import { parseAppmsgMessagePayload, AppMessagePayload, AppMessageType } from "../messages/message-appmsg.js";
import type * as PUPPET from "wechaty-puppet";
import type PadLocal from "padlocal-client-ts/dist/proto/padlocal_pb.js";
import type { EventPayload } from "./event.js";

const ROOM_OTHER_INVITE_TITLE_ZH = [ /邀请你加入群聊/ ];
const ROOM_OTHER_INVITE_TITLE_EN = [ /Group Chat Invitation/ ];
const ROOM_OTHER_INVITE_LIST_ZH = [ /^"(.+)"邀请你加入群聊(.*)，进入可查看详情。/ ];
const ROOM_OTHER_INVITE_LIST_EN = [ /"(.+)" invited you to join the group chat "(.+)"\. Enter to view details\./ ];

export default async(_puppet: PUPPET.Puppet, message: PadLocal.Message.AsObject): Promise<EventPayload> => {
  let appMsgPayload: AppMessagePayload;
  try {
    appMsgPayload = await parseAppmsgMessagePayload(message.content);
  } catch (e) {
    return null;
  }

  if (appMsgPayload.type !== AppMessageType.Url) {
    return null;
  }

  if (!appMsgPayload.title || !appMsgPayload.des) {
    return null;
  }

  let matchesForOtherInviteTitleEn = null as null | string[];
  let matchesForOtherInviteTitleZh = null as null | string[];
  let matchesForOtherInviteEn = null as null | string[];
  let matchesForOtherInviteZh = null as null | string[];

  ROOM_OTHER_INVITE_TITLE_EN.some((regex) => !!(matchesForOtherInviteTitleEn = appMsgPayload.title.match(regex)));
  ROOM_OTHER_INVITE_TITLE_ZH.some((regex) => !!(matchesForOtherInviteTitleZh = appMsgPayload.title.match(regex)));
  ROOM_OTHER_INVITE_LIST_EN.some((regex) => !!(matchesForOtherInviteEn = appMsgPayload.des!.match(regex)));
  ROOM_OTHER_INVITE_LIST_ZH.some((regex) => !!(matchesForOtherInviteZh = appMsgPayload.des!.match(regex)));

  const titleMatch = matchesForOtherInviteTitleEn || matchesForOtherInviteTitleZh;
  const matchInviteEvent = matchesForOtherInviteEn || matchesForOtherInviteZh;
  const matches = !!titleMatch && !!matchInviteEvent;

  if (!matches) {
    return null;
  }

  return {
    avatar: appMsgPayload.thumburl,
    id: message.id,
    invitation: appMsgPayload.url,
    inviterId: message.fromusername,
    memberCount: 0,
    memberIdList: [],
    receiverId: message.tousername,
    timestamp: message.createtime,
    topic: matchInviteEvent![2],
  } as PUPPET.payloads.RoomInvitation;
};