exports.DefaultHttpHeader = class DefaultHttpHeader {

    constructor() {
      this.fields = [
        ['Authorization', 'Users unique access-key.'],
      ];
    }

};

exports.ReqHead = class ReqHead {

    constructor() {
      this.fields = [
        ['account_id', 0, '账号id'],
        ['session_id', '', '会话id'],
      ];
    }

};

exports.RspHead = class RspHead {

    constructor() {
      this.fields = [
        ['code', 0, '错误码/0 成功；1 失败'],
        ['message', '', '错误描述'],
      ];
    }

};

exports.Attachment = class {

    constructor() {
      this.fields = [
        ['itemid', 0, '道具id'],
        ['itemnum', 0, '道具数量'],
      ];
    }

};

exports.Mail = class {

    constructor() {
      this.fields = [
        ['mail_id', '', '邮件唯一id'],
        ['mail_type', '', '邮件类型'],
        ['subject', '', '邮件标题'],
        ['content', '', '邮件内容'],
        ['!recipients', '', '收件人列表'],
        ['!attachments', Attachment(), '邮件附件'],
        ['deleted', 0, '是否已删除'],
        ['sendtime', 0, '发送时间'],
        ['user_reg_start_time', 0, '用户注册开始时间'],
        ['user_reg_end_time', 0, '用户注册结束时间'],
        ['expiretime', 0, '邮件过期时间'],
        ['createtime', 0, '邮件创建时间'],
        ['modifytime', 0, '邮件修改时间'],
      ];
    }

};

exports.UserGroup = class {

    constructor() {
      this.fields = [
        ['group_id', '', '组id'],
        ['group_name', '', '组名'],
        ['group_desc', '', '描述'],
        ['enabled', 0, '是否已启用'],
        ['deleted', 0, '是否已删除'],
        ['createtime', 0, '创建时间'],
        ['modifytime', 0, '修改时间'],
      ];
    }

};