using KLHZ.Trader.Core.Contracts.Declisions.Dtos;
using KLHZ.Trader.Core.Contracts.Declisions.Dtos.Enums;
using KLHZ.Trader.Core.Contracts.Messaging.Dtos.Interfaces;

namespace KLHZ.Trader.Core.Contracts.Declisions.Interfaces
{
    public interface IPriceHistoryCacheUnit
    {
        public string Figi { get; }
        public int Length { get; }
        public ValueTask AddData(INewPrice priceChange);
        public ValueTask<(DateTime[] timestamps, decimal[] prices)> GetData(int? length = null);
        public ValueTask<(DateTime[] timestamps, decimal[] prices, bool isFullIntervalExists)> GetData(TimeSpan period);
        public ValueTask AddOrderbook(IOrderbook orderbook);

        public ValueTask AddDataToTimeWindowCache(string key, CachedValue data, TimeWindowCacheType timeWindowCacheType);

        public ValueTask<CachedValue[]> GetDataFromTimeWindowCache(string key, TimeWindowCacheType timeWindowCacheType);

        /// <summary>
        /// Число заявок на продаже в стакане.
        /// </summary>
        public decimal AsksCount { get; }

        /// <summary>
        /// Число заявок на покупку в стакане.
        /// </summary>
        public decimal BidsCount { get; }

        public ValueTask<(DateTime time, decimal price)> GetLastValues();
    }
}