name: Build & Push CI Image

on:
  push:
    paths:
      - "Dockerfile.ci"

jobs:
  build-and-push:
    runs-on: ubuntu-latest
    steps:
      - name: Checkout repository
        uses: actions/checkout@v4

      - name: Prepare Metadata
        id: meta
        run: |
          REGISTRY_HOST=$(echo "${{ gitea.server_url }}" | sed -e 's|https://||' -e 's|http://||')
          
          REPO_POSTFIXED=$(echo "${{ gitea.repository }}-ci" | tr '[:upper:]' '[:lower:]')
          
          echo "registry=$REGISTRY_HOST" >> $GITHUB_OUTPUT
          echo "repo_path=$REPO_POSTFIXED" >> $GITHUB_OUTPUT

      - name: Login to Gitea Registry
        uses: docker/login-action@v3
        with:
          registry: ${{ steps.meta.outputs.registry }}
          username: ${{ gitea.actor }}
          password: ${{ secrets.GITHUB_TOKEN }}

      - name: Build and Push
        uses: docker/build-push-action@v5
        with:
          context: .
          file: ./Dockerfile.ci
          push: true
          tags: |
            ${{ steps.meta.outputs.registry }}/${{ steps.meta.outputs.repo_path }}:latest
            ${{ steps.meta.outputs.registry }}/${{ steps.meta.outputs.repo_path }}:${{ github.sha }}