using Microsoft.Azure.Cosmos;
using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
using TEAMModelOS.SDK.Models.Cosmos.BI;
using TEAMModelOS.SDK.Models.Service.BI;
using TEAMModelOS.SDK.DI;
namespace TEAMModelOS.SDK.Models.Service.BIStatsWay
{
    public static class LessonRecordStatsWay
    {
        /// <summary>
        /// 课例
        /// </summary>
        /// <param name="cosmosClient"></param>
        /// <param name="id"></param>
        /// <returns></returns>
        public static async Task<LessonStats> GetSchoolAll(CosmosClient cosmosClient, string id,int year = 0)
        {
            LessonStats lessStats = new();
            DateTimeOffset dateTime = DateTimeOffset.UtcNow;
            if (year < dateTime.Year)
                dateTime = new(year, 12, 31, 23, 59, 59, TimeSpan.Zero);

            var (lastDayS, lastdayE) = TimeHelper.GetStartOrEnd(dateTime.AddDays(-1));   //昨天开始时间
            var (dayS, dayE) = TimeHelper.GetStartOrEnd(dateTime);  //今天开始时间   

            var (lastWeekS, lastWeekE) = TimeHelper.GetStartOrEnd(dateTime, "lastweek");   //计算上周开始/结束时间
            var (weekS, weekE) = TimeHelper.GetStartOrEnd(dateTime, "week");             //计算本周开始/结束时间

            var (lastTermS, lastTermE) = TimeHelper.GetStartOrEnd(dateTime, "lastterm");   //计算上学期开始/结束时间
            var (termS, termE) = TimeHelper.GetStartOrEnd(dateTime, "term");   //计算本学期开始/结束时间

            var (lastMthS, LastmthE) = TimeHelper.GetStartOrEnd(dateTime, "lastMonth");  //上月开始/结束时间
            var (mthS, mthE) = TimeHelper.GetStartOrEnd(dateTime, "month");  //本月开始/结束时间

            var (lastYearS, lastYearE) = TimeHelper.GetStartOrEnd(DateTimeOffset.Parse($"{dateTime.Year - 1}-1-1"), "year"); //计算去年开始/结束时间
            var (yearS, yearE) = TimeHelper.GetStartOrEnd(dateTime, "year");         //计算今年开始/结束时间

            string currSql = "select value(count(c.id)) from c  where c.pk='LessonRecord'";
            lessStats.all = await JointlySingleQuery.GetValueInt(cosmosClient, "School", $"LessonRecord-{id}", currSql);
            lessStats.open = await JointlySingleQuery.GetValueInt(cosmosClient, "School", $"LessonRecord-{id}", $"{currSql} and c.upload = 0");
            lessStats.less = await JointlySingleQuery.GetValueInt(cosmosClient, "School", $"LessonRecord-{id}", $"{currSql} and c.upload = 1");

            List<LessRelStats> lessRelStats = new();
            string sql = $"select c.id,c.code,c.startTime,c.clientInteractionCount from c where c.pk='LessonRecord' and c.startTime >= {yearS} and c.startTime <= {yearE}";
            await foreach (var item in cosmosClient.GetContainer("TEAMModelOS", "School").GetItemQueryIteratorSql<LessRelStats>(queryText: sql, requestOptions: new QueryRequestOptions() { PartitionKey = new PartitionKey($"LessonRecord-{id}") }))
            {
                lessRelStats.Add(item);
            }

            lessStats.lastDay = lessRelStats.FindAll(f => f.startTime >= lastDayS && f.startTime <= lastdayE).ToList().Count;
            lessStats.day = lessRelStats.FindAll(f => f.startTime >= dayS && f.startTime <= dayE).ToList().Count;
            lessStats.lastWeek = lessRelStats.FindAll(f => f.startTime >= lastWeekS && f.startTime <= lastWeekE).ToList().Count;
            lessStats.week = lessRelStats.FindAll(f => f.startTime >= weekS && f.startTime <= weekE).ToList().Count;
            lessStats.lastTerm = lessRelStats.FindAll(f => f.startTime >= lastTermS && f.startTime <= lastTermE).ToList().Count;
            lessStats.term = lessRelStats.FindAll(f => f.startTime >= termS && f.startTime <= termE).ToList().Count;
            lessStats.month = lessRelStats.FindAll(f => f.startTime >= mthS && f.startTime <= mthE).ToList().Count;
            lessStats.lastMonth = lessRelStats.FindAll(f => f.startTime >= lastMthS && f.startTime <= LastmthE).ToList().Count;

            lessStats.lastDayInter = lessRelStats.FindAll(f => f.startTime >= lastDayS && f.startTime <= lastdayE).ToList().Select(s => s.clientInteractionCount).Sum();
            lessStats.dayInter = lessRelStats.FindAll(f => f.startTime >= dayS && f.startTime <= dayS).ToList().Select(s => s.clientInteractionCount).Sum();
            lessStats.lastMonthInter = lessRelStats.FindAll(f => f.startTime >= lastMthS && f.startTime <= LastmthE).ToList().Select(s => s.clientInteractionCount).Sum();
            lessStats.monthInter = lessRelStats.FindAll(f => f.startTime >= mthS && f.startTime <= mthE).ToList().Select(s => s.clientInteractionCount).Sum();
            lessStats.allInter = await JointlySingleQuery.GetValueInt(cosmosClient, "School", $"LessonRecord-{id}", $"select value(sum(c.clientInteractionCount)) from c where c.startTime <= {yearE}");
            lessStats.lastYearInter = await JointlySingleQuery.GetValueInt(cosmosClient, "School", $"LessonRecord-{id}", $"select value(sum(c.clientInteractionCount)) from c where c.startTime >= {lastYearS} and c.startTime <= {lastYearE}");
            //lessStats.yearInter = lessRelStats.FindAll(f => f.startTime >= yearS && f.startTime <= yearE).ToList().Select(s => s.clientInteractionCount).Sum();

            DateTimeOffset yearDay = new(year, dateTime.Month, dateTime.Day, dateTime.Hour, dateTime.Minute, dateTime.Second, TimeSpan.Zero);
            List<StartEndTime> everyDay = TimeHelper.GetYearEveryDay(yearDay);
            List<double> Inters = new();
            for (int i = 0; i < everyDay.Count; i++)
            {
                Inters.Add((double)lessRelStats.FindAll(f => (f.startTime >= everyDay[i].start && f.startTime <= everyDay[i].end)).Select(s => s.clientInteractionCount).Sum());
            }
            if (Inters.Count < 366)
            {
                Inters.Add(0);
            }

            if (Inters.Count > 0)
            {
                lessStats.yearInters = Inters;
            }

            List<double> lessYear = new();
            for (int i = 0; i < everyDay.Count; i++)
            {
                lessYear.Add(lessRelStats.FindAll(f => (f.startTime >= everyDay[i].start && f.startTime <= everyDay[i].end)).Count);
            }
            if (lessYear.Count < 366)
            {
                lessYear.Add(0);
            }

            if (Inters.Count > 0)
            {
                lessStats.year = lessYear;
            }
            lessStats.upTime = DateTimeOffset.UtcNow.ToUnixTimeMilliseconds(); 

            return lessStats;
        }

    }
}