name: Update Docker Hub images

on:
  release:
    types:
      - published

jobs:
  build:
    name: Update Docker Hub images
    runs-on: ubuntu-20.04

    steps:
      - name: Set up Docker Buildx
        uses: docker/setup-buildx-action@v2

      - name: Login to DockerHub
        uses: docker/login-action@v2
        with:
          username: ${{ secrets.DOCKERHUB_USERNAME }}
          password: ${{ secrets.DOCKERHUB_TOKEN }}

      - name: Clone pmmp/PocketMine-Docker repository
        uses: actions/checkout@v3
        with:
          repository: pmmp/PocketMine-Docker
          fetch-depth: 1

      - name: Get tag names
        id: tag-name
        run: |
          VERSION=$(echo "${{ github.ref }}" | sed 's{^refs/tags/{{')
          echo ::set-output name=TAG_NAME::$VERSION
          echo ::set-output name=MAJOR::$(echo $VERSION | cut -d. -f1)
          echo ::set-output name=MINOR::$(echo $VERSION | cut -d. -f1-2)

      - name: Download new release information
        run: curl -f -L ${{ github.server_url }}/${{ github.repository }}/releases/download/${{ steps.tag-name.outputs.TAG_NAME }}/build_info.json -o new_build_info.json

      - name: Detect channel
        id: channel
        run: echo ::set-output name=CHANNEL::$(jq -r '.channel' new_build_info.json)

      - name: Get name of Docker repository name
        id: docker-repo-name
        run: echo ::set-output name=NAME::$(echo "${GITHUB_REPOSITORY,,}")

      - name: Build image for tag
        uses: docker/build-push-action@v3.0.0
        with:
          push: true
          context: ./pocketmine-mp
          tags: |
            ${{ steps.docker-repo-name.outputs.NAME }}:${{ steps.tag-name.outputs.TAG_NAME }}
#            ghcr.io/${{ steps.docker-repo-name.outputs.NAME }}:${{ steps.tag-name.outputs.TAG_NAME }}
          build-args: |
            PMMP_TAG=${{ steps.tag-name.outputs.TAG_NAME }}
            PMMP_REPO=${{ github.repository }}

      - name: Build image for major tag
        if: steps.channel.outputs.CHANNEL == 'stable'
        uses: docker/build-push-action@v3.0.0
        with:
          push: true
          context: ./pocketmine-mp
          tags: |
            ${{ steps.docker-repo-name.outputs.NAME }}:${{ steps.tag-name.outputs.MAJOR }}
#            ghcr.io/${{ steps.docker-repo-name.outputs.NAME }}:${{ steps.tag-name.outputs.MAJOR }}
          build-args: |
            PMMP_TAG=${{ steps.tag-name.outputs.TAG_NAME }}
            PMMP_REPO=${{ github.repository }}

      - name: Build image for minor tag
        if: steps.channel.outputs.CHANNEL == 'stable'
        uses: docker/build-push-action@v3.0.0
        with:
          push: true
          context: ./pocketmine-mp
          tags: |
            ${{ steps.docker-repo-name.outputs.NAME }}:${{ steps.tag-name.outputs.MINOR }}
#            ghcr.io/${{ steps.docker-repo-name.outputs.NAME }}:${{ steps.tag-name.outputs.MINOR }}
          build-args: |
            PMMP_TAG=${{ steps.tag-name.outputs.TAG_NAME }}
            PMMP_REPO=${{ github.repository }}

      - name: Build image for latest tag
        if: steps.channel.outputs.CHANNEL == 'stable'
        uses: docker/build-push-action@v3.0.0
        with:
          push: true
          context: ./pocketmine-mp
          tags: |
            ${{ steps.docker-repo-name.outputs.NAME }}:latest
#            ghcr.io/${{ steps.docker-repo-name.outputs.NAME }}:latest
          build-args: |
            PMMP_TAG=${{ steps.tag-name.outputs.TAG_NAME }}
            PMMP_REPO=${{ github.repository }}