<?php

namespace WizdomNetworks\WizeWeb\Utils;

/**
 * Validator Utility
 * 
 * Provides methods for validating user input.
 */
class Validator
{
    /**
     * Check if a value is not empty.
     * 
     * @param mixed $value The value to check.
     * @return bool True if the value is not empty, false otherwise.
     */
    public static function isRequired($value): bool
    {
        try {
            Logger::info("[DEBUG] Checking if value is required: $value");

            $isValid = !empty($value);

            if (!$isValid) {
                Logger::warning("[WARNING] Value is required but empty.");
            }

            return $isValid;
        } catch (\Throwable $e) {
            ErrorHandler::exception($e);
            return false;
        }
    }

    /**
     * Validate an email address.
     * 
     * @param string $email The email address to validate.
     * @return bool True if the email is valid, false otherwise.
     */
    public static function isEmail(string $email): bool
    {
        try {
            Logger::info("[DEBUG] Validating email address: $email");

            $isValid = filter_var($email, FILTER_VALIDATE_EMAIL) !== false;

            if (!$isValid) {
                Logger::warning("[WARNING] Invalid email address: $email");
            }

            return $isValid;
        } catch (\Throwable $e) {
            ErrorHandler::exception($e);
            return false;
        }
    }

    /**
     * Validate a URL.
     * 
     * @param string $url The URL to validate.
     * @return bool True if the URL is valid, false otherwise.
     */
    public static function isURL(string $url): bool
    {
        try {
            Logger::info("[DEBUG] Validating URL: $url");

            $isValid = filter_var($url, FILTER_VALIDATE_URL) !== false;

            if (!$isValid) {
                Logger::warning("[WARNING] Invalid URL: $url");
            }

            return $isValid;
        } catch (\Throwable $e) {
            ErrorHandler::exception($e);
            return false;
        }
    }

    /**
     * Check if a string matches a given regular expression.
     * 
     * @param string $string The string to validate.
     * @param string $pattern The regular expression to match.
     * @return bool True if the string matches the pattern, false otherwise.
     */
    public static function matchesRegex(string $string, string $pattern): bool
    {
        try {
            Logger::info("[DEBUG] Validating string against regex: Pattern=$pattern");

            $isValid = preg_match($pattern, $string) === 1;

            if (!$isValid) {
                Logger::warning("[WARNING] String does not match regex: $string");
            }

            return $isValid;
        } catch (\Throwable $e) {
            ErrorHandler::exception($e);
            return false;
        }
    }

    /**
     * Check if a string has a minimum length.
     * 
     * @param string $string The string to check.
     * @param int $minLength The minimum length.
     * @return bool True if the string meets the minimum length, false otherwise.
     */
    public static function hasMinLength(string $string, int $minLength): bool
    {
        try {
            Logger::info("[DEBUG] Checking if string has minimum length: $minLength");

            $isValid = strlen($string) >= $minLength;

            if (!$isValid) {
                Logger::warning("[WARNING] String is shorter than minimum length: $string");
            }

            return $isValid;
        } catch (\Throwable $e) {
            ErrorHandler::exception($e);
            return false;
        }
    }

    /**
     * Check if a string has a maximum length.
     * 
     * @param string $string The string to check.
     * @param int $maxLength The maximum length.
     * @return bool True if the string meets the maximum length, false otherwise.
     */
    public static function hasMaxLength(string $string, int $maxLength): bool
    {
        try {
            Logger::info("[DEBUG] Checking if string has maximum length: $maxLength");

            $isValid = strlen($string) <= $maxLength;

            if (!$isValid) {
                Logger::warning("[WARNING] String exceeds maximum length: $string");
            }

            return $isValid;
        } catch (\Throwable $e) {
            ErrorHandler::exception($e);
            return false;
        }
    }

    /**
     * Validate a string length.
     * 
     * @param string $input The string to validate.
     * @param int $min Minimum length.
     * @param int $max Maximum length.
     * @return bool True if the string length is valid, false otherwise.
     */
    public static function validateStringLength(string $input, int $min, int $max): bool
    {
        try {
            Logger::info("[DEBUG] Validating string length: Input='$input', Min=$min, Max=$max");

            $length = strlen($input);
            $isValid = $length >= $min && $length <= $max;

            if (!$isValid) {
                Logger::warning("[WARNING] Invalid string length: $length (Expected between $min and $max)");
            }

            return $isValid;
        } catch (\Throwable $e) {
            ErrorHandler::exception($e);
            return false;
        }
    }

    /**
     * Validate a boolean value.
     * 
     * @param mixed $input The input to validate as a boolean.
     * @return bool True if the input is a valid boolean, false otherwise.
     */
    public static function validateBoolean($input): bool
    {
        try {
            Logger::info("[DEBUG] Validating boolean input: $input");

            $isValid = is_bool(filter_var($input, FILTER_VALIDATE_BOOLEAN, FILTER_NULL_ON_FAILURE));

            if (!$isValid) {
                Logger::warning("[WARNING] Invalid boolean input: $input");
            }

            return $isValid;
        } catch (\Throwable $e) {
            ErrorHandler::exception($e);
            return false;
        }
    }

    /**
     * Validate a date format.
     * 
     * @param string $date The date string to validate.
     * @param string $format The expected date format (e.g., 'Y-m-d').
     * @return bool True if the date matches the format, false otherwise.
     */
    public static function validateDate(string $date, string $format = 'Y-m-d'): bool
    {
        try {
            Logger::info("[DEBUG] Validating date: $date with format: $format");

            $dateTime = \DateTime::createFromFormat($format, $date);
            $isValid = $dateTime && $dateTime->format($format) === $date;

            if (!$isValid) {
                Logger::warning("[WARNING] Invalid date: $date (Expected format: $format)");
            }

            return $isValid;
        } catch (\Throwable $e) {
            ErrorHandler::exception($e);
            return false;
        }
    }
}