package com.zy.common.utils;

import com.alibaba.fastjson.JSON;
import com.alibaba.fastjson.JSONObject;
import com.core.common.SpringUtils;
import com.zy.asrs.entity.BasMap;
import com.zy.asrs.entity.LocMast;
import com.zy.asrs.service.LocMastService;
import com.zy.common.model.MapNode;
import com.zy.common.model.NavigateNode;
import com.zy.common.model.enums.NavigationMapType;
import com.zy.core.enums.ShuttleTaskModeType;
import org.springframework.stereotype.Component;

import java.io.*;
import java.util.ArrayList;
import java.util.Date;
import java.util.List;

/**
 * A*算法地图获取类
 */
@Component
public class NavigateMapData {

    private Integer lev;//地图楼层

    public NavigateMapData() {
        this.lev = 1;
    }

    public NavigateMapData(Integer lev) {
        this.lev = lev;
    }

    public int[][] getData() {
        return getData(NavigationMapType.NONE.id, null, null);//默认读取无过滤的全部地图数据
    }

    public int[][] getData(Integer mapType, List<int[]> whitePoints, List<int[]> shuttlePoints) {
        try {
            String mapFilename = "map_" + lev + ".json";

            String fileName = this.getClass().getClassLoader().getResource(mapFilename).getPath();//获取文件路径
            File file = new File(fileName);
            StringBuffer stringBuffer = new StringBuffer();
            if (file.isFile() && file.exists()) {
                InputStreamReader isr = new InputStreamReader(new FileInputStream(file), "GBK");
                BufferedReader br = new BufferedReader(isr);
                String lineTxt = null;
                while ((lineTxt = br.readLine()) != null) {
                    stringBuffer.append(lineTxt);
                }
                br.close();

                //解析json地图数据
                ArrayList arrayList = JSON.parseObject(stringBuffer.toString(), ArrayList.class);
                List<List<MapNode>> lists = filterMap(mapType, arrayList, lev, whitePoints, shuttlePoints);//过滤地图数据
                int[][] map = new int[lists.size()][];
                int j = 0;
                for (List<MapNode> list : lists) {
                    int[] tmp = new int[list.size()];
                    int i = 0;
                    for (MapNode mapNode : list) {
                        //将数据添加进二维数组
                        tmp[i++] = mapNode.getValue();
                    }
                    //数据添加进一维数组
                    map[j++] = tmp;
                }

                return map;
            } else {
                System.out.println("文件不存在!");
            }
        } catch (IOException ioException) {
            ioException.printStackTrace();
        }
        return null;
    }

    /**
     * 尝试从redis获取数据
     */
    public int[][] getDataFromRedis(Integer mapType, List<int[]> whitePoints, List<int[]> shuttlePoints) {
        RedisUtil redisUtil = SpringUtils.getBean(RedisUtil.class);
        Object o = redisUtil.get("realtimeBasMap_" + lev);
        if (o == null) {
            return null;
        }

        BasMap basMap = JSON.parseObject(o.toString(), BasMap.class);
        return this.getDataFormString(basMap.getData(), mapType, whitePoints, shuttlePoints);
    }

    /**
     * 从List数据中获取地图
     */
    public int[][] getDataFormString(String data, Integer mapType, List<int[]> whitePoints, List<int[]> shuttlePoints) {
        ArrayList arrayList = JSON.parseObject(data, ArrayList.class);
        List<List<MapNode>> lists = filterMap(mapType, arrayList, lev, whitePoints, shuttlePoints);//过滤地图数据
        int[][] map = new int[lists.size()][];
        int j = 0;
        for (List<MapNode> list : lists) {
            int[] tmp = new int[list.size()];
            int i = 0;
            for (MapNode mapNode : list) {
                //将数据添加进二维数组
                tmp[i++] = mapNode.getValue();
            }
            //数据添加进一维数组
            map[j++] = tmp;
        }

        return map;
    }

    //获取JSON格式数据
    public List<List<MapNode>> getJsonData(Integer mapType, List<int[]> whitePoints, List<int[]> shuttlePoints) {
        try {
            String mapFilename = "map_" + lev + ".json";

            String fileName = this.getClass().getClassLoader().getResource(mapFilename).getPath();//获取文件路径
            File file = new File(fileName);
            StringBuffer stringBuffer = new StringBuffer();
            if (file.isFile() && file.exists()) {
                InputStreamReader isr = new InputStreamReader(new FileInputStream(file), "GBK");
                BufferedReader br = new BufferedReader(isr);
                String lineTxt = null;
                while ((lineTxt = br.readLine()) != null) {
                    stringBuffer.append(lineTxt);
                }
                br.close();

                //解析json地图数据
                ArrayList arrayList = JSON.parseObject(stringBuffer.toString(), ArrayList.class);
                List<List<MapNode>> lists = filterMap(mapType, arrayList, lev, whitePoints, shuttlePoints);//过滤地图数据

                return lists;
            } else {
                System.out.println("文件不存在!");
            }
        } catch (IOException ioException) {
            ioException.printStackTrace();
        }
        return null;
    }

    /**
     * 过滤地图数据
     * mapType -1=>无过滤，1=》过滤库位状态DFX，2=》过滤库位状态X
     *
     * @param whitePoints 白名单节点，不需要被过滤
     * @param shuttlePoints 穿梭车节点，需要加载进地图
     */
    public List<List<MapNode>> filterMap(Integer mapType, List arrayList, Integer lev, List<int[]> whitePoints, List<int[]> shuttlePoints) {
        List<List<MapNode>> lists = new ArrayList<>();

        //重建数据格式
        for (int i = 0; i < arrayList.size(); i++) {
            Object obj = arrayList.get(i);
            List<MapNode> list = JSON.parseArray(obj.toString(), MapNode.class);
            for (int j = 0; j < list.size(); j++) {
                MapNode mapNode = list.get(j);
                list.set(j, mapNode);
            }
            lists.add(list);
        }

        //过滤数据
        LocMastService locMastService = SpringUtils.getBean(LocMastService.class);
        //获取当前楼层库位数据
        List<LocMast> locMasts = locMastService.selectLocByLev(lev);
        for (LocMast locMast : locMasts) {
            Integer row = locMast.getRow1();
            Integer bay = locMast.getBay1();

            boolean whiteFlag = false;//默认不存在白名单
            if (whitePoints != null) {
                for (int[] whitePoint : whitePoints) {
                    if (whitePoint[0] == row && whitePoint[1] == bay) {
                        //存在白名单
                        whiteFlag = true;
                        break;
                    }
                }
            }
            if (whiteFlag) {
                continue;//存在白名单，不执行下列过滤方案
            }


            List<MapNode> list = lists.get(row);
            MapNode mapNode = list.get(bay);

            if (mapType == NavigationMapType.NONE.id) {
                //不过滤任何数据
            } else if (mapType == NavigationMapType.DFX.id) {
                //车辆有货
                //读取对应库位数据，将DFX库位状态的节点置为-1(障碍物)
                if (locMast.getLocSts().equals("F")
                        || locMast.getLocSts().equals("D")
                        || locMast.getLocSts().equals("X")
                        || locMast.getLocSts().equals("R")
                        || locMast.getLocSts().equals("P")
                ) {
                    mapNode.setValue(-1);//禁用节点
                }
            } else if (mapType == NavigationMapType.NORMAL.id) {
                //过滤库位状态X
                if (locMast.getLocSts().equals("X")) {
                    mapNode.setValue(-1);//禁用节点
                }
            }

            //更新list
            list.set(bay, mapNode);
            lists.set(row, list);
        }

        //加载车辆坐标到地图中
        if (shuttlePoints != null) {
            for (int[] points : shuttlePoints) {
                int x = points[0];
                int y = points[1];
                List<MapNode> list = lists.get(x);
                MapNode mapNode = list.get(y);
                mapNode.setValue(66);//设置为车辆代码66
                //更新list
                list.set(y, mapNode);
                lists.set(x, list);
            }
        }

        return lists;
    }

    /**
     * 写入路径节点数据到redis地图中
     * lock为true 禁用库位，lock为false恢复库位
     */
    public boolean writeNavigateNodeToRedisMap(List<NavigateNode> nodes, boolean lock) {
        RedisUtil redisUtil = SpringUtils.getBean(RedisUtil.class);
        try {
            if (!redisUtil.tryLock("realtimeBasMap_" + lev)) {
                return false;//加锁失败
            }

            Object o = redisUtil.get("realtimeBasMap_" + lev);
            if (o == null) {
                return false;
            }

            BasMap basMap = JSON.parseObject(o.toString(), BasMap.class);
            ArrayList arrayList = JSON.parseObject(basMap.getData(), ArrayList.class);
            List<List<MapNode>> lists = filterMap(NavigationMapType.NONE.id, arrayList, lev, null, null);//获取全部地图数据

            NavigateMapData mapData = new NavigateMapData(nodes.get(0).getZ());
            List<List<MapNode>> realMap = mapData.getJsonData(-1, null, null);//获取完整地图(包括入库出库)
            for (NavigateNode node : nodes) {
                if (node.getZ() != lev) {
                    continue;
                }

                List<MapNode> listX = lists.get(node.getX());
                MapNode mapNode = listX.get(node.getY());
                if (lock) {
                    mapNode.setValue(-999);//禁用库位
                } else {
                    //获取原始节点数据
                    List<MapNode> rows = realMap.get(node.getX());
                    MapNode col = rows.get(node.getY());
                    mapNode.setValue(col.getValue());//恢复库位
                }

                listX.set(node.getY(), mapNode);
                lists.set(node.getX(), listX);
            }
            basMap.setData(JSON.toJSONString(lists));
            basMap.setUpdateTime(new Date());
            //将数据库地图数据存入redis
            redisUtil.set("realtimeBasMap_" + lev, JSON.toJSONString(basMap));
            //解锁
            redisUtil.unlock("realtimeBasMap_" + lev);
        } catch (Exception e) {
            e.printStackTrace();
        }
        return true;
    }

}