pipeline {

 triggers {
  pollSCM('* * * * *')
}


  agent {
    docker {
      image 'node:20'         // 🧠 Lance toutes les étapes dans un conteneur Node 20
      args '-u root:root -v /var/run/docker.sock:/var/run/docker.sock'  // permet d'utiliser docker dans le conteneur
    }
  }

  environment {
    REGISTRY_URL = 'registry.wk-archi-o24a-15m-g3.fr'
    IMAGE_NAME = 'the-tip-top-frontend'
    DEPLOY_PATH = '/srv/devops/the-tip-top'
    DEPLOY_HOST = 'https://dsp5-archi-o24a-15m-g3.fr'
  }

  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 Next.js') {
      steps {
        echo "⚙️ Compilation de l’application Next.js (production)..."
        sh 'npm run build'
      }
    }

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

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

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

    stage('Health Check') {
      steps {
        echo "🩺 Vérification de la disponibilité du frontend..."
        script {
          def success = false
          for (int i = 1; i <= 3; i++) {
            echo "⏳ Tentative #${i} (attente ${i * 10}s)..."
            sh "sleep ${i * 10}"
            def code = sh(script: "curl -k -s -o /dev/null -w '%{http_code}' ${DEPLOY_HOST} || echo 000", returnStdout: true).trim()
            echo "➡️ Réponse HTTP : ${code}"
            if (code == '200' || code == '301' || code == '302') {
              success = true
              break
            }
          }
          if (!success) {
            error("❌ Le frontend ne répond pas après plusieurs tentatives.")
          }
        }
      }
    }
  }

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