using KLHZ.Trader.Core.DataLayer.Entities.Prices;
using KLHZ.Trader.Core.Math.Declisions.Services.Cache;

namespace KLHZ.Trader.Core.Tests
{
    public class HistoryCacheUnit3Tests
    {
        private static PriceChange[] GetHistory(int count, string figi)
        {
            var res = new PriceChange[count];
            if (count != 0)
            {
                var startDt = DateTime.UtcNow.AddSeconds(-count);
                for (int i = 0; i < count; i++)
                {
                    startDt = startDt.AddSeconds(1);
                    res[i] = new PriceChange()
                    {
                        Figi = figi,
                        Ticker = figi + "_ticker",
                        Id = i,
                        Time = startDt,
                        Price = (decimal)(i + 0.5),
                        Value = i % 2 == 0 ? i : 0
                    };
                }
            }
            return res;
        }

        [Test]
        public void Test1()
        {
            var count = 0;
            var figi = "figi";
            var hist = GetHistory(count, figi);
            var cacheUnit = new PriceHistoryCacheUnit3(figi, hist);
            var data = cacheUnit.GetData().Result;

            Assert.That(data.Length == count);
        }

        [Test]
        public void Test2()
        {
            var count = 1111;
            var figi = "figi";
            var hist = GetHistory(count, figi);
            var cacheUnit = new PriceHistoryCacheUnit3(figi, hist);
            var data = cacheUnit.GetData().Result;

            Assert.That(data.Length == count);
        }

        [Test]
        public void Test3()
        {
            var count = 60 * 60 * 3 * 24;
            var figi = "figi";
            var hist = GetHistory(count, figi);
            var cacheUnit = new PriceHistoryCacheUnit3(figi, hist);
            var data = cacheUnit.GetData().Result;

            Assert.That(data.Length == count);
        }

        [Test]
        public void Test4()
        {
            var count = 60 * 60 * 3 * 24;
            var figi = "figi";
            var hist = GetHistory(count, figi);
            var cacheUnit = new PriceHistoryCacheUnit3(figi);

            foreach (var item in hist)
            {
                cacheUnit.AddData(item);
            }
            var data = cacheUnit.GetData().Result;

            Assert.That(data.Length == count);
        }

        [Test]
        public void Test5()
        {
            var count = 60 * 60 * 3 * 24 + 10;
            var figi = "figi";
            var hist = GetHistory(count, figi);
            var cacheUnit = new PriceHistoryCacheUnit3(figi);

            for (int i = 0; i < hist.Length - 1; i++)
            {
                cacheUnit.AddData(hist[i]);
            }
            cacheUnit.AddData(hist.Last());
            var data = cacheUnit.GetData().Result;
            var dt = data.Last().Time - data.First().Time;
            Assert.That(dt <= TimeSpan.FromDays(3));
            Assert.That(dt > TimeSpan.Zero);
        }

        [Test]
        public void Test6()
        {
            var count = 60 * 60 * 3 * 24 + 10;
            var figi = "figi";
            var hist = GetHistory(count, figi);
            var cacheUnit = new PriceHistoryCacheUnit3(figi);

            for (int i = 0; i < hist.Length - 1; i++)
            {
                cacheUnit.AddData(hist[i], "kkk");
            }
            var data = cacheUnit.GetData(key: "kkk").Result;
            var dt = data.Last().Time - data.First().Time;
            Assert.That(dt <= TimeSpan.FromHours(1));
            Assert.That(dt > TimeSpan.Zero);
        }

        [Test]
        public void Test7()
        {
            var count = 60 * 60 * 3 * 24 + 10;
            var figi = "figi";
            var hist = GetHistory(count, figi);
            var cacheUnit = new PriceHistoryCacheUnit3(figi);

            for (int i = 0; i < hist.Length - 1; i++)
            {
                cacheUnit.AddData(hist[i], "kkk");
            }
            var data = cacheUnit.GetData(TimeSpan.FromMinutes(3), key: "kkk").Result;
            var dt = data.Last().Time - data.First().Time;
            Assert.That(dt <= TimeSpan.FromMinutes(3));
            Assert.That(dt > TimeSpan.Zero);
        }

        [Test]
        public void Test8()
        {
            var count = 60 * 60 * 3 * 24 + 10;
            var figi = "figi";
            var hist = GetHistory(count, figi);
            var cacheUnit = new PriceHistoryCacheUnit3(figi);

            for (int i = 0; i < hist.Length - 1; i++)
            {
                cacheUnit.AddData(hist[i], "kkk");
            }
            var data = cacheUnit.GetData(TimeSpan.FromMinutes(4), TimeSpan.FromMinutes(3), key: "kkk").Result;
            var dt = data.Last().Time - data.First().Time;
            Assert.That(dt <= TimeSpan.FromMinutes(3));
            Assert.That(dt > TimeSpan.Zero);
        }

        [Test]
        public void Test9()
        {
            var count = 60 * 60 * 3 * 24 + 10;
            var figi = "figi";
            var hist = GetHistory(count, figi);
            var cacheUnit = new PriceHistoryCacheUnit3(figi);

            for (int i = 0; i < hist.Length - 1; i++)
            {
                cacheUnit.AddData(hist[i], "kkk");
            }
            var data = cacheUnit.GetData(TimeSpan.FromMinutes(4), TimeSpan.FromMinutes(3), key: "kkk", (i) => i.Value != 0).Result;

            Assert.That(data.All(d => d.Value != 0));
        }

        [Test]
        public void Test10()
        {
            var count = 60 * 60 * 3 * 24 + 10;
            var figi = "figi";
            var hist = GetHistory(count, figi);
            var cacheUnit = new PriceHistoryCacheUnit3(figi);

            for (int i = 0; i < hist.Length - 1; i++)
            {
                cacheUnit.AddData(hist[i], "kkk");
            }
            var data = cacheUnit.GetData(selector: (i) => i.Value != 0).Result;

            Assert.That(data.All(d => d.Value != 0));
        }
    }
}