import { mkdir, writeFile } from "node:fs/promises";
import path from "node:path";
import {
  optionValue,
  projectPath,
  projectRoot,
  slugify,
} from "./lib/recipe.mjs";
import { inspectWdb } from "./lib/wdb.mjs";

const argv = process.argv.slice(2);
const sourceRoot = path.resolve(
  process.env.RUNEWAKER_ROOT
    ?? path.join(projectRoot, "../rom-pvt-server-backups/Runewaker"),
);
const requested = optionValue(argv, "--wdb") ?? argv.find((value) => value.endsWith(".wdb"));
if (!requested) {
  throw new Error("Usage: npm run runewaker:instance -- inspect-wdb --wdb dgn_name.wdb");
}
const wdbFile = path.isAbsolute(requested)
  ? requested
  : path.join(sourceRoot, "Resource", "wdb", "dungeon", requested);
const slug = slugify(optionValue(argv, "--slug", path.parse(wdbFile).name));
const workRoot = path.join(projectRoot, "runewaker-export-work", slug, "inspection");
const nativeReportFile = path.join(workRoot, "wdb-report.json");
const summaryFile = path.join(workRoot, "wdb-environment-candidates.json");

const inspection = await inspectWdb({ wdbFile, reportFile: nativeReportFile });
const summary = {
  schemaVersion: 1,
  wdb: projectPath(wdbFile),
  descriptorCount: inspection.report.descriptorCount,
  recommendation: inspection.recommendation,
  candidates: inspection.candidates.slice(0, 30).map(({ descriptor, ...candidate }) => ({
    ...candidate,
    representativePlacement: descriptor,
  })),
};
await mkdir(path.dirname(summaryFile), { recursive: true });
await writeFile(summaryFile, JSON.stringify(summary, null, 2) + "\n", "utf8");
console.log("\n[runewaker] recommendation: "
  + (summary.recommendation?.resource ?? "none")
  + " (" + (summary.recommendation?.confidence ?? "unavailable") + ")");
console.log("[runewaker] inspection: " + projectPath(summaryFile));