/******************************************************************************
 * Icinga 2                                                                   *
 * Copyright (C) 2012-2018 Icinga Development Team (https://www.icinga.com/)  *
 *                                                                            *
 * This program is free software; you can redistribute it and/or              *
 * modify it under the terms of the GNU General Public License                *
 * as published by the Free Software Foundation; either version 2             *
 * of the License, or (at your option) any later version.                     *
 *                                                                            *
 * This program is distributed in the hope that it will be useful,            *
 * but WITHOUT ANY WARRANTY; without even the implied warranty of             *
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the              *
 * GNU General Public License for more details.                               *
 *                                                                            *
 * You should have received a copy of the GNU General Public License          *
 * along with this program; if not, write to the Free Software Foundation     *
 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA.             *
 ******************************************************************************/

#ifndef APICLIENT_H
#define APICLIENT_H

#include "remote/httpclientconnection.hpp"
#include "base/value.hpp"
#include "base/exception.hpp"
#include <vector>

namespace icinga
{

struct ApiFieldAttributes
{
public:
	bool Config;
	bool Navigation;
	bool NoUserModify;
	bool NouserView;
	bool Required;
	bool State;
};

class ApiType;

struct ApiField
{
public:
	String Name;
	int ID;
	int ArrayRank;
	ApiFieldAttributes FieldAttributes;
	String TypeName;
	intrusive_ptr<ApiType> Type;
};

class ApiType final : public Object
{
public:
	DECLARE_PTR_TYPEDEFS(ApiType);

	String Name;
	String PluralName;
	String BaseName;
	ApiType::Ptr Base;
	bool Abstract;
	std::map<String, ApiField> Fields;
	std::vector<String> PrototypeKeys;
};

struct ApiObjectReference
{
public:
	String Name;
	String Type;
};

struct ApiObject : public Object
{
public:
	DECLARE_PTR_TYPEDEFS(ApiObject);

	String Name;
	String Type;
	std::map<String, Value> Attrs;
	std::vector<ApiObjectReference> UsedBy;
};

class ApiClient : public Object
{
public:
	DECLARE_PTR_TYPEDEFS(ApiClient);

	ApiClient(const String& host, const String& port,
		String user, String password);

	typedef std::function<void(boost::exception_ptr, const std::vector<ApiType::Ptr>&)> TypesCompletionCallback;
	void GetTypes(const TypesCompletionCallback& callback) const;

	typedef std::function<void(boost::exception_ptr, const std::vector<ApiObject::Ptr>&)> ObjectsCompletionCallback;
	void GetObjects(const String& pluralType, const ObjectsCompletionCallback& callback,
		const std::vector<String>& names = std::vector<String>(),
		const std::vector<String>& attrs = std::vector<String>(),
		const std::vector<String>& joins = std::vector<String>(), bool all_joins = false) const;

	typedef std::function<void(boost::exception_ptr, const Value&)> ExecuteScriptCompletionCallback;
	void ExecuteScript(const String& session, const String& command, bool sandboxed,
		const ExecuteScriptCompletionCallback& callback) const;

	typedef std::function<void(boost::exception_ptr, const Array::Ptr&)> AutocompleteScriptCompletionCallback;
	void AutocompleteScript(const String& session, const String& command, bool sandboxed,
		const AutocompleteScriptCompletionCallback& callback) const;

private:
	HttpClientConnection::Ptr m_Connection;
	String m_User;
	String m_Password;

	static void TypesHttpCompletionCallback(HttpRequest& request,
		HttpResponse& response, const TypesCompletionCallback& callback);
	static void ObjectsHttpCompletionCallback(HttpRequest& request,
		HttpResponse& response, const ObjectsCompletionCallback& callback);
	static void ExecuteScriptHttpCompletionCallback(HttpRequest& request,
		HttpResponse& response, const ExecuteScriptCompletionCallback& callback);
	static void AutocompleteScriptHttpCompletionCallback(HttpRequest& request,
		HttpResponse& response, const AutocompleteScriptCompletionCallback& callback);
};

}

#endif /* APICLIENT_H */