#pragma once

#include <deque>
#include "FileDefinition.h"
#include "exports.h"

namespace craftlab::fakeraid
{
	class IEngine
	{
	public:
		virtual ~IEngine() {};

		virtual void DirExistsOrThrow() const =0;
		virtual std::vector<std::string> GetRootPaths() const = 0;
		virtual std::vector<std::string> GetPaths() const = 0;
		virtual std::deque<std::string> GetCurrentDir() const =0;
		virtual bool SetWorkingDirectory(const std::vector<std::string>& path) =0;
		virtual FileAndSumListByRepositoryIndex ListFiles() =0;
		virtual void ListFilesRecur(FileAndSumListByRepositoryIndex*, bool* threadStopping) =0;
		virtual size_t CountFilesRecur() =0;
		virtual void Cd(const std::string& dirName) =0;
		virtual std::string BuildCurrentDirPath(const std::string& root, const PathParts& pathParts) const = 0;
		virtual std::string BuildCurrentDirPath(const FileAndSum& file) const = 0;

		struct CopyInstruction
		{
			CopyInstruction() =default;
			CopyInstruction(const std::string& src, const std::string& dst): source(src), destination(dst) {}

			std::string source;
			std::string destination;
		};

		virtual void RemoveFiles(const std::vector<std::string>& paths) const = 0;
		virtual void RemoveDirs(const std::vector<std::string>& paths) const = 0;
		virtual void CopyItems(const std::vector<CopyInstruction>& itemsToCopy) const =0;
	};

	class ENGINEAPI_EXPORT EngineManager
	{
	public:
		EngineManager() =delete;
		static IEngine* Open(const std::vector<std::string>& paths);
	};
}