/**
 * The suite on desktop WebGPU (Google Dawn), against the real pipeline:
 * MATLAB source -> numbl lowering -> generated WGSL -> GPU.
 *
 * Run through vite-node, which is what resolves numbl's compiler sources and
 * the `?raw` .m imports:
 *
 *   npm run test:node
 */
import { installWebGpu, errMsg, NO_ADAPTER_HINT } from './nodeWebGpu.ts';
import { requestAcousticDevice } from '../src/device.ts';
import {
  stencilChecks,
  propagationChecks,
  boundaryChecks,
  scatteringChecks,
  stabilityChecks,
  splitChecks,
  microphoneChecks,
  roomChecks,
  planChecks,
} from '../test/checks.ts';

let failures = 0;
const check = (name: string, ok: boolean, detail: string): void => {
  console.log(`${ok ? 'PASS' : 'FAIL'}  ${name}  —  ${detail}`);
  if (!ok) failures++;
};
const log = (s: string): void => console.log(s);

/**
 * These checks compile MATLAB to compute shaders, so they need a GPU.
 * `--skip-without-gpu` lets a runner that has none say so and move on; a plain
 * local run still fails loudly, so a missing GPU is never mistaken for a pass.
 */
const skipWithoutGpu = process.argv.includes('--skip-without-gpu');

let runtime: string;
let device: GPUDevice;
try {
  runtime = await installWebGpu();
  device = await requestAcousticDevice();
} catch (e) {
  const detail = `${errMsg(e)}\n${NO_ADAPTER_HINT}`;
  if (skipWithoutGpu) {
    console.log(`SKIP  no WebGPU available here, so these checks did not run.\n${detail}`);
    process.exit(0);
  }
  console.error(`test-node: ${detail}`);
  process.exit(1);
}
console.log(`acoustic-scattering-2d tests — ${runtime}\n`);

await stencilChecks(device, check, log);
await propagationChecks(device, check, log);
await boundaryChecks(device, check, log);
await scatteringChecks(device, check, log);
await stabilityChecks(device, check, log);
await splitChecks(device, check, log);
await microphoneChecks(device, check, log);
await roomChecks(device, check, log);
await planChecks(device, check, log);

console.log(failures ? `\n${failures} failure(s)` : '\nall checks passed');
process.exit(failures ? 1 : 0);