#pragma once

#include <cstdint>
#include <dirent.h>
#include <map>
#include <memory>

#include "file.h"
#include "fileindexer.h"
#include "files.h"
#include "searchfolder.h"

class Dedup {
public:
	Dedup();
	~Dedup();

	void addSearchFolder(const std::string& path, bool recurse = true);

	void start();

private:
	void removeUninterestingFiles(std::multimap<uint64_t, std::shared_ptr<File>>& files);

	std::map<uint64_t, Files> hash(std::multimap<uint64_t, std::shared_ptr<File>>& files, uint64_t bytestohash);

	void resolveDuplicates(std::map<uint64_t, Files>& hashed);
	bool relinkFile(const std::string& linkbase, const std::string& replacedfile);

	static const uint_fast8_t HASHTHREADCOUNT;

	std::vector<SearchFolder> folders;
	FileIndexer indexer;

	bool hardlink = true;
	bool ignoredotfiles = false;
	bool dryrun = true;
	bool deleteDuplicates = true;
	bool ignoreInodeID = true;
	uint64_t deduplicatedBytes = 0; // amount of bytes deduplicated
	uint64_t deduplicatedFiles = 0;
};