<?php

use GrahamCampbell\Markdown\Facades\Markdown;
use Illuminate\Support\Str;

if (! function_exists('is_valid_url')) {
    function is_valid_url($url)
    {
        // Check if the URL is a valid full URL
        if (filter_var($url, FILTER_VALIDATE_URL)) {
            return true;
        }

        // Check if it's a valid relative URL
        // Modify this regex as needed for your specific URL formats
        if (preg_match('/^\/[\w\/_.-]+(\.[\w]+)?$/i', $url)) {
            return true;
        }

        return false;
    }
}

if (! function_exists('epoch_now_timestamp')) {
    function epoch_now_timestamp()
    {
        return (int) round(microtime(true) * 1000);
    }
}

if (! function_exists('read_duration')) {
    function read_duration($text)
    {
        return Str::readDuration($text);
    }
}

if (! function_exists('remove_newline')) {

    function remove_newline($string)
    {
        return preg_replace('/\s+/', ' ', trim($string));
    }
}

if (! function_exists('plain_text')) {
    function plain_text($content)
    {
        return trim(preg_replace('/\s\s+/', ' ', strip_tags($content)));
    }
}

if (! function_exists('markdown_to_plaintext')) {
    function markdown_to_plaintext($markdown)
    {
        // Headers
        $markdown = preg_replace('/^#.*$/m', '', $markdown);
        // Links and images
        $markdown = preg_replace('/\[(.*?)\]\(.*?\)/', '$1', $markdown);
        // Bold and italic
        $markdown = str_replace(['**', '__', '*', '_'], '', $markdown);
        // Ordered and unordered lists
        $markdown = preg_replace('/^[-\*].*$/m', '', $markdown);
        // Horizontal line
        $markdown = str_replace(['---', '***', '- - -', '* * *'], '', $markdown);
        // Inline code and code blocks
        $markdown = preg_replace('/`.*?`/', '', $markdown);
        $markdown = preg_replace('/```[\s\S]*?```/', '', $markdown);
        // Blockquotes
        $markdown = preg_replace('/^>.*$/m', '', $markdown);

        // Remove multiple spaces, leading and trailing spaces
        $plaintext = trim(preg_replace('/\s+/', ' ', $markdown));

        return $plaintext;
    }
}

if (! function_exists('markdown_min_read')) {
    function markdown_min_read($markdown)
    {
        return read_duration(plain_text(Markdown::convert($markdown)->getContent()));
    }
}

if (! function_exists('unslug')) {
    function unslug($slug, $delimiter = '-')
    {
        return ucwords(str_replace($delimiter, ' ', $slug));
    }
}

if (! function_exists('str_slug')) {
    function str_slug($string, $delimiter = '-')
    {
        return Str::of(trim($string))->slug($delimiter);
    }
}

if (! function_exists('str_first_sentence')) {
    function str_first_sentence($str)
    {
        // Split the string at ., !, or ? but include these characters in the match
        $sentences = preg_split('/([.!?])\s/', $str, 2, PREG_SPLIT_DELIM_CAPTURE);

        // Check if we have captured the first sentence and its punctuation
        if (isset($sentences[0]) && isset($sentences[1])) {
            return trim($sentences[0].$sentences[1]);
        }

        // If no sentence ending found, return the whole string
        return $str;
    }

}

if (! function_exists('is_empty')) {
    /**
     * A better function to check if a value is empty or null. Strings, arrays, and Objects are supported.
     *
     * @param  mixed  $value
     */
    function is_empty($value): bool
    {
        if (is_null($value)) {
            return true;
        }

        if (is_string($value)) {
            if ($value === '') {
                return true;
            }
        }

        if (is_array($value)) {
            if (count($value) === 0) {
                return true;
            }
        }

        if (is_object($value)) {
            $value = (array) $value;

            if (count($value) === 0) {
                return true;
            }
        }

        return false;
    }
}

if (! function_exists('get_country_name_by_iso')) {
    function get_country_name_by_iso($country_iso)
    {
        if (! is_empty($country_iso)) {

            $country_iso = strtoupper($country_iso);

            try {
                return config("platform.country_codes.{$country_iso}")['name'];
            } catch (\Exception $e) {
            }

        }

        return 'International';
    }
}

if (! function_exists('get_country_emoji_by_iso')) {
    function get_country_emoji_by_iso($country_iso)
    {
        if (! is_empty($country_iso)) {

            $country_iso = strtoupper($country_iso);

            try {
                return config("platform.country_codes.{$country_iso}")['emoji'];
            } catch (\Exception $e) {
            }

        }

        return '🌎';
    }
}

if (! function_exists('str_random')) {
    function str_random($length = 10)
    {
        return Str::random($length);
    }
}