name: Build and Push Docker Image

on:
  push:
    branches:
      - main
      - dev
    tags:
      - 'v*'
  pull_request:
    branches:
      - main

jobs:
  build-and-push:
    runs-on: ubuntu-latest

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

      - name: Login to Gitea Container Registry
        run: |
          echo "${{ secrets.REGISTRY_TOKEN }}" | docker login git.avatic.de -u "${{ gitea.actor }}" --password-stdin

      - name: Prepare Docker tags
        id: tags
        run: |
          IMAGE_BASE="git.avatic.de/lcc_public/lcc"
          TAGS=""
          
          # SHA tag (immer)
          TAGS="${TAGS} -t ${IMAGE_BASE}:${{ gitea.sha }}"
          
          # Branch-spezifische Tags
          if [ "${{ gitea.ref_name }}" = "main" ]; then
            TAGS="${TAGS} -t ${IMAGE_BASE}:latest"
            TAGS="${TAGS} -t ${IMAGE_BASE}:main"
          elif [ "${{ gitea.ref_name }}" = "dev" ]; then
            TAGS="${TAGS} -t ${IMAGE_BASE}:dev"
          fi
          
          # Release-Tag (wenn es ein Tag ist)
          if [[ "${{ gitea.ref }}" == refs/tags/* ]]; then
            VERSION="${{ gitea.ref_name }}"
            TAGS="${TAGS} -t ${IMAGE_BASE}:${VERSION}"
          fi
          
          echo "tags=${TAGS}" >> $GITHUB_OUTPUT
          echo "image_base=${IMAGE_BASE}" >> $GITHUB_OUTPUT

      - name: Build Docker image
        run: |
          docker build \
            --build-arg BUILDKIT_INLINE_CACHE=1 \
            ${{ steps.tags.outputs.tags }} \
            .

      - name: Push Docker images
        run: |
          IMAGE_BASE="${{ steps.tags.outputs.image_base }}"
          
          # Push SHA (immer)
          docker push ${IMAGE_BASE}:${{ gitea.sha }}
          
          # Push branch-spezifische Tags
          if [ "${{ gitea.ref_name }}" = "main" ]; then
            docker push ${IMAGE_BASE}:latest
            docker push ${IMAGE_BASE}:main
          elif [ "${{ gitea.ref_name }}" = "dev" ]; then
            docker push ${IMAGE_BASE}:dev
          fi
          
          # Push Release-Tag (wenn vorhanden)
          if [[ "${{ gitea.ref }}" == refs/tags/* ]]; then
            docker push ${IMAGE_BASE}:${{ gitea.ref_name }}
          fi