#pragma once

#include <cstdint>
#include <filesystem>
#include <string>
#include <vector>

#include "json.h"

namespace telegram_tui {

struct StoredConfig {
	std::string api_id;
	std::string api_hash;
	bool auto_reload_chat_history = false;
};

[[nodiscard]] std::string get_env(const char *name);
[[nodiscard]] std::string trim_copy(std::string value);
[[nodiscard]] std::string single_line(std::string text);
[[nodiscard]] bool is_decimal_number(const std::string &value);
[[nodiscard]] std::filesystem::path data_root();
[[nodiscard]] StoredConfig load_app_config();
bool save_app_config(const StoredConfig &config);
[[nodiscard]] std::string safe_string(const json &object, const char *key);
[[nodiscard]] std::int64_t safe_i64(const json &object, const char *key);
[[nodiscard]] std::int32_t safe_i32(const json &object, const char *key);
[[nodiscard]] std::string format_time(std::int32_t unix_time);
[[nodiscard]] std::string format_date(std::int32_t unix_time);
[[nodiscard]] std::string format_datetime(std::int32_t unix_time);
[[nodiscard]] std::string format_file_size(std::int64_t size_bytes);
[[nodiscard]] std::vector<std::string> wrap_text(const std::string &text, int width);
[[nodiscard]] std::size_t utf8_byte_index_from_utf16_offset(const std::string &text,
                                                            std::size_t utf16_offset);
[[nodiscard]] std::size_t utf8_prev_index(const std::string &text, std::size_t byte_index);
[[nodiscard]] std::size_t utf8_next_index(const std::string &text, std::size_t byte_index);
[[nodiscard]] int utf8_display_width(const std::string &text,
                                     std::size_t byte_limit = std::string::npos);
void pop_utf8_back(std::string &text);

} // namespace telegram_tui