ci.yml

name: CI

on:
  push:
    branches: [main]
  pull_request:
    branches: [main]
  workflow_dispatch:

permissions:
  contents: read
  id-token: write
  pull-requests: write
  deployments: write

concurrency:
  group: ci-${{ github.ref }}
  cancel-in-progress: ${{ github.ref != 'refs/heads/main' }}

jobs:
  lint-pr:
    if: github.event_name == 'pull_request'
    runs-on: ubuntu-latest
    steps:
      - uses: amannn/action-semantic-pull-request@v5
        env:
          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}

  # Detect which files have changed
  changes:
    runs-on: ubuntu-latest
    outputs:
      app: ${{ steps.filter.outputs.app }}
    steps:
      - name: Checkout
        uses: actions/checkout@v4

      - name: Check for file changes
        uses: dorny/paths-filter@v3
        id: filter
        with:
          filters: |
            app:
              - 'lib/**'
              - 'web/**'
              - 'pubspec.yaml'
              - 'test/**'
              - 'test-e2e/**'
              - 'package.json'
              - 'playwright.config.ts'
              - 'android/**'
              - '.github/workflows/build-deploy.yml'
              - 'mise.toml'

  # Run tests once before building
  test:
    needs: changes
    runs-on: ubuntu-latest
    if: |
      github.event_name == 'workflow_dispatch' ||
      needs.changes.outputs.app == 'true'
    steps:
      - name: Checkout
        uses: actions/checkout@v4

      - name: Setup Flutter App
        uses: ./.github/actions/setup-flutter-app
        with:
          google-services-json: ${{ secrets.GOOGLE_SERVICES_JSON }}
          generate-mocks: 'true'

      - name: Analyze code
        run: flutter analyze --no-fatal-infos

      - name: Run tests with coverage
        run: flutter test --coverage

      - name: Install lcov
        run: sudo apt-get update && sudo apt-get install -y lcov

      - name: Report code coverage
        uses: zgosalvez/github-actions-report-lcov@v4
        with:
          coverage-files: coverage/lcov.info
          # Updated: Coverage threshold increased from 25% to 70%
          # Current coverage: 72%+ with comprehensive test improvements
          minimum-coverage: 70
          artifact-name: code-coverage-report
          github-token: ${{ secrets.GITHUB_TOKEN }}
          update-comment: true

      - name: Upload coverage to Codecov
        uses: codecov/codecov-action@v5
        with:
          files: coverage/lcov.info
          token: ${{ secrets.CODECOV_TOKEN }}
          fail_ci_if_error: false

  # Build web after tests pass
  build-web:
    needs: test
    runs-on: ubuntu-latest
    steps:
      - name: Checkout
        uses: actions/checkout@v4

      - name: Setup Flutter App
        uses: ./.github/actions/setup-flutter-app
        with:
          google-services-json: ${{ secrets.GOOGLE_SERVICES_JSON }}

      - name: Get git version info
        id: git_version
        run: scripts/get_version_info.sh github >> $GITHUB_OUTPUT

      - name: Build web
        run: |
          flutter build web --release --base-href "/" \
            --dart-define=GIT_TAG=${{ steps.git_version.outputs.git_tag }} \
            --dart-define=GIT_COMMIT=${{ steps.git_version.outputs.git_commit }} \
            --dart-define=GIT_BRANCH=${{ steps.git_version.outputs.git_branch }} \
            --dart-define=BUILD_VERSION=${{ steps.git_version.outputs.version }} \
            --dart-define=BUILD_TIME=${{ steps.git_version.outputs.build_time }}

      - name: Upload build artifact
        uses: actions/upload-artifact@v4
        with:
          name: web-build
          path: build/web

  # Run E2E tests on web build
  test-e2e-web:
    needs: build-web
    runs-on: ubuntu-latest
    steps:
      - name: Checkout
        uses: actions/checkout@v4

      - name: Setup Node.js
        uses: actions/setup-node@v4
        with:
          node-version: '20'
          cache: 'npm'

      - name: Download web build artifact
        uses: actions/download-artifact@v4
        with:
          name: web-build
          path: build/web

      - name: Install npm dependencies
        run: npm ci

      - name: Install Playwright browsers
        run: npx playwright install --with-deps chromium

      - name: Start http-server in background
        run: |
          npx http-server build/web -p 8080 -c-1 -a 127.0.0.1 --proxy http://127.0.0.1:8080? > /dev/null 2>&1 &
          echo $! > .http-server.pid

      - name: Wait for server to be ready
        run: |
          timeout 30 bash -c 'until curl -s http://127.0.0.1:8080 > /dev/null; do sleep 1; done' || exit 1
          # Additional wait to ensure Flutter app fully initializes
          sleep 3
          # Verify server responds to festival route (tests SPA routing)
          curl -f -s http://127.0.0.1:8080/cbf2025 > /dev/null || (echo "SPA routing not working" && exit 1)

      - name: Run Playwright tests
        run: npx playwright test

      - name: Upload Playwright report
        if: always()
        uses: actions/upload-artifact@v4
        with:
          name: playwright-report
          path: playwright-report/
          retention-days: 7

      - name: Stop http-server
        if: always()
        run: |
          if [ -f .http-server.pid ]; then
            kill $(cat .http-server.pid) || true
            rm .http-server.pid
          fi

  # Build Android after tests pass
  build-android:
    needs: test
    runs-on: ubuntu-latest
    steps:
      - name: Checkout
        uses: actions/checkout@v4

      - name: Set up JDK 17
        uses: actions/setup-java@v4
        with:
          java-version: '17'
          distribution: 'temurin'

      - name: Cache Gradle dependencies
        uses: actions/cache@v4
        with:
          path: |
            ~/.gradle/caches
            ~/.gradle/wrapper
          key: ${{ runner.os }}-gradle-${{ hashFiles('**/*.gradle*', '**/gradle-wrapper.properties') }}
          restore-keys: |
            ${{ runner.os }}-gradle-

      - name: Setup Flutter App
        uses: ./.github/actions/setup-flutter-app
        with:
          google-services-json: ${{ secrets.GOOGLE_SERVICES_JSON }}

      - name: Get git version info
        id: git_version
        run: scripts/get_version_info.sh github >> $GITHUB_OUTPUT

      - name: Build debug APK
        run: |
          flutter build apk --debug \
            --dart-define=GIT_TAG=${{ steps.git_version.outputs.git_tag }} \
            --dart-define=GIT_COMMIT=${{ steps.git_version.outputs.git_commit }} \
            --dart-define=GIT_BRANCH=${{ steps.git_version.outputs.git_branch }} \
            --dart-define=BUILD_VERSION=${{ steps.git_version.outputs.version }} \
            --dart-define=BUILD_TIME=${{ steps.git_version.outputs.build_time }}

      - name: Upload debug APK
        uses: actions/upload-artifact@v4
        with:
          name: app-debug-apk
          path: build/app/outputs/flutter-apk/app-debug.apk
          if-no-files-found: error

  deploy-web-preview:
    needs: [changes, build-web, test-e2e-web]
    runs-on: ubuntu-latest
    if: |
      github.event_name == 'workflow_dispatch' ||
      needs.changes.outputs.app == 'true'
    steps:
      - name: Download build artifact
        uses: actions/download-artifact@v4
        with:
          name: web-build
          path: build/web

      - name: Deploy to Cloudflare Pages (Staging/PR Previews)
        id: deploy
        uses: cloudflare/wrangler-action@v3
        with:
          apiToken: ${{ secrets.CLOUDFLARE_API_TOKEN }}
          accountId: ${{ secrets.CLOUDFLARE_ACCOUNT_ID }}
          command: pages deploy build/web --project-name=staging-cambeerfestival --branch=${{ github.head_ref || github.ref_name }}

      - name: Comment PR with Preview URL
        if: github.event_name == 'pull_request'
        uses: actions/github-script@v7
        with:
          script: |
            const aliasUrl = '${{ steps.deploy.outputs.pages-deployment-alias-url }}';
            const deployUrl = '${{ steps.deploy.outputs.deployment-url }}';
            const previewUrl = aliasUrl || deployUrl;
            const comment = `## 🚀 Cloudflare Pages Preview

            Your preview deployment is ready!

            **Preview URL**: ${previewUrl}

            This preview will be automatically updated when you push new commits to this PR.`;

            github.rest.issues.createComment({
              issue_number: context.issue.number,
              owner: context.repo.owner,
              repo: context.repo.repo,
              body: comment
            });