name: Frontend Tests
on:
  push:
    branches-ignore:
      - 'translations**'
  pull_request:
    branches-ignore:
      - 'translations**'
  workflow_dispatch:
concurrency:
  group: frontend-${{ github.event.pull_request.number || github.ref }}
  cancel-in-progress: true
permissions: {}
jobs:
  changes:
    name: Detect Frontend Changes
    runs-on: ubuntu-slim
    permissions:
      contents: read
    outputs:
      frontend_changed: ${{ steps.force.outputs.run_all == 'true' || steps.filter.outputs.frontend == 'true' }}
    steps:
      - name: Checkout
        uses: actions/checkout@de0fac2e4500dabe0009e67214ff5f5447ce83dd # v6.0.2
        with:
          fetch-depth: 0
          persist-credentials: false
      - name: Decide run mode
        id: force
        env:
          EVENT_NAME: ${{ github.event_name }}
          REF_NAME: ${{ github.ref_name }}
        run: |
          if [[ "${EVENT_NAME}" == "workflow_dispatch" ]]; then
            echo "run_all=true" >> "$GITHUB_OUTPUT"
          elif [[ "${EVENT_NAME}" == "push" && ( "${REF_NAME}" == "main" || "${REF_NAME}" == "dev" ) ]]; then
            echo "run_all=true" >> "$GITHUB_OUTPUT"
          else
            echo "run_all=false" >> "$GITHUB_OUTPUT"
          fi
      - name: Set diff range
        id: range
        if: steps.force.outputs.run_all != 'true'
        env:
          BEFORE_SHA: ${{ github.event.before }}
          DEFAULT_BRANCH: ${{ github.event.repository.default_branch }}
          EVENT_CREATED: ${{ github.event.created }}
          EVENT_NAME: ${{ github.event_name }}
          PR_BASE_SHA: ${{ github.event.pull_request.base.sha }}
          SHA: ${{ github.sha }}
        run: |
          if [[ "${EVENT_NAME}" == "pull_request" ]]; then
            echo "base=${PR_BASE_SHA}" >> "$GITHUB_OUTPUT"
          elif [[ "${EVENT_CREATED}" == "true" ]]; then
            echo "base=${DEFAULT_BRANCH}" >> "$GITHUB_OUTPUT"
          else
            echo "base=${BEFORE_SHA}" >> "$GITHUB_OUTPUT"
          fi
          echo "ref=${SHA}" >> "$GITHUB_OUTPUT"
      - name: Detect changes
        id: filter
        if: steps.force.outputs.run_all != 'true'
        uses: dorny/paths-filter@fbd0ab8f3e69293af611ebaee6363fc25e6d187d # v4.0.1
        with:
          base: ${{ steps.range.outputs.base }}
          ref: ${{ steps.range.outputs.ref }}
          filters: |
            frontend:
              - 'src-ui/**'
              - '.github/workflows/ci-frontend.yml'
  install-dependencies:
    needs: changes
    if: needs.changes.outputs.frontend_changed == 'true'
    name: Install Dependencies
    runs-on: ubuntu-24.04
    permissions:
      contents: read
    steps:
      - name: Checkout
        uses: actions/checkout@de0fac2e4500dabe0009e67214ff5f5447ce83dd # v6.0.2
        with:
          persist-credentials: false
      - name: Install pnpm
        uses: pnpm/action-setup@fc06bc1257f339d1d5d8b3a19a8cae5388b55320 # v5.0.0
        with:
          version: 10
      - name: Use Node.js 24
        uses: actions/setup-node@53b83947a5a98c8d113130e565377fae1a50d02f # v6.3.0
        with:
          node-version: 24.x
          cache: 'pnpm'
          cache-dependency-path: 'src-ui/pnpm-lock.yaml'
      - name: Cache frontend dependencies
        id: cache-frontend-deps
        uses: actions/cache@668228422ae6a00e4ad889ee87cd7109ec5666a7 # v5.0.4
        with:
          path: |
            ~/.pnpm-store
            ~/.cache
          key: ${{ runner.os }}-frontend-${{ hashFiles('src-ui/pnpm-lock.yaml') }}
      - name: Install dependencies
        run: cd src-ui && pnpm install
  lint:
    name: Lint
    needs: [changes, install-dependencies]
    if: needs.changes.outputs.frontend_changed == 'true'
    runs-on: ubuntu-24.04
    permissions:
      contents: read
    steps:
      - name: Checkout
        uses: actions/checkout@de0fac2e4500dabe0009e67214ff5f5447ce83dd # v6.0.2
        with:
          persist-credentials: false
      - name: Install pnpm
        uses: pnpm/action-setup@fc06bc1257f339d1d5d8b3a19a8cae5388b55320 # v5.0.0
        with:
          version: 10
      - name: Use Node.js 24
        uses: actions/setup-node@53b83947a5a98c8d113130e565377fae1a50d02f # v6.3.0
        with:
          node-version: 24.x
          cache: 'pnpm'
          cache-dependency-path: 'src-ui/pnpm-lock.yaml'
      - name: Cache frontend dependencies
        uses: actions/cache@668228422ae6a00e4ad889ee87cd7109ec5666a7 # v5.0.4
        with:
          path: |
            ~/.pnpm-store
            ~/.cache
          key: ${{ runner.os }}-frontend-${{ hashFiles('src-ui/pnpm-lock.yaml') }}
      - name: Re-link Angular CLI
        run: cd src-ui && pnpm link @angular/cli
      - name: Run lint
        run: cd src-ui && pnpm run lint
  unit-tests:
    name: "Unit Tests (${{ matrix.shard-index }}/${{ matrix.shard-count }})"
    needs: [changes, install-dependencies]
    if: needs.changes.outputs.frontend_changed == 'true'
    runs-on: ubuntu-24.04
    permissions:
      contents: read
    strategy:
      fail-fast: false
      matrix:
        node-version: [24.x]
        shard-index: [1, 2, 3, 4]
        shard-count: [4]
    steps:
      - name: Checkout
        uses: actions/checkout@de0fac2e4500dabe0009e67214ff5f5447ce83dd # v6.0.2
        with:
          persist-credentials: false
      - name: Install pnpm
        uses: pnpm/action-setup@fc06bc1257f339d1d5d8b3a19a8cae5388b55320 # v5.0.0
        with:
          version: 10
      - name: Use Node.js 24
        uses: actions/setup-node@53b83947a5a98c8d113130e565377fae1a50d02f # v6.3.0
        with:
          node-version: 24.x
          cache: 'pnpm'
          cache-dependency-path: 'src-ui/pnpm-lock.yaml'
      - name: Cache frontend dependencies
        uses: actions/cache@668228422ae6a00e4ad889ee87cd7109ec5666a7 # v5.0.4
        with:
          path: |
            ~/.pnpm-store
            ~/.cache
          key: ${{ runner.os }}-frontend-${{ hashFiles('src-ui/pnpm-lock.yaml') }}
      - name: Re-link Angular CLI
        run: cd src-ui && pnpm link @angular/cli
      - name: Run Jest unit tests
        run: cd src-ui && pnpm run test --max-workers=2 --shard=${{ matrix.shard-index }}/${{ matrix.shard-count }}
      - name: Upload test results to Codecov
        if: always()
        uses: codecov/codecov-action@57e3a136b779b570ffcdbf80b3bdc90e7fab3de2 # v6.0.0
        with:
          flags: frontend-node-${{ matrix.node-version }}
          directory: src-ui/
          report_type: test_results
      - name: Upload coverage to Codecov
        uses: codecov/codecov-action@57e3a136b779b570ffcdbf80b3bdc90e7fab3de2 # v6.0.0
        with:
          flags: frontend-node-${{ matrix.node-version }}
          directory: src-ui/coverage/
  e2e-tests:
    name: "E2E Tests (${{ matrix.shard-index }}/${{ matrix.shard-count }})"
    needs: [changes, install-dependencies]
    if: needs.changes.outputs.frontend_changed == 'true'
    runs-on: ubuntu-24.04
    permissions:
      contents: read
    container: mcr.microsoft.com/playwright:v1.59.0-noble
    env:
      PLAYWRIGHT_BROWSERS_PATH: /ms-playwright
      PLAYWRIGHT_SKIP_BROWSER_DOWNLOAD: 1
    strategy:
      fail-fast: false
      matrix:
        node-version: [24.x]
        shard-index: [1, 2]
        shard-count: [2]
    steps:
      - name: Checkout
        uses: actions/checkout@de0fac2e4500dabe0009e67214ff5f5447ce83dd # v6.0.2
        with:
          persist-credentials: false
      - name: Install pnpm
        uses: pnpm/action-setup@fc06bc1257f339d1d5d8b3a19a8cae5388b55320 # v5.0.0
        with:
          version: 10
      - name: Use Node.js 24
        uses: actions/setup-node@53b83947a5a98c8d113130e565377fae1a50d02f # v6.3.0
        with:
          node-version: 24.x
          cache: 'pnpm'
          cache-dependency-path: 'src-ui/pnpm-lock.yaml'
      - name: Cache frontend dependencies
        uses: actions/cache@668228422ae6a00e4ad889ee87cd7109ec5666a7 # v5.0.4
        with:
          path: |
            ~/.pnpm-store
            ~/.cache
          key: ${{ runner.os }}-frontend-${{ hashFiles('src-ui/pnpm-lock.yaml') }}
      - name: Re-link Angular CLI
        run: cd src-ui && pnpm link @angular/cli
      - name: Install dependencies
        run: cd src-ui && pnpm install --no-frozen-lockfile
      - name: Run Playwright E2E tests
        run: cd src-ui && pnpm exec playwright test --shard ${{ matrix.shard-index }}/${{ matrix.shard-count }}
  bundle-analysis:
    name: Bundle Analysis
    needs: [changes, unit-tests, e2e-tests]
    if: needs.changes.outputs.frontend_changed == 'true'
    runs-on: ubuntu-24.04
    environment: bundle-analysis
    permissions:
      contents: read
    steps:
      - name: Checkout
        uses: actions/checkout@de0fac2e4500dabe0009e67214ff5f5447ce83dd # v6.0.2
        with:
          fetch-depth: 2
          persist-credentials: false
      - name: Install pnpm
        uses: pnpm/action-setup@fc06bc1257f339d1d5d8b3a19a8cae5388b55320 # v5.0.0
        with:
          version: 10
      - name: Use Node.js 24
        uses: actions/setup-node@53b83947a5a98c8d113130e565377fae1a50d02f # v6.3.0
        with:
          node-version: 24.x
          cache: 'pnpm'
          cache-dependency-path: 'src-ui/pnpm-lock.yaml'
      - name: Cache frontend dependencies
        uses: actions/cache@668228422ae6a00e4ad889ee87cd7109ec5666a7 # v5.0.4
        with:
          path: |
            ~/.pnpm-store
            ~/.cache
          key: ${{ runner.os }}-frontend-${{ hashFiles('src-ui/pnpm-lock.yaml') }}
      - name: Re-link Angular CLI
        run: cd src-ui && pnpm link @angular/cli
      - name: Build and analyze
        env:
          CODECOV_TOKEN: ${{ secrets.CODECOV_TOKEN }}
        run: cd src-ui && pnpm run build --configuration=production
  gate:
    name: Frontend CI Gate
    needs: [changes, install-dependencies, lint, unit-tests, e2e-tests, bundle-analysis]
    if: always()
    runs-on: ubuntu-slim
    steps:
      - name: Check gate
        env:
          BUNDLE_ANALYSIS_RESULT: ${{ needs['bundle-analysis'].result }}
          E2E_RESULT: ${{ needs['e2e-tests'].result }}
          FRONTEND_CHANGED: ${{ needs.changes.outputs.frontend_changed }}
          INSTALL_RESULT: ${{ needs['install-dependencies'].result }}
          LINT_RESULT: ${{ needs.lint.result }}
          UNIT_RESULT: ${{ needs['unit-tests'].result }}
        run: |
          if [[ "${FRONTEND_CHANGED}" != "true" ]]; then
            echo "No frontend-relevant changes detected."
            exit 0
          fi

          if [[ "${INSTALL_RESULT}" != "success" ]]; then
            echo "::error::Frontend install job result: ${INSTALL_RESULT}"
            exit 1
          fi

          if [[ "${LINT_RESULT}" != "success" ]]; then
            echo "::error::Frontend lint job result: ${LINT_RESULT}"
            exit 1
          fi

          if [[ "${UNIT_RESULT}" != "success" ]]; then
            echo "::error::Frontend unit-tests job result: ${UNIT_RESULT}"
            exit 1
          fi

          if [[ "${E2E_RESULT}" != "success" ]]; then
            echo "::error::Frontend e2e-tests job result: ${E2E_RESULT}"
            exit 1
          fi

          if [[ "${BUNDLE_ANALYSIS_RESULT}" != "success" ]]; then
            echo "::error::Frontend bundle-analysis job result: ${BUNDLE_ANALYSIS_RESULT}"
            exit 1
          fi

          echo "Frontend checks passed."