/* SPDX-License-Identifier: MIT */
/*
 * konrmdata.h
 *
 * Copyright (c) 2026 KonAki
 *
 * Permission is hereby granted, free of charge, to any person obtaining a copy
 * of this software and associated documentation files (the "Software"), to deal
 * in the Software without restriction, including without limitation the rights
 * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
 * copies of the Software, and to permit persons to whom the Software is
 * furnished to do so, subject to the following conditions:
 *
 * The above copyright notice and this permission notice shall be included in all
 * copies or substantial portions of the Software.
 *
 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
 * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
 * SOFTWARE.
 */

#ifndef KONRMDATA_H
#define KONRMDATA_H

#include "konbattle.h"

#ifdef __cplusplus
extern "C" {
#endif

/*** definition ***/

/* what mzdata writes for the database of an RPG Maker MV or MZ game: enemies and troops here, the states, skills and items
   as the tables konbattle.h already has. all of it is indexed by the id the game gives, entry 0 is empty and so is an id that
   is not there. the structs are only ever read. a troop's battle events are scripts, the page n of troop t is the label
   "t<t>p<n>" in the konscript the converter wrote, counting from 1 */

#define KON_RM_ELEMENTS 16

typedef struct kon_rmEnemyAction {
	int skillId;
	int conditionType; /* 0 always, 1 turn, 2 hp, 3 mp, 4 state, 5 party level, 6 switch */
	int param1, param2; /* turn: a and b, hp and mp: from and to in percent, the others the number to look at */
	int rating;
} kon_rmEnemyAction_t;

typedef struct kon_rmDrop {
	int kind; /* 1 item, 2 weapon, 3 armor */
	int dataId;
	int denominator; /* one chance in so many */
} kon_rmDrop_t;

typedef struct kon_rmEnemy {
	const char *name;
	const char *battlerName; /* the picture, in img/enemies or img/sv_enemies */
	int battlerHue;
	int params[KON_PARAMS]; /* max hp, max mp, atk, def, mat, mdf, agi, luk */
	int exp, gold;
	int hit, eva, cri, cev, mev, mrf; /* percents */
	int pdr, mdr; /* damage taken from physical and magical hits, percent */
	int hrg, mrg, trg;
	int elementRate[KON_RM_ELEMENTS]; /* percent, 0 and the ones past the end of the table are no element */
	const kon_rmEnemyAction_t *actions;
	int actionCount;
	const kon_rmDrop_t *drops;
	int dropCount;
} kon_rmEnemy_t;

typedef struct kon_rmTroopMember {
	int enemyId, x, y, hidden;
} kon_rmTroopMember_t;

/* when a battle event page runs. each condition counts only when its valid flag is 1 */
typedef struct kon_rmTroopPage {
	int turnValid, turnA, turnB, turnEnding;
	int enemyValid, enemyIndex, enemyHp;
	int actorValid, actorId, actorHp;
	int switchValid, switchId;
	int span; /* 0 once in the battle, 1 once a turn, 2 all the time */
} kon_rmTroopPage_t;

typedef struct kon_rmTroop {
	const char *name;
	const kon_rmTroopMember_t *members;
	int memberCount;
	const kon_rmTroopPage_t *pages;
	int pageCount;
} kon_rmTroop_t;

/*** enemies ***/

/* the battler of an enemy, at full hp and mp. the name is the enemy's */
void kon_rmEnemyBattler(const kon_rmEnemy_t *enemy, kon_battler_t *out);

/* what the game knows about the enemy and the fight, for the actions that have conditions. any of the callbacks can be NULL, which
   reads as no, and a skill that is not usable is not picked */
typedef struct kon_rmAi {
	int turn;
	const kon_battler_t *self;
	int partyLevel;
	int (*switchOn)(int id, void *user);
	int (*usable)(int skillId, void *user);
	void *user;
} kon_rmAi_t;

/* the skill the enemy does, picked the way RPG Maker does: of the usable actions whose condition is true, the ones within 2 of
   the best rating are drawn by how much they are above that. returns 0 for none. seed is the state of a random generator, any
   number but 0 */
int kon_rmEnemyAction(const kon_rmEnemy_t *enemy, const kon_rmAi_t *ai, uint32_t *seed);

/*** troops ***/

/* is the page's condition true. turnEnd is 1 at the end of a turn. enemyHp and actorHp are the percent of hp the enemy and the actor the condition names have, or -1 when
   they are not in the fight. turn counts from 1 and a page with a span is the game's to keep track of */
int kon_rmTroopPageReady(const kon_rmTroopPage_t *page, int turn, int turnEnd, int enemyHp, int actorHp, int switchOn);

#ifdef __cplusplus
}
#endif
#endif