name: Deploy addons
on:
  push:
    branches:
      - master

jobs:
  check-addon-changes:
    runs-on: ubuntu-latest
    outputs:
      changedAddons: ${{ steps.filter.outputs.changes }}
    steps:

    - name: ↩️ Checkout
      uses: actions/checkout@v2

    - name: 📂 Detect chanced files
      uses: dorny/paths-filter@v2
      id: filter
      with:
        filters: .github/paths-filter.yml

  build-addon:
    name: Build and deploy addon
    if: ${{ needs.check-addon-changes.outputs.changedAddons != '[]' }}
    runs-on: ubuntu-latest
    needs: check-addon-changes
    strategy:
      fail-fast: false
      matrix:
        addon: ${{ fromJSON(needs.check-addon-changes.outputs.changedAddons) }}
    steps:

      - name: ↩️ Checkout
        uses: actions/checkout@v2

      - name: ℹ️ Gather addon info
        id: information
        uses: frenck/action-addon-information@v1.2
        with:
          path: "./${{ matrix.addon }}/"

      - name: 🗄️ Cache docker layers
        uses: actions/cache@v2
        with:
          path: /tmp/buildx-cache
          key: ${{ runner.os }}-buildx-${{ matrix.addon }}-${{ hashFiles('**/Dockerfile') }}
          restore-keys: ${{ runner.os }}-buildx-${{ matrix.addon }}-

      - name: 🔖 Create addon image tags
        id: tags
        shell: bash
        run: |
          imagetemplate=${{ steps.information.outputs.image }}
          version=${{ steps.information.outputs.version }}
          echo "Using imagetemplate '$imagetemplate'"
          echo "::set-output name=armhf::${imagetemplate/\{arch\}/armhf}:${version}"
          echo "::set-output name=armv7::${imagetemplate/\{arch\}/armv7}:${version}"
          echo "::set-output name=aarch64::${imagetemplate/\{arch\}/aarch64}:${version}"
          echo "::set-output name=amd64::${imagetemplate/\{arch\}/amd64}:${version}"
          echo "::set-output name=i386::${imagetemplate/\{arch\}/i386}:${version}"

      - name: 🏷️ Create addon labels
        id: labels
        shell: bash
        run: |
          labels="io.hass.version=${{ steps.information.outputs.version }}"
          labels=$(printf "$labels\nio.hass.name=${{ steps.information.outputs.name }}")
          labels=$(printf "$labels\nio.hass.description=${{ steps.information.outputs.description }}")
          labels=$(printf "$labels\nio.hass.type=addon")
          labels=$(printf "$labels\nio.hass.url=${GITHUB_SERVER_URL}/${GITHUB_REPOSITORY}/tree/master/${{ matrix.addon }}")

          labels=$(printf "$labels\norg.opencontainers.image.title=${{ steps.information.outputs.name }}")
          labels=$(printf "$labels\norg.opencontainers.image.description=${{ steps.information.outputs.description }}")
          labels=$(printf "$labels\norg.opencontainers.image.version=${{ steps.information.outputs.version }}")
          labels=$(printf "$labels\norg.opencontainers.image.authors=Poeschl <Poeschl@users.noreply.github.com>")
          labels=$(printf "$labels\norg.opencontainers.image.url=${GITHUB_SERVER_URL}/${GITHUB_REPOSITORY}")
          labels=$(printf "$labels\norg.opencontainers.image.source=${GITHUB_SERVER_URL}/${GITHUB_REPOSITORY}/tree/master/${{ matrix.addon }}")
          labels=$(printf "$labels\norg.opencontainers.image.created=$(date -Is)")
          labels=$(printf "$labels\norg.opencontainers.image.revision=${GITHUB_SHA}")

          echo "Generic labels: $labels"

          armhf_labels=$(printf "$labels\nio.hass.arch=armhf")
          armv7_labels=$(printf "$labels\nio.hass.arch=armv7")
          aarch64_labels=$(printf "$labels\nio.hass.arch=aarch64")
          amd64_labels=$(printf "$labels\nio.hass.arch=amd64")
          i386_labels=$(printf "$labels\nio.hass.arch=i386")

          # allow multiline outputs, see https://github.community/t/set-output-truncates-multiline-strings/16852
          armhf_labels="${armhf_labels//$'\n'/'%0A'}"
          armv7_labels="${armv7_labels//$'\n'/'%0A'}"
          aarch64_labels="${aarch64_labels//$'\n'/'%0A'}"
          amd64_labels="${amd64_labels//$'\n'/'%0A'}"
          i386_labels="${i386_labels//$'\n'/'%0A'}"

          echo "::set-output name=armhf::$armhf_labels"
          echo "::set-output name=armv7::$armv7_labels"
          echo "::set-output name=aarch64::$aarch64_labels"
          echo "::set-output name=amd64::$amd64_labels"
          echo "::set-output name=i386::$i386_labels"

      - name: 💽 Create addon build-args
        id: build_args
        shell: bash
        run: |
          echo "::set-output name=armhf::BUILD_FROM=$(jq -r '.build_from.armhf // empty' ${{ steps.information.outputs.build }})"
          echo "::set-output name=armv7::BUILD_FROM=$(jq -r '.build_from.armv7 // empty' ${{ steps.information.outputs.build }})"
          echo "::set-output name=aarch64::BUILD_FROM=$(jq -r '.build_from.aarch64  // empty' ${{ steps.information.outputs.build }})"
          echo "::set-output name=amd64::BUILD_FROM=$(jq -r '.build_from.amd64  // empty' ${{ steps.information.outputs.build }})"
          echo "::set-output name=i386::BUILD_FROM=$(jq -r '.build_from.i386  // empty' ${{ steps.information.outputs.build }})"

      - name: 🏗️ Set up QEMU
        uses: docker/setup-qemu-action@v1

      - name: 🏗️ Set up Docker Buildx
        uses: docker/setup-buildx-action@v1
     
      - name: 💿 Build Addon - armhf
        if: ${{ steps.information.outputs.armhf == 'true' }}
        uses: docker/build-push-action@v2
        with:
          context: ${{ matrix.addon }}
          push: false
          load: true
          file: ${{ matrix.addon }}/Dockerfile
          tags: ${{ steps.tags.outputs.armhf }}
          labels: |
            ${{ steps.labels.outputs.armhf }}
          build-args: ${{ steps.build_args.outputs.armhf }}
          cache-from: type=local,src=/tmp/buildx-cache/armhf
          cache-to: type=local,dest=/tmp/buildx-cache-new/armhf

      - name: 💿 Build Addon - armv7
        if: ${{ steps.information.outputs.armv7 == 'true' }}
        uses: docker/build-push-action@v2
        with:
          context: ${{ matrix.addon }}
          push: false
          load: true
          file: ${{ matrix.addon }}/Dockerfile
          tags: ${{ steps.tags.outputs.armv7 }}
          labels: |
            ${{ steps.labels.outputs.armv7 }}
          build-args: ${{ steps.build_args.outputs.armv7 }}
          cache-from: type=local,src=/tmp/buildx-cache/armv7
          cache-to: type=local,dest=/tmp/buildx-cache-new/armv7

      - name: 💿 Build Addon - aarch64
        if: ${{ steps.information.outputs.aarch64 == 'true' }}
        uses: docker/build-push-action@v2
        with:
          context: ${{ matrix.addon }}
          push: false
          load: true
          file: ${{ matrix.addon }}/Dockerfile
          tags: ${{ steps.tags.outputs.aarch64 }}
          labels: |
            ${{ steps.labels.outputs.aarch64 }}
          build-args: ${{ steps.build_args.outputs.aarch64 }}
          cache-from: type=local,src=/tmp/buildx-cache/aarch64
          cache-to: type=local,dest=/tmp/buildx-cache-new/aarch64

      - name: 💿 Build Addon - amd64
        if: ${{ steps.information.outputs.amd64 == 'true' }}
        uses: docker/build-push-action@v2
        with:
          context: ${{ matrix.addon }}
          push: false
          load: true
          file: ${{ matrix.addon }}/Dockerfile
          tags: ${{ steps.tags.outputs.amd64 }}
          labels: |
            ${{ steps.labels.outputs.amd64 }}
          build-args: ${{ steps.build_args.outputs.amd64 }}
          cache-from: type=local,src=/tmp/buildx-cache/amd64
          cache-to: type=local,dest=/tmp/buildx-cache-new/amd64
      
      - name: 💿 Build Addon - i386
        if: ${{ steps.information.outputs.i386 == 'true' }}
        uses: docker/build-push-action@v2
        with:
          context: ${{ matrix.addon }}
          push: false
          load: true
          file: ${{ matrix.addon }}/Dockerfile
          tags: ${{ steps.tags.outputs.i386 }}
          labels: |
            ${{ steps.labels.outputs.i386 }}
          build-args: ${{ steps.build_args.outputs.i386 }}
          cache-from: type=local,src=/tmp/buildx-cache/i386
          cache-to: type=local,dest=/tmp/buildx-cache-new/i386

      # Fix for https://github.com/docker/build-push-action/issues/252
      - name: 🗄️ Update cache Folder
        run: |
          rm -rf /tmp/buildx-cache
          mv /tmp/buildx-cache-new /tmp/buildx-cache

      - name: 🔑 GHCR Login
        uses: docker/login-action@v1.8.0
        with:
          registry: ghcr.io
          username: ${{ github.repository_owner }}
          password: ${{ secrets.CR_PAT }}

      - name: 🚀 Push images
        shell: bash
        run: |
          if [ "${{ steps.information.outputs.armhf }}" = 'true' ]; then
            docker push ${{ steps.tags.outputs.armhf }}
          fi

          if [ "${{ steps.information.outputs.armv7 }}" = 'true' ]; then
            docker push ${{ steps.tags.outputs.armv7 }}
          fi

          if [ "${{ steps.information.outputs.aarch64 }}" = 'true' ]; then
            docker push ${{ steps.tags.outputs.aarch64 }}
          fi

          if [ "${{ steps.information.outputs.amd64 }}" = 'true' ]; then
            docker push ${{ steps.tags.outputs.amd64 }}
          fi

          if [ "${{ steps.information.outputs.i386 }}" = 'true' ]; then
            docker push ${{ steps.tags.outputs.i386 }}
          fi