name: Publish Docker Image

on:
  push:
    branches:
      - main
      - dev
  workflow_dispatch:
    inputs:
      image_repository:
        description: "Docker image repository to publish to"
        required: false
        default: "pymcdev/pymc-repeater"

jobs:
  docker:
    if: |
      github.event_name == 'workflow_dispatch' ||
      github.repository == 'pyMC-dev/pyMC_Repeater' ||
      github.repository == 'yellowcooln/pyMC_Repeater'
    runs-on: ubuntu-latest
    permissions:
      contents: read

    steps:
      - name: Checkout
        uses: actions/checkout@v4
        with:
          fetch-depth: 0

      - name: Set up QEMU
        uses: docker/setup-qemu-action@v3

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

      - name: Set up Python
        uses: actions/setup-python@v5
        with:
          python-version: "3.12"

      - name: Compute package version
        id: package_version
        run: |
          python -m pip install --disable-pip-version-check setuptools_scm
          version="$(python -m setuptools_scm)"
          echo "version=${version}" >> "$GITHUB_OUTPUT"

      - name: Log in to Docker Hub
        uses: docker/login-action@v3
        with:
          username: ${{ secrets.DOCKERHUB_USERNAME }}
          password: ${{ secrets.DOCKERHUB_TOKEN }}

      - name: Determine image repository
        id: image_repo
        shell: bash
        run: |
          if [ "${{ github.event_name }}" = "workflow_dispatch" ] && [ -n "${{ inputs.image_repository }}" ]; then
            image_repository="${{ inputs.image_repository }}"
          elif [ "${{ github.repository }}" = "yellowcooln/pyMC_Repeater" ]; then
            image_repository="yellowcooln/pymc-repeater"
          else
            image_repository="pymcdev/pymc-repeater"
          fi

          echo "Using image repository: ${image_repository}"
          echo "image_repository=${image_repository}" >> "$GITHUB_OUTPUT"

      - name: Extract Docker metadata
        id: meta
        uses: docker/metadata-action@v5
        with:
          images: ${{ steps.image_repo.outputs.image_repository }}
          tags: |
            type=raw,value=main,enable=${{ github.ref == 'refs/heads/main' }}
            type=raw,value=dev,enable=${{ github.ref == 'refs/heads/dev' }}
            type=sha,format=short

      - name: Build and push
        uses: docker/build-push-action@v6
        with:
          context: .
          file: ./dockerfile
          platforms: linux/amd64,linux/arm64
          push: true
          build-args: |
            PACKAGE_VERSION=${{ steps.package_version.outputs.version }}
          tags: ${{ steps.meta.outputs.tags }}
          labels: ${{ steps.meta.outputs.labels }}
          cache-from: type=gha
          cache-to: type=gha,mode=max

      - name: Notify Home Assistant add-on repository
        if: github.repository == 'pyMC-dev/pyMC_Repeater'
        env:
          DISPATCH_TOKEN: ${{ secrets.HA_ADDON_REPO_DISPATCH_TOKEN }}
          CHANNEL: ${{ github.ref_name }}
          REVISION: ${{ github.sha }}
        run: |
          if [ -z "${DISPATCH_TOKEN}" ]; then
            echo "HA_ADDON_REPO_DISPATCH_TOKEN is not set" >&2
            exit 1
          fi

          curl -fsSL \
            -X POST \
            -H "Accept: application/vnd.github+json" \
            -H "Authorization: Bearer ${DISPATCH_TOKEN}" \
            https://api.github.com/repos/pyMC-dev/pyMC-HA-Add-on/dispatches \
            -d "{\"event_type\":\"sync-upstream-channel\",\"client_payload\":{\"channel\":\"${CHANNEL}\",\"revision\":\"${REVISION}\"}}"
