using Azure.Cosmos;
using DocumentFormat.OpenXml.Bibliography;
using DocumentFormat.OpenXml.Math;
using MathNet.Numerics.LinearAlgebra.Double;
using Microsoft.AspNetCore.Mvc;
using Microsoft.Azure.Amqp.Framing;
using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Text.Json;
using System.Threading.Tasks;
using TEAMModelOS.Models;
using TEAMModelOS.SDK.DI;
using TEAMModelOS.SDK.Extension;
using TEAMModelOS.SDK.Models.Cosmos.BI;
using TEAMModelOS.SDK.Models.Service.BI;

namespace TEAMModelOS.SDK.Models.Service.BIStatsWay
{
    public static class SchoolStatsWay
    {
        /// <summary>
        /// 统计单个学校
        /// </summary>
        /// <param name="cosmosClient"></param>
        /// <param name="scId"></param>
        /// <returns></returns>
        public static async Task<StatsInfo> GetSingleSc(CosmosClient cosmosClient, string scId, int year = 0)
        {
            DateTimeOffset dateTime = DateTimeOffset.UtcNow;
            if (year < dateTime.Year)
                dateTime = new(year, 12, 31, 23, 59, 59, TimeSpan.Zero);

            StatsInfo statsInfo = new() { id = $"{year}-{scId}" };
            var (dayS, dayE) = TimeHelper.GetStartOrEnd(dateTime);  //今天开始时间    13位
            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

            var (weekDayS, weekDayE) = TimeHelper.GetLongToTime(weekS, weekE);
            var (monthDayS, monthDayE) = TimeHelper.GetLongToTime(mthS, mthE);

            string currSql = "select value(count(c.id)) from c";
            string dayWhereSql = $"c.createTime >= {dayS} and c.createTime <= {dayE}";
            string weekWhereSql = $"c.createTime >= {weekS} and c.createTime <= {weekE}";
            string monthWhereSql = $"c.createTime >= {mthS} and c.createTime <= {mthE}";

            ScBase scBase = await cosmosClient.GetContainer("TEAMModelOS", "School").ReadItemAsync<ScBase>(scId, new PartitionKey("Base"));
            statsInfo.schoolId = scBase.id;
            statsInfo.name = scBase.name;
            statsInfo.picture = scBase.picture;
            statsInfo.size = scBase.size;
            statsInfo.scCreateTime = scBase.createTime;
            statsInfo.areaId = scBase.areaId;
            statsInfo.year = year;

            string tchSql = $"{currSql} where ARRAY_CONTAINS(c.roles, 'teacher', true) AND c.status = 'join'";
            statsInfo.tch = await JointlySingleQuery.GetValueInt(cosmosClient, "School", $"Teacher-{scBase.id}", tchSql);

            List<double> tchDoubles = await UserStatsWay.GetYearTecherStudent(cosmosClient, scBase.id, year, 1); 
            statsInfo.tchYear = tchDoubles;
            statsInfo.dayTch = ((int)tchDoubles[dateTime.DayOfYear]);
            DenseMatrix tchDouble = DenseMatrix.OfColumns(new List<List<double>>() { tchDoubles });
            int weekDay = 0;
            if ((dateTime.DayOfYear - weekDayS.DayOfYear) <= 7) 
                weekDay = dateTime.DayOfYear - weekDayS.DayOfYear;
            else
                weekDay = 7;

            statsInfo.weekTch = ((int)tchDouble.SubMatrix(weekDayS.DayOfYear, weekDay, 0, tchDouble.ColumnCount).ColumnSums().Sum());
            statsInfo.monthTch += ((int)tchDouble.SubMatrix(monthDayS.DayOfYear, (dateTime.DayOfYear - monthDayS.DayOfYear), 0, tchDouble.ColumnCount).ColumnSums().Sum());

            //statsInfo.dayTch = await JointlySingleQuery.GetValueInt(cosmosClient, "School",  $"Teacher-{scBase.id}", $"{tchSql} and {dayWhereSql} ");
            //statsInfo.weekTch = await JointlySingleQuery.GetValueInt(cosmosClient, "School", $"Teacher-{scBase.id}", $"{tchSql} and  {weekWhereSql}");
            //statsInfo.monthTch = await JointlySingleQuery.GetValueInt(cosmosClient, "School",  $"Teacher-{scBase.id}", $"{tchSql} and  {monthWhereSql}");
            statsInfo.tchUpTime = dateTime.ToUnixTimeMilliseconds();

            statsInfo.stu = await JointlySingleQuery.GetValueInt(cosmosClient, "Student", $"Base-{scBase.id}", currSql);
            List<double> stuDoubles = await UserStatsWay.GetYearTecherStudent(cosmosClient, scBase.id, year, 2);
            statsInfo.stuYear = stuDoubles;
            statsInfo.dayStu = ((int)stuDoubles[dateTime.DayOfYear]);
            DenseMatrix stuDouble = DenseMatrix.OfColumns(new List<List<double>>() { stuDoubles });
            statsInfo.weekStu = ((int)stuDouble.SubMatrix(weekDayS.DayOfYear, weekDay, 0, stuDouble.ColumnCount).ColumnSums().Sum());
            statsInfo.monthStu += ((int)stuDouble.SubMatrix(monthDayS.DayOfYear, (dateTime.DayOfYear - monthDayS.DayOfYear), 0, stuDouble.ColumnCount).ColumnSums().Sum());

            //statsInfo.dayStu = await JointlySingleQuery.GetValueInt(cosmosClient, "Student", $"Base-{scBase.id}", $"{currSql} where {dayWhereSql}");
            //statsInfo.weekStu = await JointlySingleQuery.GetValueInt(cosmosClient, "Student", $"Base-{scBase.id}", $"{currSql} where {weekWhereSql}");
            //statsInfo.monthStu = await JointlySingleQuery.GetValueInt(cosmosClient, "Student", $"Base-{scBase.id}", $"{currSql} where {monthWhereSql}");
            statsInfo.stuUpTime = dateTime.ToUnixTimeMilliseconds();

            statsInfo.room = await JointlySingleQuery.GetValueInt(cosmosClient, "School",  $"Room-{scBase.id}" ,currSql);
            statsInfo.witRoom = await JointlySingleQuery.GetValueInt(cosmosClient, "School",  $"Room-{scBase.id}", $"{currSql} where (c.serial != null or c.serial != '' or IS_DEFINED(c.serial) = true)");

            statsInfo.upTime = dateTime.ToUnixTimeMilliseconds();
            statsInfo.lesson = await LessonRecordStatsWay.GetSchoolAll(cosmosClient, statsInfo.schoolId, year);
            statsInfo.activity = await ActivityStatsWay.GetSchoolAll(cosmosClient, statsInfo.schoolId, year);
            statsInfo.study = await StudyStatsWay.GetSchoolAll(cosmosClient, statsInfo.schoolId);

            return statsInfo;
        }


        /// <summary>
        /// 多个学校统计
        /// </summary>
        /// <param name="cosmosClient"></param>
        /// <param name="statsInfos"></param>
        /// <param name="_httpTrigger"></param>
        /// <param name="_option"></param>
        /// <param name="area"></param>
        /// <returns></returns>
        public static StatsInfo GetAreaStats(CosmosClient cosmosClient, HttpTrigger _httpTrigger, Option _option, List<StatsInfo> statsInfos, List<string> scIds = null, Area area = null)
        {
            StatsInfo areaInfo = new()
            {
                id = area == null ? "" : $"{DateTimeOffset.UtcNow.Year}-{area.id}",
                pk = "Statistics",
                code = "Statistics",
                name = area == null ? "" : area.name,
                areaId = area == null ? "" :area.id,
                picture = "",
                tch = statsInfos.Select(s => s.tch).Sum(),
                dayTch = statsInfos.Select(s => s.dayTch).Sum(),
                weekTch = statsInfos.Select(s => s.weekTch).Sum(),
                monthTch = statsInfos.Select(s => s.monthTch).Sum(),
                stu = statsInfos.Select(s => s.stu).Sum(),
                dayStu = statsInfos.Select(s => s.dayStu).Sum(),
                weekStu = statsInfos.Select(s => s.weekStu).Sum(),
                monthStu = statsInfos.Select(s => s.monthStu).Sum(),
                room = statsInfos.Select(s => s.room).Sum(),
                witRoom = statsInfos.Select(s => s.witRoom).Sum(),
                size = statsInfos.Select(s => s.size).Sum()
            };
            areaInfo.lesson.all = statsInfos.Select(s => s.lesson.all).Sum();
            areaInfo.lesson.open = statsInfos.Select(s => s.lesson.open).Sum();
            areaInfo.lesson.less = statsInfos.Select(s => s.lesson.less).Sum();
            areaInfo.lesson.lastDay = statsInfos.Select(s => s.lesson.lastDay).Sum();
            areaInfo.lesson.day = statsInfos.Select(s => s.lesson.day).Sum();
            areaInfo.lesson.lastWeek = statsInfos.Select(s => s.lesson.lastWeek).Sum();
            areaInfo.lesson.week = statsInfos.Select(s => s.lesson.week).Sum();
            areaInfo.lesson.lastTerm = statsInfos.Select(s => s.lesson.lastTerm).Sum();
            areaInfo.lesson.term = statsInfos.Select(s => s.lesson.term).Sum();
            areaInfo.lesson.lastDayInter = statsInfos.Select(s => s.lesson.lastDayInter).Sum();
            areaInfo.lesson.dayInter = statsInfos.Select(s => s.lesson.dayInter).Sum();
            //areaInfo.lesson.lastMonthInter = statsInfos.Select(s => s.lesson.lastMonthInter).Sum();
            //areaInfo.lesson.monthInter = statsInfos.Select(s => s.lesson.monthInter).Sum();
            areaInfo.lesson.lastYearInter = statsInfos.Select(s => s.lesson.lastYearInter).Sum();
            //areaInfo.lesson.yearInter = statsInfos.Select(s => s.lesson.yearInter).Sum();
            areaInfo.lesson.yearInters = BICommonWay.ManyDoubleMerge(statsInfos.Select(s => s.lesson.yearInters).ToList());
            areaInfo.lesson.year = BICommonWay.ManyDoubleMerge(statsInfos.Select(s => s.lesson.year).Where(w => w.Count > 0).ToList());


            areaInfo.activity.all = statsInfos.Select(s => s.activity.all).Sum();
            areaInfo.activity.exam = statsInfos.Select(s => s.activity.exam).Sum();
            areaInfo.activity.survey = statsInfos.Select(s => s.activity.survey).Sum();
            areaInfo.activity.vote = statsInfos.Select(s => s.activity.vote).Sum();
            areaInfo.activity.homework = statsInfos.Select(s => s.activity.homework).Sum();
            areaInfo.activity.lastDay = statsInfos.Select(s => s.activity.lastDay).Sum();
            areaInfo.activity.dayCnt = statsInfos.Select(s => s.activity.dayCnt).Sum();
            areaInfo.activity.lastWeek = statsInfos.Select(s => s.activity.lastWeek).Sum();
            areaInfo.activity.week = statsInfos.Select(s => s.activity.week).Sum();
            areaInfo.activity.lastTerm = statsInfos.Select(s => s.activity.lastTerm).Sum();
            areaInfo.activity.term = statsInfos.Select(s => s.activity.term).Sum();
            areaInfo.activity.lastMonth = statsInfos.Select(s => s.activity.lastMonth).Sum();
            areaInfo.activity.month = statsInfos.Select(s => s.activity.month).Sum();
            //areaInfo.activity.LastYear = BICommonWay.ManyDoubleMerge(statsInfos.Select(s => s.activity.LastYear).ToList());
            areaInfo.activity.year = BICommonWay.ManyDoubleMerge(statsInfos.Select(s => s.activity.year).Where(w => w.Count > 0).ToList());

            //List<Task<ItemResponse<StatsInfo>>> taskStatsInfos = new();

            //foreach (var itemId in scIds)
            //{
            //    bool isExist = true;
            //    StatsInfo statsInfo = new();
            //    var scDataStats = await cosmosClient.GetContainer(Constant.TEAMModelOS, "School").ReadItemStreamAsync($"{itemId}", new PartitionKey("Stats"));
            //    if (scDataStats.Status == 200)
            //    {
            //        using var fileJson = await JsonDocument.ParseAsync(scDataStats.ContentStream);
            //        statsInfo = fileJson.ToObject<StatsInfo>();
            //    }
            //    else
            //    {
            //        statsInfo.id = itemId;
            //        isExist = false;
            //    }

            //    bool isnew = false;
            //    DateTimeOffset dateTime = DateTimeOffset.UtcNow;
            //    long now = dateTime.ToUnixTimeMilliseconds();

            //    if (statsInfo.upTime > 0 && !isnew)
            //    {
            //        long timedis = 20 * 60 * 1000;//20分钟
            //        if (now - statsInfo.upTime < timedis)
            //            isnew = true;
            //    }
            //    if (statsInfo.upTime == 0 && isnew)
            //        statsInfo.upTime = now;
            //    if (statsInfo.upTime == 0 && isnew)
            //        statsInfo.upTime = DateTimeOffset.UtcNow.Add(new TimeSpan(-1, 0, 0, 0)).ToUnixTimeMilliseconds();
            //    if (!isnew)
            //    {
            //        ////Function 处理Function 更新或者新增
            //        //_ = _httpTrigger.RequestHttpTrigger(new { schoolId = $"{itemId}"}, _option.Location, "stats-sc-info");

            //        //异步方法处理 同步更新
            //        statsInfo = await SchoolStatsWay.GetSingleSc(cosmosClient, itemId);

            //        statsInfo.upTime = DateTimeOffset.UtcNow.ToUnixTimeMilliseconds();
            //        if (isExist)
            //            taskStatsInfos.Add(cosmosClient.GetContainer(Constant.TEAMModelOS, "School").ReplaceItemAsync<StatsInfo>(statsInfo, statsInfo.id, new PartitionKey("Stats")));
            //        else
            //            taskStatsInfos.Add(cosmosClient.GetContainer(Constant.TEAMModelOS, "School").CreateItemAsync<StatsInfo>(statsInfo, new PartitionKey("Stats")));
            //    }
            //}

            //if (taskStatsInfos.Count < 256)
            //    await Task.WhenAll(taskStatsInfos);
            //else 
            //{
            //    int pages = (taskStatsInfos.Count + 256) / 256;
            //    for (int i = 0; i < pages; i++)
            //    {
            //        List<Task<ItemResponse<StatsInfo>>> tempStatsInfos = taskStatsInfos.Skip((i) * 256).Take(256).ToList();
            //        await Task.WhenAll(tempStatsInfos);
            //    }
            //}

            return areaInfo;
        }

        public static async Task<List<T>> GetLastYearType<T>(CosmosClient cosmosClient, List<string> scIds)
        {
            List<T> list = new();
            StringBuilder statsSql = new("select value(c) from c");
            if (scIds.Count > 0)
            {
                statsSql.Append($" where {BICommonWay.ManyScSql("c.id", scIds, $"{DateTimeOffset.UtcNow.Year - 1}-")}");
            }


            await foreach (var item in cosmosClient.GetContainer(Constant.TEAMModelOS, "School").GetItemQueryIterator<T>(queryText: statsSql.ToString(), requestOptions: new QueryRequestOptions() { PartitionKey = new PartitionKey("Statistics") }))
            {
                list.Add(item);

            }

            return list;
        }


       
    }
}