/**
 * FreeRDP: A Remote Desktop Protocol Implementation
 * SDL Prefs
 *
 * Copyright 2022 Armin Novak <armin.novak@thincast.com>
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

#pragma once

#include <string>
#include <vector>
#include <memory>
#include <winpr/json.h>

class SdlPref
{
  public:
	static std::shared_ptr<SdlPref>
	instance(const std::string& name = SdlPref::get_default_file(false));

	[[nodiscard]] std::string get_pref_file(bool systemConfigOnly = false) const;

	[[nodiscard]] std::string get_string(const std::string& key, const std::string& fallback = "",
	                                     bool systemConfigOnly = false) const;
	[[nodiscard]] int64_t get_int(const std::string& key, int64_t fallback = 0,
	                              bool systemConfigOnly = false) const;
	[[nodiscard]] bool get_bool(const std::string& key, bool fallback = false,
	                            bool systemConfigOnly = false) const;
	[[nodiscard]] std::vector<std::string> get_array(const std::string& key,
	                                                 const std::vector<std::string>& fallback = {},
	                                                 bool systemConfigOnly = false) const;

	static void print_config_file_help(int version);

  private:
	using WINPR_JSONPtr = std::unique_ptr<WINPR_JSON, decltype(&WINPR_JSON_Delete)>;

	std::string _name;
	std::string _system_name;
	WINPR_JSONPtr _config;
	WINPR_JSONPtr _system_config;

	explicit SdlPref(std::string file);

	[[nodiscard]] WINPR_JSON* get_item(const std::string& key, bool systemConfigOnly) const;
	[[nodiscard]] WINPR_JSON* get_item(const WINPR_JSONPtr& config, const std::string& key) const;

	[[nodiscard]] WINPR_JSONPtr get(bool systemConfigOnly) const;
	[[nodiscard]] bool get_bool(const WINPR_JSONPtr& config, const std::string& key,
	                            bool fallback = false) const;

	[[nodiscard]] bool is_user_config_enabled() const;

	static std::string get_pref_dir(bool systemConfigOnly);
	static std::string get_default_file(bool systemConfigOnly);
	static std::string item_to_str(WINPR_JSON* item, const std::string& fallback = "");
};
