pipeline {
  agent any

  environment {
    REGISTRY = "registry.wk-archi-o24a-15m-g3.fr"
    IMAGE_NAME = "the-tip-top-backend"
  }

  stages {

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

    stage('Build Docker image') {
      steps {
        echo "🐳 Construction de l’image Docker backend..."
        sh """
          docker build -t ${REGISTRY}/${IMAGE_NAME}:${BUILD_NUMBER} .
          docker tag ${REGISTRY}/${IMAGE_NAME}:${BUILD_NUMBER} ${REGISTRY}/${IMAGE_NAME}:latest
        """
      }
    }

    stage('Push to Registry') {
      steps {
        echo "📤 Envoi de l’image vers le registre privé..."
        withCredentials([usernamePassword(credentialsId: 'registry-credentials', usernameVariable: 'REG_USER', passwordVariable: 'REG_PASS')]) {
          sh """
            echo $REG_PASS | docker login ${REGISTRY} -u $REG_USER --password-stdin
            docker push ${REGISTRY}/${IMAGE_NAME}:${BUILD_NUMBER}
            docker push ${REGISTRY}/${IMAGE_NAME}:latest
          """
        }
      }
    }

    stage('Deploy') {
      steps {
        echo "🚀 Déploiement du backend..."
        sh """
          docker compose pull backend
          docker compose up -d --force-recreate backend
        """
      }
    }

    stage('Health Check') {
      steps {
        echo "🩺 Vérification du déploiement..."
        script {
          def code = sh(script: "curl -s -o /dev/null -w '%{http_code}' https://api.dsp5-archi-o24a-15m-g3.fr || echo 000", returnStdout: true).trim()
          if (code != "200") {
            error "Le backend ne répond pas correctement (code HTTP ${code})"
          }
        }
      }
    }
  }

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