import fs from 'node:fs';
import {buildScrollKeys} from '../src/shared/scroll.js';
import type {RenderData, VisualSettings} from '../src/shared/types.js';

/** Builds Remotion still props for a finished job, using exactly its saved settings. */
const id = process.argv[2];
if (!id) throw new Error('usage: tsx scripts/props-from-job.ts <jobId> [outFile]');
const out = process.argv[3] ?? 'data/check/p-job.json';

const data = JSON.parse(fs.readFileSync(`data/jobs/${id}/score.json`, 'utf8')) as RenderData;
const job = JSON.parse(fs.readFileSync(`data/jobs/${id}/job.json`, 'utf8')) as {
  settings?: Partial<VisualSettings>;
};
const settings: VisualSettings = {...data.settings, ...(job.settings ?? {})};

const displayHeight = settings.height * settings.scoreHeightRatio;
const displayScale = displayHeight / Math.max(1, data.meta.svgHeight);
const viewWidthScore = settings.width / displayScale;
const maxLeft = Math.max(0, data.meta.svgWidth - viewWidthScore);
const scroll = buildScrollKeys(
  data.events,
  settings.scrollLead,
  viewWidthScore,
  maxLeft,
  data.meta.musicDuration,
);

fs.writeFileSync(
  out,
  JSON.stringify(
    {
      data: {
        ...data,
        settings,
        scroll,
        svgUrl: `http://127.0.0.1:3001/jobs/${id}/score.svg`,
        audioUrl: `http://127.0.0.1:3001/jobs/${id}/audio.wav`,
      },
    },
    null,
    2,
  ),
);
console.log(`${out}: ${settings.width}x${settings.height} tiltX=${settings.tiltX} tiltZ=${settings.tiltZ}`);