# =============================================================================
# Build and Push Docker Images to Forgejo Registry
# =============================================================================
# Triggers on push to main branch and pull requests
# Builds sequentially: backend, frontend, chat-service, openresty
# Single job to avoid rate limiting on git clone
# =============================================================================

name: Build and Push

on:
  push:
    branches: [main, master]
  pull_request:
    branches: [main, master]
  workflow_dispatch:  # Enable manual trigger

env:
  REGISTRY: qbit.realms.pub

jobs:
  build-all:
    runs-on: ubuntu-latest
    container:
      image: docker:27
      options: --privileged
    steps:
      - name: Install git
        run: apk add --no-cache git

      - name: Checkout code
        run: |
          git clone --depth 1 --branch ${GITHUB_REF_NAME:-main} https://qbit.realms.pub/${GITHUB_REPOSITORY}.git .

      - name: Login to Forgejo Registry
        if: github.event_name != 'pull_request'
        run: |
          echo "${{ secrets.REGISTRY_TOKEN }}" | docker login ${{ env.REGISTRY }} -u ${{ github.actor }} --password-stdin

      # =========================================================================
      # Build Backend (C++/Drogon)
      # =========================================================================
      - name: Build Backend Image
        run: |
          echo "=== Building Backend ==="
          docker build \
            -t ${{ env.REGISTRY }}/${{ github.repository }}/backend:${{ github.sha }} \
            -t ${{ env.REGISTRY }}/${{ github.repository }}/backend:latest \
            ./backend

      - name: Push Backend Image
        if: github.event_name != 'pull_request'
        run: |
          docker push ${{ env.REGISTRY }}/${{ github.repository }}/backend:${{ github.sha }}
          docker push ${{ env.REGISTRY }}/${{ github.repository }}/backend:latest

      # =========================================================================
      # Build Frontend (SvelteKit)
      # =========================================================================
      - name: Build Frontend Image
        run: |
          echo "=== Building Frontend ==="
          docker build \
            --build-arg VITE_NAKAMA_SERVER_KEY=${{ secrets.NAKAMA_SERVER_KEY }} \
            -t ${{ env.REGISTRY }}/${{ github.repository }}/frontend:${{ github.sha }} \
            -t ${{ env.REGISTRY }}/${{ github.repository }}/frontend:latest \
            ./frontend

      - name: Push Frontend Image
        if: github.event_name != 'pull_request'
        run: |
          docker push ${{ env.REGISTRY }}/${{ github.repository }}/frontend:${{ github.sha }}
          docker push ${{ env.REGISTRY }}/${{ github.repository }}/frontend:latest

      # =========================================================================
      # Build Chat Service
      # =========================================================================
      - name: Build Chat Service Image
        run: |
          echo "=== Building Chat Service ==="
          docker build \
            -t ${{ env.REGISTRY }}/${{ github.repository }}/chat-service:${{ github.sha }} \
            -t ${{ env.REGISTRY }}/${{ github.repository }}/chat-service:latest \
            ./chat-service

      - name: Push Chat Service Image
        if: github.event_name != 'pull_request'
        run: |
          docker push ${{ env.REGISTRY }}/${{ github.repository }}/chat-service:${{ github.sha }}
          docker push ${{ env.REGISTRY }}/${{ github.repository }}/chat-service:latest

      # =========================================================================
      # Build OpenResty (Nginx + Lua)
      # =========================================================================
      - name: Build OpenResty Image
        run: |
          echo "=== Building OpenResty ==="
          docker build \
            -t ${{ env.REGISTRY }}/${{ github.repository }}/openresty:${{ github.sha }} \
            -t ${{ env.REGISTRY }}/${{ github.repository }}/openresty:latest \
            ./openresty

      - name: Push OpenResty Image
        if: github.event_name != 'pull_request'
        run: |
          docker push ${{ env.REGISTRY }}/${{ github.repository }}/openresty:${{ github.sha }}
          docker push ${{ env.REGISTRY }}/${{ github.repository }}/openresty:latest

      # =========================================================================
      # Build Nakama (Game Server with Chess Modules)
      # =========================================================================
      - name: Build Nakama Image
        run: |
          echo "=== Building Nakama ==="
          docker build \
            -t ${{ env.REGISTRY }}/${{ github.repository }}/nakama:${{ github.sha }} \
            -t ${{ env.REGISTRY }}/${{ github.repository }}/nakama:latest \
            ./nakama

      - name: Push Nakama Image
        if: github.event_name != 'pull_request'
        run: |
          docker push ${{ env.REGISTRY }}/${{ github.repository }}/nakama:${{ github.sha }}
          docker push ${{ env.REGISTRY }}/${{ github.repository }}/nakama:latest