pipeline {
  agent {
    docker {
      image 'node:20'
      args '-v /var/run/docker.sock:/var/run/docker.sock'
    }
  }

  environment {
    APP_NAME = "the-tip-top-backend"
    REGISTRY = "registry.wk-archi-o24a-15m-g3.fr"
    IMAGE = "${REGISTRY}/${APP_NAME}:${BUILD_NUMBER}"
    DEPLOY_PATH = "/srv/devops/the-tip-top"
  }

  stages {

    stage('Checkout') {
      steps {
        echo "📦 Récupération du code source depuis Gitea..."
        checkout scm
      }
    }

    stage('Install dependencies') {
      steps {
        echo "📦 Installation des dépendances NPM..."
        sh 'npm ci'
      }
    }

    stage('Build Docker image') {
      steps {
        echo "🐳 Construction et tag de l’image Docker..."
        sh 'docker build -t ${IMAGE} .'
      }
    }

    stage('Push to Registry') {
      steps {
        echo "📤 Envoi de l’image vers le registry privé..."
        withCredentials([usernamePassword(credentialsId: 'registry-creds', usernameVariable: 'USER', passwordVariable: 'PASS')]) {
          sh 'echo $PASS | docker login $REGISTRY -u $USER --password-stdin'
          sh 'docker push $IMAGE'
        }
      }
    }

    stage('Deploy') {
      steps {
        echo "🚀 Déploiement du backend via Docker Compose..."
        sh """
          cd ${DEPLOY_PATH}
          docker compose pull backend
          docker compose up -d --no-deps --build backend
        """
      }
    }
  }

  post {
    success {
      echo "✅ Déploiement du backend réussi !"
    }
    failure {
      echo "❌ Échec du pipeline backend."
    }
  }
}