name: Wavelog create Dockerimage and publish it

on:
  release:
    types: [published]
  workflow_dispatch:

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

jobs:
  prepare:
    runs-on: ubuntu-latest
    outputs:
      image_name: ${{ steps.lowercase.outputs.image_name }}
    steps:
    - name: Set lowercase image name
      id: lowercase
      run: echo "image_name=$(echo '${{ env.IMAGE_NAME }}' | tr '[:upper:]' '[:lower:]')" >> $GITHUB_OUTPUT

  build-amd64:
    runs-on: ubuntu-latest
    needs: prepare
    permissions:
      contents: read
      packages: write
    outputs:
      digest: ${{ steps.build.outputs.digest }}
    steps:
    - uses: actions/checkout@v6
    - name: Login to GitHub Container Registry
      uses: docker/login-action@v3
      with:
        registry: ghcr.io
        username: ${{ github.actor }}
        password: ${{ secrets.GITHUB_TOKEN }}
    - name: Docker meta
      id: meta
      uses: docker/metadata-action@v5
      with:
        images: ${{ env.REGISTRY }}/${{ needs.prepare.outputs.image_name }}
    - name: Set up Docker Buildx
      uses: docker/setup-buildx-action@v3
    - name: Build and push (amd64)
      id: build
      uses: docker/build-push-action@v6
      with:
        context: .
        platforms: linux/amd64
        outputs: type=image,name=${{ env.REGISTRY }}/${{ needs.prepare.outputs.image_name }},push-by-digest=true,name-canonical=true,push=true
        labels: ${{ steps.meta.outputs.labels }}

  build-arm64:
    runs-on: ubuntu-latest
    needs: prepare
    permissions:
      contents: read
      packages: write
    outputs:
      digest: ${{ steps.build.outputs.digest }}
    steps:
    - uses: actions/checkout@v6
    - name: Login to GitHub Container Registry
      uses: docker/login-action@v3
      with:
        registry: ghcr.io
        username: ${{ github.actor }}
        password: ${{ secrets.GITHUB_TOKEN }}
    - name: Docker meta
      id: meta
      uses: docker/metadata-action@v5
      with:
        images: ${{ env.REGISTRY }}/${{ needs.prepare.outputs.image_name }}
    - name: Set up QEMU
      uses: docker/setup-qemu-action@v3
    - name: Set up Docker Buildx
      uses: docker/setup-buildx-action@v3
    - name: Build and push (arm64)
      id: build
      uses: docker/build-push-action@v6
      with:
        context: .
        platforms: linux/arm64
        outputs: type=image,name=${{ env.REGISTRY }}/${{ needs.prepare.outputs.image_name }},push-by-digest=true,name-canonical=true,push=true
        labels: ${{ steps.meta.outputs.labels }}

  build-armv7:
    runs-on: ubuntu-latest
    needs: prepare
    permissions:
      contents: read
      packages: write
    outputs:
      digest: ${{ steps.build.outputs.digest }}
    steps:
    - uses: actions/checkout@v6
    - name: Login to GitHub Container Registry
      uses: docker/login-action@v3
      with:
        registry: ghcr.io
        username: ${{ github.actor }}
        password: ${{ secrets.GITHUB_TOKEN }}
    - name: Docker meta
      id: meta
      uses: docker/metadata-action@v5
      with:
        images: ${{ env.REGISTRY }}/${{ needs.prepare.outputs.image_name }}
    - name: Set up QEMU
      uses: docker/setup-qemu-action@v3
    - name: Set up Docker Buildx
      uses: docker/setup-buildx-action@v3
    - name: Build and push (arm/v7)
      id: build
      uses: docker/build-push-action@v6
      with:
        context: .
        platforms: linux/arm/v7
        outputs: type=image,name=${{ env.REGISTRY }}/${{ needs.prepare.outputs.image_name }},push-by-digest=true,name-canonical=true,push=true
        labels: ${{ steps.meta.outputs.labels }}

  merge:
    runs-on: ubuntu-latest
    needs:
      - prepare
      - build-amd64
      - build-arm64
      - build-armv7
    permissions:
      contents: read
      packages: write
    steps:
    - name: Login to GitHub Container Registry
      uses: docker/login-action@v3
      with:
        registry: ghcr.io
        username: ${{ github.actor }}
        password: ${{ secrets.GITHUB_TOKEN }}
    - name: Docker meta
      id: meta
      uses: docker/metadata-action@v5
      with:
        images: ${{ env.REGISTRY }}/${{ needs.prepare.outputs.image_name }}
    - name: Set up Docker Buildx
      uses: docker/setup-buildx-action@v3
    - name: Create and push multi-arch manifest
      run: |
        docker buildx imagetools create \
          $(jq -cr '.tags | map("-t " + .) | join(" ")' <<< "$DOCKER_METADATA_OUTPUT_JSON") \
          ${{ env.REGISTRY }}/${{ needs.prepare.outputs.image_name }}@${{ needs.build-amd64.outputs.digest }} \
          ${{ env.REGISTRY }}/${{ needs.prepare.outputs.image_name }}@${{ needs.build-arm64.outputs.digest }} \
          ${{ env.REGISTRY }}/${{ needs.prepare.outputs.image_name }}@${{ needs.build-armv7.outputs.digest }}