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, pathToFileURL } from "node:url";
import ts from "../../web/node_modules/typescript/lib/typescript.js";

const repoRoot = path.resolve(path.dirname(fileURLToPath(import.meta.url)), "../..");
const registryPath = path.join(repoRoot, "web/app/src/capabilities/io-format-ui-registry.json");
const matrixPath = path.join(repoRoot, "tests/golden/M12-05B/capability-matrix.json");
const matrixProtocolPath = path.join(repoRoot, "web/protocol/io-format-capability-matrix.ts");
const gateProtocolPath = path.join(repoRoot, "web/protocol/io-format-ui-gate.ts");
const temporary = fs.mkdtempSync(path.join(os.tmpdir(), "io-format-ui-gate-check-"));
const sha256 = (bytes) => crypto.createHash("sha256").update(bytes).digest("hex");
try {
  const registry = JSON.parse(fs.readFileSync(registryPath, "utf8"));
  const matrixBytes = fs.readFileSync(matrixPath);
  const transpile = (sourcePath, fileName) => {
    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, []);
    const target = path.join(temporary, fileName);
    fs.writeFileSync(target, result.outputText);
    return target;
  };
  const matrixProtocol = await import(pathToFileURL(transpile(matrixProtocolPath, "matrix.mjs")));
  const gateProtocol = await import(pathToFileURL(transpile(gateProtocolPath, "gate.mjs")));
  const matrix = matrixProtocol.parseIOFormatCapabilityMatrix(JSON.parse(matrixBytes));
  gateProtocol.validateIOFormatUIRegistry(registry, matrix, sha256(matrixBytes));
  assert.equal(registry.task, "M12-05C");
  assert.equal(registry.parentMatrixSha256, sha256(matrixBytes));
  assert.equal(registry.projectFileAccept, ".blend,application/octet-stream");
  assert.deepEqual(registry.importRoutes, [], "no blocked import route may reach the file selector");
  assert.deepEqual(registry.exportRoutes, [{ format: "GLB", operation: "EXPORT", execution: "LOCAL", extensions: [".glb"] }]);
  const regenerated = path.join(temporary, "registry.json");
  execFileSync(process.execPath, [path.join(repoRoot, "tools/web/generate-io-format-ui-gate.mjs"), "--output", regenerated], { cwd: repoRoot });
  assert.deepEqual(fs.readFileSync(regenerated), fs.readFileSync(registryPath), "UI registry is not deterministic");
  process.stdout.write("io-format-ui-gate-ok import-routes=0 export-routes=1 file-accept=.blend,application/octet-stream fail-closed=true\n");
}
finally {
  fs.rmSync(temporary, { recursive: true, force: true });
}