pipeline {
  agent none

  options {
    disableConcurrentBuilds()
    skipDefaultCheckout(true)
    buildDiscarder(logRotator(numToKeepStr: '20', artifactNumToKeepStr: '20'))
  }

  environment {
    GIT_REMOTE_URL = 'http://127.0.0.1:3000/GenarrativeAI/Genarrative.git'
    WEB_ARTIFACT_ROOT = '/var/cache/genarrative-build/web-artifacts'
  }

  parameters {
    choice(name: 'DEPLOY_TARGET', choices: ['development', 'release'], description: '逻辑部署目标；development 使用当前 Linux 开发/构建/开发部署 agent')
    booleanParam(name: 'CONFIRM_RELEASE_DEPLOY_AGENT', defaultValue: false, description: '确认 release 目标已有独立 release 部署 agent；当前 Linux 开发/构建/开发部署 agent 不可冒充 release 部署机')
    string(name: 'SOURCE_BRANCH', defaultValue: 'master', description: '部署脚本来源分支')
    string(name: 'COMMIT_HASH', defaultValue: '', description: '部署脚本来源 commit；上游触发时传实际构建 commit')
    string(name: 'NOTIFICATION_EMAILS', defaultValue: '', description: '本次运行追加通知邮箱；会与 Jenkins Secret Text 凭据 genarrative-notification-emails 合并发送')
    string(name: 'BUILD_VERSION', defaultValue: '', description: '待发布版本号')
    string(name: 'BUILD_JOB_NAME', defaultValue: 'Genarrative-Web-Build', description: 'Web 构建流水线作业名')
    string(name: 'BUILD_NUMBER_TO_DEPLOY', defaultValue: '', description: '要复制归档产物的上游构建号')
    string(name: 'RELEASE_ROOT', defaultValue: '/opt/genarrative/releases', description: '生产 release 根目录')
    string(name: 'CURRENT_LINK', defaultValue: '/opt/genarrative/current', description: '当前版本软链接')
    string(name: 'WEB_LINK', defaultValue: '/srv/genarrative/web', description: 'Nginx 静态站点软链接')
  }

  stages {
    stage('Prepare') {
      agent {
        label 'linux && genarrative-build'
      }
      steps {
        script {
          if (params.DEPLOY_TARGET == 'release' && !params.CONFIRM_RELEASE_DEPLOY_AGENT) {
            error('release 部署需要先配置独立 release 部署 agent，并勾选 CONFIRM_RELEASE_DEPLOY_AGENT。当前 Linux 开发/构建/开发部署 agent 不能执行 release 部署。')
          }
          if (!params.BUILD_VERSION?.trim()) {
            error('BUILD_VERSION 不能为空。')
          }
          if (!params.BUILD_JOB_NAME?.trim()) {
            error('BUILD_JOB_NAME 不能为空。')
          }
          if (!params.BUILD_NUMBER_TO_DEPLOY?.trim()) {
            error('BUILD_NUMBER_TO_DEPLOY 不能为空。')
          }
        }
      }
    }

    stage('Checkout Deploy Scripts') {
      agent {
        label "${params.DEPLOY_TARGET == 'development' ? 'linux && genarrative-build' : 'linux && genarrative-release-deploy'}"
      }
      steps {
        checkout([
          $class: 'GitSCM',
          branches: [[name: "*/${params.SOURCE_BRANCH}"]],
          doGenerateSubmoduleConfigurations: false,
          extensions: [[$class: 'CleanBeforeCheckout']],
          userRemoteConfigs: [[url: "${GIT_REMOTE_URL}"]],
        ])
        sh '''
          bash -lc '
            set -euo pipefail
            chmod +x scripts/jenkins-checkout-source.sh
            SOURCE_BRANCH="${SOURCE_BRANCH:-master}" \
            COMMIT_HASH="${COMMIT_HASH:-}" \
            GIT_REMOTE_URL="${GIT_REMOTE_URL}" \
            SOURCE_COMMIT_FILE=".jenkins-source-commit" \
            scripts/jenkins-checkout-source.sh
          '
        '''
      }
    }

    stage('Fetch Artifact') {
      agent {
        label "${params.DEPLOY_TARGET == 'development' ? 'linux && genarrative-build' : 'linux && genarrative-release-deploy'}"
      }
      steps {
        copyArtifacts(
          projectName: params.BUILD_JOB_NAME,
          selector: specific(params.BUILD_NUMBER_TO_DEPLOY),
          filter: "build/${params.BUILD_VERSION}/web.tar.gz.sha256,build/${params.BUILD_VERSION}/release-manifest.json,build/${params.BUILD_VERSION}/web-artifact-pointer.txt",
          target: '.',
          fingerprintArtifacts: true
        )
        sh '''
          bash -lc '
            set -euo pipefail

            artifact_dir="${WEB_ARTIFACT_ROOT}/${BUILD_JOB_NAME}/${BUILD_NUMBER_TO_DEPLOY}/${BUILD_VERSION}"
            if [[ ! -f "${artifact_dir}/web.tar.gz" ]]; then
              echo "[web-deploy] 未找到构建机本地 Web 大包: ${artifact_dir}/web.tar.gz" >&2
              echo "[web-deploy] development 目标要求 Web 构建与发布共享同一 Linux 构建/开发部署机；release 目标需要预先同步或挂载 ${WEB_ARTIFACT_ROOT}。" >&2
              exit 1
            fi

            mkdir -p "build/${BUILD_VERSION}"
            cp -f "${artifact_dir}/web.tar.gz" "build/${BUILD_VERSION}/web.tar.gz"
            if [[ -f "${artifact_dir}/web.tar.gz.sha256" ]]; then
              cp -f "${artifact_dir}/web.tar.gz.sha256" "build/${BUILD_VERSION}/web.tar.gz.sha256"
            fi
            if [[ -f "${artifact_dir}/release-manifest.json" ]]; then
              cp -f "${artifact_dir}/release-manifest.json" "build/${BUILD_VERSION}/release-manifest.json"
            fi
            echo "[web-deploy] 已从构建机本地目录获取 Web 大包: ${artifact_dir}"
          '
        '''
      }
    }

    stage('Deploy Web') {
      agent {
        label "${params.DEPLOY_TARGET == 'development' ? 'linux && genarrative-build' : 'linux && genarrative-release-deploy'}"
      }
      steps {
        sh '''
          bash -lc '
            set -euo pipefail
            chmod +x scripts/deploy/production-web-deploy.sh
            scripts/deploy/production-web-deploy.sh \
              --source-dir "build/${BUILD_VERSION}" \
              --version "${BUILD_VERSION}" \
              --release-root "${RELEASE_ROOT}" \
              --current-link "${CURRENT_LINK}" \
              --web-link "${WEB_LINK}"
          '
        '''
      }
    }
  }

  post {
    always {
      script {
        def notificationParameters = [
          string(name: 'SOURCE_JOB_NAME', value: env.JOB_NAME),
          string(name: 'SOURCE_BUILD_NUMBER', value: env.BUILD_NUMBER),
          string(name: 'SOURCE_BUILD_URL', value: env.BUILD_URL ?: ''),
          string(name: 'SOURCE_RESULT', value: currentBuild.currentResult ?: 'UNKNOWN'),
          string(name: 'SOURCE_BRANCH', value: params.SOURCE_BRANCH ?: ''),
          string(name: 'SOURCE_COMMIT', value: env.SOURCE_COMMIT ?: (params.COMMIT_HASH ?: '')),
          string(name: 'BUILD_VERSION', value: env.EFFECTIVE_BUILD_VERSION ?: (params.BUILD_VERSION ?: '')),
          string(name: 'DEPLOY_TARGET', value: params.DEPLOY_TARGET ?: ''),
          string(name: 'DATABASE', value: params.DATABASE ?: ''),
          string(name: 'SUMMARY', value: 'Web 发布流水线结束'),
        ]
        def notificationRecipients = params.NOTIFICATION_EMAILS?.trim()
        if (notificationRecipients) {
          notificationParameters.add(string(name: 'EMAIL_RECIPIENTS', value: notificationRecipients))
        }
        try {
          build job: 'Genarrative-Notify-Email',
            wait: false,
            propagate: false,
            parameters: notificationParameters
        } catch (error) {
          echo "邮件通知触发失败: ${error.message}"
        }
      }
    }
    success {
      echo "Web 发布完成: version=${params.BUILD_VERSION}"
    }
  }
}