name: Build and Push Docker Image

on:
  push:
    branches:
      - main

jobs:
  build-and-push:
    runs-on: ubuntu-latest
    container:
      image: docker:latest

    steps:
      - name: Debug network configuration
        run: |
          echo "=== Network interfaces and routes ==="
          ip route show 2>/dev/null || route -n

          echo ""
          echo "=== Testing gateway IP directly ==="
          GATEWAY_IP=$(ip route show | grep default | awk '{print $3}')
          echo "Gateway IP: $GATEWAY_IP"

          if timeout 2 sh -c "cat < /dev/null > /dev/tcp/$GATEWAY_IP/2375" 2>/dev/null; then
            echo "✅ Can reach DIND at $GATEWAY_IP:2375"
            echo "DOCKER_HOST=tcp://$GATEWAY_IP:2375" >> $GITHUB_ENV
            export DOCKER_HOST=tcp://$GATEWAY_IP:2375
          else
            echo "❌ Cannot reach gateway at $GATEWAY_IP:2375"
            echo "The DIND container might not be accessible from job containers"
            echo "You may need to configure the runner to use --network=host or expose DIND port on host"
            exit 1
          fi

      - name: Verify Docker connection
        run: |
          docker version

      - name: Checkout repository
        run: |
          apk add --no-cache git
          git clone ${{ github.server_url }}/${{ github.repository }} .
          git checkout ${{ github.sha }}
          ls -la

      - name: Build Docker image
        run: |
          docker build \
            -t forgejo.sivic.me/${{ github.repository }}:latest \
            -t forgejo.sivic.me/${{ github.repository }}:${{ github.sha }} \
            .

      - name: Log in to Forgejo Container Registry
        run: |
          echo "${{ secrets.GITEA_TOKEN }}" | docker login forgejo.sivic.me -u ${{ github.actor }} --password-stdin

      - name: Push Docker images
        run: |
          docker push forgejo.sivic.me/${{ github.repository }}:latest
          docker push forgejo.sivic.me/${{ github.repository }}:${{ github.sha }}

      - name: Summary
        run: |
          echo "✅ Successfully built and pushed:"
          echo "  - forgejo.sivic.me/${{ github.repository }}:latest"
          echo "  - forgejo.sivic.me/${{ github.repository }}:${{ github.sha }}"