import assert from "node:assert/strict";
import crypto from "node:crypto";
import fs from "node:fs";
import os from "node:os";
import path from "node:path";
import { pathToFileURL } from "node:url";
import test from "node:test";
import ts from "typescript";

const repoRoot = path.resolve(import.meta.dirname, "../../..");
const sourcePath = path.join(repoRoot, "web/protocol/asset-catalog-v2.ts");
const temporary = fs.mkdtempSync(path.join(os.tmpdir(), "asset-catalog-v2-unit-"));
const result = ts.transpileModule(fs.readFileSync(sourcePath, "utf8"), {
  compilerOptions: { module: ts.ModuleKind.ES2022, target: ts.ScriptTarget.ES2022 },
  fileName: sourcePath,
  reportDiagnostics: true,
});
assert.deepEqual(result.diagnostics, []);
fs.writeFileSync(path.join(temporary, "asset-catalog-v2.mjs"), result.outputText);
const catalog = await import(pathToFileURL(path.join(temporary, "asset-catalog-v2.mjs")));
const desktop = JSON.parse(fs.readFileSync(path.join(repoRoot, "tests/golden/M12-01B/canonical.json"), "utf8"));
const golden = JSON.parse(fs.readFileSync(path.join(repoRoot, "tests/golden/M12-01C/asset-catalog-v2.json"), "utf8"));
const manifest = JSON.parse(fs.readFileSync(path.join(repoRoot, "tests/golden/M12-01C/manifest.json"), "utf8"));

test("M12-01C binds the desktop and Blender weak-reference sources", () => {
  assert.equal(manifest.nextTask, "M12-01D");
  for (const artifact of Object.values(manifest.artifacts)) {
    const actual = crypto.createHash("sha256").update(fs.readFileSync(path.join(repoRoot, artifact.path))).digest("hex");
    assert.equal(actual, artifact.sha256, `${artifact.path} hash drifted`);
  }
  const weakReferenceSource = fs.readFileSync(path.join(repoRoot, manifest.artifacts.blenderWeakReferenceSource.path), "utf8");
  assert.match(weakReferenceSource, /AssetWeakReference AssetRepresentation::make_weak_reference\(\) const/);
  assert.match(weakReferenceSource, /library_relative_identifier\(\) const/);
});

test("M12-01C converts the desktop catalog baseline into schema v2", async () => {
  const generated = await catalog.createAssetCatalogManifestV2FromDesktop(desktop, 1);
  assert.deepEqual(generated, golden);
  assert.deepEqual(generated.catalogs.map((item) => item.path), ["Characters", "Characters/Heroes", "Materials/Metal"]);
  assert.deepEqual(generated.assets.map((item) => item.relativeAssetIdentifier), [
    "Material/M12 Brushed Metal", "Object/M12 Hero", "World/M12 Uncataloged World",
  ]);
  assert.equal(generated.assets[2].catalogId, null);
  assert.equal(generated.assets[0].author, "");
  assert.equal(generated.assets[0].sourceSha256, null);
  assert.deepEqual(generated.libraries, []);
  assert.equal(generated.assets[1].customProperties.find((item) => item.name === "dimensions").type, "FLOAT_ARRAY");
});

test("M12-01C stable IDs bind Blender weak-reference identity", async () => {
  const local = await catalog.createAssetCatalogV2StableId({ assetLibraryIdentifier: null, relativeAssetIdentifier: "Object/M12 Hero" });
  const external = await catalog.createAssetCatalogV2StableId({ assetLibraryIdentifier: "Studio", relativeAssetIdentifier: "hero.blend/Object/M12 Hero" });
  assert.match(local, /^asset:[a-f0-9]{64}$/);
  assert.match(external, /^asset:[a-f0-9]{64}$/);
  assert.notEqual(local, external);
  assert.equal(local, golden.assets[1].assetId);
  assert.equal(local, await catalog.createAssetCatalogV2StableId({ assetLibraryIdentifier: null, relativeAssetIdentifier: "Object/M12 Hero" }));
});

test("M12-01C exposes UTF-8 byte and collection budgets", async () => {
  assert.equal(catalog.ASSET_CATALOG_SCHEMA, 2);
  assert.equal(catalog.ASSET_CATALOG_V2_BUDGET.maxCatalogSimpleNameBytes, 63);
  assert.equal(catalog.ASSET_CATALOG_V2_BUDGET.maxTagBytes, 63);
  assert.equal(catalog.ASSET_CATALOG_V2_BUDGET.maxCatalogs, 10_000);
  assert.equal(catalog.ASSET_CATALOG_V2_BUDGET.maxAssets, 100_000);
  assert.deepEqual(catalog.ASSET_CATALOG_V2_ID_TYPES, ["ACTION", "COLLECTION", "IMAGE", "MATERIAL", "NODE_GROUP", "OBJECT", "WORLD"]);
  assert.deepEqual(await catalog.parseAssetCatalogManifestV2(golden), golden);
});

test.after(() => fs.rmSync(temporary, { recursive: true, force: true }));