pipeline {
  agent any

  environment {
    REGISTRY_IMAGE = "plesk-agency-portal"
    IMAGE_LATEST = "${REGISTRY_IMAGE}:latest"
    IMAGE_BUILD = "${REGISTRY_IMAGE}:build-${BUILD_NUMBER}"
  }

  stages {
    stage('Checkout') {
      steps {
        checkout scm
      }
    }

    stage('Install dependencies') {
      steps {
        sh 'npm ci'
      }
    }

    // stage('Lint') {
    //   steps {
    //     script {
    //       def hasLint = sh(script: "node -e \"const fs=require('fs');const p=require('./package.json');process.exit(p?.scripts?.lint?0:1)\"", returnStatus: true)
    //       if (hasLint == 0) {
    //         sh 'npm run lint'
    //       } else {
    //         echo 'No lint script configured; skipping lint stage.'
    //       }
    //     }
    //   }
    // }

    stage('Build application') {
      steps {
        sh 'npm run build'
      }
    }

    stage('Build Docker image') {
      steps {
        sh 'docker build -t ${IMAGE_LATEST} -t ${IMAGE_BUILD} .'
      }
    }

    stage('Deploy') {
      steps {
        script {
          if (!env.DEPLOY_SSH_CREDENTIAL_ID) {
            error 'DEPLOY_SSH_CREDENTIAL_ID is required'
          }
        }
        sshagent(credentials: ["${env.DEPLOY_SSH_CREDENTIAL_ID}"]) {
          sh '''
            set -euo pipefail
            : "${DEPLOY_SSH_HOST:?Missing DEPLOY_SSH_HOST}"
            : "${DEPLOY_SSH_USER:?Missing DEPLOY_SSH_USER}"
            : "${DEPLOY_PATH:?Missing DEPLOY_PATH}"

            rsync -az \
              docker-compose.prod.yml \
              scripts/deploy-prod.sh \
              scripts/smoke-check.sh \
              scripts/rollback-prod.sh \
              ${DEPLOY_SSH_USER}@${DEPLOY_SSH_HOST}:${DEPLOY_PATH}/

            docker save ${IMAGE_LATEST} ${IMAGE_BUILD} \
              | ssh ${DEPLOY_SSH_USER}@${DEPLOY_SSH_HOST} 'docker load'

            ssh ${DEPLOY_SSH_USER}@${DEPLOY_SSH_HOST} \
              "chmod +x ${DEPLOY_PATH}/deploy-prod.sh ${DEPLOY_PATH}/smoke-check.sh ${DEPLOY_PATH}/rollback-prod.sh && APP_IMAGE='${IMAGE_BUILD}' DEPLOY_PATH='${DEPLOY_PATH}' ${DEPLOY_PATH}/deploy-prod.sh"
          '''
        }
      }
    }

    stage('Smoke check') {
      steps {
        sh 'chmod +x scripts/smoke-check.sh && scripts/smoke-check.sh ${APP_BASE_URL}'
      }
    }
  }
}