name: Build and Push Docker Image

on:
  push:
  pull_request:
  workflow_dispatch:

env:
  REGISTRY: ghcr.io
  IMAGE_NAME: excalidraw-complete
  OWNER: betterandbetterii

jobs:
  build-frontend:
    runs-on: ubuntu-latest
    steps:
      - name: Checkout repository
        uses: actions/checkout@v4
        with:
          submodules: recursive

      - name: Apply frontend patch
        run: |
          cd excalidraw
          git apply ../frontend.patch

      - name: Build frontend
        run: |
          docker build -t excalidraw-ui-build excalidraw -f ui-build.Dockerfile
          docker run -v ${PWD}/:/pwd/ excalidraw-ui-build cp -r /frontend /pwd

      - name: Upload frontend artifact
        uses: actions/upload-artifact@v4
        with:
          name: frontend
          path: frontend/

  build-and-push:
    needs: build-frontend
    runs-on: ubuntu-latest
    permissions:
      contents: read
      packages: write

    steps:
      - name: Checkout repository
        uses: actions/checkout@v4
        with:
          submodules: recursive

      - name: Download frontend artifact
        uses: actions/download-artifact@v4
        with:
          name: frontend
          path: frontend/

      - name: Log in to Container Registry
        uses: docker/login-action@v3
        with:
          registry: ${{ env.REGISTRY }}
          username: ${{ github.actor }}
          password: ${{ secrets.GITHUB_TOKEN }}

      - name: Extract metadata
        id: meta
        uses: docker/metadata-action@v5
        with:
          images: ${{ env.REGISTRY }}/${{ env.IMAGE_NAME }}
          tags: |
            type=ref,event=branch
            type=ref,event=pr
            type=semver,pattern={{version}}
            type=semver,pattern={{major}}.{{minor}}
            type=raw,value=latest,enable={{is_default_branch}}

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

      - name: Build and push Docker image
        uses: docker/build-push-action@v5
        with:
          context: .
          file: ./excalidraw-complete.Dockerfile
          push: true
          tags: ${{ steps.meta.outputs.tags }},latest
          cache-from: type=registry,ref=${{ env.REGISTRY }}/${{ env.OWNER }}/${{ env.IMAGE_NAME }}:buildcache
          cache-to: type=registry,ref=${{ env.REGISTRY }}/${{ env.OWNER }}/${{ env.IMAGE_NAME }}:buildcache,mode=max