name: Build and Publish Docker Image

on:
  push:
    branches: [main]
    tags: ["v*"]
  pull_request:
    branches: [main]

env:
  REGISTRY: ghcr.io
  IMAGE_NAME: ${{ github.repository }}

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

      - name: Setup Rust toolchain
        uses: actions-rs/toolchain@v1
        with:
          toolchain: 1.88
          override: true
          components: rustfmt, clippy

      - name: Cache cargo registry
        uses: actions/cache@v3
        with:
          path: |
            ~/.cargo/registry
            ~/.cargo/git
            target
          key: ${{ runner.os }}-cargo-${{ hashFiles('**/Cargo.lock') }}

      - name: Run tests
        run: GITHUB_TOKEN="${{ secrets.GITHUB_TOKEN }}"cargo test --verbose

      - name: Run clippy
        run: cargo clippy -- -D warnings

      - name: Check formatting
        run: cargo fmt -- --check

  build-and-push:
    needs: test
    runs-on: ubuntu-latest
    permissions:
      contents: read
      packages: write
    outputs:
      version: ${{ steps.meta.outputs.version }}
      tags: ${{ steps.meta.outputs.tags }}

    steps:
      - name: Checkout repository
        uses: actions/checkout@v4

      - name: Setup Docker Buildx
        uses: docker/setup-buildx-action@v3

      - name: Log in to Container Registry
        if: github.event_name != 'pull_request'
        uses: docker/login-action@v3
        with:
          registry: ${{ env.REGISTRY }}
          username: ${{ github.actor }}
          password: ${{ secrets.GITHUB_TOKEN }}

      - name: Extract metadata
        id: meta
        uses: docker/metadata-action@v5
        with:
          images: ${{ env.REGISTRY }}/${{ env.IMAGE_NAME }}
          tags: |
            type=ref,event=branch
            type=ref,event=pr
            type=semver,pattern={{version}}
            type=semver,pattern={{major}}.{{minor}}
            type=semver,pattern={{major}}
            type=sha

      - name: Build and push Docker image
        uses: docker/build-push-action@v5
        with:
          context: .
          platforms: linux/amd64,linux/arm64
          push: ${{ github.event_name != 'pull_request' }}
          tags: ${{ steps.meta.outputs.tags }}
          labels: ${{ steps.meta.outputs.labels }}
          cache-from: type=gha
          cache-to: type=gha,mode=max

      - name: Test Docker image
        if: github.event_name != 'pull_request'
        run: |
          docker run --rm \
            -e RUST_LOG=info \
            ${{ env.REGISTRY }}/${{ env.IMAGE_NAME }}:${{ steps.meta.outputs.version }} \
            docker-compose-updater check

  security-scan:
    needs: build-and-push
    runs-on: ubuntu-latest
    if: github.event_name != 'pull_request'
    permissions:
      contents: read
      packages: read
      security-events: write

    steps:
      - name: Checkout repository
        uses: actions/checkout@v4

      - name: Run Trivy vulnerability scanner
        uses: aquasecurity/trivy-action@master
        with:
          image-ref: ${{ env.REGISTRY }}/${{ env.IMAGE_NAME }}:${{ needs.build-and-push.outputs.version }}
          format: "sarif"
          output: "trivy-results.sarif"

      - name: Upload Trivy scan results to GitHub Security tab
        uses: github/codeql-action/upload-sarif@v2
        with:
          sarif_file: "trivy-results.sarif"