name: Build & Push Docker Image to GHCR

on:
  push:
    branches: [master]

env:
  REGISTRY: ghcr.io
  IMAGE_NAME: kroonk/photography

jobs:
  build-and-push:
    runs-on: ubuntu-latest
    steps:
      - name: Checkout
        uses: actions/checkout@v4

      - name: Install Docker CLI
        shell: sh
        run: |
          if ! command -v docker >/dev/null 2>&1; then
            echo "Docker CLI not found. Installing static binary..."
            if command -v curl >/dev/null 2>&1; then
              curl -fsSL https://download.docker.com/linux/static/stable/x86_64/docker-26.1.4.tgz | tar -xz -C /usr/local/bin --strip-components=1 docker/docker
            elif command -v wget >/dev/null 2>&1; then
              wget -qO- https://download.docker.com/linux/static/stable/x86_64/docker-26.1.4.tgz | tar -xz -C /usr/local/bin --strip-components=1 docker/docker
            else
              echo "Neither curl nor wget found! Attempting package manager install..."
              if command -v apt-get >/dev/null 2>&1; then
                apt-get update && apt-get install -y docker.io
              elif command -v apk >/dev/null 2>&1; then
                apk add --no-cache docker-cli
              else
                echo "Cannot install Docker CLI!"
                exit 1
              fi
            fi
          else
            echo "Docker CLI already installed."
          fi
          docker --version

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

      - name: Build and push Docker image
        shell: sh
        run: |
          docker build -t ghcr.io/kroonk/photography:latest -t ghcr.io/kroonk/photography:${{ github.sha }} .
          docker push ghcr.io/kroonk/photography:latest
          docker push ghcr.io/kroonk/photography:${{ github.sha }}