name: CI

on:
  push:

jobs:
  backend-test:
    runs-on: ubuntu-latest
    steps:
      - uses: actions/checkout@v6

      - name: Set up JDK 25
        uses: actions/setup-java@v5
        with:
          distribution: temurin
          java-version: 25

      - name: Run backend verify
        run: cd backend && ./mvnw -B verify

  frontend-test:
    runs-on: ubuntu-latest
    steps:
      - uses: actions/checkout@v6

      - name: Set up Node 24
        uses: actions/setup-node@v6
        with:
          node-version: 24

      - name: Install dependencies
        run: cd frontend && npm ci

      - name: Lint
        run: cd frontend && npm run lint

      - name: Generate API types
        run: cd frontend && npm run generate:api

      - name: Type check
        run: cd frontend && npm run type-check

      - name: Unit tests
        run: cd frontend && npm run test:unit -- --run

      - name: Production build
        run: cd frontend && npm run build

  frontend-e2e:
    runs-on: ubuntu-latest
    steps:
      - uses: actions/checkout@v6

      - name: Set up Node 24
        uses: actions/setup-node@v6
        with:
          node-version: 24

      - name: Install dependencies
        run: cd frontend && npm ci

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

      - name: Run E2E tests
        run: cd frontend && npm run test:e2e

      - name: Upload Playwright report
        uses: actions/upload-artifact@v7
        if: ${{ !cancelled() }}
        with:
          name: playwright-report
          path: frontend/playwright-report/
          retention-days: 30

  build-and-publish:
    needs: [backend-test, frontend-test, frontend-e2e]
    if: startsWith(github.ref, 'refs/tags/') && contains(github.ref_name, '.')
    runs-on: ubuntu-latest
    steps:
      - uses: actions/checkout@v6
        with:
          fetch-depth: 0

      - name: Parse SemVer tag
        id: semver
        run: |
          TAG="${{ github.ref_name }}"
          if [[ ! "$TAG" =~ ^[0-9]+\.[0-9]+\.[0-9]+$ ]]; then
            echo "Not a valid SemVer tag: $TAG"
            exit 1
          fi
          MAJOR="${TAG%%.*}"
          MINOR="${TAG%.*}"
          echo "full=$TAG" >> "$GITHUB_OUTPUT"
          echo "minor=$MINOR" >> "$GITHUB_OUTPUT"
          echo "major=$MAJOR" >> "$GITHUB_OUTPUT"

      - name: Build image
        run: |
          REGISTRY="${{ github.server_url }}"
          REGISTRY="${REGISTRY#https://}"
          REGISTRY="${REGISTRY#http://}"
          REPO="${{ github.repository }}"
          IMAGE="${REGISTRY}/${REPO}"
          docker build -t "${IMAGE}:${{ steps.semver.outputs.full }}" .
          docker tag "${IMAGE}:${{ steps.semver.outputs.full }}" "${IMAGE}:${{ steps.semver.outputs.minor }}"
          docker tag "${IMAGE}:${{ steps.semver.outputs.full }}" "${IMAGE}:${{ steps.semver.outputs.major }}"
          docker tag "${IMAGE}:${{ steps.semver.outputs.full }}" "${IMAGE}:latest"
          echo "IMAGE=${IMAGE}" >> "$GITHUB_ENV"

      - name: Push to registry
        run: |
          echo "${{ secrets.REGISTRY_TOKEN }}" | docker login -u "${{ github.repository_owner }}" --password-stdin "${IMAGE%%/*}"
          docker push "${IMAGE}:${{ steps.semver.outputs.full }}"
          docker push "${IMAGE}:${{ steps.semver.outputs.minor }}"
          docker push "${IMAGE}:${{ steps.semver.outputs.major }}"
          docker push "${IMAGE}:latest"

      - name: Generate changelog
        id: changelog
        run: |
          PREV_TAG=$(git tag --sort=-v:refname | sed -n '2p')
          if [ -z "$PREV_TAG" ]; then
            git log --oneline --no-merges > RELEASE_NOTES.md
          else
            git log --oneline --no-merges "${PREV_TAG}..HEAD" > RELEASE_NOTES.md
          fi
          echo "Container image: \`${IMAGE}:${{ steps.semver.outputs.full }}\`" >> RELEASE_NOTES.md

      - name: Create Gitea release
        uses: akkuman/gitea-release-action@v1
        with:
          tag_name: ${{ github.ref_name }}
          name: v${{ steps.semver.outputs.full }}
          body_path: RELEASE_NOTES.md
          token: ${{ github.token }}