const { test } = require('node:test');
const assert = require('node:assert');
const path = require('node:path');
const fs = require('node:fs');
const os = require('node:os');
const { PNG } = require('pngjs');
const { bake } = require('../src/bake');

test('bake-oversize: tile that does not fit hard-fails', async () => {
    const srcDir = fs.mkdtempSync(path.join(os.tmpdir(), 'atlas-over-src-'));
    const outDir = fs.mkdtempSync(path.join(os.tmpdir(), 'atlas-over-out-'));
    try {
        // Single huge 256x256 tile, max canvas 128 -> cannot fit
        const png = new PNG({ width: 256, height: 256 });
        png.data.fill(255);
        fs.writeFileSync(path.join(srcDir, 'huge_diffuse.png'), PNG.sync.write(png));

        await assert.rejects(
            () => bake({
                inDir: srcDir,
                outDir,
                atlasId: 'over',
                tileSize: 256,
                maxSize: 128,
            }),
            /does not fit/,
        );
    } finally {
        fs.rmSync(srcDir, { recursive: true, force: true });
        fs.rmSync(outDir, { recursive: true, force: true });
    }
});