name: Build and Push Docker Image

on:
  workflow_dispatch:
    inputs:
      tag_name:
        description: "Custom tag name for the Docker image (comma-separated for multiple tags, e.g. latest,release-1.8.0)"
        required: false
        default: ""
      registry:
        description: "Docker registry to push to"
        required: true
        default: "ghcr"
        type: choice
        options:
          - "ghcr"
          - "dockerhub"
          - "both"

jobs:
  build:
    runs-on: blacksmith-4vcpu-ubuntu-2404
    steps:
      - name: Checkout repository
        uses: actions/checkout@v5
        with:
          fetch-depth: 1

      - name: Set up QEMU
        uses: docker/setup-qemu-action@v3
        with:
          platforms: arm64,arm/v7,arm/v6

      - name: Setup Blacksmith Builder
        uses: useblacksmith/setup-docker-builder@v1

      - name: Cache npm dependencies
        uses: actions/cache@v4
        with:
          path: |
            ~/.npm
            node_modules
            */*/node_modules
          key: ${{ runner.os }}-node-${{ hashFiles('**/package-lock.json') }}
          restore-keys: |
            ${{ runner.os }}-node-

      - name: Cache Docker layers
        uses: actions/cache@v4
        with:
          path: /tmp/.buildx-cache
          key: ${{ runner.os }}-buildx-${{ github.ref_name }}-${{ hashFiles('docker/Dockerfile') }}
          restore-keys: |
            ${{ runner.os }}-buildx-${{ github.ref_name }}-
            ${{ runner.os }}-buildx-

      - name: Login to GitHub Container Registry
        if: ${{ github.event.inputs.registry == 'ghcr' || github.event.inputs.registry == 'both' }}
        uses: docker/login-action@v3
        with:
          registry: ghcr.io
          username: lukegus
          password: ${{ secrets.GHCR_TOKEN }}

      - name: Login to Docker Hub
        if: ${{ github.event.inputs.registry == 'dockerhub' || github.event.inputs.registry == 'both' }}
        uses: docker/login-action@v3
        with:
          username: bugattiguy527
          password: ${{ secrets.DOCKERHUB_TOKEN }}

      - name: Determine Docker image tags
        id: vars
        run: |
          if [ "${{ github.event.inputs.tag_name }}" != "" ]; then
            IFS=',' read -ra RAW_TAGS <<< "${{ github.event.inputs.tag_name }}"
            TAGS=()
            for t in "${RAW_TAGS[@]}"; do
              tt="$(echo "$t" | sed -e 's/^[[:space:]]*//' -e 's/[[:space:]]*$//')"
              if [ -n "$tt" ]; then
                TAGS+=("$tt")
              fi
            done
          elif [ "${{ github.ref }}" == "refs/heads/main" ]; then
            TAGS=("latest")
          elif [ "${{ github.ref }}" == "refs/heads/development" ]; then
            TAGS=("development-latest")
          else
            TAGS=("${{ github.ref_name }}")
          fi

          TAG_STR=""
          for tag in "${TAGS[@]}"; do
            if [ "${{ github.event.inputs.registry }}" == "ghcr" ]; then
              TAG_STR+="ghcr.io/lukegus/termix:${tag} "
            elif [ "${{ github.event.inputs.registry }}" == "dockerhub" ]; then
              TAG_STR+="docker.io/bugattiguy527/termix:${tag} "
            else
              TAG_STR+="ghcr.io/lukegus/termix:${tag} docker.io/bugattiguy527/termix:${tag} "
            fi
          done
          echo "ALL_TAGS=$TAG_STR" >> $GITHUB_ENV
          echo "TAGS: $TAG_STR"

      - name: Build and Push Multi-Arch Docker Image
        uses: useblacksmith/build-push-action@v2
        with:
          context: .
          file: ./docker/Dockerfile
          push: true
          platforms: linux/amd64,linux/arm64,linux/arm/v7,linux/arm/v6
          tags: ${{ env.ALL_TAGS }}
          labels: |
            org.opencontainers.image.source=https://github.com/${{ github.repository }}
            org.opencontainers.image.revision=${{ github.sha }}
          build-args: |
            BUILDKIT_INLINE_CACHE=1
            BUILDKIT_CONTEXT_KEEP_GIT_DIR=1
          outputs: type=registry,compression=zstd,compression-level=19

      - name: Cleanup Docker Images Locally
        if: always()
        run: |
          docker image prune -af
          docker system prune -af --volumes