import { POKEMONS } from "@/data/pokemon";
import { calculateStat } from "@/utils/calculateStat";
import { NATURE_MODIFIER_MAP } from "@/utils/natureModifier";
import type { CalculateDamageInput } from "../../schemas/damageSchema";
interface GetStatValueParams {
stat:
| CalculateDamageInput["attacker"]["stat"]
| CalculateDamageInput["defender"]["stat"];
level: number;
statName: "atk" | "def" | "spa" | "spd";
pokemonName?: string;
}
export const getStatValue = (params: GetStatValueParams): number => {
const { stat, level, statName, pokemonName } = params;
if ("value" in stat) {
return stat.value;
}
// ivまたはcalculateAllEvsが指定されている場合は種族値が必要
if ("iv" in stat) {
if (!pokemonName) {
throw new Error("種族値の計算にはポケモン名が必要です");
}
const pokemon = POKEMONS.find((p) => p.name === pokemonName);
if (!pokemon) {
throw new Error(`ポケモン「${pokemonName}」が見つかりません`);
}
const baseStat = pokemon.baseStats[statName];
if ("ev" in stat) {
const natureModifier =
NATURE_MODIFIER_MAP[stat.natureModifier || "neutral"];
return calculateStat({
baseStat,
iv: stat.iv,
ev: stat.ev,
level,
natureModifier,
});
}
}
throw new Error("無効なステータス入力です");
};
