using System.Collections.Generic;
using System.IO;
using System.Threading;
using System.Threading.Tasks;
using AsbCloudApp.Data.Manuals;

namespace AsbCloudApp.Services;

/// <summary>
/// Сервис для работы c каталогом инструкций
/// </summary>
public interface IManualCatalogService
{
	/// <summary>
	/// Сохранение файла
	/// </summary>
	/// <param name="idCategory"></param>
	/// <param name="idFolder"></param>
	/// <param name="name"></param>
	/// <param name="stream"></param>
	/// <param name="cancellationToken"></param>
	/// <returns></returns>
	Task<int> SaveFileAsync(int? idCategory, int? idFolder, string name, Stream stream,
		CancellationToken cancellationToken);

	/// <summary>
	/// Добавление новой папки
	/// </summary>
	/// <param name="name"></param>
	/// <param name="idParent"></param>
	/// <param name="idCategory"></param>
	/// <param name="cancellationToken"></param>
	/// <returns></returns>
	Task<int> AddFolderAsync(string name, int? idParent, int idCategory,
		CancellationToken cancellationToken);

	/// <summary>
	/// Обновление папки
	/// </summary>
	/// <param name="id"></param>
	/// <param name="name"></param>
	/// <param name="cancellationToken"></param>
	/// <returns></returns>
	Task UpdateFolderAsync(int id, string name, CancellationToken cancellationToken);

	/// <summary>
	/// Удаление папки
	/// </summary>
	/// <param name="id"></param>
	/// <param name="cancellationToken"></param>
	/// <returns></returns>
	Task<int> DeleteFolderAsync(int id, CancellationToken cancellationToken);

	/// <summary>
	/// Удаление файла
	/// </summary>
	/// <param name="id"></param>
	/// <param name="cancellationToken"></param>
	/// <returns></returns>
	Task<int> DeleteFileAsync(int id, CancellationToken cancellationToken);

	/// <summary>
	/// Получение файла
	/// </summary>
	/// <param name="id"></param>
	/// <param name="cancellationToken"></param>
	/// <returns></returns>
	Task<(Stream stream, string fileName)?> GetFileAsync(int id, CancellationToken cancellationToken);

	/// <summary>
	/// Получение каталога
	/// </summary>
	/// <param name="cancellationToken"></param>
	/// <returns></returns>
	Task<IEnumerable<CatalogItemManualDto>> GetCatalogAsync(CancellationToken cancellationToken);
}