import { getBluePrtByQuality } from "../pubUtils/gamedata";
import { getRandEelm } from "../pubUtils/util";

/**
 * 在给定的品质列表中随机返回一定数量的藏宝图Id
 * @param qualityArr 品质数组，在所有给定品质的藏宝图中筛选1
 * @param cnt 返回藏宝图数量
 */
export async function getRandBlueprtId(qualityArr: Array<number>, cnt = 1) {
    if (!qualityArr || !qualityArr.length) return null;
    let blueprtIdArr = [];
    for (let q of qualityArr) {
        blueprtIdArr = blueprtIdArr.concat(getBluePrtByQuality(q));
    }
    if (blueprtIdArr.length === 0) return null;
    const res = getRandEelm(blueprtIdArr, cnt);
    return res;
}