#ifndef NEWSBOAT_UTIL_H_
#define NEWSBOAT_UTIL_H_

#include <curl/curl.h>
#include <libxml/parser.h>
#include <memory>
#include <stdexcept>
#include <string>
#include <vector>

#include "configcontainer.h"
#include "logger.h"

namespace newsboat {

namespace utils {
	std::vector<std::string> tokenize(const std::string& str,
		std::string delimiters = " \r\n\t");
	std::vector<std::string> tokenize_spaced(const std::string& str,
		std::string delimiters = " \r\n\t");
	std::vector<std::string> tokenize_nl(const std::string& str,
		std::string delimiters = "\r\n");
	std::vector<std::string> tokenize_quoted(const std::string& str,
		std::string delimiters = " \r\n\t");

	std::string consolidate_whitespace(const std::string& str);

	std::vector<std::wstring> wtokenize(const std::wstring& str,
		std::wstring delimiters = L" \r\n\t");

	std::string translit(const std::string& tocode,
		const std::string& fromcode);
	std::string convert_text(const std::string& text,
		const std::string& tocode,
		const std::string& fromcode);

	std::string get_command_output(const std::string& cmd);
	void extract_filter(const std::string& line,
		std::string& filter,
		std::string& url);
	std::string retrieve_url(const std::string& url,
		ConfigContainer* cfgcont = nullptr,
		const std::string& authinfo = "",
		const std::string* postdata = nullptr,
		CURL* easyhandle = nullptr);
	void run_command(const std::string& cmd,
		const std::string& param); // used for notifications only
	std::string run_program(char* argv[], const std::string& input);

	std::string resolve_tilde(const std::string&);
	std::string resolve_relative(const std::string&, const std::string&);
	std::string replace_all(std::string str,
		const std::string& from,
		const std::string& to);

	std::wstring str2wstr(const std::string& str);
	std::string wstr2str(const std::wstring& wstr);

	std::wstring clean_nonprintable_characters(std::wstring text);

	std::string absolute_url(const std::string& url,
		const std::string& link);

	std::string get_useragent(ConfigContainer* cfgcont);

	size_t strwidth(const std::string& s);
	size_t strwidth_stfl(const std::string& str);
	size_t wcswidth_stfl(const std::wstring& str, size_t size);

	std::string substr_with_width(const std::string& str,
		const size_t max_width);

	unsigned int to_u(const std::string& str,
		const unsigned int default_value = 0);

	bool is_valid_color(const std::string& color);
	bool is_valid_attribute(const std::string& attrib);

	std::vector<std::pair<unsigned int, unsigned int>>
	partition_indexes(unsigned int start,
		unsigned int end,
		unsigned int parts);

	std::string join(const std::vector<std::string>& strings,
		const std::string& separator);

	std::string censor_url(const std::string& url);

	std::string quote_for_stfl(std::string str);

	void trim_end(std::string& str);

	void trim(std::string& str);

	std::string quote(const std::string& str);

	unsigned int get_random_value(unsigned int max);

	std::string quote_if_necessary(const std::string& str);

	void set_common_curl_options(CURL* handle, ConfigContainer* cfg);

	curl_proxytype get_proxy_type(const std::string& type);
	unsigned long get_auth_method(const std::string& type);

	bool is_special_url(const std::string& url);
	bool is_http_url(const std::string& url);
	bool is_query_url(const std::string& url);
	bool is_filter_url(const std::string& url);
	bool is_exec_url(const std::string& url);

	std::string get_content(xmlNode* node);
	std::string get_basename(const std::string& url);

	std::string unescape_url(const std::string& url);
	void initialize_ssl_implementation(void);

	unsigned int gentabs(const std::string& str);

	int mkdir_parents(const std::string& pathname,
		mode_t mode = 0755);

	std::string make_title(const std::string& url);

	int run_interactively(const std::string& command,
		const std::string& caller);

	std::string getcwd();

	int strnaturalcmp(const std::string& a, const std::string& b);

	void remove_soft_hyphens(std::string& text);

	bool is_valid_podcast_type(const std::string& mimetype);

	std::string get_default_browser();

	/// The tag and Git commit ID the program was built from, or a pre-defined
	/// value from config.h if there is no Git directory.
	std::string program_version();

	/// Newsboat's major version number.
	unsigned int newsboat_version_major();
}

} // namespace newsboat

#endif /* NEWSBOAT_UTIL_H_ */