<?php

/*
 * This file is part of the Symfony package.
 *
 * (c) Fabien Potencier <fabien@symfony.com>
 *
 * For the full copyright and license information, please view the LICENSE
 * file that was distributed with this source code.
 */

namespace Symfony\Component\Config\Tests\Definition;

use PHPUnit\Framework\TestCase;
use Symfony\Component\Config\Definition\ArrayNode;
use Symfony\Component\Config\Definition\Exception\InvalidConfigurationException;
use Symfony\Component\Config\Definition\Exception\InvalidTypeException;
use Symfony\Component\Config\Definition\ScalarNode;

class ScalarNodeTest extends TestCase
{
    /**
     * @dataProvider getValidValues
     */
    public function testNormalize($value)
    {
        $node = new ScalarNode('test');
        $this->assertSame($value, $node->normalize($value));
    }

    public static function getValidValues(): array
    {
        return [
            [false],
            [true],
            [null],
            [''],
            ['foo'],
            [0],
            [1],
            [0.0],
            [0.1],
        ];
    }

    public function testSetDeprecated()
    {
        $childNode = new ScalarNode('foo');
        $childNode->setDeprecated('vendor/package', '1.1', '"%node%" is deprecated');

        $this->assertTrue($childNode->isDeprecated());
        $deprecation = $childNode->getDeprecation($childNode->getName(), $childNode->getPath());
        $this->assertSame('"foo" is deprecated', $deprecation['message']);
        $this->assertSame('vendor/package', $deprecation['package']);
        $this->assertSame('1.1', $deprecation['version']);

        $node = new ArrayNode('root');
        $node->addChild($childNode);

        $deprecationTriggered = 0;
        $deprecationHandler = function ($level, $message, $file, $line) use (&$prevErrorHandler, &$deprecationTriggered) {
            if (\E_USER_DEPRECATED === $level) {
                return ++$deprecationTriggered;
            }

            return $prevErrorHandler ? $prevErrorHandler($level, $message, $file, $line) : false;
        };

        $prevErrorHandler = set_error_handler($deprecationHandler);
        try {
            $node->finalize([]);
        } finally {
            restore_error_handler();
        }
        $this->assertSame(0, $deprecationTriggered, '->finalize() should not trigger if the deprecated node is not set');

        $prevErrorHandler = set_error_handler($deprecationHandler);
        try {
            $node->finalize(['foo' => '']);
        } finally {
            restore_error_handler();
        }
        $this->assertSame(1, $deprecationTriggered, '->finalize() should trigger if the deprecated node is set');
    }

    /**
     * @dataProvider getInvalidValues
     */
    public function testNormalizeThrowsExceptionOnInvalidValues($value)
    {
        $this->expectException(InvalidTypeException::class);
        $node = new ScalarNode('test');
        $node->normalize($value);
    }

    public static function getInvalidValues(): array
    {
        return [
            [[]],
            [['foo' => 'bar']],
            [new \stdClass()],
        ];
    }

    public function testNormalizeThrowsExceptionWithoutHint()
    {
        $node = new ScalarNode('test');

        $this->expectException(InvalidTypeException::class);
        $this->expectExceptionMessage('Invalid type for path "test". Expected "scalar", but got "array".');

        $node->normalize([]);
    }

    public function testNormalizeThrowsExceptionWithErrorMessage()
    {
        $node = new ScalarNode('test');
        $node->setInfo('"the test value"');

        $this->expectException(InvalidTypeException::class);
        $this->expectExceptionMessage("Invalid type for path \"test\". Expected \"scalar\", but got \"array\".\nHint: \"the test value\"");

        $node->normalize([]);
    }

    /**
     * @dataProvider getValidNonEmptyValues
     *
     * @param mixed $value
     */
    public function testValidNonEmptyValues($value)
    {
        $node = new ScalarNode('test');
        $node->setAllowEmptyValue(false);

        $this->assertSame($value, $node->finalize($value));
    }

    public static function getValidNonEmptyValues(): array
    {
        return [
            [false],
            [true],
            ['foo'],
            [0],
            [1],
            [0.0],
            [0.1],
        ];
    }

    /**
     * @dataProvider getEmptyValues
     *
     * @param mixed $value
     */
    public function testNotAllowedEmptyValuesThrowException($value)
    {
        $this->expectException(InvalidConfigurationException::class);
        $node = new ScalarNode('test');
        $node->setAllowEmptyValue(false);
        $node->finalize($value);
    }

    public static function getEmptyValues(): array
    {
        return [
            [null],
            [''],
        ];
    }
}
