using HL_FristAidPlatform_Help;
using HL_FristAidPlatform_IDataBase;
using HL_FristAidPlatform_Models;
using SqlSugar;
using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;

namespace HL_FristAidPlatform_DataBase
{
    public class T_Service_IllnessLevelDB : BaseDB, IT_Service_IllnessLevel
    {
        public SqlSugarClient db = GetClient();

        public IllnessLevelModel GetIllnessLevelStatistics(string hospitalGuid, long systemModuleID, string startTime, string endTime, int flag)
        {
            IllnessLevelModel model = new IllnessLevelModel();
            List<IllnessLevelMonthvalue> list = new List<IllnessLevelMonthvalue>();

            int Month = (Convert.ToDateTime(endTime).Year - Convert.ToDateTime(startTime).Year) * 12 + (Convert.ToDateTime(endTime).Month - Convert.ToDateTime(startTime).Month);
            List<DateTime> monthList = new List<DateTime>();
            for (int i = 0; i < Month + 1; i++)
            {
                string res = Convert.ToDateTime(startTime).AddMonths(i).Year + "-" + GetMonthZero(Convert.ToDateTime(startTime).AddMonths(i).Month) + "-01";
                DateTime dt = Convert.ToDateTime(res);
                monthList.Add(dt.AddDays(1 - dt.Day));
            }

            //病情程度统计
            var oneClass = db.Queryable<T_Service_Patient>()
               .Where(a => a.HospitalGuid == hospitalGuid && a.SystemModuleID == systemModuleID && a.DeleteFlag == 0)
               .Where(a => a.CreationDate >= SqlFunc.ToDate(startTime) && a.CreationDate <= SqlFunc.ToDate(Convert.ToDateTime(endTime).AddMonths(1)))
               .Select(a => new
               {
                   CreationDate = a.CreationDate,
                   GUID = a.GUID,
                   SystemModuleID = a.SystemModuleID,
                   IllnessLevel = a.IllnessLevel
               })
               .ToList();

            if (oneClass != null)
            {
                //濒危
                model.Endangered = oneClass.Where(j => j.IllnessLevel == "1").Count();
                //危重
                model.Critical = oneClass.Where(j => j.IllnessLevel == "2").Count();
                //急症
                model.Emergencycase = oneClass.Where(j => j.IllnessLevel == "3").Count();
                //非急症
                model.NoEmergencycase = oneClass.Where(j => j.IllnessLevel == "4").Count();
                //已死亡
                model.Dead = oneClass.Where(j => j.IllnessLevel == "5").Count();

                for (int i = 0; i < monthList.Count; i++)
                {
                    IllnessLevelMonthvalue MonthKeyValue = new IllnessLevelMonthvalue();
                    MonthKeyValue.Month = monthList[i].ToString("yyyy-MM");

                    int temponeClass1 = oneClass.Where(j => j.CreationDate >= SqlFunc.ToDate(monthList[i].ToString()) && j.CreationDate <= Convert.ToDateTime(SqlFunc.ToDate(monthList[i].ToString() + "-01").AddMonths(1))).Where(j => j.IllnessLevel == "1").Count();
                    int temponeClass2 = oneClass.Where(j => j.CreationDate >= SqlFunc.ToDate(monthList[i].ToString()) && j.CreationDate <= Convert.ToDateTime(SqlFunc.ToDate(monthList[i].ToString() + "-01").AddMonths(1))).Where(j => j.IllnessLevel == "2").Count();
                    int temponeClass3 = oneClass.Where(j => j.CreationDate >= SqlFunc.ToDate(monthList[i].ToString()) && j.CreationDate <= Convert.ToDateTime(SqlFunc.ToDate(monthList[i].ToString() + "-01").AddMonths(1))).Where(j => j.IllnessLevel == "3").Count();
                    int temponeClass4 = oneClass.Where(j => j.CreationDate >= SqlFunc.ToDate(monthList[i].ToString()) && j.CreationDate <= Convert.ToDateTime(SqlFunc.ToDate(monthList[i].ToString() + "-01").AddMonths(1))).Where(j => j.IllnessLevel == "4").Count();
                    int temponeClass5 = oneClass.Where(j => j.CreationDate >= SqlFunc.ToDate(monthList[i].ToString()) && j.CreationDate <= Convert.ToDateTime(SqlFunc.ToDate(monthList[i].ToString() + "-01").AddMonths(1))).Where(j => j.IllnessLevel == "5").Count();

                    MonthKeyValue.Endangered = temponeClass1;
                    MonthKeyValue.Critical = temponeClass2;
                    MonthKeyValue.Emergencycase = temponeClass3;
                    MonthKeyValue.NoEmergencycase = temponeClass4;
                    MonthKeyValue.Dead = temponeClass5;

                    list.Add(MonthKeyValue);
                }
                model.monthvalue = list;
            }
            return model;
        }
        /// <summary>
        /// 计算月份
        /// </summary>
        /// <param name="month"></param>
        /// <returns></returns>
        private string GetMonthZero(int month)
        {
            if (month < 10)
            {
                return "0" + month;
            }
            else
            {
                return month.ToString();
            }
        }
    }
}