// 武将特技表
import { readFileAndParse, decodeArrayListStr, parseNumberList } from '../util'
import { FILENAME } from '../../consts'

export interface DicRandomEffectPool {

    // 特技id
    readonly id: number;
    // 类型
    readonly type: number;
    // 包含的值
    readonly gainValueArr: Array<number>;
    // 随机值位置
    readonly index: number;
    // 随机最小值
    readonly Min: number;
    // 随机最大值
    readonly Max: number;
    // 分割
    readonly gap: number;
    // 分割
    readonly rate: {min: number, max: number, weight: number}[];
    // 组别
    readonly group: number;
    // 等级
    readonly level: number;

}

export const dicRandomEffectPool = new Map<number, DicRandomEffectPool>();
export const dicRandomEffectPoolByGroupAndLv = new Map<string, number>();
export function loadRandomEffectPool() {
    dicRandomEffectPool.clear();
    
    let arr = readFileAndParse(FILENAME.DIC_RANDOM_EFFECT_POOL);

    arr.forEach(o => {
        o.rate = parseRate(o.count);
        o.gainValueArr = parseNumberList(o.gainvalue);
        dicRandomEffectPool.set(o.id, o);
        dicRandomEffectPoolByGroupAndLv.set(`${o.group}_${o.level}`, o.id);
    });
    arr = undefined;
}

function parseRate(str: string) {

    let result: {min: number, max: number, weight: number}[] = [];
    if(!str) return result;
    let decodeArr = decodeArrayListStr(str);
    for(let [min, max, weight] of decodeArr) {
        if(isNaN(parseInt(min)) || isNaN(parseInt(max)) || isNaN(parseInt(weight))) {
            throw new Error('data table format wrong');
        }
        result.push({min: parseInt(min), max: parseInt(max), weight: parseInt(weight) });
    }
    return result
}