name: Build and deploy

on:
  push:
    branches:
      - master
  workflow_dispatch:

jobs:
  build:
    runs-on: ubuntu-latest
    steps:
      - name: Checkout
        uses: actions/checkout@v4

      - name: Setup Node.js 24 via nvm
        run: |
          curl -o- https://raw.githubusercontent.com/nvm-sh/nvm/v0.40.1/install.sh | bash
          export NVM_DIR="$HOME/.nvm"
          [ -s "$NVM_DIR/nvm.sh" ] && \. "$NVM_DIR/nvm.sh"
          nvm install 24
          nvm use 24
          node -v
          npm -v
          echo "PATH=$PATH" >> $GITHUB_ENV

      - name: Login to registry
        run: echo "${{ secrets.TOKEN }}" | docker login ${{ secrets.GIT_HOST }} -u ${{ secrets.USERNAME }} --password-stdin

      - name: Build frontend bundle
        working-directory: frontend
        env:
          CI: "true"
        run: |
          npm ci
          npm run build

      - name: Archive frontend dist
        run: |
          tar -czf frontend-dist.tar.gz -C frontend/dist .

      - name: Upload frontend artifact
        uses: actions/upload-artifact@v3
        with:
          name: frontend-dist
          path: frontend-dist.tar.gz
          retention-days: 7

      - name: Build and push app
        run: |
          docker build -t ${{ secrets.GIT_HOST }}/${{ gitea.repository }}:app -f app/Dockerfile .
          docker push ${{ secrets.GIT_HOST }}/${{ gitea.repository }}:app

      - name: Build and push migrations image
        run: |
          docker build -t ${{ secrets.GIT_HOST }}/${{ gitea.repository }}:migrations -f migrations/Dockerfile .
          docker push ${{ secrets.GIT_HOST }}/${{ gitea.repository }}:migrations

  deploy:
    runs-on: ubuntu-latest
    needs: build
    steps:
      - name: Checkout
        uses: actions/checkout@v4

      - name: Install SSH key
        uses: webfactory/ssh-agent@v0.9.0
        with:
          ssh-private-key: ${{ secrets.DEPLOY_SSH_KEY }}

      - name: Add host to known_hosts
        run: ssh-keyscan -H ${{ secrets.LXC_HOST }} >> ~/.ssh/known_hosts
      
      - name: Create remote deployment directory
        run: ssh ${{ secrets.LXC_USER }}@${{ secrets.LXC_HOST }} "mkdir -p /srv/app"

      - name: Download frontend artifact
        uses: actions/download-artifact@v3
        with:
          name: frontend-dist
          path: artifacts

      - name: Upload frontend dist to server
        run: |
          mkdir -p artifacts/extracted
          tar -xzf artifacts/frontend-dist.tar.gz -C artifacts/extracted
          ssh ${{ secrets.LXC_USER }}@${{ secrets.LXC_HOST }} "mkdir -p /srv/app/frontend/dist && rm -rf /srv/app/frontend/dist/*"
          scp -r artifacts/extracted/* ${{ secrets.LXC_USER }}@${{ secrets.LXC_HOST }}:/srv/app/frontend/dist/

      - name: Deploy docker-compose-ci.yml
        run: scp docker-compose-ci.yml ${{ secrets.LXC_USER }}@${{ secrets.LXC_HOST }}:/srv/app/docker-compose.yml
      
      - name: Restart services
        run: |
          ssh ${{ secrets.LXC_USER }}@${{ secrets.LXC_HOST }} << 'EOF'
            echo "${{ secrets.TOKEN }}" | docker login ${{ secrets.GIT_HOST }} -u ${{ secrets.USERNAME }} --password-stdin
            docker pull ${{ secrets.GIT_HOST }}/${{ gitea.repository }}:app
            docker pull ${{ secrets.GIT_HOST }}/${{ gitea.repository }}:migrations
            cd /srv/app
            docker compose up -d --force-recreate
            docker image prune -f
          EOF