package com.moral.service.impl;

import static com.moral.common.bean.Constants.NULL_VALUE;
import static org.apache.commons.lang3.time.DateUtils.addHours;
import static org.apache.commons.lang3.time.DateUtils.addMinutes;
import static org.apache.commons.lang3.time.DateUtils.addMonths;
import static org.apache.commons.lang3.time.DateUtils.truncate;
import static org.springframework.util.ObjectUtils.isEmpty;

import java.util.Calendar;
import java.util.Date;
import java.util.HashMap;
import java.util.LinkedHashMap;
import java.util.List;
import java.util.Map;

import javax.annotation.Resource;

import org.springframework.data.mongodb.core.MongoTemplate;
import org.springframework.data.mongodb.core.aggregation.Aggregation;
import org.springframework.data.mongodb.core.aggregation.AggregationResults;
import org.springframework.data.mongodb.core.query.Criteria;
import org.springframework.stereotype.Service;

import com.mongodb.BasicDBObject;
import com.moral.common.util.ValidateUtil;
import com.moral.mapper.HistoryMapper;
import com.moral.service.AccountService;
import com.moral.service.HistoryService;

@Service
public class HistoryServiceImpl implements HistoryService {

	@Resource
	private AccountService accountService;

	@Resource
	private HistoryMapper historyMapper;

	@Resource
	private MongoTemplate mongoTemplate;


	@Override
	public Map<String, Object> getAllSensorAverageByDevice(Map<String, Object> parameters) {
		ValidateUtil.notNull(parameters.get("areaCode"), "param.is.null");
		ValidateUtil.notNull(parameters.get("accountId"), "param.is.null");
		accountService.setOrgIdsByAccount(parameters);
		Date date = new Date();
		// 当前时间 -10分钟
		parameters.put("start", addMinutes(date, -10));
		// 当前时间 -5分钟
		parameters.put("end", addMinutes(date, -5));
		String queryColumns = "";
		for (int i = 1; i < 20; i++) {
			if (i == 1) {
				queryColumns += "AVG(value -> '$.e" + i + "') e" + i;
			} else {
				queryColumns += " , AVG(value -> '$.e" + i + "') e" + i;
			}
		}
		parameters.put("queryColumns", queryColumns);
		parameters.put("macKey", "all");
		List<Map<String, Object>> list = historyMapper.getAreaAllDataByAccount(parameters);

		return list.get(0);
	}

	@Override
	public Map<String, Object> getDeviceRankingBySensorAverage(Map<String, Object> parameters) {
		ValidateUtil.notNull(parameters.get("areaCode"), "param.is.null");
		ValidateUtil.notNull(parameters.get("accountId"), "param.is.null");
		ValidateUtil.notNull(parameters.get("macKey"), "param.is.null");

		Map<String, Object> result = new LinkedHashMap<String, Object>();
		accountService.setOrgIdsByAccount(parameters);
		Date date = new Date();
		// 当前时间 -1小时
		parameters.put("start", addHours(date, -1));
		parameters.put("end", date);
		parameters.put("macKey", "'$." + parameters.get("macKey") + "'");
		List<Map<String, Object>> list = historyMapper.getAreaAllDataByAccount(parameters);

		for (Map<String, Object> map : list) {
			result.put((String) map.get("name"), map.get("avg"));
		}
		return result;
	}

	@Override
	public Map<String, Object> getMonthAverageBySensor(Map<String, Object> parameters) {
		ValidateUtil.notNull(parameters.get("mac"), "param.is.null");
		ValidateUtil.notNull(parameters.get("macKey"), "param.is.null");
		Map<String, Object> result = new HashMap<String, Object>();
		Date date = new Date();
		Long end = truncate(date, Calendar.DATE).getTime(), start;
		// 每月一日的数据取上月的数据
		if (1 == Calendar.getInstance().get(Calendar.DAY_OF_MONTH)) {
			// 上个月1日00:00:00
			start = truncate(addMonths(date, -1), Calendar.MONTH).getTime();
		} else {
			// 这个月1日00:00:00
			start = truncate(date, Calendar.MONTH).getTime();
		}
		Aggregation aggregation = Aggregation.newAggregation(
				Aggregation.match(Criteria.where("mac").is(parameters.get("mac"))),
				Aggregation.match(Criteria.where("time").gte(start)), Aggregation.match(Criteria.where("time").lt(end)),
				Aggregation.group("mac").avg((String) parameters.get("macKey")).as("average"));
		AggregationResults<BasicDBObject> results = mongoTemplate.aggregate(aggregation, "data", BasicDBObject.class);
		List<BasicDBObject> list = results.getMappedResults();
		if (isEmpty(list)) {
			result.put("average", NULL_VALUE);
		} else {
			result = list.get(0);
			result.put("average", String.format("%.2f", result.get("average")));
		}
		return result;
	}

	

}