import Alert from "./Alert";
import ISidebarData from "../../interface/ISidebarData";
import FetchUtils from "./FetchUtils";
import ClassName from "../../container/ClassName";
import { Injectable } from "../../container/Injectable";
import Logger from "../Logger";

@ClassName('InfoUtils')
@Injectable()
export default class InfoUtils {

    constructor(
        // TODO 循环依赖
        // private readonly commonUtils: CommonUtils,
        private readonly fetchUtils: FetchUtils,
        private readonly logger: Logger,
    ) {
    }

    /**
     * 返回玩家信息的对象 { playername: string, userID: number }
     * @return {PlayerInfo} rs
     */
    public getPlayerInfo(): PlayerInfo {
        const node = document.querySelector('script[uid]');
        if (node) {
            return {
                playername: node.getAttribute('name'),
                userID: parseInt(node.getAttribute('uid')),
            }
        } else {
            (() => new Alert('严重错误：芜湖助手无法获取用户数据，已退出'))();
            throw '芜湖助手无法获取用户数据';
        }
    }

    /**
     * 返回玩家的部分实时数据
     */
    public async getSessionData(): Promise<ISidebarData> {
        let field: string = 'sidebarData' + this.getPlayerInfo().userID;
        let ret: ISidebarData = {};
        return new Promise(async resolve => {
            let c = 0;
            while (!sessionStorage.getItem(field) && c < 50) {
                c++;
                // await (async () => await this.commonUtils.sleep(10))();
                await (async () => window.setTimeout(() => Promise.resolve(), 10))();
            }
            if (sessionStorage.getItem(field)) {
                try {
                    ret = JSON.parse(sessionStorage.getItem(field));
                } catch (e) {
                    this.logger.error('解析出错', e.stack || e.message || e);
                    ret = {};
                }
            } else {
                this.logger.info('无法从sessionStorage获取数据')
                ret = await (await this.fetchUtils.ajaxFetch({
                    url: window.addRFC('/sidebarAjaxAction.php?q=getSidebarData'),
                    method: 'POST',
                })).json();
                sessionStorage.setItem(field, JSON.stringify(ret));
            }
            try {
                ret.headerData = JSON.parse(sessionStorage.getItem('headerData'));
            } catch (e) {
                this.logger.error('解析出错', e.stack || e.message || e);
                ret.headerData = null;
            }
            resolve(ret);
        });
    }

    /**
     * 返回玩家当前的边栏菜单列表 如gym crimes
     */
    public async getSidebarData() {
        return (await this.getSessionData()).areas;
    }

    /**
     * 玩家的基础信息
     * {status: string, isLoggedIn: boolean, isDonator: boolean, isTravelling: boolean, isAbroad: boolean}
     */
    public async getUserState() {
        return (await this.getSessionData()).headerData.user.state;
    }
}