package com.yeshi.fanli.controller.admin.utils;

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

import org.yeshi.utils.DateUtil;

import com.google.gson.Gson;
import com.yeshi.fanli.dto.ChartTDO;
import com.yeshi.fanli.util.StringUtil;

import net.sf.json.JSONArray;
import net.sf.json.JSONObject;


public class AdminUtils {
	
	/**
	 * 验证数据
	 * @param dateType
	 * @param startTime
	 * @param endTime
	 * @return
	 */
	public static String validateParams(Integer dateType, String startTime, String endTime) {
		
		String validateMsg = null;
		
		if (dateType == null) {
			validateMsg = "请选择视图类型";
		}
		
		if (dateType == 1 && (StringUtil.isNullOrEmpty(startTime) || StringUtil.isNullOrEmpty(endTime))) {
			validateMsg  = "请选择时间区间";
		}
		
		return validateMsg;
	}
	
	/**
	 * 获取时间列表
	 * @param dateType
	 * @param startTime
	 * @param endTime
	 * @param year
	 * @return
	 */
	public static List<String> getDateList(Integer dateType, String startTime, String endTime, String year) {
		List<String> dateList = new ArrayList<String>();
		if (dateType == 1) {
			try {
				dateList = DateUtil.dayFactory(startTime, endTime);
			} catch (Exception e) {
				e.printStackTrace();
			}
			
		} else if (dateType == 2) {
			for (int i = 1; i <= 12; i++) {
				dateList.add(i + ""); // 12个月
			}
		} else if (dateType == 3) {
			for (int i = 2018; i <= 2030; i++) {
				dateList.add(i + ""); // 10年
			}
		}
		
		return dateList;                   
	}
	
	
	public static Map<String, Object> yearsDataFactory(List<ChartTDO> list) {

		List<Object> resultList = new ArrayList<Object>();
		List<Object> listDate = new ArrayList<Object>();
		
		if (list != null && list.size() > 0) {
			for (ChartTDO chart: list) {
				String showDate = chart.getShowDate();
				String showValue = chart.getShowValue();
				if (showValue == null) {
					showValue = "0";
				}
				resultList.add(showValue);
				listDate.add(showDate);
			}
		}
		
		Map<String, Object> map = new HashMap<String, Object>();
		map.put("date", listDate);
		map.put("value", resultList);
		
		return map;
	}

	
	
	public static List<Object> dayOrMonthDataFactory(Integer dateType, List<String> listDate , 
			List<ChartTDO> list) throws Exception {
		List<Object> resultList = new ArrayList<Object>();
		if (list != null && list.size() > 0) {
			for (int i = 0; i < listDate.size(); i++) {
				String showValue = null;
				// 日期匹配赋值
				for (ChartTDO chart: list) {
					String showDate = listDate.get(i);
					if (dateType == 2 && Integer.parseInt(showDate) < 10 ) {
						showDate = "0" + showDate;
					}
					String reslutTime = chart.getShowDate();
					if (showDate.equalsIgnoreCase(reslutTime)) {
						showValue = chart.getShowValue();
						break;
					}
				}
				
				if (showValue == null) {
					showValue = "0";
				}
				resultList.add(showValue);
			}
		}
		return resultList;
	}
	
	
	/**
	 * 图表数据组织
	 * @param dateType
	 * @param year
	 * @param startTime
	 * @param endTime
	 * @param list
	 * @throws Exception
	 */
	public static JSONObject chartDataFactory(Integer dateType, String year, String startTime, String endTime, 
			List<ChartTDO> list) throws Exception{

		Object objectDate = null;
		List<String> dateList = getDateList(dateType, startTime, endTime, year);

		Gson gson = new Gson();
		JSONArray line_list = new JSONArray();

		JSONObject innerList = new JSONObject();
		innerList.put("name", "总计");

		if (dateType != 3) {
			innerList.put("data", gson.toJson(AdminUtils.dayOrMonthDataFactory(dateType, dateList, list)));
		} else {
			// 年视图
			Map<String, Object> map = yearsDataFactory(list);

			if (objectDate == null) {
				objectDate = map.get("date");
			}
			innerList.put("data", gson.toJson(map.get("value")));
		}

		line_list.add(innerList);

		JSONObject data = new JSONObject();
		if (objectDate != null) {
			data.put("xAxis_list", gson.toJson(objectDate));
		} else {
			data.put("xAxis_list", gson.toJson(dateList));
		}

		data.put("line_list", line_list);
		return data;
	}
	
}