/**
 * The shared correctness suite on desktop WebGPU (Dawn). Run: npm run test:node
 *
 * `--skip-without-gpu` exits 0 when no adapter exists (CI runners without a
 * GPU for Node; the browser suite still covers everything on SwiftShader).
 */
import { installWebGpu, errMsg, NO_ADAPTER_HINT } from './nodeWebGpu.ts';
import { runCases } from '../test/cases.ts';

async function main(): Promise<void> {
  const skipWithoutGpu = process.argv.includes('--skip-without-gpu');
  try {
    console.log(await installWebGpu());
  } catch (e) {
    console.error(errMsg(e));
    process.exit(skipWithoutGpu ? 0 : 1);
  }
  const adapter = await navigator.gpu.requestAdapter();
  if (!adapter) {
    console.error('no WebGPU adapter\n' + NO_ADAPTER_HINT);
    process.exit(skipWithoutGpu ? 0 : 1);
  }
  const device = await adapter.requestDevice({
    requiredLimits: {
      maxStorageBufferBindingSize: adapter.limits.maxStorageBufferBindingSize,
      maxBufferSize: adapter.limits.maxBufferSize,
      maxStorageBuffersPerShaderStage: adapter.limits.maxStorageBuffersPerShaderStage,
    },
  });

  const failures = await runCases(device, (line) => console.log(line));
  console.log(failures ? `\n${failures} failure(s)` : '\nall tests passed');
  process.exit(failures ? 1 : 0);
}

main().catch((e) => {
  console.error(e);
  process.exit(1);
});