package com.zc.business.controller;

import com.alibaba.fastjson.JSONArray;
import com.alibaba.fastjson.JSONObject;
import com.ruoyi.common.core.controller.BaseController;
import com.ruoyi.common.core.domain.AjaxResult;
import com.zc.common.core.httpclient.OkHttp;
import com.zc.common.core.httpclient.exception.HttpException;
import com.zc.common.core.httpclient.request.RequestParams;
import okhttp3.Response;
import org.springframework.web.bind.annotation.GetMapping;
import org.springframework.web.bind.annotation.RequestMapping;
import org.springframework.web.bind.annotation.RestController;

import java.io.IOException;
import java.util.ArrayList;
import java.util.HashMap;
import java.util.List;
import java.util.Map;

import static com.ruoyi.common.constant.Constants.HTTP;


/**
 * License
 *
 * @author Athena-xiepufeng
 */
@RestController
@RequestMapping("/video")
public class VideoController extends BaseController {

    private static final String USERNAME = "jhgskj";
    private static final String PASSWORD = "jhgskj@2023";
    private static String TOKEN;

    private final static String URL = HTTP + "10.166.147.60:9021";

    public static final Integer UNAUTHORIZED = 401;


    public static final Integer ERROR = 500;

    /**
     * 查询附近相机
     */
    @GetMapping(value = "/nearCamListDistance")
    public JSONObject nearCamListDistance(String devLat, String devLon) throws HttpException, IOException {

        JSONObject jsonResult = null;

        // 1000 米
        String distance = "1000";

        OkHttp okHttp = new OkHttp();

        RequestParams requestParams = new RequestParams();
        requestParams.put("devLat", devLat);
        requestParams.put("devLon", devLon);
        requestParams.put("distance", distance);

        Map<String, String> header = new HashMap<>();

        if (VideoController.TOKEN == null) {
            getToken();
        }

        header.put("Authorization", TOKEN);

        Response response // 请求响应
                = okHttp
                .headers(header)
                .url(URL + "/videoInfo/api/nearCamListDistance") // 请求地址
                .data(requestParams) // 请求参数
                .get(); // 请求方法

        if (response.body() != null) {
            jsonResult = JSONObject.parseObject(response.body().string());

            if (jsonResult.containsKey("code") && UNAUTHORIZED.equals(jsonResult.getInteger("code"))) {
                getToken();
                okHttp.get();
                if (response.body() != null) {
                    jsonResult = JSONObject.parseObject(response.body().string());
                }
            }
        }

        return jsonResult;

    }

    /**
     * 根据桩号查询附近相机
     */
    @GetMapping(value = "/nearCamListPileNum")
    public Object nearCamListPileNum(String pileNum) throws HttpException, IOException {

        // 获取济菏运管中心相机信息
        JSONObject camInfo = getCamByDept("1301730");

        if (!camInfo.containsKey("data")) {
            return camInfo;
        }

        JSONArray camData = camInfo.getJSONArray("data");

        List<Object> resultList = new ArrayList<>();

        camData.forEach(item -> {
            JSONObject jsonObject = (JSONObject) item;
            if (isNearbyPileNum(pileNum, jsonObject.getString("pileNum"))) {
                resultList.add(item);
            }
        });

        return AjaxResult.success(resultList);
    }

    /**
     * 获取视频流信息
     */
    @GetMapping(value = "/externalVideoStreaming")
    public JSONObject externalVideoStreaming(String camId) throws HttpException, IOException {

        JSONObject jsonResult = null;

        OkHttp okHttp = new OkHttp();

        RequestParams requestParams = new RequestParams();
        requestParams.put("type", "1");
        requestParams.put("camId", camId);

        Map<String, String> header = new HashMap<>();

        if (VideoController.TOKEN == null) {
            getToken();
        }

        header.put("Authorization", TOKEN);

        Response response // 请求响应
                = okHttp
                .headers(header)
                .url(URL + "/videoInfo/api/externalVideoStreaming") // 请求地址
                .data(requestParams) // 请求参数
                .post(); // 请求方法

        if (response.body() != null) {
            jsonResult = JSONObject.parseObject(response.body().string());

            if (jsonResult.containsKey("code") && UNAUTHORIZED.equals(jsonResult.getInteger("code"))) {
                getToken();
                okHttp.post();
                if (response.body() != null) {
                    jsonResult = JSONObject.parseObject(response.body().string());
                }
            }
        }

        return jsonResult;
    }


    /**
     * 云平台控制
     */
    @GetMapping(value = "/PTZControl")
    public JSONObject PTZControl(String camId, String cmdType, String speed) throws HttpException, IOException {

        JSONObject jsonResult = null;

        OkHttp okHttp = new OkHttp();

        RequestParams requestParams = new RequestParams();
        requestParams.put("msgType", "3");
        requestParams.put("camId", camId);
        requestParams.put("cmdType", cmdType);
        requestParams.put("speed", speed);

        Map<String, String> header = new HashMap<>();

        if (VideoController.TOKEN == null) {
            getToken();
        }

        header.put("Authorization", TOKEN);

        Response response // 请求响应
                = okHttp
                .headers(header)
                .url(URL + "/videoInfo/api/PTZControl") // 请求地址
                .data(requestParams) // 请求参数
                .get(); // 请求方法

        if (response.body() != null) {
            jsonResult = JSONObject.parseObject(response.body().string());

            if (jsonResult.containsKey("code") && UNAUTHORIZED.equals(jsonResult.getInteger("code"))) {
                getToken();
                okHttp.get();
                if (response.body() != null) {
                    jsonResult = JSONObject.parseObject(response.body().string());
                }
            }
        }

        return jsonResult;
    }


    public void getToken() throws HttpException, IOException {

        OkHttp okHttp = new OkHttp();

        RequestParams requestParams = new RequestParams();
        requestParams.put("username", USERNAME);
        requestParams.put("password", PASSWORD);

        Response response // 请求响应
                = okHttp
                .url(URL + "/apiLogin") // 请求地址
                .data(requestParams) // 请求参数
                .post(); // 请求方法

        if (response.body() != null) {
            JSONObject jsonResult = JSONObject.parseObject(response.body().string());
            if (jsonResult.containsKey("token")) {
                VideoController.TOKEN = jsonResult.getString("token");
            }
        }
    }


    /**
     * 根据组织机构获取摄像机信息
     * @param deptId 机构id
     * @return
     */
    public JSONObject getCamByDept(String deptId) throws HttpException, IOException {
        JSONObject jsonResult = null;

        OkHttp okHttp = new OkHttp();

        RequestParams requestParams = new RequestParams();
        requestParams.put("deptId", deptId);

        Map<String, String> header = new HashMap<>();

        if (VideoController.TOKEN == null) {
            getToken();
        }

        header.put("Authorization", TOKEN);

        Response response // 请求响应
                = okHttp
                .headers(header)
                .url(URL + "/system/camera/camList") // 请求地址
                .data(requestParams) // 请求参数
                .get(); // 请求方法
        if (response.body() != null) {
            jsonResult = JSONObject.parseObject(response.body().string());

            if (jsonResult.containsKey("code") && UNAUTHORIZED.equals(jsonResult.getInteger("code"))) {
                getToken();
                okHttp.get();
                if (response.body() != null) {
                    jsonResult = JSONObject.parseObject(response.body().string());
                }
            }
        }

        return jsonResult;
    }

    /**
     * 判断是否是附近桩号
     * @return
     */
    private boolean isNearbyPileNum(String centralPileNum, String nearbyPileNum) {

        int centralPileNumMetre = pileNumTransformMetre(centralPileNum);
        int nearbyPileNumMetre = pileNumTransformMetre(nearbyPileNum);

        return (nearbyPileNumMetre <= centralPileNumMetre + 1000) && (nearbyPileNumMetre >= centralPileNumMetre - 1000);
    }


    /**
     * 转换转换成米
     * @param pileNum 桩号
     * @return
     */
    private int pileNumTransformMetre(String pileNum) {
        String[] parts = pileNum.split("[+ ]");
        if (parts.length < 2) {
            return 0;
        }
        int kilometer = Integer.parseInt(parts[0].substring(1)); // 移除开头的字母
        int meter = Integer.parseInt(parts[1]);
        return kilometer * 1000 + meter;
    }

}