name: Frontend Workflow

on:
  push:
    branches:
      - main
  pull_request:
    branches:
      - "*"

permissions:
  contents: read

jobs:

  install-dependencies:
    uses: ./.github/workflows/dependencies.yml
    with:
      node_version: '22.x'
      with-front-dependencies-installation: true

  test-front:
    needs: install-dependencies
    runs-on: ubuntu-latest
    permissions:
      contents: read
    steps:
      - name: Checkout repository
        uses: actions/checkout@v6

      - name: Setup Node.js
        uses: actions/setup-node@v6
        with:
          node-version: "22.x"

      - name: Restore the frontend cache
        uses: actions/cache@v5
        with:
          path: "src/frontend/**/node_modules"
          key: front-node_modules-${{ hashFiles('src/frontend/**/yarn.lock') }}
          fail-on-cache-miss: true

      - name: Test App
        run: cd src/frontend/ && yarn test

  lint-front:
    runs-on: ubuntu-latest
    needs: install-dependencies
    permissions:
      contents: read
    steps:
      - name: Checkout repository
        uses: actions/checkout@v6

      - name: Setup Node.js
        uses: actions/setup-node@v6
        with:
          node-version: "22.x"
      - name: Restore the frontend cache
        uses: actions/cache@v5
        with:
          path: "src/frontend/**/node_modules"
          key: front-node_modules-${{ hashFiles('src/frontend/**/yarn.lock') }}
          fail-on-cache-miss: true

      - name: Check linting
        run: cd src/frontend/ && yarn lint

  test-e2e-chromium:
    uses: ./.github/workflows/e2e-tests.yml
    with:
      browser-name: chromium
      projects: --project=chromium
      timeout-minutes: 25

  test-e2e-other-browser:
    needs: test-e2e-chromium
    uses: ./.github/workflows/e2e-tests.yml
    with:
      browser-name: other-browser
      projects: --project=firefox --project=webkit
      timeout-minutes: 30

  bundle-size-check:
    runs-on: ubuntu-latest
    needs: install-dependencies
    if: github.event_name == 'pull_request'
    permissions:
      contents: read
      pull-requests: write
      issues: write
    steps:
      - name: Checkout repository
        uses: actions/checkout@v6

      - name: Detect relevant changes
        id: changes
        uses: dorny/paths-filter@v3
        with:
          filters: |
            lock:
              - 'src/frontend/**/yarn.lock'
            app:
              - 'src/frontend/apps/impress/**'

      - name: Restore the frontend cache
        uses: actions/cache@v5
        with:
          path: "src/frontend/**/node_modules"
          key: front-node_modules-${{ hashFiles('src/frontend/**/yarn.lock') }}
          fail-on-cache-miss: true

      - name: Setup Node.js
        if: steps.changes.outputs.lock == 'true' || steps.changes.outputs.app == 'true'
        uses: actions/setup-node@v6
        with:
          node-version: "22.x"

      - name: Check bundle size changes
        if: steps.changes.outputs.lock == 'true' || steps.changes.outputs.app == 'true'
        uses: preactjs/compressed-size-action@v2
        with:
          repo-token: "${{ secrets.GITHUB_TOKEN }}"
          build-script: "app:build"
          pattern: "apps/impress/out/**/*.{css,js,html}"
          exclude: "{**/*.map,**/node_modules/**}"
          minimum-change-threshold: 500
          compression: "gzip"
          cwd: "./src/frontend"
          show-total: true
          strip-hash: "[-_.][a-f0-9]{8,}(?=\\.(?:js|css|html)$)"
          omit-unchanged: true
          install-script: "yarn install --frozen-lockfile"

  uikit-theme-checker:
    runs-on: ubuntu-latest
    needs: install-dependencies
    permissions:
      contents: read
    steps:
      - name: Checkout repository
        uses: actions/checkout@v6

      - name: Setup Node.js
        uses: actions/setup-node@v6
        with:
          node-version: "22.x"
      - name: Restore the frontend cache
        uses: actions/cache@v5
        with:
          path: "src/frontend/**/node_modules"
          key: front-node_modules-${{ hashFiles('src/frontend/**/yarn.lock') }}
          fail-on-cache-miss: true

      - name: Build theme
        run: cd src/frontend/apps/impress && yarn build-theme

      - name: Ensure theme is up to date
        shell: bash
        run: |
          if [[ -n "$(git status --porcelain)" ]]; then
            echo "Error: build-theme produced git changes (tracked or untracked)."
            echo "--- git status --porcelain ---"
            git status --porcelain
            echo "--- git diff ---"
            git --no-pager diff
            exit 1
          fi