using Azure.Cosmos;
using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Text.Json;
using System.Threading.Tasks;
using TEAMModelOS.SDK.Extension;
using TEAMModelOS.SDK.Models.Cosmos.BI;

namespace TEAMModelOS.SDK.Models.Service.BIStatsWay
{

    public static class StudyStatsWay
    {
        /// <summary>
        /// 学校研修统计
        /// </summary>
        /// <param name="cosmosClient"></param>
        /// <param name="scId"></param>
        /// <returns></returns>
        public static async Task<StudyStats> GetSchoolAll(CosmosClient cosmosClient, string scId)
        {
            StudyStats studyStats = new();
            List<AreaStudy> trains = new();

            School school = await cosmosClient.GetContainer("TEAMModelOS", "School").ReadItemAsync<School>($"{scId}", new PartitionKey("Base"));
            //cosmosClient.GetContainer("TEAMModelOS", "School").GetItemQueryIterator<string>(queryText:$"select value(c.areaId) from c where c.id='{scId}'", requestOptions:new QueryRequestOptions() { PartitionKey = new PartitionKey("Base")});

            AreaSetting setting = null;
            var responSett = await cosmosClient.GetContainer("TEAMModelOS", "Normal").ReadItemStreamAsync($"{school.areaId}", new PartitionKey("AreaSetting"));
            if (responSett.Status == 200)
            {
                using var fileJson = await JsonDocument.ParseAsync(responSett.ContentStream);
                setting = fileJson.ToObject<AreaSetting>();

            }
            if (setting == null)
            {
                setting = new AreaSetting
                {
                    allTime = 50,
                    classTime = 5,
                    submitTime = 15,
                    onlineTime = 20,
                    offlineTime = 10,
                    lessonMinutes = 45,
                };
            }

            await foreach (var item in cosmosClient.GetContainer("TEAMModelOS", "Teacher").GetItemQueryIterator<AreaStudy>(queryText: $"select c.id,c.code,c.totalTime,c.onlineTime,c.offlineTime,c.classTime,c.currency from c where c.pk='TeacherTrain' and c.school='{scId}'", requestOptions: new QueryRequestOptions() { PartitionKey = new PartitionKey($"TeacherTrain-{scId}") }))
            {
                trains.Add(item);
            }

            studyStats.learnTime = trains.Select(s=>s.totalTime).Sum();
            trains.ForEach(x =>
            {
                //线上研修
                if (x.onlineTime == 0) studyStats.online++; else if (x.onlineTime >= setting.onlineTime) studyStats.online++; else studyStats.online++;

                //线下研修
                if (x.offlineTime == 0) studyStats.offline++; else if (x.onlineTime >= setting.offlineTime) studyStats.offline++; else studyStats.offline++;

                //课堂实录
                if (x.classTime == 0) studyStats.classRoom++; else if (x.classTime >= setting.classTime) studyStats.classRoom++; else studyStats.classRoom++;

                //认证材料
                if (x.currency.submitTime == 0) studyStats.submit++; else if (x.currency.submitTime >= setting.submitTime) studyStats.submit++; else studyStats.submit++;

                if (x.currency.submitTime == 0 && x.classTime == 0 && x.offlineTime == 0 && x.onlineTime == 0) studyStats.notStarted++;
                else if (x.currency.submitTime >= setting.submitTime && x.classTime >= setting.classTime && x.onlineTime >= setting.offlineTime && x.onlineTime >= setting.onlineTime) studyStats.finish++;
                else studyStats.ongoing++;
            });

            studyStats.upTime = DateTimeOffset.UtcNow.ToUnixTimeMilliseconds();

            return studyStats;
        }
    }
}