name: MengStack CI/CD

on:
  push:
    branches: [main, develop]
  pull_request:
    branches: [main]

env:
  GO_VERSION: '1.23'
  APP_NAME: mengstack

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

      - name: Set up Go
        uses: actions/setup-go@v5
        with:
          go-version: ${{ env.GO_VERSION }}

      - name: Cache Go modules
        uses: actions/cache@v4
        with:
          path: ~/go/pkg/mod
          key: ${{ runner.os }}-go-${{ hashFiles('**/go.sum') }}
          restore-keys: |
            ${{ runner.os }}-go-

      - name: Download dependencies
        run: go mod download

      - name: Vet
        run: go vet ./...

      - name: Build
        run: |
          mkdir -p build
          go build -o build/${{ env.APP_NAME }} ./cmd/server

      - name: Test
        run: go test ./... -v -race -coverprofile=coverage.out

      - name: Upload coverage
        if: github.event_name == 'pull_request'
        uses: actions/upload-artifact@v4
        with:
          name: coverage
          path: coverage.out
          retention-days: 7

      - name: Upload artifact
        uses: actions/upload-artifact@v4
        with:
          name: ${{ env.APP_NAME }}-binary
          path: build/${{ env.APP_NAME }}
          retention-days: 7

  deploy:
    name: Deploy to Server
    needs: build
    if: github.ref == 'refs/heads/main'
    runs-on: ubuntu-latest
    steps:
      - name: Download artifact
        uses: actions/download-artifact@v4
        with:
          name: ${{ env.APP_NAME }}-binary

      - name: Deploy via SSH
        uses: appleboy/scp-action@v0.1.7
        with:
          host: ${{ secrets.DEPLOY_HOST }}
          username: ${{ secrets.DEPLOY_USER }}
          key: ${{ secrets.DEPLOY_SSH_KEY }}
          source: ${{ env.APP_NAME }}
          target: /opt/mengstack/

      - name: Restart service
        uses: appleboy/ssh-action@v1.0.3
        with:
          host: ${{ secrets.DEPLOY_HOST }}
          username: ${{ secrets.DEPLOY_USER }}
          key: ${{ secrets.DEPLOY_SSH_KEY }}
          script: |
            chmod +x /opt/mengstack/${{ env.APP_NAME }}
            systemctl restart mengstack
            sleep 3
            systemctl is-active mengstack