using System.Collections.Immutable;

namespace Connected.Caching;

public delegate void CacheInvalidateHandler(CacheEventArgs e);
public interface ICache : IDisposable
{
	event CacheInvalidateHandler? Invalidating;
	event CacheInvalidateHandler? Invalidated;

	ImmutableList<T>? All<T>(string key);

	Task<T?> Get<T>(string key, object id, Func<EntryOptions, Task<T?>>? retrieve);
	T? Get<T>(string key, object id);
	IEntry? Get(string key, object id);
	Task<T?> Get<T>(string key, Func<T, bool> predicate, Func<EntryOptions, Task<T?>>? retrieve);
	T? Get<T>(string key, Func<T, bool> predicate);
	T? First<T>(string key);
	IEnumerator<T>? GetEnumerator<T>(string key);

	ImmutableList<T>? Where<T>(string key, Func<T, bool> predicate);
	bool Exists(string key);
	bool IsEmpty(string key);
	void CreateKey(string key);
	Task Clear(string key);

	T? Set<T>(string key, object id, T? instance);
	T? Set<T>(string key, object id, T? instance, TimeSpan duration);
	T? Set<T>(string key, object id, T? instance, TimeSpan duration, bool slidingExpiration);
	void CopyTo(string key, object id, IEntry entry);
	Task<ImmutableList<string>?> Remove<T>(string key, Func<T, bool> predicate);
	Task Remove(string key, object id);
	Task Invalidate(string key, object id);

	int Count(string key);
	bool Any(string key);
	ImmutableList<string>? Keys(string key);
	ImmutableList<string>? Keys();
}