/**
 * This file is part of Hercules.
 * http://herc.ws - http://github.com/HerculesWS/Hercules
 *
 * Copyright (C) 2012-2018  Hercules Dev Team
 * Copyright (C)  Athena Dev Teams
 *
 * Hercules 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 MAP_INSTANCE_H
#define MAP_INSTANCE_H

#include "map/script.h" // struct reg_db
#include "common/hercules.h"
#include "common/mmo.h" // struct point

struct hplugin_data_store;
struct block_list;
struct map_session_data;

#define INSTANCE_NAME_LENGTH (60+1)

typedef enum instance_state {
	INSTANCE_FREE,
	INSTANCE_IDLE,
	INSTANCE_BUSY
} instance_state;

enum instance_owner_type {
	IOT_NONE,
	IOT_CHAR,
	IOT_PARTY,
	IOT_GUILD,
	/* ... */
	IOT_MAX,
};

struct instance_data {
	unsigned short id;
	char name[INSTANCE_NAME_LENGTH]; ///< Instance Name - required for clif functions.
	instance_state state;
	enum instance_owner_type owner_type;
	int owner_id;

	unsigned short *map;
	unsigned short num_map;
	unsigned short users;

	struct reg_db regs; ///< Instance variables for scripts

	int progress_timer;
	unsigned int progress_timeout;

	int idle_timer;
	unsigned int idle_timeout, idle_timeoutval;

	unsigned int original_progress_timeout;

	struct point respawn; ///< reload spawn
	struct hplugin_data_store *hdata; ///< HPM Plugin Data Store
};

struct instance_interface {
	void (*init) (bool minimal);
	void (*final) (void);
	void (*reload) (void);
	/* start point */
	unsigned short start_id;
	unsigned short instances;/* count */
	/* */
	struct instance_data *list;/* pointer to a chunk of consecutive memory, access via instance->list[0]..etc */
	/* */
	int (*create) (int party_id, const char *name, enum instance_owner_type type);
	int (*add_map) (const char *name, int instance_id, bool usebasename, const char *map_name);
	void (*del_map) (int16 m);
	int (*map2imap) (int16 m, int instance_id);
	int (*mapid2imapid) (int16 m, int instance_id);
	int (*mapname2imap) (const char *map_name, int instance_id);
	int (*map_npcsub) (struct block_list* bl, va_list args);
	int (*init_npc) (struct block_list* bl, va_list args);
	void (*destroy) (int instance_id);
	void (*start) (int instance_id);
	void (*check_idle) (int instance_id);
	void (*check_kick) (struct map_session_data *sd);
	void (*set_timeout) (int instance_id, unsigned int progress_timeout, unsigned int idle_timeout);
	bool (*valid) (int instance_id);
	int (*destroy_timer) (int tid, int64 tick, int id, intptr_t data);
	void (*force_destroy) (struct map_session_data *sd);
};

#ifdef HERCULES_CORE
void instance_defaults(void);
#endif // HERCULES_CORE

HPShared struct instance_interface *instance;

#endif /* MAP_INSTANCE_H */