FIX: All bug in Custom Enemy, UPDATE: Add specical main skill, optimaze ui in custom enemy

src/lib/loader/monsterLoader.ts

@@ -0,0 +1,51 @@
+import fs from 'fs';
+import path from 'path';
+import { MonsterDetail } from '@/types';
+import { getMonsterDetailApi } from '../api';
+
+const DATA_DIR = path.join(process.cwd(), 'data');
+const monsterFileCache: Record<string, Record<string, MonsterDetail>> = {};
+export let monsterMap: Record<string, MonsterDetail> = {};
+
+function getJsonFilePath(locale: string): string {
+  return path.join(DATA_DIR, `monster.${locale}.json`);
+}
+
+function loadFromFileIfExists(locale: string): Record<string, MonsterDetail> | null {
+  if (monsterFileCache[locale]) return monsterFileCache[locale];
+
+  const filePath = getJsonFilePath(locale);
+  if (fs.existsSync(filePath)) {
+    const data = JSON.parse(fs.readFileSync(filePath, 'utf-8')) as Record<string, MonsterDetail>;
+    monsterFileCache[locale] = data;
+    return data;
+  }
+  return null;
+}
+
+export async function loadMonster(charIds: string[], locale: string): Promise<Record<string, MonsterDetail>> {
+  const fileData = loadFromFileIfExists(locale);
+  const fileIds = fileData ? Object.keys(fileData) : [];
+
+  if (fileData && charIds.every(id => fileIds.includes(id))) {
+    monsterMap = fileData;
+    return monsterMap;
+  }
+
+  const result: Record<string, MonsterDetail> = {};
+
+  await Promise.all(
+    charIds.map(async id => {
+      const info = await getMonsterDetailApi(Number(id), locale);
+      if (info) result[id] = info;
+    })
+  );
+
+  fs.mkdirSync(DATA_DIR, { recursive: true });
+  const filePath = getJsonFilePath(locale);
+  fs.writeFileSync(filePath, JSON.stringify(result, null, 2), 'utf-8');
+
+  monsterFileCache[locale] = result;
+  monsterMap = result;
+  return result;
+}