using Microsoft.Extensions.DependencyInjection;

using ServerCommon;

using System.Collections.Concurrent;

namespace BrokerCore.Services;

public class OrderStrategyProvider : IOrderStrategyProvider
{
	private readonly IServiceProvider m_service_provider;
	private readonly ConcurrentDictionary<CaliverseItemType, Type> m_creation_strategy_map;
	private readonly ConcurrentDictionary<CaliverseItemType, Type> m_completion_strategy_map;

	public OrderStrategyProvider(IServiceProvider serviceProvider)
	{
		m_service_provider = serviceProvider;

		// 전략 맵핑 초기화
		m_creation_strategy_map = new ConcurrentDictionary<CaliverseItemType, Type>
		{
			[CaliverseItemType.Currency] = typeof(CurrencyExchangeCreationStrategy),
			[CaliverseItemType.CaliverseProduct] = typeof(ProductExchangeCreationStrategy)
		};

		m_completion_strategy_map = new ConcurrentDictionary<CaliverseItemType, Type>
		{
			[CaliverseItemType.Currency] = typeof(CurrencyOrderCompletionStrategy),
			[CaliverseItemType.CaliverseProduct] = typeof(ProductOrderCompletionStrategy)
		};
	}

	public IOrderCreationStrategy? getCreationStrategy(CaliverseItemType itemType)
	{
		if (m_creation_strategy_map.TryGetValue(itemType, out var strategy_type))
		{
			return m_service_provider.GetService(strategy_type) as IOrderCreationStrategy;
		}

		// 기본 전략 반환
		return m_service_provider.GetService<CurrencyExchangeCreationStrategy>();
	}

	public IOrderCompletionStrategy? getCompletionStrategy(CaliverseItemType itemType)
	{
		if (m_completion_strategy_map.TryGetValue(itemType, out var strategy_type))
		{
			return m_service_provider.GetService(strategy_type) as IOrderCompletionStrategy;
		}

		// 기본 전략 반환
		return m_service_provider.GetService<CurrencyOrderCompletionStrategy>();
	}
}