<?php

declare(strict_types=1);

namespace LIT\MCP\Tests\Unit\Integrations\Divi\Compose;

use LIT\MCP\Integrations\Divi\Compose\ColumnWidths;
use PHPUnit\Framework\TestCase;

final class ColumnWidthsTest extends TestCase
{
    /** Ruling S41: column widths on update follow the rules of "columns". */
    public function testRowWidthsAreChecked(): void
    {
        self::assertNull(ColumnWidths::rowError(['8_24', '16_24']));
        self::assertNull(ColumnWidths::rowError(['1_5', '1_5', '1_5', '1_5', '1_5']));
        self::assertNotNull(ColumnWidths::rowError(['12_24', '16_24']));
        self::assertNotNull(ColumnWidths::rowError(['1_13', '12_13']));
        self::assertNotNull(ColumnWidths::rowError(['x', '24_24']));
        self::assertNotNull(ColumnWidths::rowError([]));
    }

    public function testParseTurnsFractionsIntoFlexTypes(): void
    {
        self::assertSame(['widths' => ['8_24', '16_24'], 'error' => null], ColumnWidths::parse('1_3, 2_3'));
        self::assertSame(['24_24'], ColumnWidths::parse(42)['widths']);
        self::assertStringContainsString('erwartet', (string) ColumnWidths::parse('abc')['error']);
        self::assertStringContainsString('1_13', (string) ColumnWidths::parse('1_13,12_13')['error']);
        self::assertStringContainsString('volle Zeile', (string) ColumnWidths::parse('1_2,1_3')['error']);
    }

    /** Ruling S43: the builder's column classes. */
    public function testColumnClassesAreTheBuilderList(): void
    {
        foreach (['1_24', '24_24', '1_5', '3_5', '1_11', 'none'] as $class) {
            self::assertTrue(ColumnWidths::isColumnClass($class), $class);
        }

        foreach (['0_24', '25_24', '1_2', '4_5', '1_13', '', null, 8] as $class) {
            self::assertFalse(ColumnWidths::isColumnClass($class), var_export($class, true));
        }
    }
}