using DataServer.api.EnergyEfficiency;
using Newtonsoft.Json;
using System;
using System.Collections.Generic;
using System.Configuration;
using System.Data.Services;
using System.Linq;
using System.Net;
using System.Net.Http;
using System.Text;
using System.Web.Http;

namespace DongYingAPI.Controllers.api.EnergyEfficiency
{
    public class GetEnergyConsumptionController : ApiController
    {
        DataServer.BLL.device_info device_bll = new DataServer.BLL.device_info();

        DataServer.BLL.electricity_data bll = new DataServer.BLL.electricity_data();

        /// <summary>
        /// 获取各回路（设备）能耗概况接口
        /// </summary>
        /// <param name="type">类型 年、月、日</param>
        /// <returns></returns>
        public HttpResponseMessage Get(string type)
        {
            var res = new get_energy_consumption_response();
            try
            {
                var now = DateTime.Now;
                var device_list = device_bll.GetModelList("");
                var list = new List<DataServer.Model.electricity_data>();
                //判断表是否存在，不存在就创建
                var date_base = ConfigurationManager.AppSettings["MySQLDataBase"].ToString();
                if (type == "年")
                {
                    var start_date = DateTime.Parse(now.ToString("yyyy") + "-01-01 00:00:00");
                    var time_count = GetUsedMonth1("月", start_date, now);
                    var source = "";
                    for (int i = 0; i <= time_count; i++)
                    {
                        var time = start_date.AddMonths(i).ToString("yyyyMM");
                        if (bll.IsExistsTable(date_base, "electricity_data_" + time))
                        {
                            if (time == start_date.ToString("yyyyMMdd") || time == now.ToString("yyyyMMdd"))
                            {
                                source += string.Format(" (select ElectricityId,DeviceId,EH,P,Kvar,Ia,Ib,Ic,Ua,Ub,Uc,ServiceRating,CreateTime,EntireTime,Reserve1,Reserve2,Reserve3,Reserve4,Reserve5 from electricity_data_{0} where CreateTime>='{1}' and CreateTime<='{2}'", time, start_date, now);
                            }
                            else
                            {
                                source += string.Format(" (select ElectricityId,DeviceId,EH,P,Kvar,Ia,Ib,Ic,Ua,Ub,Uc,ServiceRating,CreateTime,EntireTime,Reserve1,Reserve2,Reserve3,Reserve4,Reserve5 from electricity_data_{0} where 1=1 ", time);
                            }
                            source += ") UNION all ";
                        }
                    }
                    if (!string.IsNullOrEmpty(source))
                    {
                        source = source.Substring(0, source.Length - 11);
                        list = bll.GetList(source, "", "");
                    }
                }
                else if (type == "月")
                {
                    var start_date = DateTime.Parse(now.ToString("yyyy-MM") + "-01 00:00:00");
                    var time = now.ToString("yyyyMM");
                    if (!bll.IsExistsTable(date_base, "electricity_data_" + time))
                    {
                        bll.CreateTable(time);
                    }
                    list = bll.GetList("(select ElectricityId,DeviceId,EH,P,Kvar,Ia,Ib,Ic,Ua,Ub,Uc,ServiceRating,CreateTime,EntireTime,Reserve1,Reserve2,Reserve3,Reserve4,Reserve5 from electricity_data_" + time + ")", " CreateTime>='" + start_date + "' and CreateTime<='" + now + "' ", "");
                }
                else if (type == "日")
                {
                    var start_date = DateTime.Parse(now.ToString("yyyy-MM-dd") + " 00:00:00");
                    var time = now.ToString("yyyyMM");
                    if (!bll.IsExistsTable(date_base, "electricity_data_" + time))
                    {
                        bll.CreateTable(time);
                    }
                    list = bll.GetList("(select ElectricityId,DeviceId,EH,P,Kvar,Ia,Ib,Ic,Ua,Ub,Uc,ServiceRating,CreateTime,EntireTime,Reserve1,Reserve2,Reserve3,Reserve4,Reserve5 from electricity_data_" + time + ")", " CreateTime>='" + start_date + "' and CreateTime<='" + now + "' ", "");
                }

                var data = new List<energy_consumption>();
                foreach (var item in device_list)
                {
                    var model = new energy_consumption();
                    model.DeviceName = item.DeviceName;
                    model.OperatingPower = list.Where(a => a.DeviceId == item.DeviceId).Sum(a => a.ServiceRating).Value;
                    data.Add(model);
                }

                res.code = 200;
                res.msg = "成功";
                res.data = data;
            }
            catch (Exception ex)
            {
                res.code = 500;
                res.msg = "失败，" + ex.Message;
            }
            HttpResponseMessage result = new HttpResponseMessage { Content = new StringContent(JsonConvert.SerializeObject(res), Encoding.GetEncoding("UTF-8"), "application/json") };
            return result;
        }

        /// <summary>
        /// 计算两个时间年份月份差
        /// </summary>
        /// <returns></returns>
        public int GetUsedMonth1(string type, DateTime dynamicTime, DateTime currentDate)
        {
            try
            {
                int year = currentDate.Year - dynamicTime.Year; //相差的年份  
                int month = (currentDate.Year - dynamicTime.Year) * 12 + (currentDate.Month - dynamicTime.Month); //相差的月份
                                                                                                                  //int month1 = currentDate.Year * 12 + currentDate.Month - dynamicTime.Year * 12 - dynamicTime.Month; //相差的月份

                TimeSpan used = DateTime.Now - dynamicTime;
                double totalDays = used.TotalDays; //相差总天数
                if (type == "年")
                {
                    return Convert.ToInt32(year);
                }
                else
                {
                    return Convert.ToInt32(month);
                }
            }
            catch (Exception)
            {
                return 0;
            }
        }
    }
}