name: Build and Push Docker Image

on:
  push:
    branches:
      - main
      - 'feature/serverless-*'  # Build development images for serverless features
  pull_request:
    branches:
      - main
  workflow_dispatch:

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

jobs:
  build-and-push:
    runs-on: ubuntu-latest
    permissions:
      contents: read
      packages: write
      id-token: write

    steps:
      - name: Checkout repository
        uses: actions/checkout@v6

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

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

      - name: Extract metadata (tags, labels)
        id: meta
        uses: docker/metadata-action@v5
        with:
          images: ${{ env.REGISTRY }}/${{ env.IMAGE_NAME }}
          tags: |
            type=ref,event=branch
            type=ref,event=pr
            type=sha,prefix=sha-
            type=raw,value=latest,enable={{is_default_branch}}
            # Development tags for serverless features
            type=raw,value=2.0.0-dev,enable=${{ github.ref == 'refs/heads/feature/serverless-2.0.0' }}

      - name: Build and push Docker image
        uses: docker/build-push-action@v6
        with:
          context: .
          push: ${{ github.event_name != 'pull_request' }}
          tags: ${{ steps.meta.outputs.tags }}
          labels: ${{ steps.meta.outputs.labels }}
          cache-from: type=gha
          cache-to: type=gha,mode=max
          platforms: linux/amd64

  # Build routing proxy image for serverless features
  build-routing-proxy:
    runs-on: ubuntu-latest
    # Only build routing proxy for serverless feature branches
    if: github.ref == 'refs/heads/feature/serverless-2.0.0' && github.event_name != 'pull_request'
    permissions:
      contents: read
      packages: write
      id-token: write

    steps:
      - name: Checkout repository
        uses: actions/checkout@v6

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

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

      - name: Extract metadata for routing proxy
        id: meta-proxy
        uses: docker/metadata-action@v5
        with:
          images: ${{ env.REGISTRY }}/cpfarhood/devcontainer-routing-proxy
          tags: |
            type=raw,value=latest
            type=raw,value=2.0.0-dev
            type=sha,prefix=sha-

      - name: Build and push routing proxy image
        uses: docker/build-push-action@v6
        with:
          context: ./serverless/routing-proxy
          push: true
          tags: ${{ steps.meta-proxy.outputs.tags }}
          labels: ${{ steps.meta-proxy.outputs.labels }}
          cache-from: type=gha
          cache-to: type=gha,mode=max
          platforms: linux/amd64