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 { execFileSync } from "node:child_process";
import { fileURLToPath } from "node:url";

const root = path.resolve(path.dirname(fileURLToPath(import.meta.url)), "../..");
const manifestPath = path.join(root, "tests/golden/M12-01B/manifest.json");
const manifest = JSON.parse(fs.readFileSync(manifestPath, "utf8"));
const blender = process.env.BLENDER_BIN ?? path.join(root, "build_blender_5.2.0/bin/blender");
const sha256 = (file) => crypto.createHash("sha256").update(fs.readFileSync(file)).digest("hex");
const artifact = (name) => path.join(root, manifest.artifacts[name].path);

assert.equal(manifest.schemaVersion, 1);
assert.equal(manifest.task, "M12-01B");
assert.equal(manifest.enablingTask, true);
assert.equal(manifest.parityStateChange, false);
assert.equal(manifest.nextTask, "M12-01C");
assert.match(execFileSync(blender, ["--version"], { encoding: "utf8" }), /^Blender 5\.2\.0 LTS/m);
for (const name of ["generator", "exporter", "checker", "fixture", "catalogDefinition", "canonicalReport"]) {
  assert.equal(sha256(artifact(name)), manifest.artifacts[name].sha256, `${name} hash drifted`);
}

const expected = JSON.parse(fs.readFileSync(artifact("canonicalReport"), "utf8"));
assert.equal(expected.schemaVersion, 1);
assert.equal(expected.blenderVersion, "5.2.0");
assert.equal(expected.catalogDefinition.version, 1);
assert.equal(expected.catalogDefinition.records.length, 3);
assert.deepEqual(expected.catalogDefinition.records.map((item) => item.path), ["Characters", "Characters/Heroes", "Materials/Metal"]);
assert.deepEqual(expected.catalogDefinition.records.map((item) => item.parentPath), [null, "Characters", "Materials"]);
assert.equal(expected.assets.length, 3);
assert.deepEqual(expected.assets.map((item) => `${item.idType}:${item.name}`), [
  "MATERIAL:M12 Brushed Metal",
  "OBJECT:M12 Hero",
  "WORLD:M12 Uncataloged World",
]);
const hero = expected.assets.find((item) => item.name === "M12 Hero");
assert.deepEqual(hero.tags, ["character", "hero", "rig-ready"]);
assert.equal(hero.activeTag, 1);
assert.equal(hero.catalogId, "22222222-2222-4222-8222-222222222222");
assert.equal(hero.catalogSimpleName, "");
assert.equal(hero.usePreferredImportMethod, true);
assert.equal(hero.preferredImportMethod, "APPEND");
assert.deepEqual(hero.customProperties.map((item) => item.name), ["approved", "dimensions", "rating", "source"]);
assert.deepEqual(hero.customProperties.find((item) => item.name === "dimensions").value, [2, 2, 0]);
const material = expected.assets.find((item) => item.name === "M12 Brushed Metal");
assert.equal(material.author, "");
assert.equal(material.license, "");
const world = expected.assets.find((item) => item.name === "M12 Uncataloged World");
assert.equal(world.catalogId, "00000000-0000-0000-0000-000000000000");

const temporary = fs.mkdtempSync(path.join(os.tmpdir(), "m12-asset-catalog-v1-"));
try {
  execFileSync(blender, [
    "--background", "--factory-startup", "--python", artifact("generator"), "--", temporary,
  ], { cwd: root, stdio: "pipe" });
  const generatedFixture = path.join(temporary, "m12_asset_catalog_v1.blend");
  const generatedCatalog = path.join(temporary, "blender_assets.cats.txt");
  const generatedReport = path.join(temporary, "canonical.json");
  assert.ok(fs.statSync(generatedFixture).size > 0);
  assert.equal(fs.readFileSync(generatedCatalog, "utf8"), fs.readFileSync(artifact("catalogDefinition"), "utf8"));
  execFileSync(blender, [
    "--background", generatedFixture, "--python", artifact("exporter"), "--", generatedCatalog, generatedReport,
  ], { cwd: root, stdio: "pipe" });
  assert.deepEqual(JSON.parse(fs.readFileSync(generatedReport, "utf8")), expected);

  const reopenedReport = path.join(temporary, "checked-in-canonical.json");
  execFileSync(blender, [
    "--background", artifact("fixture"), "--python", artifact("exporter"), "--",
    artifact("catalogDefinition"), reopenedReport,
  ], { cwd: root, stdio: "pipe" });
  assert.deepEqual(JSON.parse(fs.readFileSync(reopenedReport, "utf8")), expected);
}
finally {
  fs.rmSync(temporary, { recursive: true, force: true });
}

process.stdout.write(`asset-catalog-v1-fixture-ok catalogs=3 assets=3 metadata=complete next=${manifest.nextTask}\n`);