name: Build and Publish

on:
  push:
    branches:
      - main

env:
  REGISTRY: ${{ format('{0}', replace(replace(github.server_url, 'https://', ''), 'http://', '')) }}
  # Dynamically extracts just the repository name (e.g., 'my-repo' from 'owner/my-repo')
  CHART_NAME: ${{ github.event.repository.name }}
  IMAGE_NAME: ${{ github.event.repository.name }}

jobs:
  build-release:
    runs-on: nix
    steps:
      - name: Checkout via Native Git
        env:
          GITEA_URL: ${{ github.server_url }}
          TOKEN: ${{ secrets.GITHUB_TOKEN }}
          REPO: ${{ github.repository }}
          SHA: ${{ github.sha }}
        run: |
          nix shell nixpkgs#coreutils
          STRIPPED_URL=$(echo $GITEA_URL | sed -e 's|^https://||' -e 's|^http://||')
          echo "Cloning from: $STRIPPED_URL"
          # Perform the clone
          git clone --depth 1 "https://token:${TOKEN}@${STRIPPED_URL}/${REPO}.git" .
          # Checkout the specific commit
          git checkout $SHA

      - name: Build Docker Image via Nix Flake
        run: |
          nix build ./build/#dockerImage
          docker load -i result

      - name: Log in to Gitea Container Registry
        uses: docker/login-action@v3
        with:
          registry: ${{ env.REGISTRY }}
          username: ${{ github.actor }}
          password: ${{ secrets.GITHUB_TOKEN }}

      - name: Tag and Push Docker Image
        run: |
          VERSION=${{ github.run_number }}
          TARGET_IMAGE=${{ env.REGISTRY }}/${{ env.IMAGE_NAME }}
          nix shell nixpkgs#docker
          # Replace 'nix-built-image:latest' with your flake's internal image name
          docker tag nix-built-image:latest $TARGET_IMAGE:$VERSION
          docker push $TARGET_IMAGE:$VERSION

      - name: Package Helm Chart
        run: |
          VERSION=${{ github.run_number }}

          nix shell nixpkgs#kubernetes-helm
          # Packages the chart using the dynamically injected repo name
          helm package ops/chart --version $VERSION --app-version $VERSION

      - name: Push Helm Chart to Gitea Registry
        run: |
          VERSION=${{ github.run_number }}
          CHART_FILE=${{ env.CHART_NAME }}-${VERSION}.tgz
          
          curl --user "${{ github.actor }}:${{ secrets.GITHUB_TOKEN }}" \
               -X POST \
               --upload-file ./$CHART_FILE \
               "${{ github.server_url }}/api/packages/${{ github.repository_owner }}/helm/api/charts"