/*
 * Copyright (c) 2020 WildFireChat. All rights reserved.
 */

import wfc from "../../client/wfc";
import MessageContentType from "../messageContentType";

import GroupNotificationContent from "./groupNotification";

export default class ModifyGroupExtraNotification extends GroupNotificationContent {
  operator = "";
  groupExtra = "";

  constructor(creator, groupExtra) {
    super(MessageContentType.ModifyGroupExtra_Notification);
    this.operator = creator;
    this.groupExtra = groupExtra;
  }

  formatNotification() {
    let notificationStr = "";
    if (this.fromSelf) {
      notificationStr += "你";
    } else {
      let userInfo = wfc.getUserInfo(this.operator, false, this.groupId);
      if (userInfo.friendAlias) {
        notificationStr += userInfo.friendAlias;
      } else if (userInfo.displayName) {
        notificationStr += userInfo.displayName;
      } else {
        notificationStr += this.operator;
      }
    }
    notificationStr += "修改";
    notificationStr += "群附加信息为";
    notificationStr += this.groupExtra;

    return notificationStr;
  }

  encode() {
    let payload = super.encode();
    let obj = {
      g: this.groupId,
      n: this.groupExtra,
      o: this.operator,
    };
    payload.binaryContent = wfc.utf8_to_b64(JSON.stringify(obj));
    return payload;
  }

  decode(payload) {
    super.decode(payload);
    let json = wfc.b64_to_utf8(payload.binaryContent);
    let obj = JSON.parse(json);
    this.groupId = obj.g;
    this.operator = obj.o;
    this.groupExtra = obj.n;
  }
}
