import { STATUS } from '../app/consts/statusCode';

export function genCode(len) {
    const chars = '123456789ABCDEFGHJKLMNPQRSTWXYZabcdefghijklmnopqrstuvwxyz';
    const charArr = chars.split('');
    let code = '';
    for (let i = 0; i < len; i++) {
        code += charArr[Math.floor(Math.random() * charArr.length)];
    }
    return code;
}

/**
 * 从一个数组中随机返回1元素
 * @param source
 */
 export function getRandSingleEelm<T>(source: Array<T>): T {
    let len = source.length;
    return source[Math.floor(Math.random() * len)]
}

export function resResult<T>(status: { code: number, simStr: string }, data: T = <T>{}, customMsg = ''): { code: number, msg: string, data: T } {
    const { code, simStr } = status;
    if (code !== STATUS.SUCCESS.code) {
        console.log(`normal err, code: ${code}, des: ${customMsg || simStr}`);
    }
    return { code, msg: customMsg || simStr, data };
}