name: Build and Push Docker Container

on:
  push:
    branches:
      - main
    tags:
      - '*'         # reagiert auf jeden Tag-Push
  workflow_dispatch:

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

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

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

      # --- Logins ---
      - name: Login to Gitea Registry
        uses: docker/login-action@v3
        with:
          registry: ${{ vars.DOCKER_REGISTRY_URL }}
          username: ${{ secrets.DOCKER_REGISTRY_USERNAME }}
          password: ${{ secrets.ACTION_ACCESS_TOKEN }}

      - name: Login to Docker Hub
        uses: docker/login-action@v3
        with:
          username: ${{ secrets.DOCKERHUB_USERNAME }}
          password: ${{ secrets.DOCKERHUB_TOKEN }}

      - name: Repo owner to lowercase (for Gitea namespace)
        run: echo "REPO_OWNER_LC=$(echo '${{ gitea.repository_owner }}' | tr '[:upper:]' '[:lower:]')" >> $GITHUB_ENV

      # ---------------- BRANCH BUILD (main) ----------------
      # On Branch: Gitea and Docker Hub :latest
      - name: Build & push (branch -> only :latest everywhere)
        if: ${{ github.ref_type == 'branch' && github.ref == 'refs/heads/main' }}
        uses: docker/build-push-action@v6
        with:
          context: .
          push: true
          platforms: linux/amd64
          tags: |
            ${{ vars.DOCKER_REGISTRY_URL }}/${{ env.REPO_OWNER_LC }}/apache-php:latest
            ${{ secrets.DOCKERHUB_USERNAME }}/apache-php:latest

      # ---------------- TAG BUILD ----------------
      # On tag: Docker Hub :<tag>
      - name: Build & push (tag -> tag on Docker Hub)
        if: ${{ github.ref_type == 'tag' }}
        uses: docker/build-push-action@v6
        with:
          context: .
          push: true
          platforms: linux/amd64
          tags: ${{ secrets.DOCKERHUB_USERNAME }}/apache-php:${{ github.ref_name }}