import * as path from "path";
import * as os from "os";
import * as fs from "fs";
import { runTests } from "@vscode/test-electron";

async function main(): Promise<void> {
  const projectRoot = path.resolve(__dirname, "../../../");
  const extensionDevelopmentPath = projectRoot;
  const extensionTestsPath = path.resolve(__dirname, "./suite/index");

  // Copy the fixture workspace to a temp dir so test writes are throwaway.
  const fixture = path.resolve(projectRoot, "test/e2e/fixtures/workspace");
  const workspace = fs.mkdtempSync(path.join(os.tmpdir(), "cowriting-e2e-"));
  fs.cpSync(fixture, workspace, { recursive: true });

  try {
    await runTests({
      extensionDevelopmentPath,
      extensionTestsPath,
      launchArgs: [workspace, "--disable-extensions"],
      extensionTestsEnv: { E2E_WORKSPACE: workspace },
    });

    // Second pass — NO workspace folder (regression for #8): commands must
    // exist as warning stubs instead of erroring "command not found".
    await runTests({
      extensionDevelopmentPath,
      extensionTestsPath: path.resolve(__dirname, "./suite-no-workspace/index"),
      launchArgs: ["--disable-extensions"],
    });
  } finally {
    fs.rmSync(workspace, { recursive: true, force: true });
  }
}

main().catch((err) => {
  console.error("E2E run failed:", err);
  process.exit(1);
});