import { Observable } from 'rxjs';
import { _HttpClient } from '@delon/theme';
import { Inject, Injectable } from '@angular/core';

import { User } from '@domain';


interface Access {
    accessStyle: string;
    userName: string;
    mobile: string;
}

/**
 * 处理登录名,将之转换为手机号或用户名
 * 处理登录名和密码,将之转换为用户实例User
 *
 * @export
 * @class UserService
 */
@Injectable({providedIn: 'root'}) // 只注入到core 不是顶层
export class UserService {

    private uri: string;
    phonerule = /^\d+$/;


/**
 *构造函数用于注入服务的依赖以及进行必要的初始化
 * @param {*} urisConfig
 * @memberof UserService
 */
    constructor(
        // @Inject('uris') private urisConfig,
        // private http: _HttpClient
    ) {
        // this.uri = urisConfig.usersUri;
    }


    public get_accessStyle(accessNo: string): string {
        let accessStyle = 'USERNAME';
        if ( this.phonerule.test(accessNo) ) {
            accessStyle = 'PHONE';
        } else if (accessNo === '' || accessNo === 'null' || accessNo === null) {
            accessStyle = '';
        }
        return accessStyle;
    }

    public get_mobile(accessStyle: string, accessNo: string): string {
        let mobile = '';
        if ( accessStyle === 'PHONE' )  {
            mobile = accessNo;
        }
        return mobile;
    }

    public get_userName(accessStyle: string, accessNo: string): string {
        let userName = '';
        if ( accessStyle === 'USERNAME' )  {
            userName = accessNo;
        }
        return userName;
    }

    public createUser(accessStyle, accessNo, password): User {
        const user: User = new User();
        if (accessStyle === 'USERNAME') {
            user.userName = accessNo;
            user.password = password;
        } else if (accessStyle === 'PHONE') {
            user.mobile = accessNo;
            user.password = password;
        }
        return user;
    }


    public createAccess(accessNo: string): Access {
        const accessStyle = this.get_accessStyle(accessNo);
        const access = {
            name:  this.get_userName(accessStyle, accessNo),
            phone: this.get_mobile(accessStyle, accessNo)
        };
        return {
            accessStyle: accessStyle,
            userName:    access.name,
            mobile:      access.phone
        };
    }
}