#!/usr/bin/env groovy

def call(Map args = [:]) {
    String distName    = args.distName    ?: env.DIST_NAME    ?: 'dist'
    String distPath    = args.distPath    ?: env.DIST_PATH    ?: "${env.WORKSPACE}/dist"
    String remoteHost  = args.remoteHost  ?: env.REMOTE_HOST  ?: error('REMOTE_HOST 未配置')
    String remotePath  = args.remotePath  ?: env.REMOTE_PATH  ?: error('REMOTE_PATH 未配置')

    String remoteDist  = "${remotePath}/${distName}"
    String backupName  = "${distName}-\$(date +%Y%m%d%H%M)"

    PrintMes("开始发布 ${distName} 到 ${remoteHost}", 'yellow')

    try {
        /* 1. 判断远程是否存在同名目录，存在则备份 */
        sh """
            ssh -o StrictHostKeyChecking=no ${remoteHost} \
                'if [ -d ${remoteDist} ]; then
                     mv ${remoteDist} ${remotePath}/${backupName} &&
                     echo "备份完成：${backupName}"
                 fi'
        """

        /* 2. 上传新包 */
        sh """
            scp -o StrictHostKeyChecking=no -r ${distPath} ${remoteHost}:${remoteDist}
        """

        /* 3. 刷新服务 */
        sh """
            ssh -o StrictHostKeyChecking=no ${remoteHost} \
                'chmod -R 755 ${remoteDist} &&
                 chown -R www-data:www-data ${remoteDist} &&
                 nginx -t && nginx -s reload'
        """

        PrintMes("发布成功 ${distName}", 'green')
    } catch (Exception e) {
        PrintMes("发布失败 ${distName} : ${e.message}", 'red')
        error('deployDist failed')
    }
}