name: Build Docker containers
on:
  push:
    branches:
      - maint
  pull_request:
    branches:
      - maint

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

jobs:
  build-client:
    name: Build and push client/ Docker container
    runs-on: ubuntu-latest
    permissions:
      contents: read
      packages: write

    steps:
      - name: Login to Docker Hub
        uses: docker/login-action@9780b0c442fbb1117ed29e0efdff1e18412f7567 # v3.3.0
        with:
          registry: ${{ env.REGISTRY }}
          username: ${{ github.actor }}
          password: ${{ secrets.GITHUB_TOKEN }}

      - name: Checkout
        uses: actions/checkout@692973e3d937129bcbf40652eb9f2f61becf3332 # v4.1.7
        with:
          fetch-depth: 0

      - name: Determine metadata
        id: metadata
        run: |
          CLOSEST_VER="$(git describe --tags --abbrev=0 $GITHUB_SHA)"
          CLOSEST_MAJOR_VER="$(echo ${CLOSEST_VER} | cut -d'.' -f1)"
          CLOSEST_MINOR_VER="$(echo ${CLOSEST_VER} | cut -d'.' -f2)"
          SHORT_COMMIT=$(echo $GITHUB_SHA | cut -c1-8)
          BUILD_INFO="${CLOSEST_VER}-${SHORT_COMMIT}"
          BUILD_DATE="$(date -u +'%Y-%m-%dT%H:%M:%SZ')"

          echo "major_tag=${CLOSEST_MAJOR_VER}" >> $GITHUB_OUTPUT
          echo "minor_tag=${CLOSEST_MAJOR_VER}.${CLOSEST_MINOR_VER}" >> $GITHUB_OUTPUT
          echo "build_info=${BUILD_INFO}" >> $GITHUB_OUTPUT
          echo "build_date=${BUILD_DATE}" >> $GITHUB_OUTPUT

          echo "Build Info: v${BUILD_INFO}"
          echo "Build Date: ${BUILD_DATE}"

      - name: Set up QEMU
        uses: docker/setup-qemu-action@49b3bc8e6bdd4a60e6116a5414239cba5943d3cf # v3.2.0

      - name: Set up Docker Buildx
        id: buildx
        uses: docker/setup-buildx-action@988b5a0280414f521da01fcc63a27aeeb4b104db # v3.6.1

      - name: Build container
        run: >
          docker buildx build ${{ github.event_name != 'pull_request' && '--push' || '' }}
          --platform linux/amd64,linux/arm/v7,linux/arm64/v8
          --build-arg BUILD_INFO=v${{ steps.metadata.outputs.build_info }}
          --build-arg BUILD_DATE=${{ steps.metadata.outputs.build_date }}
          --build-arg SOURCE_COMMIT=$GITHUB_SHA
          --build-arg DOCKER_REPO=${{ env.REGISTRY }}/${{ env.IMAGE_PREFIX }}/client
          -t "${{ env.REGISTRY }}/${{ env.IMAGE_PREFIX }}/client:${{ steps.metadata.outputs.build_info }}"
          -t "${{ env.REGISTRY }}/${{ env.IMAGE_PREFIX }}/client:${{ steps.metadata.outputs.major_tag }}"
          -t "${{ env.REGISTRY }}/${{ env.IMAGE_PREFIX }}/client:${{ steps.metadata.outputs.minor_tag }}"
          ./client

  build-server:
    name: Build and push server/ Docker container
    runs-on: ubuntu-latest
    permissions:
      contents: read
      packages: write

    steps:
      - name: Login to Docker Hub
        uses: docker/login-action@9780b0c442fbb1117ed29e0efdff1e18412f7567 # v3.3.0
        with:
          registry: ${{ env.REGISTRY }}
          username: ${{ github.actor }}
          password: ${{ secrets.GITHUB_TOKEN }}

      - name: Checkout
        uses: actions/checkout@692973e3d937129bcbf40652eb9f2f61becf3332 # v4.1.7
        with:
          fetch-depth: 0

      - name: Determine metadata
        id: metadata
        run: |
          CLOSEST_VER="$(git describe --tags --abbrev=0 $GITHUB_SHA)"
          CLOSEST_MAJOR_VER="$(echo ${CLOSEST_VER} | cut -d'.' -f1)"
          CLOSEST_MINOR_VER="$(echo ${CLOSEST_VER} | cut -d'.' -f2)"
          SHORT_COMMIT=$(echo $GITHUB_SHA | cut -c1-8)
          BUILD_INFO="${CLOSEST_VER}-${SHORT_COMMIT}"
          BUILD_DATE="$(date -u +'%Y-%m-%dT%H:%M:%SZ')"

          echo "major_tag=${CLOSEST_MAJOR_VER}" >> $GITHUB_OUTPUT
          echo "minor_tag=${CLOSEST_MAJOR_VER}.${CLOSEST_MINOR_VER}" >> $GITHUB_OUTPUT
          echo "build_info=${BUILD_INFO}" >> $GITHUB_OUTPUT
          echo "build_date=${BUILD_DATE}" >> $GITHUB_OUTPUT

          echo "Build Info: v${BUILD_INFO}"
          echo "Build Date: ${BUILD_DATE}"

      - name: Set up QEMU
        uses: docker/setup-qemu-action@49b3bc8e6bdd4a60e6116a5414239cba5943d3cf # v3.2.0

      - name: Set up Docker Buildx
        id: buildx
        uses: docker/setup-buildx-action@988b5a0280414f521da01fcc63a27aeeb4b104db # v3.6.1

      - name: Build container
        run: >
          docker buildx build ${{ github.event_name != 'pull_request' && '--push' || '' }}
          --platform linux/amd64,linux/arm/v7,linux/arm64/v8
          --build-arg BUILD_INFO=v${{ steps.metadata.outputs.build_info }}
          --build-arg BUILD_DATE=${{ steps.metadata.outputs.build_date }}
          --build-arg SOURCE_COMMIT=$GITHUB_SHA
          --build-arg DOCKER_REPO=${{ env.REGISTRY }}/${{ env.IMAGE_PREFIX }}/server
          -t "${{ env.REGISTRY }}/${{ env.IMAGE_PREFIX }}/server:${{ steps.metadata.outputs.build_info }}"
          -t "${{ env.REGISTRY }}/${{ env.IMAGE_PREFIX }}/server:${{ steps.metadata.outputs.major_tag }}"
          -t "${{ env.REGISTRY }}/${{ env.IMAGE_PREFIX }}/server:${{ steps.metadata.outputs.minor_tag }}"
          ./server