package com.zy.crm.common.utils;


import com.zy.crm.common.entity.RouteCollectCountType;

import java.util.ArrayList;
import java.util.List;

import static java.util.stream.Collectors.toList;

/**
 * Created by Monkey D. Luffy on 2023/7/18
 */
public class SetOfUtils {

//    正序
    public static final List<Integer> TRACK_POSITION_POSITIVE_SEQUENCE = new ArrayList<Integer>() {{
        add(1);add(2);add(3);add(4);add(5);add(6);add(7);add(8);add(9);add(10);add(11);add(12);
    }};
//    反序
    public static final List<Integer> TRACK_POSITION_REVERSE_SEQUENCE = new ArrayList<Integer>() {{
        add(12);add(11);add(10);add(9);add(8);add(7);add(6);add(5);add(4);add(3);add(2);add(1);
    }};

    public static String zerofill(String msg, Integer count){
        if (msg.length() == count){
            return msg;
        } else if (msg.length() > count){
            return msg.substring(0, 16);
        } else {
            StringBuilder msgBuilder = new StringBuilder(msg);
            for (int i = 0; i<count-msg.length(); i++){
                msgBuilder.insert(0,"0");
            }
            return msgBuilder.toString();
        }
    }

    // 获取当前小车未行走的路线集合
    public static List<Integer> getRoute(Integer groupStart,Integer groupEnd){
        boolean sign = groupStart < groupEnd;
        List<Integer> result = new ArrayList<>();
        List<Integer> groupRoute = null;
        if (sign){
            groupRoute = TRACK_POSITION_POSITIVE_SEQUENCE;
        }else {
            groupRoute = TRACK_POSITION_REVERSE_SEQUENCE;
        }
        if (groupRoute.contains(groupStart) && groupRoute.contains(groupEnd)) {
            sign = false;
            for (Integer route : groupRoute) {
                if (route.equals(groupStart)){
                    sign=true;
                }
                if (route.equals(groupEnd)){
                    result.add(route);
                    break;
                }
                if (sign){
                    result.add(route);
                }
            }
        }else {
            return null;
        }
        return result;
    }

    //是否有交集
    public static boolean getRouteBoolean(List<Integer> groupCurrent,List<Integer> groupOther){
        for (Integer positionCurrent : groupCurrent){
            for (Integer positionOther : groupOther){
                if (positionCurrent.equals(positionOther)){
                    return true;
                }
            }
        }
        return false;
    }

    //集合运算
    public static List<Integer> getRouteIntersection(List<Integer> groupCurrent, List<Integer> groupOther, RouteCollectCountType routeCollectCountType){
        switch (routeCollectCountType){
            case INTERSECTION:
                //交集
                return groupCurrent.stream().filter(item -> groupOther.contains(item)).collect(toList());
            case DIFFERENCESET:
                //差集
                return groupCurrent.stream().filter(item -> !groupOther.contains(item)).collect(toList());
            case UNION:
                //并集
                groupCurrent.addAll(groupOther);
                return groupCurrent;
            case DEDUPLICATIONUNION:
                //去重并集
                groupCurrent.addAll(groupOther);
                return groupCurrent.stream().distinct().collect(toList());
            default:
                return null;
        }
    }

    //集合运算
    public static List<String> getRouteIntersectionString(List<String> groupCurrent, List<String> groupOther, RouteCollectCountType routeCollectCountType){
        switch (routeCollectCountType){
            case INTERSECTION:
                //交集
                List<String> intersection = groupCurrent.stream().filter(item -> groupOther.contains(item)).collect(toList());
                return intersection;
            case DIFFERENCESET:
                //差集
                List<String> reduce1 = groupCurrent.stream().filter(item -> !groupOther.contains(item)).collect(toList());
                return reduce1;
            case UNION:
                //并集
                List<String> listAll = groupCurrent.parallelStream().collect(toList());
                List<String> listAll2 = groupOther.parallelStream().collect(toList());
                listAll.addAll(listAll2);
                return listAll;
            case DEDUPLICATIONUNION:
                //去重并集
                List<String> listAll1 = groupCurrent.parallelStream().collect(toList());
                List<String> listAll21 = groupOther.parallelStream().collect(toList());
                listAll1.addAll(listAll21);
                List<String> listAllDistinct = listAll1.stream().distinct().collect(toList());
                return listAllDistinct;
            default:
                return null;
        }
    }

    public static void main(String[] arge){
        List<Integer> routeCurrent = getRoute(2, 9);  //获取当前小车路径
        List<Integer> routeOther = getRoute(12, 5);  //获取其它小车路径
        System.out.println("当前小车路径:\t"+routeCurrent);
        System.out.println("其它小车路径:\t"+routeOther);

        boolean routeBoolean = getRouteBoolean(routeCurrent, routeOther);  //是否有交集
        System.out.println("是否有交集:\t"+routeBoolean);

        List<Integer> routeIntersection = getRouteIntersection(routeCurrent, routeOther, RouteCollectCountType.INTERSECTION);//交集
        System.out.println("路径交集：\t"+routeIntersection);

        List<Integer> routeIntersection1 = getRouteIntersection(routeCurrent, routeOther, RouteCollectCountType.DIFFERENCESET);//差集
        System.out.println("路径差集：\t"+routeIntersection1);

        List<Integer> routeIntersection2 = getRouteIntersection(routeCurrent, routeOther, RouteCollectCountType.UNION);//并集
        System.out.println("路径并集：\t"+routeIntersection2);

        List<Integer> routeIntersection3 = getRouteIntersection(routeCurrent, routeOther, RouteCollectCountType.DEDUPLICATIONUNION);//去重并集
        System.out.println("路径去重并集：\t"+routeIntersection3);
    }

}