name: Build Docker Linux ARM64

on:
  push:
    branches:
      - main
      - v0.1.0-beta

jobs:
  build-docker-linux-arm64:
    runs-on: [self-hosted, linux, arm64, docker]
    steps:
      - name: Install packages
        run: apk add --no-cache git curl wget unzip bash nodejs npm docker

      - name: Checkout
        uses: actions/checkout@v4
        
      - name: Setup Docker Buildx
        uses: docker/setup-buildx-action@v3

      - name: Get Repository Name
        id: get_repo
        run: |
          REPO_LC="${GITHUB_REPOSITORY,,}" 
          echo "REPO_LC=$REPO_LC" >> $GITHUB_ENV
          echo "Repo: $REPO_LC"
          
      - name: Build version
        run: |
          git fetch --force --tags
          
          LAST_TAG=$(git describe --tags --abbrev=0 --match "v*")
          DISTANCE=$(git rev-list "${LAST_TAG}"..HEAD --count 2>/dev/null || echo "0")
          
          BASE_VERSION="${LAST_TAG#v}"
          
          # Pre-release-Suffix extrahieren (beta, alpha, etc.)
          if [[ "$BASE_VERSION" == *-* ]]; then
            PRE_RELEASE=$(echo "$BASE_VERSION" | sed 's/.*-/-/')
          else
            PRE_RELEASE=""
          fi
          
          # Nightly-Version bauen
          if [[ "$PRE_RELEASE" == "" ]]; then
          # Stabiles Release: v0.1.0 → v0.1.0-nightly.10
            VERSION="${BASE_VERSION}-nightly.${DISTANCE}"
          else
          # Beta/Alpha: v0.1.0-beta → v0.1.0-beta.10
            VERSION="${BASE_VERSION}.${DISTANCE}"
          fi
          
          echo "VERSION=$VERSION" >> "$GITHUB_ENV"
          echo "ASSEMBLY_VERSION=${VERSION}.0" >> "$GITHUB_ENV"
          echo "FILE_VERSION=${VERSION}.0" >> "$GITHUB_ENV"
          
          echo "Last tag: $LAST_TAG"
          echo "Distance: $DISTANCE"
          echo "Pre-release: $PRE_RELEASE"
          echo "Final version: $VERSION"
          
      - name: Build Linux ARM64 Docker Image
        run: |
          docker build \
            -t gitea.penry.de/${{ env.REPO_LC }}:nightly \
            .
      
      - name: Login to own image registry
        uses: docker/login-action@v3
        with:
          registry: gitea.penry.de
          username: ${{ secrets.REGISTRY_USER }}
          password: ${{ secrets.REGISTRY_PASSWORD }}
      
      - name: Push Images
        run: |
          docker push gitea.penry.de/${{ env.REPO_LC }}:nightly

      - name: Save Docker Image to Tar
        run: docker save -o CouchLog-Linux-ARM64-Docker-Image.tar gitea.penry.de/${{ env.REPO_LC }}:nightly

      - name: Upload Artifact
        uses: actions/upload-artifact@v3
        with:
          name: CouchLog-Linux-ARM64-Docker-Image
          path: CouchLog-Linux-ARM64-Docker-Image.tar
          if-no-files-found: error
          retention-days: 5