ci.yml

name: CI - Linting & Testing

on:
  pull_request:
    branches: [main, develop]
  push:
    branches: [main, develop]

jobs:
  lint:
    name: ESLint & Code Quality Check
    runs-on: ubuntu-latest
    
    strategy:
      matrix:
        node-version: [18.x, 20.x]
    
    steps:
      - name: Checkout code
        uses: actions/checkout@v4
      
      - name: Setup Node.js ${{ matrix.node-version }}
        uses: actions/setup-node@v4
        with:
          node-version: ${{ matrix.node-version }}
          cache: 'npm'
      
      - name: Install dependencies
        run: npm ci
      
      - name: Run ESLint
        run: npm run lint
        continue-on-error: false
      
      - name: Comment on PR (Linting Pass)
        if: success()
        uses: actions/github-script@v7
        with:
          script: |
            github.rest.issues.createComment({
              issue_number: context.issue.number,
              owner: context.repo.owner,
              repo: context.repo.repo,
              body: '✅ **Linting Check Passed** - Code quality standards met!'
            })
        continue-on-error: true

  test:
    name: Unit Tests
    runs-on: ubuntu-latest
    needs: lint
    
    strategy:
      matrix:
        node-version: [18.x, 20.x]
    
    steps:
      - name: Checkout code
        uses: actions/checkout@v4
      
      - name: Setup Node.js ${{ matrix.node-version }}
        uses: actions/setup-node@v4
        with:
          node-version: ${{ matrix.node-version }}
          cache: 'npm'
      
      - name: Install dependencies
        run: npm ci
      
      - name: Run tests
        run: npm test -- --run --coverage
      
      - name: Upload coverage to Codecov
        uses: codecov/codecov-action@v3
        with:
          file: ./coverage/coverage-final.json
          flags: unittests
          name: codecov-umbrella
          fail_ci_if_error: false
      
      - name: Archive test results
        if: always()
        uses: actions/upload-artifact@v3
        with:
          name: test-results-${{ matrix.node-version }}
          path: |
            coverage/
            test-results.xml
          retention-days: 30
      
      - name: Comment on PR (Tests Pass)
        if: success()
        uses: actions/github-script@v7
        with:
          script: |
            github.rest.issues.createComment({
              issue_number: context.issue.number,
              owner: context.repo.owner,
              repo: context.repo.repo,
              body: '✅ **All Tests Passed** - Test suite completed successfully!'
            })
        continue-on-error: true

  build:
    name: Build Verification
    runs-on: ubuntu-latest
    needs: lint
    
    steps:
      - name: Checkout code
        uses: actions/checkout@v4
      
      - name: Setup Node.js
        uses: actions/setup-node@v4
        with:
          node-version: 20.x
          cache: 'npm'
      
      - name: Install dependencies
        run: npm ci
      
      - name: Build project
        run: npm run build
      
      - name: Archive build artifacts
        uses: actions/upload-artifact@v3
        with:
          name: dist
          path: dist/
          retention-days: 7
      
      - name: Check build output
        run: |
          if [ ! -d "dist" ]; then
            echo "❌ Build failed: dist directory not found"
            exit 1
          fi
          echo "✅ Build successful - dist directory created"
      
      - name: Comment on PR (Build Pass)
        if: success()
        uses: actions/github-script@v7
        with:
          script: |
            github.rest.issues.createComment({
              issue_number: context.issue.number,
              owner: context.repo.owner,
              repo: context.repo.repo,
              body: '✅ **Build Successful** - Project builds without errors!'
            })
        continue-on-error: true

  analyze-size:
    name: Bundle Size Analysis
    runs-on: ubuntu-latest
    needs: build
    
    steps:
      - name: Checkout code
        uses: actions/checkout@v4
      
      - name: Setup Node.js
        uses: actions/setup-node@v4
        with:
          node-version: 20.x
          cache: 'npm'
      
      - name: Install dependencies
        run: npm ci
      
      - name: Build project
        run: npm run build
      
      - name: Analyze bundle size
        run: |
          echo "📦 Bundle Analysis Report"
          echo "=========================="
          du -sh dist/ || echo "dist not found"
          find dist -type f -name "*.js" -exec ls -lh {} \; | awk '{print $9, $5}'
          echo "=========================="

  quality-gate:
    name: Quality Gate
    runs-on: ubuntu-latest
    needs: [lint, test, build]
    if: always()
    
    steps:
      - name: Check all checks passed
        run: |
          if [ "${{ needs.lint.result }}" != "success" ]; then
            echo "❌ Linting check failed"
            exit 1
          fi
          if [ "${{ needs.test.result }}" != "success" ]; then
            echo "❌ Tests failed"
            exit 1
          fi
          if [ "${{ needs.build.result }}" != "success" ]; then
            echo "❌ Build failed"
            exit 1
          fi
          echo "✅ All quality gates passed"
      
      - name: Comment on PR (All Checks Passed)
        if: success()
        uses: actions/github-script@v7
        with:
          script: |
            github.rest.issues.createComment({
              issue_number: context.issue.number,
              owner: context.repo.owner,
              repo: context.repo.repo,
              body: '✅ **All CI Checks Passed** - Ready for review and merge!'
            })
        continue-on-error: true