/**
 * 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_PC_GROUPS_H
#define MAP_PC_GROUPS_H

#include "common/hercules.h"

/* Forward Declarations */
struct DBMap; // common/db.h
struct config_setting_t;

/// PC permissions
enum e_pc_permission {
	PC_PERM_NONE                = 0,        //  #0
	PC_PERM_TRADE               = 0x000001, //  #1
	PC_PERM_PARTY               = 0x000002,
	PC_PERM_ALL_SKILL           = 0x000004,
	PC_PERM_USE_ALL_EQUIPMENT   = 0x000008,
	PC_PERM_SKILL_UNCONDITIONAL = 0x000010,
	PC_PERM_JOIN_ALL_CHAT       = 0x000020,
	PC_PERM_NO_CHAT_KICK        = 0x000040,
	PC_PERM_HIDE_SESSION        = 0x000080,
	PC_PERM_WHO_DISPLAY_AID     = 0x000100,
	PC_PERM_RECEIVE_HACK_INFO   = 0x000200, // #10
	PC_PERM_WARP_ANYWHERE       = 0x000400,
	PC_PERM_VIEW_HPMETER        = 0x000800,
	PC_PERM_VIEW_EQUIPMENT      = 0x001000,
	PC_PERM_USE_CHECK           = 0x002000,
	PC_PERM_USE_CHANGEMAPTYPE   = 0x004000,
	PC_PERM_USE_ALL_COMMANDS    = 0x008000,
	PC_PERM_RECEIVE_REQUESTS    = 0x010000,
	PC_PERM_SHOW_BOSS           = 0x020000,
	PC_PERM_DISABLE_PVM         = 0x040000,
	PC_PERM_DISABLE_PVP         = 0x080000, // #20
	PC_PERM_DISABLE_CMD_DEAD    = 0x100000,
	PC_PERM_HCHSYS_ADMIN        = 0x200000,
	PC_PERM_TRADE_BOUND         = 0x400000,
	PC_PERM_DISABLE_PICK_UP     = 0x800000,
	PC_PERM_DISABLE_STORE       = 0x1000000,
	PC_PERM_DISABLE_EXP         = 0x2000000,
	PC_PERM_DISABLE_SKILL_USAGE = 0x4000000,
};

// Cached config settings for quick lookup
struct GroupSettings {
	unsigned int id; // groups.[].id
	int level; // groups.[].level
	char *name; // copy of groups.[].name
	unsigned int e_permissions; // packed groups.[].permissions
	bool log_commands; // groups.[].log_commands
	int index; // internal index of the group (contiguous range starting at 0) [Ind]
	/// Following are used/available only during config reading
	struct config_setting_t *commands; // groups.[].commands
	struct config_setting_t *permissions; // groups.[].permissions
	struct config_setting_t *inherit; // groups.[].inherit
	bool inheritance_done; // have all inheritance rules been evaluated?
	struct config_setting_t *root; // groups.[]
};

typedef struct GroupSettings GroupSettings;

struct pc_groups_permission_table {
	char *name;
	unsigned int permission;
};

/* used by plugins to list permissions */
struct pc_groups_new_permission {
	unsigned int pID;/* plugin identity (for the future unload during runtime support) */
	char *name;/* aStrdup' of the permission name */
	unsigned int *mask;/* pointer to the plugin val that will store the value of the mask */
};

struct pc_groups_interface {
	/* */
	struct DBMap *db; // id -> GroupSettings
	struct DBMap *name_db; // name -> GroupSettings
	/* */
	struct pc_groups_permission_table *permissions;
	unsigned char permission_count;
	/* */
	struct pc_groups_new_permission *HPMpermissions;
	unsigned char HPMpermissions_count;
	/* */
	void (*init) (void);
	void (*final) (void);
	void (*reload) (void);
	/* */
	GroupSettings* (*get_dummy_group) (void);
	bool (*exists) (int group_id);
	GroupSettings* (*id2group) (int group_id);
	bool (*has_permission) (GroupSettings *group, unsigned int permission);
	bool (*should_log_commands) (GroupSettings *group);
	const char* (*get_name) (GroupSettings *group);
	int (*get_level) (GroupSettings *group);
	int (*get_idx) (GroupSettings *group);
};

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

HPShared struct pc_groups_interface *pcg;

#endif /* MAP_PC_GROUPS_H */
