package com.jfireel.expression.util;

import com.mixsmart.utils.CustomFunction;
import com.mixsmart.utils.ListUtils;
import com.mixsmart.utils.StringUtils;

import java.util.List;

/**
 * @author yangyj
 * @Date 2023/3/10 16:41
 * @description TODO
 */
public class ValueUtil {
    public static Object[] obtain(Object left, Object right) {
        if (StringUtils.isNotEmpty(left, right)) {
            if (left instanceof List) {
                List<Object> tmp = CustomFunction.obj2ListNe(left);
                if (tmp.size() == 0) {
                    return null;
                }
                left = sum(tmp);
            }
            if (right instanceof List) {
                List<Object> tmp = CustomFunction.obj2ListNe(right);
                if (tmp.size() == 0) {
                    return null;
                }
                right = sum(tmp);

            }
            if (StringUtils.isNotEmpty(left) && StringUtils.isNotEmpty(right)) {
                return new Object[]{left, right};
            }
        }
        return null;
    }

    /**
     * 判断条件 处理字母+数字的数据 去掉字母
     * @param left
     * @param right
     * @param letterNumber
     * @return
     */
    public static Object[] obtain(Object left, Object right, boolean letterNumber) {
        if (StringUtils.isNotEmpty(left, right)) {
            if (left instanceof List) {
                List<Object> tmp = CustomFunction.obj2ListNe(left);
                if (tmp.size() == 0) {
                    return null;
                }
                if(tmp.size() == 1){
                    if(StringUtils.isNumber(tmp.get(0).toString())){
                        left = Double.valueOf(tmp.get(0).toString());
                    }else{
                        left = tmp.get(0);
                    }

                }else{
                    left = sum(tmp);
                }
            }
            if (right instanceof List) {
                List<Object> tmp = CustomFunction.obj2ListNe(right);
                if (tmp.size() == 0) {
                    return null;
                }
                if(tmp.size() == 1){
                    if(StringUtils.isNumber(tmp.get(0).toString())){
                        right = Double.valueOf(tmp.get(0).toString());
                    }else{
                        right = tmp.get(0);
                    }
                }else{
                    right = sum(tmp);
                }

            }
            if (StringUtils.isNotEmpty(left) && StringUtils.isNotEmpty(right)) {
                if (letterNumber) {
                    left = isLetterNumber(left);
                    right = isLetterNumber(right);
                }
                return new Object[]{left, right};
            }
        }
        return null;
    }
    public static Object sum(List<Object> list) {
        if (ListUtils.isNotEmpty(list)) {
            return (float) list.stream().filter(StringUtils::isNumber).map(StringUtils::handleNull).mapToDouble(Double::parseDouble).sum();
        }
        return 0;
    }

    public static Object isLetterNumber(Object str){
        // 检查是否是字母数字组合（必须同时包含字母和数字，且只包含字母数字）
        if (str != null && str.toString().matches("^(?=.*[a-zA-Z])(?=.*\\d)[a-zA-Z\\d]+$")) {
            // 提取所有数字
            return Double.valueOf(str.toString().replaceAll("[^0-9]", ""));
        }
        return str;
    }
}