name: Deploy Containers

on:
  push:
    tags:
      - "addin-*.*.*"
      - "backend-*.*.*"
      - "web-*.*.*"
  workflow_dispatch:

permissions:
  contents: read

env:
  REGISTRY: ${{ vars.CONTAINER_REGISTRY || 'ghcr.io' }}
  BACKEND_IMAGE: ${{ vars.IMAGE_NAMESPACE }}/word-versioning-backend
  WEB_IMAGE: ${{ vars.IMAGE_NAMESPACE }}/word-versioning-web
  BACKEND_TAG: ${{ github.ref_name || 'latest' }}
  WEB_TAG: ${{ github.ref_name || 'latest' }}
  DEPLOY_HOST: ${{ vars.SSH_DEPLOY_HOST }}
  DEPLOY_USER: ${{ vars.SSH_DEPLOY_USER }}

jobs:
  build-and-push-backend:
    name: Build and push backend image
    runs-on: ubuntu-latest
    steps:
      - name: Checkout repository
        uses: actions/checkout@v4

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

      - name: Log in to registry
        uses: docker/login-action@v3
        with:
          registry: ${{ env.REGISTRY }}
          username: ${{ vars.CONTAINER_REGISTRY_USERNAME }}
          password: ${{ secrets.CONTAINER_REGISTRY_PASSWORD }}

      - name: Build backend image
        uses: docker/build-push-action@v6
        with:
          context: .
          file: ./backend/WordVersioning.Api/Dockerfile
          push: true
          tags: |
            ${{ env.REGISTRY }}/${{ env.BACKEND_IMAGE }}:${{ env.BACKEND_TAG }}
            ${{ env.REGISTRY }}/${{ env.BACKEND_IMAGE }}:latest

  build-and-push-web:
    name: Build and push web image
    runs-on: ubuntu-latest
    steps:
      - name: Checkout repository
        uses: actions/checkout@v4

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

      - name: Log in to registry
        uses: docker/login-action@v3
        with:
          registry: ${{ env.REGISTRY }}
          username: ${{ vars.CONTAINER_REGISTRY_USERNAME }}
          password: ${{ secrets.CONTAINER_REGISTRY_PASSWORD }}

      - name: Build web image
        uses: docker/build-push-action@v6
        with:
          context: ./web
          file: ./web/Dockerfile
          push: true
          tags: |
            ${{ env.REGISTRY }}/${{ env.WEB_IMAGE }}:${{ env.WEB_TAG }}
            ${{ env.REGISTRY }}/${{ env.WEB_IMAGE }}:latest

  deploy:
    name: Deploy to remote host
    needs:
      - build-and-push-backend
      - build-and-push-web
    runs-on: ubuntu-latest
    steps:
      - name: Deploy via SSH
        uses: appleboy/ssh-action@v1.0.3
        with:
          host: ${{ env.DEPLOY_HOST }}
          username: ${{ env.DEPLOY_USER }}
          key: ${{ secrets.SSH_PRIVATE_KEY }}
          script: |
            set -e
            echo "${{ secrets.CONTAINER_REGISTRY_PASSWORD }}" | docker login ${{ env.REGISTRY }} -u "${{ vars.CONTAINER_REGISTRY_USERNAME }}" --password-stdin
            export BACKEND_IMAGE="${{ env.REGISTRY }}/${{ env.BACKEND_IMAGE }}:${{ env.BACKEND_TAG }}"
            export WEB_IMAGE="${{ env.REGISTRY }}/${{ env.WEB_IMAGE }}:${{ env.WEB_TAG }}"
            cd /opt/word-versioning
            docker compose -f docker-compose.prod.yml pull
            docker compose -f docker-compose.prod.yml up -d --remove-orphans
            docker image prune -f