name: ocelot.social end-to-end test CI

on: push

jobs:
  build_images:
    name: Build Docker Images
    runs-on: ubuntu-latest
    strategy:
      matrix:
        include:
          - service: backend
            dockerfile: backend/Dockerfile
            context: backend
            target: build
          - service: webapp
            dockerfile: webapp/Dockerfile
            context: webapp
            target: build
          - service: neo4j
            dockerfile: neo4j/Dockerfile
            context: neo4j
            target: community
    steps:
      - name: Checkout code
        uses: actions/checkout@v4

      - name: Wait for webapp to be ready
        run: |
          npm install --no-save wait-on
          npx wait-on http://localhost:3000 --timeout 120000

      - uses: docker/setup-buildx-action@v3

      - name: Build ${{ matrix.service }} image
        uses: docker/build-push-action@v5
        with:
          context: ./${{ matrix.context }}
          file: ./${{ matrix.dockerfile }}
          target: ${{ matrix.target }}
          tags: ghcr.io/ocelot-social-community/ocelot-social/${{ matrix.service }}:test
          push: false
          outputs: type=docker,dest=/tmp/${{ matrix.service }}.tar

      - name: Upload Docker image tarball
        uses: actions/upload-artifact@v4
        with:
          name: ${{ matrix.service }}-image
          path: /tmp/${{ matrix.service }}.tar

  prepare_cypress:
    name: Fullstack | prepare cypress
    runs-on: ubuntu-latest

    steps:

      - name: Checkout code
        uses: actions/checkout@v4

      - name: Copy env files
        run: |
          cp webapp/.env.template webapp/.env
          cp backend/.env.test_e2e backend/.env

      - name: Install cypress requirements
        run: |
          wget --no-verbose -O /opt/cucumber-json-formatter "https://github.com/cucumber/json-formatter/releases/download/v19.0.0/cucumber-json-formatter-linux-386"
          cd backend
          yarn install
          yarn build
          cd ..
          yarn install

      - name: Cache cypress
        uses: actions/cache@v4
        with:
          path: |
            /opt/cucumber-json-formatter
            /home/runner/.cache/Cypress
            /home/runner/work/Ocelot-Social/Ocelot-Social
          key: ${{ github.run_id }}-e2e-cypress

  fullstack_tests:
    name: Fullstack | tests
    if: success()
    needs: [build_images, prepare_cypress]
    runs-on: ubuntu-latest
    env:
      jobs: 8
    strategy:
      matrix:
        job: [1, 2, 3, 4, 5, 6, 7, 8]
    steps:
      - name: Checkout code
        uses: actions/checkout@v4

      - name: Download Docker image tarballs
        uses: actions/download-artifact@v4
        with:
          path: /tmp

      - name: Restore cypress cache
        uses: actions/cache@v4
        with:
          path: |
            /opt/cucumber-json-formatter
            /home/runner/.cache/Cypress
            /home/runner/work/Ocelot-Social/Ocelot-Social
          key: ${{ github.run_id }}-e2e-cypress
          restore-keys: ${{ github.run_id }}-e2e-cypress

      - name: Restore backend environment cache
        uses: actions/cache@5a3ec84eff668545956fd18022155c47e93e2684 # v4.0.2
        with:
          path: |
            /tmp/backend.tar
            /tmp/neo4j.tar
            /tmp/minio.tar
            /tmp/minio-mc.tar
            /tmp/mailserver.tar
          key: ${{ github.run_id }}-e2e-backend-environment-cache

      - name: Restore webapp cache
        uses: actions/cache@5a3ec84eff668545956fd18022155c47e93e2684 # v4.0.2
        with:
          path: /tmp/webapp.tar
          key: ${{ github.run_id }}-e2e-webapp-cache
          
      - name: Boot up test system | docker compose
        run: |
          chmod +x /opt/cucumber-json-formatter
          sudo ln -fs /opt/cucumber-json-formatter /usr/bin/cucumber-json-formatter
          docker load -i /tmp/neo4j-image/neo4j.tar
          docker load -i /tmp/backend-image/backend.tar
          docker load -i /tmp/webapp-image/webapp.tar
          docker load -i /tmp/minio.tar || true
          docker load -i /tmp/minio-mc.tar || true
          docker load -i /tmp/mailserver.tar || true
          docker compose -f docker-compose.yml -f docker-compose.test.yml up --detach backend mailserver webapp

      - name: Wait for webapp to be ready
        run: |
          npm install --no-save wait-on
          npx wait-on http://localhost:3000 --timeout 120000

      - name: Full stack tests | run tests
        id: e2e-tests
        run: yarn run cypress:run --spec $(cypress/parallel-features.sh ${{ matrix.job }} ${{ env.jobs }} )

      - name: Full stack tests | if tests failed, compile html report
        if: ${{ failure() && steps.e2e-tests.conclusion == 'failure' }}
        run: |
          cd cypress/
          node create-cucumber-html-report.js
      - name: Full stack tests | if tests failed, upload report
        id: e2e-report
        if: ${{ failure() && steps.e2e-tests.conclusion == 'failure' }}
        uses: actions/upload-artifact@v4
        with:
          name: ocelot-e2e-test-report-pr${{ needs.docker_preparation.outputs.pr-number }}
          path: /home/runner/work/Ocelot-Social/Ocelot-Social/cypress/reports/cucumber_html_report

  cleanup_cache:
    name: Cleanup Cache
    needs: fullstack_tests
    runs-on: ubuntu-latest
    continue-on-error: true
    steps:
      - name: Checkout code
        uses: actions/checkout@11bd71901bbe5b1630ceea73d27597364c9af683 # v4.1.7
      
      - name: Full stack tests | cleanup cache
        run: |
          cacheKeys=$(gh cache list --json key --jq '.[] | select(.key | startswith("${{ github.run_id }}-e2e-")) | .key')
          set +e
          echo "Deleting caches..."
          for cacheKey in $cacheKeys
          do
            gh cache delete "$cacheKey"
          done
          echo "Done"
        env:
          GH_TOKEN: ${{ secrets.GITHUB_TOKEN }}