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

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

import GroupNotificationContent from "./groupNotification";

export default class QuitGroupNotification extends GroupNotificationContent {
  operator = "";

  constructor(operator) {
    super(MessageContentType.QuitGroup_Notification);
    this.operator = operator;
  }

  formatNotification() {
    if (this.fromSelf) {
      return "您退出了群组";
    } else {
      return wfc.getGroupMemberDisplayName(this.groupId, this.operator) + "退出了群组";
    }
  }

  encode() {
    let payload = super.encode();
    let obj = {
      g: this.groupId,
      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;
  }
}
