name: Build & Push Friends Image to Gitea Registry

on:
  push:
    branches: [main]

env:
  REGISTRY: git.mischlabs.de
  REGISTRY_USER: MrDiderot
  REGISTRY_IMAGE: git.mischlabs.de/mrdiderot/friends

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!"
              exit 1
            fi
          fi
          docker --version

      - name: Log in to Gitea Package Registry
        shell: sh
        run: |
          if [ -z "${{ secrets.REGISTRY_TOKEN }}" ]; then
            echo "Missing REGISTRY_TOKEN secret."
            exit 1
          fi
          echo "${{ secrets.REGISTRY_TOKEN }}" | docker login "${{ env.REGISTRY }}" -u "${{ env.REGISTRY_USER }}" --password-stdin

      - name: Build and push Docker image
        shell: sh
        run: |
          docker build \
            -t ${{ env.REGISTRY_IMAGE }}:latest \
            -t ${{ env.REGISTRY_IMAGE }}:${{ github.sha }} \
            .
          docker push ${{ env.REGISTRY_IMAGE }}:latest
          docker push ${{ env.REGISTRY_IMAGE }}:${{ github.sha }}