name: Deploy Backend Development Environment

on:
  push:
    branches: [ dev ]
  workflow_dispatch:

env:
  ENV_NAME: dev
  IMAGE_NAME: csa-backend
  REGISTRY: ${{ secrets.REGISTRY_URL }}

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

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

    - name: Set image tag
      run: |
        echo "IMAGE_TAG=$(git rev-parse --short HEAD)" >> $GITHUB_ENV

    - name: Login to registry
      run: |
        echo "${{ secrets.REGISTRY_PASSWORD }}" | sudo docker login $REGISTRY \
          -u "${{ secrets.REGISTRY_USERNAME }}" --password-stdin

    - name: Build and push image
      run: |
        sudo docker build -t $REGISTRY/$IMAGE_NAME:$IMAGE_TAG .
        sudo docker push $REGISTRY/$IMAGE_NAME:$IMAGE_TAG

    - name: Clone manifest repo
      run: |
        git clone https://oauth2:${{ secrets.MANIFEST_REPO_TOKEN }}@${{ secrets.MANIFEST_REPO_URL }} manifest
        cd manifest
        git checkout $ENV_NAME

    - name: Install kustomize
      run: |
        curl -s https://raw.githubusercontent.com/kubernetes-sigs/kustomize/master/hack/install_kustomize.sh | bash
        sudo mv kustomize /usr/local/bin/

    - name: Update kustomization (DEV)
      run: |
        cd manifest/overlays
        kustomize edit set image \
          $REGISTRY/$IMAGE_NAME=$REGISTRY/$IMAGE_NAME:$IMAGE_TAG

    - name: Commit manifest update
      run: |
        cd manifest
        git config user.name "csa-ci"
        git config user.email "ci@gitea.local"
        git commit -am "deploy(${ENV_NAME}): update backend image to $IMAGE_TAG"
        git push origin $ENV_NAME

    - name: Cleanup workspace
      run: |
        rm -rf manifest