/**
 * Write the three v1 instrument files. The builder (author/build.ts) is the
 * source of truth; the JSON in instruments/ is its checked-in output, so
 * `npm run author` after an edit regenerates them deterministically.
 */
import { mkdirSync, writeFileSync } from 'node:fs';
import { buildInstrument } from '../author/build.ts';

const instruments = [
  buildInstrument({
    name: 'drum',
    description:
      'A struck membrane over a cylindrical shell. The head’s inharmonic modes plus the cavity under it are what make it a drum.',
    object: 'membrane',
    body: 'shell',
  }),
  buildInstrument({
    name: 'dulcimer',
    description:
      'One plucked string over a rigid box with a sound hole, radiating along its line and driving a bridge patch above the plate.',
    object: 'string',
    body: 'box',
    defaults: { mic_x: 0.12, mic_y: 0.08, mic_z: 0.1 },
  }),
  buildInstrument({
    name: 'chime',
    description:
      'A stiff bar in open air, struck. No tension, so the stiffness sets the partials at n²·f1, which is the bell-like sound.',
    object: 'bar',
    body: 'none',
    defaults: { mic_x: 0.12, mic_y: 0.08, mic_z: 0.1 },
  }),
];

mkdirSync(new URL('../instruments', import.meta.url), { recursive: true });
for (const inst of instruments) {
  const path = new URL(`../instruments/${inst.name}.instrument.json`, import.meta.url);
  writeFileSync(path, `${JSON.stringify(inst, null, 2)}\n`);
  console.log(`wrote instruments/${inst.name}.instrument.json (${inst.params.length} params, ${Object.keys(inst.shaders).length} shaders)`);
}