name: Build Docker Image

on:
  push:
    branches: [master]
  pull_request:
    branches: [master]

env:
  REGISTRY: ghcr.io
  IMAGE_NAME: ${{ github.repository_owner != '' && format('{0}', github.repository) || github.repository }}

jobs:
  build:
    runs-on: ubuntu-latest

    permissions:
      contents: read
      packages: write

    steps:
      - name: Checkout
        uses: actions/checkout@v4

      - name: Lowercase image name
        run: echo "IMAGE_NAME=${IMAGE_NAME,,}" >> $GITHUB_ENV

      - name: Set up QEMU
        uses: docker/setup-qemu-action@v3

      - 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
        id: meta
        uses: docker/metadata-action@v5
        with:
          images: ${{ env.REGISTRY }}/${{ env.IMAGE_NAME }}
          tags: |
            type=sha
            type=raw,value=latest,enable={{is_default_branch}}

      - name: Build and push
        uses: docker/build-push-action@v6
        with:
          context: .
          push: ${{ github.event_name != 'pull_request' }}
          tags: ${{ steps.meta.outputs.tags }}
          labels: ${{ steps.meta.outputs.labels }}
          platforms: linux/arm64
          provenance: false
          build-args: |
            VITE_DRUPAL_BASE_URL=${{ vars.VITE_DRUPAL_BASE_URL }}
            VITE_DRUPAL_API_PREFIX=${{ vars.VITE_DRUPAL_API_PREFIX }}
          cache-from: type=gha
          cache-to: type=gha,mode=max

  deploy:
    needs: build
    runs-on: ubuntu-latest
    if: github.event_name != 'pull_request' && github.ref == 'refs/heads/master'

    steps:
      - name: Checkout
        uses: actions/checkout@v4

      - name: Lowercase image name
        run: echo "IMAGE_NAME=${IMAGE_NAME,,}" >> $GITHUB_ENV

      - name: Setup SSH key for Docker context
        env:
          DEPLOY_HOST: ${{ secrets.DEPLOY_HOST }}
          DEPLOY_USER: ${{ secrets.DEPLOY_USER }}
          DEPLOY_PORT: ${{ secrets.DEPLOY_PORT || 22 }}
        run: |
          mkdir -p ~/.ssh
          echo "${{ secrets.DEPLOY_SSH_KEY }}" > ~/.ssh/deploy_key
          chmod 600 ~/.ssh/deploy_key
          ssh-keyscan -H $DEPLOY_HOST >> ~/.ssh/known_hosts
          
          # Create SSH config to use only the specific key and prevent trying multiple auth methods
          cat > ~/.ssh/config << EOF
          Host deploy-target
            HostName $DEPLOY_HOST
            User $DEPLOY_USER
            Port $DEPLOY_PORT
            IdentityFile ~/.ssh/deploy_key
            IdentitiesOnly yes
            PubkeyAuthentication yes
            PasswordAuthentication no
          EOF
          chmod 600 ~/.ssh/config
          
          # Test the connection
          ssh -o BatchMode=yes deploy-target "echo 'SSH connection successful'"

      - name: Create Docker context
        run: |
          docker context create remote --docker "host=ssh://deploy-target"
          docker context use remote
          docker context ls

      - name: Log in to GitHub Container Registry on remote
        run: |
          echo "${{ secrets.GITHUB_TOKEN }}" | docker --context remote login ${{ env.REGISTRY }} -u ${{ github.actor }} --password-stdin

      - name: Deploy stack to remote server
        env:
          IMAGE_NAME: ${{ env.REGISTRY }}/${{ env.IMAGE_NAME }}:latest
          STACK_NAME: astro-blog-site
          PORTFOLIO_HOST: ${{ vars.PORTFOLIO_HOST }}
          TRAEFIK_NETWORK: ${{ vars.TRAEFIK_NETWORK }}
          TRAEFIK_ENTRYPOINTS: ${{ vars.TRAEFIK_ENTRYPOINTS }}
        run: |
          # Deploy the stack using the remote context
          docker --context remote stack deploy -c docker-stack.yml --with-registry-auth $STACK_NAME

          # Wait for services to be ready
          sleep 10

          # Display stack services status
          docker --context remote stack services $STACK_NAME