using Microsoft.Azure.Cosmos;
using System.Collections.Generic;
using System.Text.Json;
using System.Threading.Tasks;
using TEAMModelOS.SDK.DI;

namespace TEAMModelBI.Tool.CosmosBank
{
    public class ActivityWay
    {
        public static List<string> types = new() { "Exam", "Survey", "Vote", "Homework" };

        /// <summary>
        /// 依据学校Id、教师Id统计活动总数
        /// </summary>
        /// <param name="cosmosClient"></param>
        /// <param name="scIds"></param>
        /// <param name="tecIds"></param>
        /// <returns></returns>
        public async static Task<int> GetAll(CosmosClient cosmosClient, List<string> scIds = null, List<string> tecIds = null)
        {
            int totals = 0;
            try
            {
                string sqlTxt = "select count(c.id) as totals from c";
                foreach (string type in types)
                {
                    if (scIds.Count > 0)
                    {
                        foreach (string sc in scIds)
                        {
                            await foreach (var itemTeac in cosmosClient.GetContainer("TEAMModelOS", "Common").GetItemQueryStreamIteratorSql(queryText: sqlTxt, requestOptions: new QueryRequestOptions() { PartitionKey = new PartitionKey($"{type}-{sc}") }))
                            {
                                using var json = await JsonDocument.ParseAsync(itemTeac.Content);
                                if (json.RootElement.TryGetProperty("_count", out JsonElement count) && count.GetInt32() > 0)
                                {
                                    foreach (var obj in json.RootElement.GetProperty("Documents").EnumerateArray())
                                    {
                                        totals += obj.GetProperty("totals").GetInt32();
                                    }
                                }
                            }
                        }
                    }

                    if (tecIds.Count > 0)
                    {
                        foreach (string sc in scIds)
                        {
                            await foreach (var itemTeac in cosmosClient.GetContainer("TEAMModelOS", "Teacher").GetItemQueryStreamIteratorSql(queryText: sqlTxt, requestOptions: new QueryRequestOptions() { PartitionKey = new PartitionKey($"{type}-{sc}") }))
                            {
                                using var json = await JsonDocument.ParseAsync(itemTeac.Content);
                                if (json.RootElement.TryGetProperty("_count", out JsonElement count) && count.GetInt32() > 0)
                                {
                                    foreach (var obj in json.RootElement.GetProperty("Documents").EnumerateArray())
                                    {
                                        totals += obj.GetProperty("totals").GetInt32();
                                    }
                                }
                            }
                        }
                    }
                }
            }
            catch { }
            return totals;
        }

        /// <summary>
        /// 统计活动
        /// </summary>
        /// <param name="cosmosClient">连接字符</param>
        /// <param name="container">容器名称：默认Common</param>
        /// <param name="condSql">条件语句</param>
        /// <param name="code"></param>
        /// <returns></returns>
        public static async Task<int> GetCnt(CosmosClient cosmosClient, string container = "Common", string condSql = null, string code = null) 
        {
            int total = 0;
            try
            {
                foreach (string type in types)
                {
                    string sqlTxt = $"select value(count(c.id)) from c where c.pk='{type}' {condSql}";
                    await foreach (var cnt in cosmosClient.GetContainer("TEAMModelOS", container).GetItemQueryIteratorSql<int>(queryText: sqlTxt, requestOptions: string.IsNullOrEmpty($"{code}") ? new QueryRequestOptions() { } : new QueryRequestOptions() { PartitionKey = new PartitionKey($"{code}") }))
                    {
                        total += cnt;
                    }
                }
            }
            catch { }

            return total;
        }

        /// <summary>
        /// 统计活动多个容器获取
        /// </summary>
        /// <param name="cosmosClient"></param>
        /// <param name="containers"></param>
        /// <param name="condSql"></param>
        /// <param name="code"></param>
        /// <returns></returns>
        public static async Task<int> GetCnt(CosmosClient cosmosClient, List<string> containers, string condSql = null, string code = null)
        {
            int total = 0;
            try
            {
                foreach (var container in containers)
                {
                    foreach (string type in types)
                    {
                        string sqlTxt = $"select value(count(c.id)) from c where c.pk='{type}' {condSql}";
                        await foreach (var cnt in cosmosClient.GetContainer("TEAMModelOS", container).GetItemQueryIteratorSql<int>(queryText: sqlTxt, requestOptions: string.IsNullOrEmpty($"{code}") ? new QueryRequestOptions() { } : new QueryRequestOptions() { PartitionKey = new PartitionKey($"{code}") }))
                        {
                            total += cnt;
                        }
                    }
                }
            }
            catch { }
            return total;
        }

    }
}