name: Build & Push Docker Image (Backend)

on:
  push:
    branches:
      - main

jobs:
  build:
    runs-on: ubuntu-latest

    steps:
      # Checkout แบบไม่พึ่ง GitHub
      - name: Checkout source (manual)
        run: |
          set -e
          git clone https://gitea.panmodel.com/admin/lms-backend.git .
          git checkout ${{ gitea.sha }}

      # Login Docker Hub แบบตรง
      - name: Login to Docker Hub
        run: |
          set -e
          echo "${{ secrets.DOCKERHUB_TOKEN }}" \
            | docker login -u "${{ secrets.DOCKERHUB_USERNAME }}" --password-stdin

      # Build & Push image แบบตรง
      - name: Build and push Docker image
        run: |
          set -e
          docker build -t satitprompunjai/lms-backend:${{ gitea.sha }} .
          docker push satitprompunjai/lms-backend:${{ gitea.sha }}

      # Update GitOps repo
      - name: Update image tag in lms-k8s
        env:
          GIT_TOKEN: ${{ secrets.GIT_TOKEN }}
        run: |
          set -e
          git clone https://admin:${GIT_TOKEN}@gitea.panmodel.com/admin/lms-k8s.git
          cd lms-k8s

          sed -i "s|satitprompunjai/lms-backend:.*|satitprompunjai/lms-backend:${{ gitea.sha }}|g" apps/backend/deployment.yaml

          git config user.name "lms-backend-ci"
          git config user.email "ci@panmodel.com"
          git diff --quiet || git commit -am "chore: update lms-backend image to ${{ gitea.sha }}"
          git push