name: Build and Push Docker Image

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

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

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

      - name: Set up Docker Buildx
        uses: docker/setup-buildx-action@v3

      - name: Determine Image Tag
        id: tag
        run: |
          # Prüfe ob es ein Git Tag ist
          if [[ "${{ github.ref }}" == refs/tags/* ]]; then
            # Verwende den Tag-Namen (z.B. v1.0.0)
            TAG="${{ github.ref_name }}"
          elif [[ "${{ github.ref_name }}" == "main" ]]; then
            # Für main Branch: verwende 'latest'
            TAG="latest"
          else
            # Für andere Branches: verwende Branch-Name + kurzen Commit-SHA
            TAG="${{ github.ref_name }}-${{ github.sha }}"
            TAG="${TAG:0:50}"  # Limit auf 50 Zeichen
          fi
          echo "IMAGE_TAG=${TAG}" >> $GITHUB_OUTPUT
          echo "📦 Image Tag: ${TAG}"

      - name: Create .env file from secrets and variables
        run: |
          cd docker
          cat > .env << EOF
          REGISTRY_URL=${{ vars.REGISTRY_URL }}
          NAMESPACE=${{ vars.NAMESPACE }}
          REPO_NAME=${{ vars.REPO_NAME }}
          IMAGE_TAG=${{ steps.tag.outputs.IMAGE_TAG }}
          CI_GITEA_USER=${{ secrets.CI_GITEA_USER }}
          CI_GITEA_TOKEN=${{ secrets.CI_GITEA_TOKEN }}
          EOF
          echo "✅ .env file created with IMAGE_TAG=${{ steps.tag.outputs.IMAGE_TAG }}"

      - name: Build Docker Image
        run: |
          cd docker
          chmod +x build.sh
          ./build.sh

      - name: Push Docker Image to Registry
        run: |
          cd docker
          chmod +x push.sh
          ./push.sh

      - name: Summary
        run: |
          echo "🎉 Build and Push completed successfully!"
          echo "📦 Image: ${{ vars.REGISTRY_URL }}/${{ vars.NAMESPACE }}/${{ vars.REPO_NAME }}:${{ steps.tag.outputs.IMAGE_TAG }}"