<?php
use Carbon\Carbon;
use Nissi\Proxies\Text;
use Nissi\Proxies\Format;
use Nissi\Proxies\Number;
use Nissi\Proxies\Geography;

/*
|--------------------------------------------------------------------------
| App-specific Helpers
|--------------------------------------------------------------------------
 */

function site_name()
{
    return Config::get('project.name');
}

function from_address()
{
    return Config::get('project.from_address');
}

function from_name()
{
    return Config::get('project.from_name');
}

function recipient_address()
{
    return Config::get('project.recipient_address');
}

function recipient_name()
{
    return Config::get('project.recipient_name');
}

function contact_phone($format = null)
{
    return format_phone(Config::get('contact.phone'), $format);
}

function contact_fax()
{
    return format_phone(Config::get('contact.fax'));
}

function contact_address()
{
    return new \Nissi\ValueObjects\PostalAddress(Config::get('contact'));
}

function contact_email()
{
    return \Html::mailto(Config::get('contact.email'));
}

function page_title($title = '', $separator = null, $position = 'left')
{
    if ( ! $separator) {
        $separator = Config::get('project.title_separator', ' | ');
    }

    if ( ! $title) {
        $separator = '';
    }

    if ($position == 'right') {
        return site_name() . $separator . $title;
    }

    return $title . $separator . site_name();
}

/*
|--------------------------------------------------------------------------
| Debugging Helpers
|--------------------------------------------------------------------------
 */

/*
 * `print_r` inside a `pre` tag.
 */
function pr($var, $exit = false)
{
    echo '<pre>';
    print_r($var);
    echo '</pre>' . PHP_EOL;

    if ($exit) {
        exit;
    }
}

/*
 * `var_dump` inside a `pre` tag.
 */
function vd($var, $exit = true)
{
    echo '<pre>';
    var_dump($var);
    echo "</pre>\n";

    if ($exit) {
        exit;
    }
}

/*
 * Return HTML from a Markdown string using Parsedown library.
 */
function parsedown($text)
{
    return (new Parsedown)->text($text);
}

/*
|--------------------------------------------------------------------------
| URL Helpers
|--------------------------------------------------------------------------
 */

/*
 * Generate a mailto: link to the given address
 */
function mailto($email, $title = null, $attributes = [])
{
    return \Html::mailto($email, $title, $attributes);
}

/*
|--------------------------------------------------------------------------
| Date/Time Helpers
|--------------------------------------------------------------------------
 */

/*
 * Returns a Carbon instance (or formatted string) on success,
 * Returns null on failure (i.e. invalid date)
 */
function make_date($datestring, $format = null)
{
    try {
        // No date string provided. Return null.
        if (empty($datestring)) {
            return;
        }

        // Invalid date. Return null.
        if ( ! $dt = Carbon::parse($datestring)) {
            return;
        }

        // Date out of range. Return null.
        if ($dt < Carbon::minValue() || $dt > Carbon::maxValue()) {
            return;
        }

        // Return a formatted string.
        if ($format) {
            return $dt->format($format);
        }

        // Return Carbon instance
        return $dt;
    } catch (\Exception $e) {
        return;
    }
}

/*
|--------------------------------------------------------------------------
| Data Formatters
|--------------------------------------------------------------------------
 */

/*
 * Format a phone number according to preferences.
 */
function format_phone($phone, $format = null, array $options = [])
{
    return Format::phone($phone, $format, $options);
}

/*
 * Format a URL
 */
function format_url($url, array $options = [])
{
    return Format::url($url, $options);
}

/*
 * Format a number as currency: 1234.00
 */
function currency($amount, $options = [])
{
    return Number::currency($amount, $options);
}

/*
 * Truncate a string to a given length
 */
function truncate($string, $length = 20, $options = [])
{
    return Text::truncate($string, $length, $options);
}

/*
 * Make a "safe" slug by guarding against duplicates
 */
function make_slug($string, $table = 'posts', $column = 'slug')
{
    $slug = str_slug($string);

    $count = DB::table($table)->whereRaw("{$column} RLIKE '^{$slug}(-[0-9]+)?$'")->count();

    return $count ? sprintf('%s-%s', $slug, $count + 1) : $slug;
}

/*
|--------------------------------------------------------------------------
| Array Helpers
|--------------------------------------------------------------------------
 */

/*
 * Makes array keys the same as the values. Useful for select elements.
 */
function array_reflect($arr = [])
{
    return array_combine(array_values($arr), array_values($arr));
}

/*
|--------------------------------------------------------------------------
| Menu Helpers
|--------------------------------------------------------------------------
 */

/**
 * Determine if a given menu item is "active" based on URL.
 *
 * @return string
 */
function set_active($pathName, $className = 'active')
{
    return call_user_func_array('Request::is', (array) $pathName) ? $className : '';
}

/**
 * Determine if a given menu item is active based on named route.
 *
 * @return string
 */
function set_active_route($routeName, $className = 'active')
{
    if ( ! Request::route()) {
        return;
    }

    return (Request::route()->getName() == $routeName) ? $className : '';
}

/*
|--------------------------------------------------------------------------
| Form Helpers
|--------------------------------------------------------------------------
 */

/*
 * Array of US states in $abbrev => $name format.
 */
function us_states()
{
    return Geography::usStates();
}