name: Docker builds

on:
  pull_request:
    branches: [master]
  push:
    branches: [master]
    tags:
      - v*
  schedule:
    - cron: '18 1 * * 4'

env:
  DOCKER_USERNAME: viktorstrate
  DOCKER_IMAGE: viktorstrate/photoview
  DOCKER_PASSWORD: ${{ secrets.DOCKER_PASSWORD }}
  PLATFORMS: linux/amd64,linux/arm64,linux/arm/v7,linux/arm/v6

jobs:
  prepare:
    name: Prepare the Matrix
    runs-on: ubuntu-latest
    steps:
      - name: Checkout
        uses: actions/checkout@v4

      - name: Prepare the Matrix
        id: prepare_matrix
        shell: bash
        run: |
          case ${{ github.event_name }} in
            pull_request)
              echo 'tags=[{"tag": "", "ref": "${{ github.ref }}"}]' >> $GITHUB_OUTPUT
              ;;
            push)
              echo 'tags=[{"tag": "${{ github.ref_name }}", "ref": "${{ github.ref }}"}]' >> $GITHUB_OUTPUT
              ;;
            schedule)
              git fetch --all
              TAG=$(git describe --tags --abbrev=0 || exit 0)
              if [ -z "$TAG" ]; then
                echo 'tags=[{"tag": "${{ github.ref_name }}", "ref": "${{ github.ref }}"}]' >> $GITHUB_OUTPUT
              else
                echo 'tags=[{"tag": "${{ github.ref_name }}", "ref": "${{ github.ref }}"}, {"tag": "$TAG", "ref": "$(git show-ref --tags -d | grep "/$TAG$" | cut -d ' ' -f 2)"}]' >> $GITHUB_OUTPUT
              fi
              ;;
            *)
              echo "Run for '${{ github.event_name }}' is not expected"
              echo 'tags=[{"tag": "", "ref": "${{ github.ref }}"}]' >> $GITHUB_OUTPUT
              ;;
          esac

    outputs:
      tags: ${{ steps.prepare_matrix.outputs.tags }}

  build:
    name: Build Docker Image
    runs-on: ubuntu-latest
    needs: prepare
    strategy:
      fail-fast: false
      matrix:
        tags: ${{ fromJson(needs.prepare.outputs.tags) }}
    steps:
      - name: Delete huge unnecessary tools folder
        run: rm -rf /opt/hostedtoolcache

      - name: Checkout ${{ matrix.tags.ref }}
        uses: actions/checkout@v4
        with:
          ref: ${{ matrix.tags.ref }}

      - name: Fetch branches
        run: git fetch --all

      - name: Set up QEMU
        uses: docker/setup-qemu-action@v3
        with:
          platforms: ${{ env.PLATFORMS }}


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

      - name: Docker Login
        if: github.event_name != 'pull_request' && github.repository == 'photoview/photoview'
        uses: docker/login-action@v3
        with:
          username: ${{ env.DOCKER_USERNAME }}
          password: ${{ env.DOCKER_PASSWORD }}

      - name: Docker meta
        id: docker_meta
        uses: docker/metadata-action@v5
        with:
          # list of Docker images to use as base name for tags
          images: ${{ env.DOCKER_IMAGE }}
          # Docker tags based on the following events/attributes
          tags: |
            type=schedule
            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
        uses: docker/build-push-action@v6
        with:
          context: .
          sbom: true
          provenance: mode=max
          platforms: ${{ env.PLATFORMS }}
          pull: true
          push: ${{ github.event_name != 'pull_request' && github.repository == 'photoview/photoview' }}
          tags: ${{ steps.docker_meta.outputs.tags }}
          labels: ${{ steps.docker_meta.outputs.labels }}
          annotations: ${{ steps.docker_meta.outputs.annotations }}
          cache-from: type=gha
          cache-to: type=gha,mode=max
          build-args: |
            VERSION=${{ github.ref_name }}
            COMMIT_SHA=${{ github.sha }}

  dockle:
    name: Dockle Container Analysis
    runs-on: ubuntu-latest
    needs:
      - prepare
      - build
    strategy:
      fail-fast: false
      matrix:
        tags: ${{ fromJson(needs.prepare.outputs.tags) }}
    if: ${{ github.event_name != 'pull_request' && github.repository == 'photoview/photoview' }}
    steps:
      # Makes sure your .dockleignore file is available to the next step
      - name: Checkout ${{ matrix.tags.ref }}
        uses: actions/checkout@v4
        with:
          ref: ${{ matrix.tags.ref }}

      - name: Docker Login
        uses: docker/login-action@v3
        with:
          username: ${{ env.DOCKER_USERNAME }}
          password: ${{ env.DOCKER_PASSWORD }}

      - name: Run Dockle for '${{ env.DOCKER_IMAGE }}:${{ matrix.tags.tag }}'
        id: dockle
        if: ${{ matrix.tags.tag != '' }}
        uses: erzz/dockle-action@v1
        with:
          image: '${{ env.DOCKER_IMAGE }}:${{ matrix.tags.tag }}'
          report-name: dockle-results-${{ matrix.tags.tag }}
          report-format: sarif
          failure-threshold: fatal
          exit-code: 1
          timeout: 5m

      - name: Upload SARIF file
        if: ${{ steps.dockle.conclusion == 'success' || steps.dockle.conclusion == 'failure' }}
        uses: github/codeql-action/upload-sarif@v3
        with:
          sarif_file: dockle-results-${{ matrix.tags.tag }}.sarif