name: PR Checks

on:
  pull_request:
    branches: [main, int, dev]

concurrency:
  group: print-calculator-pr-${{ gitea.ref }}
  cancel-in-progress: true

jobs:
  prettier-autofix:
    runs-on: ubuntu-latest
    steps:
      - name: Checkout
        uses: actions/checkout@v4
        with:
          fetch-depth: 0

      - name: Setup Node 22
        uses: actions/setup-node@v4
        with:
          node-version: '22'

      - name: Apply formatting with Prettier
        shell: bash
        run: |
          npx --yes prettier@3.6.2 --write \
            "frontend/src/**/*.{ts,html,scss,css,json}" \
            ".gitea/workflows/*.{yml,yaml}"

      - name: Commit and push formatting changes
        shell: bash
        run: |
          if git diff --quiet; then
            echo "No formatting changes to commit."
            exit 0
          fi

          if ! command -v jq >/dev/null 2>&1; then
            apt-get update
            apt-get install -y --no-install-recommends jq
          fi

          EVENT_FILE="${GITHUB_EVENT_PATH:-}"
          if [[ -z "$EVENT_FILE" || ! -f "$EVENT_FILE" ]]; then
            echo "Event payload not found, skipping auto-push."
            exit 0
          fi

          HEAD_REPO="$(jq -r '.pull_request.head.repo.full_name // empty' "$EVENT_FILE")"
          BASE_REPO="$(jq -r '.repository.full_name // empty' "$EVENT_FILE")"
          PR_BRANCH="$(jq -r '.pull_request.head.ref // empty' "$EVENT_FILE")"

          if [[ -z "$PR_BRANCH" ]]; then
            echo "PR branch not found in event payload, skipping auto-push."
            exit 0
          fi

          if [[ -n "$HEAD_REPO" && -n "$BASE_REPO" && "$HEAD_REPO" != "$BASE_REPO" ]]; then
            echo "PR from fork ($HEAD_REPO), skipping auto-push."
            exit 0
          fi

          git config user.name "printcalc-ci"
          git config user.email "ci@printcalculator.local"

          git add frontend/src .gitea/workflows
          git commit -m "style: apply prettier formatting"
          git push origin "HEAD:${PR_BRANCH}"

  qodana:
    runs-on: ubuntu-latest
    steps:
      - name: Checkout
        uses: actions/checkout@v4
        with:
          fetch-depth: 0

      - name: Qodana Scan
        uses: JetBrains/qodana-action@v2025.3
        env:
          QODANA_TOKEN: ${{ secrets.QODANA_TOKEN }}
        with:
          cache-dir: /tmp
          results-dir: /tmp
          args: -i,backend
          pr-mode: true
          use-caches: false
          post-pr-comment: false
          use-annotations: true

  test-backend:
    runs-on: ubuntu-latest
    steps:
      - name: Checkout
        uses: actions/checkout@v4

      - name: Set up JDK 21
        uses: actions/setup-java@v4
        with:
          java-version: '21'
          distribution: 'temurin'

      - name: Run Tests with Gradle
        run: |
          cd backend
          chmod +x gradlew
          ./gradlew test