package com.ruoyi.http.service.impl;

import com.alibaba.fastjson2.JSON;
import com.alibaba.fastjson2.JSONArray;
import com.alibaba.fastjson2.JSONObject;
import com.ruoyi.common.utils.http.HttpUtils;
import com.ruoyi.http.service.RealTimeEnergyConsumptionService;
import lombok.extern.slf4j.Slf4j;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.data.redis.core.RedisTemplate;
import org.springframework.stereotype.Service;

import java.time.Instant;
import java.time.temporal.ChronoUnit;
import java.util.ArrayList;
import java.util.HashMap;
import java.util.List;
import java.util.Map;
import java.util.concurrent.TimeUnit;

/**
 * @author :yys
 * @date : 2026/1/27 16:02
 */
@Service
@Slf4j
public class RealTimeEnergyConsumptionServiceImpl implements RealTimeEnergyConsumptionService {

    private static final long REMOTE_CACHE_TTL_SECONDS = 10L; // 缓存TTL，10秒

    private static final long REMOTE_CACHE_TTL_SECONDS_30 = 30L; // 缓存TTL，30秒

    private static final String URL = "https://new.e-elitech.cn/api/data-api";

    private static final String TOKEN_URL = "/elitechAccess/getToken";

    private static final String REAL_TIME_URL = "/elitechAccess/v2/getRealTimeData";

    private static final String REAL_HISTORY_URL = URL + "/elitechAccess/v2/getHistoryData";

    private static final String KET_ID = "75804708";

    private static final String KEY_SECRET = "xTUGToozKpYgUPqTsZzB";

    private static final String USER_NAME = "用户30773662";

    private static final String PASS_WORD = "y17775163675";

    private static final String REAL_TIME_CACHE_PREFIX = "JCLY:REAL_TIME:";

    private static final String HISTORY_CACHE_PREFIX = "JCLY:HISTORY:";

    @Autowired
    private RedisTemplate<String, String> redisTemplate;

    private static JSONObject getProbeParam(JSONArray paramList, String targetCode) {
        if (paramList == null) {
            return new JSONObject();
        }
        for (int i = 0; i < paramList.size(); i++) {
            JSONObject paramObj = paramList.getJSONObject(i);
            if (targetCode.equals(paramObj.getString("paramCode"))) {
                return paramObj;
            }
        }
        return new JSONObject();
    }

    public List<Map<String, String>> getHistoryData(String guid, long startTime, long endTime) {
        List<Map<String, String>> resultList = new ArrayList<>();
        String historyData = requestHistoryData(getToken(), guid, startTime, endTime);
        Map<String, Object> resultMap = JSON.parseObject(historyData, Map.class);
        if (!Integer.valueOf(0).equals(resultMap.get("code"))) {
            return resultList;
        }

        JSONArray historyList = JSON.parseArray(String.valueOf(resultMap.get("data")));
        if (historyList == null || historyList.isEmpty()) {
            return resultList;
        }

        for (int i = 0; i < historyList.size(); i++) {
            JSONObject historyObj = historyList.getJSONObject(i);
            Map<String, String> historyItem = new HashMap<>();
            historyItem.put("guid", firstNonBlank(
                    historyObj.getString("deviceGuid"),
                    historyObj.getString("guid"),
                    guid
            ));
            historyItem.put("subUId", stringValue(historyObj.get("subUid")));
            historyItem.put("monitorTimeStamp", stringValue(historyObj.get("monitorTimeStamp")));
            historyItem.put("monitorTimeStr", historyObj.getString("monitorTimeStr"));
            historyItem.put("position", historyObj.getString("position"));
            historyItem.put("address", historyObj.getString("address"));

            JSONArray paramList = historyObj.getJSONArray("data");
            if (paramList != null && !paramList.isEmpty()) {
                for (int j = 0; j < paramList.size(); j++) {
                    JSONObject paramObj = paramList.getJSONObject(j);
                    String paramName = paramObj.getString("paramName");
                    String paramCode = paramObj.getString("paramCode");
                    String value = paramObj.getString("value");
                    String unitCode = paramObj.getString("unitCode");
                    String fullValue = value == null ? null : value + (unitCode == null ? "" : unitCode);
                    switch (paramName) {
                        case "探头1":
                            historyItem.put("light", fullValue);
                            break;
                        case "探头2":
                            historyItem.put("temperature", fullValue);
                            break;
                        case "探头3":
                            historyItem.put("humidity", fullValue);
                            break;
                        case "探头4":
                            historyItem.put("co2", fullValue);
                            break;
                        default:
                            if (paramCode != null) {
                                historyItem.put(paramCode, fullValue);
                            }
                            break;
                    }
                }
            }
            resultList.add(historyItem);
        }
        return resultList;
    }

    public List<Map<String, String>> getRealData(List<String> guidList) {
        log.info("开始获取实时数据");
        List<Map<String, String>> listMaps = new ArrayList<>();
        String realTimeData = getRealTimeData(getToken(), guidList);
        Map<String, Object> map = JSON.parseObject(realTimeData, Map.class);
        if (!Integer.valueOf(0).equals(map.get("code"))) {
            return listMaps;
        }

        JSONArray deviceList = JSON.parseArray(String.valueOf(map.get("data")));
        if (deviceList == null || deviceList.isEmpty()) {
            return listMaps;
        }

        String[] targetCodes = {"0100", "0110", "0120", "0130"};
        for (int deviceIndex = 0; deviceIndex < deviceList.size(); deviceIndex++) {
            JSONObject deviceObj = deviceList.getJSONObject(deviceIndex);
            JSONArray paramList = deviceObj.getJSONArray("data");
            Map<String, String> deviceData = new HashMap<>();
            String deviceGuid = firstNonBlank(
                    deviceObj.getString("deviceGuid"),
                    deviceObj.getString("guid"),
                    deviceObj.getString("devGuid"),
                    deviceObj.getString("sn")
            );
            if (deviceGuid != null) {
                deviceData.put("guid", deviceGuid);
            }
            for (String code : targetCodes) {
                JSONObject paramObj = getProbeParam(paramList, code);
                if (paramObj.isEmpty()) {
                    continue;
                }
                String paramName = paramObj.getString("paramName");
                String value = paramObj.getString("value");
                String unitCode = paramObj.getString("unitCode");
                log.info("{}: {} {}", paramName, value, unitCode);
                switch (paramName) {
                    case "探头1":
                        deviceData.put("light", value + unitCode);
                        break;
                    case "探头2":
                        deviceData.put("temperature", value + unitCode);
                        break;
                    case "探头3":
                        deviceData.put("humidity", value + unitCode);
                        break;
                    case "探头4":
                        deviceData.put("co2", value + unitCode);
                        break;
                    default:
                        break;
                }
            }
            listMaps.add(deviceData);
        }
        return listMaps;
    }

    public static void main(String[] args) {
        System.out.println();
    }

    public String getToken() {
        String cachedToken = sanitizeToken(redisTemplate.opsForValue().get("JCLY_TOKEN:"));
        if (cachedToken != null) {
            return cachedToken;
        }
        Map<String, String> param = new HashMap<>();
        param.put("keyId", KET_ID);
        param.put("keySecret", KEY_SECRET);
        param.put("userName", USER_NAME);
        param.put("password", PASS_WORD);
        log.info("请求参数：{}", JSON.toJSONString(param));
        String result = HttpUtils.sendPostJson(URL + TOKEN_URL, JSON.toJSONString(param));
        log.info("返回结果：{}", result);
        Map<String, Object> map = JSON.parseObject(result, Map.class);
        if (Integer.valueOf(0).equals(map.get("code"))) {
            Object token = map.get("data");
            log.info("token:{}", token);
            redisTemplate.opsForValue().set("JCLY_TOKEN:", token.toString(), 60 * 60 * 24);
            return token.toString();
        }
        return result;
    }

    private String sanitizeToken(String token) {
        if (token == null) {
            return null;
        }
        String cleanedToken = token.replace("\0", "").trim();
        return cleanedToken.isEmpty() ? null : cleanedToken;
    }

    private String firstNonBlank(String... values) {
        for (String value : values) {
            if (value != null && !value.trim().isEmpty()) {
                return value;
            }
        }
        return null;
    }

    private String stringValue(Object value) {
        return value == null ? null : String.valueOf(value);
    }

    public String getRealTimeData(String token, List<String> guidList) {
        Map<String, Object> param = new HashMap<>();
        param.put("keyId", KET_ID);
        param.put("keySecret", KEY_SECRET);
        param.put("deviceGuids", guidList);
        log.info("请求参数：{}", JSON.toJSONString(param));
        String cacheKey = REAL_TIME_CACHE_PREFIX + JSON.toJSONString(param);
        String cachedResult = sanitizeToken(redisTemplate.opsForValue().get(cacheKey));
        if (cachedResult != null) {
            log.info("命中实时数据缓存：{}", cacheKey);
            return cachedResult;
        }
        String result = HttpUtils.sendPostJson(URL + REAL_TIME_URL, JSON.toJSONString(param), token);
        log.info("返回结果：{}", result);
        cacheRemoteResponse(cacheKey, result);
        return result;
    }

    public String requestHistoryData(String token, String guid, long startTime, long endTime) {
        Map<String, Object> param = new HashMap<>();
        param.put("keyId", KET_ID);
        param.put("keySecret", KEY_SECRET);
        param.put("deviceGuid", guid);
        param.put("startTime", startTime);
        param.put("endTime", endTime);
        log.info("历史数据请求参数：{}", JSON.toJSONString(param));
        String cacheKey = HISTORY_CACHE_PREFIX + JSON.toJSONString(param);
        String cachedResult = sanitizeToken(redisTemplate.opsForValue().get(cacheKey));
        if (cachedResult != null) {
            log.info("命中历史数据缓存：{}", cacheKey);
            return cachedResult;
        }
        String result = HttpUtils.sendPostJson(REAL_HISTORY_URL, JSON.toJSONString(param), token);
        log.info("历史数据返回结果：{}", result);
        cacheRemoteResponse(cacheKey, result);
        return result;
    }

    private void cacheRemoteResponse(String cacheKey, String result) {
        if (result == null || result.trim().isEmpty()) {
            return;
        }
        redisTemplate.opsForValue().set(cacheKey, result, REMOTE_CACHE_TTL_SECONDS_30, TimeUnit.SECONDS);
    }
}