import assert from 'node:assert/strict';
import test from 'node:test';
import {
	SVOD2_TABLE_CONTAINER_SX,
	createColumnBandMap,
	createColumnClassMap,
	createColumnGroupEndSet,
	getEstimateTypeClassName,
	getSvod2CellClassName,
} from './svod2Styles.js';

const columns = [
	{ id: 'a' },
	{ id: 'g1', columns: [{ id: 'g1.x' }, { id: 'g1.sub', columns: [{ id: 'g1.sub.y' }, { id: 'g1.sub.z' }] }] },
	{ id: 'b' },
	{ id: 'g2', columns: [{ id: 'g2.x' }, { id: 'g2.y' }] },
];

test('bands alternate by top-level column and are inherited by children', () => {
	const bands = createColumnBandMap(columns);
	assert.equal(bands.get('a'), 0);
	assert.equal(bands.get('g1'), 1);
	assert.equal(bands.get('g1.sub.z'), 1);
	assert.equal(bands.get('b'), 0);
	assert.equal(bands.get('g2.y'), 1);
});

test('group ends contain the group id and its last leaf only', () => {
	const ends = createColumnGroupEndSet(columns);
	assert.deepEqual([...ends].sort(), ['g1', 'g1.sub.z', 'g2', 'g2.y']);
});

test('cell class name combines band and group-end', () => {
	const bands = createColumnBandMap(columns);
	const ends = createColumnGroupEndSet(columns);
	assert.equal(getSvod2CellClassName('a', bands, ends), undefined);
	assert.equal(getSvod2CellClassName('g1.x', bands, ends), 'svod2-band-1');
	assert.equal(getSvod2CellClassName('g1.sub.z', bands, ends), 'svod2-band-1 svod2-group-end');
	assert.equal(getSvod2CellClassName('unknown', bands, ends), undefined);
});

test('class map is precomputed for every column id', () => {
	const map = createColumnClassMap(columns);
	assert.equal(map.size, 10);
	assert.equal(map.get('g2.y'), 'svod2-band-1 svod2-group-end');
	assert.equal(map.get('a'), undefined);
});

test('estimate type class falls back to default', () => {
	assert.equal(getEstimateTypeClassName('АХР'), 'svod2-badge svod2-badge-ahr');
	assert.equal(getEstimateTypeClassName('Прочее'), 'svod2-badge svod2-badge-default');
});

test('container styles define cell, band, group-end and pinned rules', () => {
	for (const key of [
		'& td',
		'& th',
		'& td.svod2-band-1',
		'& th.svod2-band-1',
		'& td.svod2-group-end',
		'& th.svod2-group-end',
		'& td[data-pinned="true"]',
		'& th[data-pinned="true"]',
	]) {
		assert.ok(SVOD2_TABLE_CONTAINER_SX[key], key);
	}
});