/* ScummVM - Graphic Adventure Engine
 *
 * ScummVM is the legal property of its developers, whose names
 * are too numerous to list here. Please refer to the COPYRIGHT
 * file distributed with this source distribution.
 *
 * 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 3 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, see <http://www.gnu.org/licenses/>.
 *
 */

#ifndef AGS_ENGINE_SCRIPT_EXECUTING_SCRIPT_H
#define AGS_ENGINE_SCRIPT_EXECUTING_SCRIPT_H

#include "ags/engine/script/cc_instance.h"

namespace AGS3 {

enum PostScriptAction {
	ePSANewRoom,
	ePSAInvScreen,
	ePSARestoreGame,
	ePSARestoreGameDialog,
	ePSARunAGSGame,
	ePSARunDialog,
	ePSARestartGame,
	ePSASaveGame,
	ePSASaveGameDialog
};

#define MAX_QUEUED_SCRIPTS 4
#define MAX_QUEUED_ACTIONS 5
#define MAX_QUEUED_ACTION_DESC 100
#define MAX_FUNCTION_NAME_LEN 60
#define MAX_QUEUED_PARAMS  4

enum ScriptInstType {
	kScInstGame,
	kScInstRoom
};

struct QueuedScript {
	Shared::String     FnName;
	ScriptInstType     Instance;
	size_t             ParamCount;
	RuntimeScriptValue Params[MAX_QUEUED_PARAMS];

	QueuedScript();
};

struct ExecutingScript {
	ccInstance *inst = nullptr;
	// owned fork; CHECKME: this seem unused in the current engine
	std::unique_ptr<ccInstance> forkedInst{};
	PostScriptAction postScriptActions[MAX_QUEUED_ACTIONS]{};
	const char *postScriptActionNames[MAX_QUEUED_ACTIONS]{};
	ScriptPosition postScriptActionPositions[MAX_QUEUED_ACTIONS]{};
	char postScriptSaveSlotDescription[MAX_QUEUED_ACTIONS][MAX_QUEUED_ACTION_DESC]{};
	int postScriptActionData[MAX_QUEUED_ACTIONS]{};
	int numPostScriptActions = 0;
	QueuedScript ScFnQueue[MAX_QUEUED_SCRIPTS]{};
	int numanother = 0;

	ExecutingScript() = default;
	int queue_action(PostScriptAction act, int data, const char *aname);
	void run_another(const char *namm, ScriptInstType scinst, size_t param_count, const RuntimeScriptValue *params);
};

} // namespace AGS3

#endif