name: Build and Publish Docker Image

on:
  workflow_dispatch:  # Manual trigger
  push:
    branches: [ dev ]
    paths-ignore:
      - 'README.md'
      - '**.md'
      - '.github/workflows/**'          
  # This will make the workflow run after the version bump workflow completes
  workflow_run:
    workflows: ["Version Bump"]
    branches: [main, master]
    types: 
      - completed

jobs:
  build-and-push:
    # Only run if the triggering workflow succeeded or if this was triggered directly
    if: ${{ github.event.workflow_run.conclusion == 'success' || github.event_name != 'workflow_run' }}
    runs-on: ubuntu-latest
    permissions:
      contents: read
      packages: write  # Required to push to GitHub Container Registry    
    
    steps:
      - name: Checkout code
        uses: actions/checkout@v4
        with:
          ref: ${{ github.ref }}  # Checkout the branch that triggered the workflow
          fetch-depth: 0  # Fetch all history for all tags and branches
      
      - name: Check branch
        id: check-branch
        run: |
          BRANCH_NAME="${GITHUB_REF#refs/heads/}"
          echo "BRANCH_NAME=${BRANCH_NAME}" >> $GITHUB_OUTPUT
          
          if [[ "$BRANCH_NAME" == "dev" ]]; then
            echo "IS_DEV=true" >> $GITHUB_OUTPUT
          else
            echo "IS_DEV=false" >> $GITHUB_OUTPUT
          fi
      
      - name: Set up QEMU
        uses: docker/setup-qemu-action@v3
        with:
          platforms: linux/amd64,linux/arm64,linux/arm/v7
      
      - name: Set up Docker Buildx
        uses: docker/setup-buildx-action@v3
      
      - name: Generate version info
        id: version
        run: |
          # Get the version from package.json
          PACKAGE_VERSION=$(node -p "require('./package.json').version")
          
          # Generate date-based tag
          DATE_TAG=$(date +'%Y%m%d')
          
          # Get commit count for additional uniqueness
          COMMIT_COUNT=$(git rev-list --count HEAD)
          
          echo "PACKAGE_VERSION=${PACKAGE_VERSION}" >> $GITHUB_OUTPUT
          echo "DATE_TAG=${DATE_TAG}" >> $GITHUB_OUTPUT
          echo "COMMIT_COUNT=${COMMIT_COUNT}" >> $GITHUB_OUTPUT
      
      - name: Log in to Docker Hub
        uses: docker/login-action@v3
        with:
          username: ${{ secrets.DOCKER_USERNAME }}
          password: ${{ secrets.DOCKER_PASSWORD }}
      
      - name: Log in to GitHub Container Registry
        uses: docker/login-action@v3
        with:
          registry: ghcr.io
          username: ${{ github.repository_owner }}
          password: ${{ secrets.GITHUB_TOKEN }}
      
      - name: Extract metadata for Docker (Main branch)
        id: meta-main
        if: ${{ steps.check-branch.outputs.IS_DEV == 'false' }}
        uses: docker/metadata-action@v5
        with:
          images: |
            ${{ secrets.DOCKER_USERNAME }}/trafegodns
            ghcr.io/${{ github.repository }}
          tags: |
            # Latest tag for main/master
            type=raw,value=latest,enable=true
            
            # Package version from package.json
            type=raw,value=${{ steps.version.outputs.PACKAGE_VERSION }}
            
            # Date + commit count for all builds
            type=raw,value=${{ steps.version.outputs.DATE_TAG }}.${{ steps.version.outputs.COMMIT_COUNT }}
            
            # Just date for all builds
            type=raw,value=${{ steps.version.outputs.DATE_TAG }}
      
      - name: Extract metadata for Docker (Dev branch)
        id: meta-dev
        if: ${{ steps.check-branch.outputs.IS_DEV == 'true' }}
        uses: docker/metadata-action@v5
        with:
          images: |
            ${{ secrets.DOCKER_USERNAME }}/trafegodns
            ghcr.io/${{ github.repository }}
          tags: |
            # Dev tag
            type=raw,value=dev
            
            # Dev with version
            type=raw,value=dev-${{ steps.version.outputs.PACKAGE_VERSION }}
            
            # Dev with date+commit count
            type=raw,value=dev-${{ steps.version.outputs.DATE_TAG }}.${{ steps.version.outputs.COMMIT_COUNT }}
      
      # Build and push multi-arch Docker image for main/master branch
      - name: Build and push Docker image (Main branch - Multi Architecture)
        if: ${{ steps.check-branch.outputs.IS_DEV == 'false' }}
        uses: docker/build-push-action@v6
        with:
          context: .
          file: ./docker-s6/Dockerfile
          platforms: linux/amd64,linux/arm64,linux/arm/v7
          push: true
          tags: ${{ steps.meta-main.outputs.tags }}
          labels: ${{ steps.meta-main.outputs.labels }}
          cache-from: type=gha
      
      # Build and push x64-only Docker image for dev branch
      - name: Build and push Docker image (Dev branch - x64 only)
        if: ${{ steps.check-branch.outputs.IS_DEV == 'true' }}
        uses: docker/build-push-action@v6
        with:
          context: .
          file: ./docker-s6/Dockerfile
          platforms: linux/amd64
          push: true
          tags: ${{ steps.meta-dev.outputs.tags }}
          labels: ${{ steps.meta-dev.outputs.labels }}
          cache-from: type=gha