package com.ruoyi.cwgl.service.impl;

import com.ruoyi.common.utils.StringUtils;
import com.ruoyi.cwgl.domain.ReceivableLineTruckPriceRule;

import java.math.BigDecimal;
import java.util.List;

/**
 * 精确运费规则匹配服务
 */
public class ExactPricingRuleMatcher {

    /**
     * 查找匹配的运费规则
     * @param rules 所有运费规则列表
     * @param customerName 客户名称
     * @param departureLocation 出发地完整地址
     * @param arrivalLocation 目的地完整地址
     * @param vehicleType 车型
     * @return 匹配的运费规则，没有则返回null
     */
    public static ReceivableLineTruckPriceRule findExactMatchingRule(
            List<ReceivableLineTruckPriceRule> rules,
            String customerName,
            String departureLocation,
            String arrivalLocation,
            String vehicleType) {
        

        
        for (ReceivableLineTruckPriceRule rule : rules) {
            // 客户名称必须完全匹配
            if (!isFieldMatch(rule.getCustomerName(), customerName)) {
                continue;
            }
            
            // 车型必须完全匹配
            if (!isFieldMatch(rule.getVehicleType(), vehicleType)) {
                continue;
            }
            
            // 发货地匹配：规则中的发货市和区必须都包含在实际发货地址中
            if (!isAddressMatch(rule.getDepartureCity(), rule.getDepartureDistrict(),
                    departureLocation)) {
                continue;
            }
            
            // 收货地匹配：规则中的收货市和区必须都包含在实际收货地址中
            if (!isAddressMatch(rule.getArrivalCity(), rule.getArrivalDistrict(),
                    arrivalLocation)) {
                continue;
            }
            
            // 所有条件都满足，返回匹配的规则
            return rule;
        }
        
        return null;
    }
    
    /**
     * 地址匹配逻辑
     */
    private static boolean isAddressMatch(String ruleCity, String ruleDistrict, 
                                        String location) {
       boolean cityFlag = true;
       boolean districtFlag = true;
        if(StringUtils.isNotEmpty(ruleCity) && !location.contains(ruleCity)){
            cityFlag = false;
        }

     if(StringUtils.isNotEmpty(ruleDistrict) && !location.contains(ruleDistrict)){
         districtFlag = false;
        }

        

        
        return (cityFlag&&districtFlag);
    }
    
    /**
     * 普通字段匹配逻辑
     */
    private static boolean isFieldMatch(String ruleValue, String actualValue) {
        // 如果规则中定义了值，则必须完全匹配
        return ruleValue == null || ruleValue.isEmpty() || ruleValue.equals(actualValue);
    }
    

}