pipeline {
  agent any

  parameters {
    choice(name: 'SERVICE', choices: ['all', 'tenant-service', 'im-service', 'push-service', 'update-service', 'demo-service', 'file-service', 'license-service'], description: '要构建的服务模块（all = 全部）')
    choice(name: 'VERSION_STRATEGY', choices: ['patch', 'minor', 'major', 'date'], description: '版本升级策略：patch=修复, minor=新功能, major=大版本, date=日期版本')
    string(name: 'CUSTOM_VERSION', defaultValue: '', description: '自定义版本号（留空则自动计算）')
    string(name: 'CHANGELOG', defaultValue: '', description: '更新日志（多行文本）')
    booleanParam(name: 'DEPLOY', defaultValue: true, description: '构建后是否自动部署到生产服务器')
  }

  environment {
    ACR_REGISTRY    = 'crpi-n44qjpuucgjt8e8c.cn-beijing.personal.cr.aliyuncs.com'
    ACR_NAMESPACE   = 'xuqmgroup'
    ACR_USERNAME    = 'xuqinmin12'
    PROD_HOST       = '106.54.23.149'
    PROD_USER       = 'ubuntu'
    COMPOSE_FILE    = '/opt/xuqm/deploy/compose.production.yaml'
    DOCKER_BUILDKIT = '1'
  }

  options {
    timeout(time: 60, unit: 'MINUTES')
    buildDiscarder(logRotator(numToKeepStr: '30'))
    disableConcurrentBuilds()
  }

  stages {
    stage('Checkout') {
      steps {
        checkout([
          $class: 'GitSCM',
          branches: [[name: 'main']],
          extensions: [[$class: 'CleanBeforeCheckout']],
          userRemoteConfigs: scm.userRemoteConfigs
        ])
      }
    }

    stage('Calculate Version') {
      steps {
        script {
          def strategy = params.VERSION_STRATEGY
          def custom = params.CUSTOM_VERSION?.trim()

          if (custom) {
            env.SERVICE_VERSION = custom
          } else if (strategy == 'date') {
            def now = new Date()
            def datePart = now.format('yyyy.M.d')
            def buildNum = env.BUILD_NUMBER
            env.SERVICE_VERSION = "${datePart}.${buildNum}"
          } else {
            // 读取当前版本并按策略递增
            def versionFile = 'VERSION'
            def current = '1.0.0'
            if (fileExists(versionFile)) {
              current = readFile(versionFile).trim()
              // 兼容旧格式 2026.05.20-private.3 → 取最后三段
              def parts = current.replaceAll(/[^0-9.]/, '').split('\\.')
              if (parts.length >= 3) {
                current = "${parts[-3]}.${parts[-2]}.${parts[-1]}"
              }
            }
            def vParts = current.split('\\.')
            def major = (vParts[0] ?: '1').toInteger()
            def minor = (vParts[1] ?: '0').toInteger()
            def patch = (vParts[2] ?: '0').toInteger()

            switch (strategy) {
              case 'major':
                major++; minor = 0; patch = 0; break
              case 'minor':
                minor++; patch = 0; break
              case 'patch':
              default:
                patch++; break
            }
            env.SERVICE_VERSION = "${major}.${minor}.${patch}"
          }

          echo "Service version: ${env.SERVICE_VERSION}"
          writeFile file: 'SERVICE_VERSION', text: env.SERVICE_VERSION

          // 更新 VERSION 文件（平台版本）
          def now = new Date()
          def platformVersion = now.format('yyyy.M.d') + ".${env.BUILD_NUMBER}"
          env.PLATFORM_VERSION = platformVersion
          writeFile file: 'VERSION', text: platformVersion
          echo "Platform version: ${platformVersion}"
        }
      }
    }

    stage('Docker Build & Push') {
      steps {
        withCredentials([string(credentialsId: 'ACR_PASSWORD', variable: 'ACR_PASS')]) {
          script {
            def services = params.SERVICE == 'all'
              ? ['tenant-service', 'im-service', 'push-service', 'update-service', 'file-service', 'license-service']
              : [params.SERVICE]

            for (svc in services) {
              def imageName = "${ACR_REGISTRY}/${ACR_NAMESPACE}/${svc}:${env.PLATFORM_VERSION}"
              echo "Building ${svc} version ${env.SERVICE_VERSION}..."

              bat """
                docker login ${ACR_REGISTRY} -u ${ACR_USERNAME} -p %ACR_PASS%
                docker pull --platform=linux/amd64 ${imageName} || echo Pull failed, will build fresh
                docker build --platform=linux/amd64 \
                  --build-arg SERVICE_MODULE=${svc} \
                  --build-arg SERVICE_VERSION=${env.SERVICE_VERSION} \
                  --build-arg BUILDKIT_INLINE_CACHE=1 \
                  --cache-from ${imageName} \
                  -t ${imageName} .
                docker push ${imageName}
                docker rmi ${imageName} || exit 0
              """
            }
          }
        }
      }
    }

    stage('Generate versions.json') {
      steps {
        script {
          def services = [
            'tenant-service', 'im-service', 'push-service',
            'update-service', 'file-service', 'license-service',
            'nginx', 'tenant-web'
          ]

          def servicesMap = [:]
          for (svc in services) {
            servicesMap[svc] = [
              version: env.SERVICE_VERSION,
              changed: params.SERVICE == 'all' || params.SERVICE == svc
            ]
          }

          def versionsJson = groovy.json.JsonOutput.prettyPrint(groovy.json.JsonOutput.toJson([
            platformVersion: env.PLATFORM_VERSION,
            serviceVersion: env.SERVICE_VERSION,
            releasedAt: new Date().format("yyyy-MM-dd'T'HH:mm:ss'Z'", TimeZone.getTimeZone('UTC')),
            changelog: params.CHANGELOG ?: '',
            services: servicesMap
          ]))

          writeFile file: 'versions.json', text: versionsJson
          echo "versions.json generated:"
          echo versionsJson

          // 推送到 Registry（作为 OCI artifact 或上传到 CDN）
          // 这里先保存为构建产物，后续可配置推送到 OSS/CDN
          archiveArtifacts artifacts: 'versions.json', fingerprint: true
        }
      }
    }

    stage('Deploy to Production') {
      when { expression { return params.DEPLOY } }
      steps {
        lock('prod-deploy') {
          withCredentials([sshUserPrivateKey(credentialsId: 'PROD_SSH_KEY', keyFileVariable: 'SSH_KEY')]) {
            script {
              def services = params.SERVICE == 'all'
                ? ['tenant-service', 'im-service', 'push-service', 'update-service', 'file-service', 'license-service']
                : [params.SERVICE]

              for (svc in services) {
                def imageName = "${ACR_REGISTRY}/${ACR_NAMESPACE}/${svc}:${env.PLATFORM_VERSION}"
                def remoteCmd = """
                  set -e
                  docker image prune -f 2>/dev/null || true
                  if ! docker pull ${imageName}; then
                    echo 'Pull failed, cleaning containerd cache and retrying...'
                    docker system prune -f
                    docker pull ${imageName}
                  fi
                  docker compose -f ${COMPOSE_FILE} up -d --no-deps --force-recreate ${svc}
                  docker image prune -f
                """.stripIndent()

                echo "Deploying ${svc}..."
                retry(2) {
                  bat """
                    ssh -i "%SSH_KEY%" -o StrictHostKeyChecking=no ${PROD_USER}@${PROD_HOST} "${remoteCmd}"
                  """
                }
              }

              // 上传 versions.json 到服务器
              bat """
                scp -i "%SSH_KEY%" -o StrictHostKeyChecking=no versions.json ${PROD_USER}@${PROD_HOST}:/opt/xuqm/deploy/versions.json
              """
            }
          }
        }
      }
    }
  }

  post {
    success { echo "✅ ${params.SERVICE} v${env.SERVICE_VERSION} (platform ${env.PLATFORM_VERSION}) 构建部署成功" }
    failure  { echo "❌ 构建失败，请检查日志" }
  }
}