name: Build, Dockerize and Deploy

on:
  push:
    branches: [ main ]

env:
  IMAGE: ${{ secrets.DOCKER_REPOSITORY }}:${{ github.sha }}

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

      - name: Set up JDK 17
        uses: actions/setup-java@v4
        with:
          distribution: temurin
          java-version: 17

      - name: Cache Maven
        uses: actions/cache@v4
        with:
          path: ~/.m2/repository
          key: ${{ runner.os }}-m2-${{ hashFiles('**/pom.xml') }}
          restore-keys: |
            ${{ runner.os }}-m2-

      - name: Build with Maven (skip tests)
        run: mvn -B package -DskipTests

      - name: Log in to Docker Hub
        uses: docker/login-action@v4
        with:
          username: ${{ secrets.DOCKERHUB_USERNAME }}
          password: ${{ secrets.DOCKERHUB_TOKEN }}

      - name: Build Docker image
        run: docker build -t $IMAGE .

      - name: Push Docker image
        run: docker push $IMAGE

  deploy:
    needs: build-and-publish
    runs-on: ubuntu-latest
    steps:
      - name: Deploy to remote via SSH
        uses: appleboy/ssh-action@v0.1.7
        with:
          host: ${{ secrets.REMOTE_HOST }}
          username: ${{ secrets.REMOTE_USER }}
          key: ${{ secrets.SSH_PRIVATE_KEY }}
          script: |
            docker pull $IMAGE
            docker stop app || true
            docker rm app || true
            docker run -d --name app -p 8080:8080 --restart unless-stopped $IMAGE