import { readFileSync, existsSync } from "node:fs";
import { resolve } from "node:path";
import { logger } from "../utils/logger.js";
import type { ClassInfo, GroupInfo, HierarchyNode, WikiPage } from "./types.js";
export interface IndexData {
enfusionClasses: ClassInfo[];
armaClasses: ClassInfo[];
hierarchy: HierarchyNode[];
groups: GroupInfo[];
wikiPages: WikiPage[];
}
function loadJson<T>(filePath: string, fallback: T): T {
if (!existsSync(filePath)) {
logger.warn(`Index file not found: ${filePath}`);
return fallback;
}
try {
const raw = readFileSync(filePath, "utf-8");
return JSON.parse(raw) as T;
} catch (e) {
logger.error(`Failed to parse index file ${filePath}: ${e}`);
return fallback;
}
}
export function loadIndex(dataDir: string): IndexData {
const apiDir = resolve(dataDir, "api");
const wikiDir = resolve(dataDir, "wiki");
const data: IndexData = {
enfusionClasses: loadJson<ClassInfo[]>(
resolve(apiDir, "enfusion-classes.json"),
[]
),
armaClasses: loadJson<ClassInfo[]>(
resolve(apiDir, "arma-classes.json"),
[]
),
hierarchy: loadJson<HierarchyNode[]>(
resolve(apiDir, "hierarchy.json"),
[]
),
groups: loadJson<GroupInfo[]>(resolve(apiDir, "groups.json"), []),
wikiPages: loadJson<WikiPage[]>(resolve(wikiDir, "pages.json"), []),
};
const total = data.enfusionClasses.length + data.armaClasses.length;
logger.info(
`Loaded index: ${data.enfusionClasses.length} enfusion + ${data.armaClasses.length} arma classes (${total} total), ${data.groups.length} groups, ${data.wikiPages.length} wiki pages`
);
return data;
}
