<?php

/* Copyright (C) 2026 Moko Consulting <hello@mokoconsulting.tech>
 * SPDX-License-Identifier: GPL-3.0-or-later
 */

declare(strict_types=1);

namespace MokoStandards\Tests\Unit;

use MokoEnterprise\ConfigValidator;
use PHPUnit\Framework\TestCase;

class ConfigValidatorTest extends TestCase
{
    private ConfigValidator $validator;

    protected function setUp(): void
    {
        $this->validator = new ConfigValidator();
    }

    public function testValidConfigPasses(): void
    {
        $schema = [
            'type' => 'object',
            'properties' => [
                'name' => ['type' => 'string'],
                'version' => ['type' => 'string'],
            ],
            'required' => ['name'],
        ];

        $config = ['name' => 'MyProject', 'version' => '1.0'];

        $this->assertTrue($this->validator->validate($config, $schema));
        $this->assertEmpty($this->validator->getErrors());
    }

    public function testMissingRequiredField(): void
    {
        $schema = [
            'type' => 'object',
            'properties' => [
                'name' => ['type' => 'string'],
            ],
            'required' => ['name'],
        ];

        $this->assertFalse($this->validator->validate([], $schema));
        $this->assertStringContainsString(
            'required',
            $this->validator->getErrors()[0]
        );
    }

    public function testEnumValidation(): void
    {
        $schema = [
            'type' => 'object',
            'properties' => [
                'type' => [
                    'type' => 'string',
                    'enum' => ['component', 'module', 'plugin'],
                ],
            ],
        ];

        $valid = ['type' => 'component'];
        $this->assertTrue($this->validator->validate($valid, $schema));

        $invalid = ['type' => 'banana'];
        $this->assertFalse($this->validator->validate($invalid, $schema));
    }

    public function testNestedObjectValidation(): void
    {
        $schema = [
            'type' => 'object',
            'properties' => [
                'db' => [
                    'type' => 'object',
                    'properties' => [
                        'host' => ['type' => 'string'],
                        'port' => ['type' => 'integer'],
                    ],
                    'required' => ['host'],
                ],
            ],
        ];

        $valid = ['db' => ['host' => 'localhost', 'port' => 3306]];
        $this->assertTrue($this->validator->validate($valid, $schema));

        $invalid = ['db' => ['port' => 3306]];
        $this->assertFalse($this->validator->validate($invalid, $schema));
    }

    public function testUnknownPropertiesWarn(): void
    {
        $schema = [
            'type' => 'object',
            'properties' => [
                'name' => ['type' => 'string'],
            ],
        ];

        $config = ['name' => 'ok', 'extra' => 'unknown'];
        $this->assertTrue($this->validator->validate($config, $schema));
        $this->assertNotEmpty($this->validator->getWarnings());
    }

    public function testTypeMismatch(): void
    {
        $schema = [
            'type' => 'object',
            'properties' => [
                'count' => ['type' => 'integer'],
            ],
        ];

        $invalid = ['count' => 'not-a-number'];
        $this->assertFalse($this->validator->validate($invalid, $schema));
    }

    public function testStringMinLength(): void
    {
        $schema = [
            'type' => 'object',
            'properties' => [
                'name' => ['type' => 'string', 'minLength' => 3],
            ],
        ];

        $short = ['name' => 'ab'];
        $this->assertFalse($this->validator->validate($short, $schema));

        $ok = ['name' => 'abc'];
        $this->assertTrue($this->validator->validate($ok, $schema));
    }
}