package com.moral.controller;

import static com.moral.common.util.ExportExcelUtils.exportData;
import static com.moral.common.util.WebUtils.getParametersStartingWith;
import static org.springframework.util.ObjectUtils.isEmpty;

import java.io.OutputStream;
import java.util.HashMap;
import java.util.List;
import java.util.Map;

import javax.annotation.Resource;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;

import org.springframework.web.bind.annotation.CrossOrigin;
import org.springframework.web.bind.annotation.GetMapping;
import org.springframework.web.bind.annotation.RequestMapping;
import org.springframework.web.bind.annotation.RestController;

import com.moral.common.exception.BusinessException;
import com.moral.service.DeviceService;
import com.moral.service.HistoryService;

@RestController
@RequestMapping(value = "report")
@CrossOrigin(origins = "*", maxAge = 3600)
public class ReportController {

	@Resource
	private HistoryService historyService;
	
	@Resource
	private DeviceService deviceService;

	@GetMapping("sensors-average")
	public Map<String, Object> getSensorsAverageByDevice(HttpServletRequest request,HttpServletResponse response) {
		Map<String, Object> result = new HashMap<String, Object>();
		try {
			Map<String, Object> parameters = getParametersStartingWith(request, null);
			Object mac = parameters.get("mac");
			Object time = parameters.get("time");
			Object type = parameters.get("type");
			if (isEmpty(mac) || isEmpty(time) || isEmpty(type)) {
				result.put("msg", "参数不能为空！");
			} else {
				List<Map<String, Object>> sensors = deviceService.getSensorsByDevice(mac.toString());
				List<Map<String, Object>> sensorsAverage = historyService.getSensorsAverageByDevice4Report(parameters,sensors);
				if (isEmpty(sensorsAverage)) {
					result.put("msg", "无有效数据");
				} else {
					String[][] exportColumn = new String[sensors.size() + 1][];
					exportColumn[0] = new String[] { "时间", "20", "time" };
					for (int i = 0; i < sensors.size(); i++) {
						String name = (String) sensors.get(i).get("name");
						String key = (String) sensors.get(i).get("key");
						exportColumn[i + 1] = new String[] { name, "10", key };
					}
					
					OutputStream outputStream = exportData(response, time + "_" + mac + "_" + type, sensorsAverage, exportColumn);
					outputStream.flush();
					outputStream.close();
				}
			}
		} catch (BusinessException be) {
			be.printStackTrace();
			result.put("msg", be.getMessage());
		} catch (Exception e) {
			e.printStackTrace();
			result.put("msg", "系统错误，请联系管理员！原因如下："+e.getMessage());
		}
		return result;
	}

}