using DD.Persistence.Client;
using DD.Persistence.Models;
using Microsoft.Extensions.DependencyInjection;
using System.Diagnostics;

namespace Persistence.Benchmark.Tests;

public static class WitsDataBenchmark
{
    private const string discriminatorId = "fef21bfd-e924-473d-b6c8-e4377e38245d";
    private const int chunkSize = 25_000;

    public static async Task ExecuteTest(int count)
    {
        try
        {
            var factory = new WebAppFactoryFixture();

            var scope = factory.Services.CreateScope();
            var persistenceClientFactory = scope.ServiceProvider
                .GetRequiredService<PersistenceClientFactory>();
            var client = persistenceClientFactory.GetWitsDataClient();

            var source = new CancellationTokenSource(TimeSpan.FromSeconds(6000));
            //var data = GenerateData(count);

            var sw = new Stopwatch();
            //var saved = 0;
            //foreach (var item in data)
            //{
            //    var time = sw.Elapsed;

            //    sw.Start();
            //    var response = await client.AddRange(item, source.Token);
            //    sw.Stop();
            //    saved = saved + response;
            //    Console.WriteLine($"Сохранено: {saved.ToString()}");
            //}

            //Console.WriteLine($"Затрачено времени на сохранение: {sw.Elapsed}");

            var discriminator = Guid.Parse(discriminatorId);
            var date = DateTime.Now.AddDays(-31);

            Console.WriteLine($"\nВычитка...");

            sw = new Stopwatch();
            sw.Start();
            var get = await client.GetPart(discriminator, date, count, source.Token);
            sw.Stop();

            Console.WriteLine($"Затрачено времени на вычитку: {sw.Elapsed}");

        }
        catch (Exception ex) { 
            Console.WriteLine(ex.Message);
        }
    }

    private static IEnumerable<IEnumerable<WitsDataDto>> GenerateData(int countToCreate)
    {
        var result = new List<List<WitsDataDto>>();

        int enumerableCount = countToCreate / chunkSize + (countToCreate % chunkSize == 0 ? 0 : 1);
        for (var k = 0; k < enumerableCount; k++)
        {
            var dtos = new List<WitsDataDto>();
            for (var j = 0; j < 1000; j++)
            {
                for (var i = 0; i < chunkSize / 1000; i++)
                {
                    var random = new Random();

                    var timestamped = DateTimeOffset.UtcNow.AddSeconds(random.Next(1, 60 * 60 * 24 * 30) * -1);

                    dtos.Add(new WitsDataDto()
                    {
                        DiscriminatorId = Guid.Parse(discriminatorId),
                        Timestamped = timestamped.AddSeconds(i),
                        Values = new List<WitsValueDto>()
                        {
                            new WitsValueDto()
                            {
                                RecordId = i + 1,
                                ItemId = i + 1,
                                Value = random.Next(1, 100)
                            }
                        }
                    });
                }
            }
            result.Add(dtos);
        }

        return result;
    }
}