<?php

declare(strict_types=1);

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

use InvalidArgumentException;
use LIT\MCP\Integrations\Divi\Design\PageRewriter;
use LIT\MCP\Integrations\Divi\Design\PostIdsInput;
use PHPUnit\Framework\TestCase;

final class PostIdsInputTest extends TestCase
{
    public function testParsesAListOfPositiveIdsWithoutDuplicates(): void
    {
        self::assertNull(PostIdsInput::parse(null));
        self::assertSame([12, 13], PostIdsInput::parse([12, 13, 12]));
        self::assertSame(PageRewriter::PAGE_LIMIT, PostIdsInput::MAX);
    }

    /** @dataProvider invalidInput */
    public function testRefusesEverythingElse(mixed $value): void
    {
        $this->expectException(InvalidArgumentException::class);
        $this->expectExceptionMessage('Liste von 1 bis 50 Beitrags-IDs (positive ganze Zahlen) erwartet');

        PostIdsInput::parse($value);
    }

    /** @return array<string, array{mixed}> */
    public static function invalidInput(): array
    {
        return [
            'leer' => [[]],
            'null als ID' => [[0]],
            'negativ' => [[-3]],
            'Text' => [['12']],
            'Objekt' => [['a' => 1]],
            'zu viele' => [range(1, 51)],
            'keine Liste' => [12],
        ];
    }

    public function testSchemaMatchesTheParser(): void
    {
        $schema = PostIdsInput::schema();

        self::assertSame('array', $schema['type']);
        self::assertSame(1, $schema['minItems']);
        self::assertSame(50, $schema['maxItems']);
        self::assertSame(['type' => 'integer', 'minimum' => 1], $schema['items']);
    }
}