<?php

/**
 * This file is part of the Nette Framework (https://nette.org)
 * Copyright (c) 2004 David Grudl (https://davidgrudl.com)
 */

declare(strict_types=1);

namespace Nette\Schema;

use Nette;


final class Message
{
    /** variables: {value: mixed, expected: string} */
    public const TypeMismatch = 'schema.typeMismatch';

    /** variables: {value: mixed, expected: string} */
    public const ValueOutOfRange = 'schema.valueOutOfRange';

    /** variables: {value: mixed, length: int, expected: string} */
    public const LengthOutOfRange = 'schema.lengthOutOfRange';

    /** variables: {value: string, pattern: string} */
    public const PatternMismatch = 'schema.patternMismatch';

    /** variables: {value: mixed, assertion: string} */
    public const FailedAssertion = 'schema.failedAssertion';

    /** no variables */
    public const MissingItem = 'schema.missingItem';

    /** variables: {hint: string} */
    public const UnexpectedItem = 'schema.unexpectedItem';

    /** no variables */
    public const Deprecated = 'schema.deprecated';

    /** @deprecated use Message::TypeMismatch */
    public const TYPE_MISMATCH = self::TypeMismatch;

    /** @deprecated use Message::ValueOutOfRange */
    public const VALUE_OUT_OF_RANGE = self::ValueOutOfRange;

    /** @deprecated use Message::LengthOutOfRange */
    public const LENGTH_OUT_OF_RANGE = self::LengthOutOfRange;

    /** @deprecated use Message::PatternMismatch */
    public const PATTERN_MISMATCH = self::PatternMismatch;

    /** @deprecated use Message::FailedAssertion */
    public const FAILED_ASSERTION = self::FailedAssertion;

    /** @deprecated use Message::MissingItem */
    public const MISSING_ITEM = self::MissingItem;

    /** @deprecated use Message::UnexpectedItem */
    public const UNEXPECTED_ITEM = self::UnexpectedItem;

    /** @deprecated use Message::Deprecated */
    public const DEPRECATED = self::Deprecated;

    public string $message;
    public string $code;

    /** @var string[] */
    public array $path;

    /** @var string[] */
    public array $variables;


    public function __construct(string $message, string $code, array $path, array $variables = [])
    {
        $this->message = $message;
        $this->code = $code;
        $this->path = $path;
        $this->variables = $variables;
    }


    public function toString(): string
    {
        $vars = $this->variables;
        $vars['label'] = empty($vars['isKey']) ? 'item' : 'key of item';
        $vars['path'] = $this->path
            ? "'" . implode("\u{a0}›\u{a0}", $this->path) . "'"
            : null;
        $vars['value'] = Helpers::formatValue($vars['value'] ?? null);

        return preg_replace_callback('~( ?)%(\w+)%~', function ($m) use ($vars) {
            [, $space, $key] = $m;
            return $vars[$key] === null ? '' : $space . $vars[$key];
        }, $this->message) ?? throw new Nette\InvalidStateException(preg_last_error_msg());
    }
}

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