name: Build Docker Linux ARM64 Release
run-name: Release-Docker-Linux-ARM64

on:
  push:
    branches: [ "main", "master" ]

jobs:
  build-docker-linux-arm64-release:
    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: Clone the repository
        uses: actions/checkout@v4
        with:
          fetch-depth: 0 # Zwingend notwendig für go-semantic-release

      # 1. Nächste Version berechnen
      - name: Determine Next Version
        id: semantic_release
        uses: go-semantic-release/action@v1
        with:
          # Wir nutzen das Gitea Token für die Authentifizierung
          github-token: ${{ secrets.GITEA_TOKEN }}
          # Da wir auf Gitea sind, müssen wir die Gitea-API angeben
          allow-initial-development-versions: true
          force-bump-patch-version: true
          # Wir wollen das Release erst am Ende machen, hier nur die Version holen
          dry-run: true 

      # 2. Vorbereitung Namen
      - name: Prepare Variables
        run: |
          echo "REPO_LC=${GITHUB_REPOSITORY,,}" >> $GITHUB_ENV
          # Wenn go-semantic-release eine neue Version findet, nimm diese, sonst 'latest'
          if [ -z "${{ steps.semantic_release.outputs.version }}" ]; then
            echo "NEXT_VERSION=latest" >> $GITHUB_ENV
          else
            echo "NEXT_VERSION=${{ steps.semantic_release.outputs.version }}" >> $GITHUB_ENV
          fi

      - 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: Setup .NET10
        uses: actions/setup-dotnet@v3
        with:
          dotnet-version: '10.0.x'

      # 3. Docker Build & Push (SemVer konform)
      - name: Build and Push Docker Image
        run: |
          # Wir bauen immer 'latest' UND die neue Version (falls vorhanden)
          TAG_LIST="-t gitea.penry.de/${{ env.REPO_LC }}:latest"
          if [ "${{ env.NEXT_VERSION }}" != "latest" ]; then
            TAG_LIST="$TAG_LIST -t gitea.penry.de/${{ env.REPO_LC }}:${{ env.NEXT_VERSION }}"
          fi
          
          docker build $TAG_LIST \
            --label "org.opencontainers.image.source=https://gitea.penry.de/${{ github.repository }}" \
            .
          
          docker push gitea.penry.de/${{ env.REPO_LC }} --all-tags

      # 4. Das eigentliche Release in Gitea erstellen (nur wenn neue Version da ist)
      - name: Execute Semantic Release
        if: steps.semantic_release.outputs.version != ''
        uses: go-semantic-release/action@v1
        with:
          github-token: ${{ secrets.GITEA_TOKEN }}
          # Hier wird jetzt der echte Git-Tag und das Gitea-Release erstellt

      # 5. Image exportieren für Gitea Release Assets
      - name: Export Image Tar
        if: steps.semantic_release.outputs.version != ''
        run: |
          docker save -o couchlog-linux-arm64-${{ env.NEXT_VERSION }}.tar gitea.penry.de/${{ env.REPO_LC }}:${{ env.NEXT_VERSION }}

      - name: Upload Release Asset
        if: steps.semantic_release.outputs.version != ''
        uses: akkuman/gitea-release-action@v1
        with:
          files: |-
            couchlog-linux-arm64-${{ env.NEXT_VERSION }}.tar