#!/usr/bin/env node
// validate_game.js — CLI front door: check a game spec, print every problem
// at once. Exit 0 = valid (warnings allowed), 1 = invalid.
//
//   node tools/validate_game.js example/game.json

import { readFileSync } from "node:fs";
import { validate } from "../src/core/loader.js";

const file = process.argv[2];
if (!file) {
  console.error("usage: node tools/validate_game.js <game.json>");
  process.exit(2);
}
let spec;
try {
  spec = JSON.parse(readFileSync(file, "utf8"));
} catch (e) {
  console.error(`ERROR: ${file} is not valid JSON: ${e.message}`);
  process.exit(1);
}

const { errors, warnings } = validate(spec);
for (const w of warnings) console.warn("WARNING:", w);
if (errors.length) {
  console.error(`ERROR: ${file}: spec invalid:`);
  for (const e of errors) console.error("  - " + e);
  process.exit(1);
}
console.log(`OK: ${file} (${spec.rooms.length} rooms, ${spec.objects?.length ?? 0} objects, ` +
            `${spec.characters.length} characters, ${spec.interactions?.length ?? 0} interactions, ` +
            `${Object.keys(spec.dialogues ?? {}).length} dialogues, ${Object.keys(spec.scenes ?? {}).length} scenes)`);