ? '🔴' : '🟡'} ${suite.name}: ${suite.description}`);
    });
    console.log('');
    
    for (const suite of suitesToRun) {
      await this.runTestSuite(suite, playwrightOptions);
    }
    
    await this.generateReport();
    
    const duration = new Date().getTime() - this.startTime.getTime();
    console.log(`\n✅ Test suite completed in ${Math.round(duration / 1000)}s`);
    console.log(`📊 View detailed report: ./playwright-report/index.html`);
    console.log(`📸 Screenshots saved to: ./screenshots/`);
  }

  private filterSuites(options: { critical?: boolean; suite?: string }): TestSuite[] {
    if (options.suite) {
      const suite = TEST_SUITES.find(s => s.name.toLowerCase().includes(options.suite!.toLowerCase()));
      return suite ? [suite] : [];
    }
    
    if (options.critical) {
      return TEST_SUITES.filter(s => s.critical);
    }
    
    return TEST_SUITES;
  }

  private buildPlaywrightOptions(options: { headed?: boolean }): string {
    const opts = [];
    
    if (options.headed) {
      opts.push('--headed');
    }
    
    opts.push('--reporter=html,line');
    
    return opts.join(' ');
  }

  private async ensureDirectories() {
    const dirs = ['screenshots', 'test-results', 'playwright-report'];
    
    for (const dir of dirs) {
      if (!fs.existsSync(dir)) {
        fs.mkdirSync(dir, { recursive: true });
      }
    }
  }

  private async clearPreviousResults() {
    // Clear previous screenshots
    const screenshotsDir = './screenshots';
    if (fs.existsSync(screenshotsDir)) {
      const files = fs.readdirSync(screenshotsDir);
      for (const file of files) {
        if (file.endsWith('.png')) {
          fs.unlinkSync(path.join(screenshotsDir, file));
        }
      }
    }
  }

  private async runTestSuite(suite: TestSuite, playwrightOptions: string) {
    console.log(`🧪 Running ${suite.name} tests...`);
    
    try {
      const command = `npx playwright test tests/${suite.file} ${playwrightOptions}`;
      const { stdout } = await execAsync(command);
      
      this.results[suite.name] = {
        success: true,
        output: stdout,
        error: null,
        suite
      };
      
      console.log(`   ✅ ${suite.name} - PASSED`);
      
    } catch (error: any) {
      this.results[suite.name] = {
        success: false,
        output: error.stdout || '',
        error: error.stderr || error.message,
        suite
      };
      
      console.log(`   ❌ ${suite.name} - FAILED`);
      if (suite.critical) {
        console.log(`   🚨 CRITICAL TEST FAILED - Consider stopping deployment`);
      }
    }
  }

  private async generateReport() {
    const report = {
      timestamp: new Date().toISOString(),
      duration: new Date().getTime() - this.startTime.getTime(),
      results: this.results,
      summary: this.generateSummary()
    };
    
    // Save JSON report
    fs.writeFileSync('./test-results/qa-report.json', JSON.stringify(report, null, 2));
    
    // Generate markdown report
    const markdown = this.generateMarkdownReport(report);
    fs.writeFileSync('./test-results/qa-report.md', markdown);
    
    console.log('\n📊 Test Summary:');
    console.log(`   Total Suites: ${Object.keys(this.results).length}`);
    console.log(`   Passed: ${report.summary.passed}`);
    console.log(`   Failed: ${report.summary.failed}`);
    console.log(`   Critical Failed: ${report.summary.criticalFailed}`);
  }

  private generateSummary() {
    const total = Object.keys(this.results).length;
    const passed = Object.values(this.results).filter(r => r.success).length;
    const failed = total - passed;
    const criticalFailed = Object.values(this.results).filter(r => !r.success && r.suite.critical).length;
    
    return { total, passed, failed, criticalFailed };
  }

  private generateMarkdownReport(report: any): string {
    const { summary } = report;
    
    let markdown = `# Black Canyon Tickets QA Report\n\n`;
    markdown += `**Generated:** ${new Date(report.timestamp).toLocaleString()}\n`;
    markdown += `**Duration:** ${Math.round(report.duration / 1000)}s\n\n`;
    
    markdown += `## Summary\n\n`;
    markdown += `- Total Test Suites: ${summary.total}\n`;
    markdown += `- ✅ Passed: ${summary.passed}\n`;
    markdown += `- ❌ Failed: ${summary.failed}\n`;
    markdown += `- 🚨 Critical Failed: ${summary.criticalFailed}\n\n`;
    
    if (summary.criticalFailed > 0) {
      markdown += `> ⚠️ **WARNING:** Critical tests have failed. Consider reviewing before deployment.\n\n`;
    }
    
    markdown += `## Test Results\n\n`;
    
    for (const [name, result] of Object.entries(report.results)) {
      const r = result as any;
      const status = r.success ? '✅ PASSED' : '❌ FAILED';
      const critical = r.suite.critical ? ' (CRITICAL)' : '';
      
      markdown += `### ${name}${critical}\n\n`;
      markdown += `**Status:** ${status}\n`;
      markdown += `**Description:** ${r.suite.description}\n\n`;
      
      if (!r.success && r.error) {
        markdown += `**Error:**\n\`\`\`\n${r.error}\n\`\`\`\n\n`;
      }
    }
    
    markdown += `## Screenshots\n\n`;
    markdown += `All test screenshots are saved in the \`./screenshots/\` directory.\n`;
    markdown += `Screenshots are organized by test suite and include timestamps.\n\n`;
    
    markdown += `## Next Steps\n\n`;
    if (summary.criticalFailed > 0) {
      markdown += `1. Review failed critical tests immediately\n`;
      markdown += `2. Fix critical issues before deployment\n`;
      markdown += `3. Re-run critical tests to verify fixes\n`;
    } else if (summary.failed > 0) {
      markdown += `1. Review failed non-critical tests\n`;
      markdown += `2. Consider fixing for next iteration\n`;
      markdown += `3. Document known issues if acceptable\n`;
    } else {
      markdown += `1. All tests passed! 🎉\n`;
      markdown += `2. Review screenshots for visual validation\n`;
      markdown += `3. Application is ready for deployment\n`;
    }
    
    return markdown;
  }
}

// CLI interface
if (require.main === module) {
  const args = process.argv.slice(2);
  const options: any = {};
  
  for (let i = 0; i < args.length; i++) {
    switch (args[i]) {
      case '--critical':
        options.critical = true;
        break;
      case '--suite':
        options.suite = args[++i];
        break;
      case '--headed':
        options.headed = true;
        break;
      case '--help':
        console.log(`
Black Canyon Tickets QA Test Runner

Usage: npm run test:qa [options]

Options:
  --critical    Run only critical test suites
  --suite NAME  Run specific test suite (auth, navigation, theme, responsive, components)
  --headed      Run tests with visible browser windows
  --help        Show this help message

Examples:
  npm run test:qa                    # Run all tests
  npm run test:qa -- --critical     # Run only critical tests
  npm run test:qa -- --suite auth   # Run only authentication tests
  npm run test:qa -- --headed       # Run with visible browser
        `);
        process.exit(0);
    }
  }
  
  const runner = new TestRunner();
  runner.run(options).catch(error => {
    console.error('❌ Test runner failed:', error);
    process.exit(1);
  });
}

export default TestRunner;