<?php

defined( 'ABSPATH' ) or exit( 'No direct script access allowed' );

/**
 * WP-Parsidate general functions
 *
 * @author             Mobin Ghasempoor
 * @author             Morteza Geransayeh
 * @author             Ehsaan
 * @package            WP-Parsidate
 * @subpackage         Core/General
 */

/**
 * Change Locale WordPress Admin and Front-end user
 *
 * @param String $locale
 *
 * @return              String
 */
function wp_parsi_set_locale( $locale ) {
	global $locale;

	if ( wpp_is_active( 'admin_lang' ) ) {
		$admin_locale = "fa_IR";
	} else {
		$admin_locale = $locale;
	}

	if ( wpp_is_active( 'user_lang' ) ) {
		$user_locale = "fa_IR";
	} else {
		$user_locale = $locale;
	}

	$locale_s = is_admin() ? $admin_locale : $user_locale;

	if ( ! empty( $locale_s ) ) {
		$locale = $locale_s;
	}

	setlocale( LC_ALL, $locale );

	return $locale;
}

add_filter( 'locale', 'wp_parsi_set_locale', 0 );

/**
 * Change login header url in wp-login.php
 *
 * @return              string
 */
function wpp_login_headerurl() {
	return 'https://wp-parsi.com';
}

add_filter( 'login_headerurl', 'wpp_login_headerurl', 10, 2 );

/**
 * Notice for the activation.
 * Added dismiss feature.
 *
 * @return              void
 * @author              Ehsaan
 */
function wpp_activation_notice() {
	$dismissed = get_option( 'wpp_dismissed', false );

	if ( ! $dismissed && ( ! isset( $_GET['page'] ) || $_GET['page'] !== 'wp-parsi-settings' ) ) {
		if ( ! wpp_is_active( 'persian_date' ) ) {
			echo sprintf(
				__( '<div class="updated wpp-message"><p>ParsiDate activated, you may need to configure it to work properly. <a href="%s">Go to configuration page</a> &ndash; <a href="%s">Dismiss</a></p></div>', 'wp-parsidate' ),
				admin_url( 'admin.php?page=wp-parsi-settings' ),
				add_query_arg( 'wpp-action', 'dismiss-notice' )
			);
		}
	}
}

add_action( 'admin_notices', 'wpp_activation_notice' );

/**
 * Dismiss the notice action
 *
 * @return              void
 * @author              Ehsaan
 */
function wpp_dismiss_notice_action() {
	if ( isset( $_GET['wpp-action'] ) && $_GET['wpp-action'] == 'dismiss-notice' ) {
		update_option( 'wpp_dismissed', true );
	}
}

add_action( 'admin_init', 'wpp_dismiss_notice_action' );

/**
 * disable wp widget block that introduced in WordPress 5.8
 *
 * @since               4.0.0
 */
function wpp_disable_gutenberg_blocks_widget() {
	if ( wpp_is_active( 'disable_widget_block' ) ) {
		add_filter( 'gutenberg_use_widgets_block_editor', '__return_false' );
		add_filter( 'use_widgets_block_editor', '__return_false' );
	}
}

add_action( 'init', 'wpp_disable_gutenberg_blocks_widget' );

/**
 * Detects current page is feed or not
 *
 * @return              bool True when page is feed, false when page isn't feed
 * @since               1.0
 */
function wpp_is_feed() {
	global $wp_query;

	if ( ! isset( $wp_query ) ) {
		return false;
	}

	//if ( is_feed() ) { // Experimental change
	if ( $wp_query->is_feed() ) {
		return true;
	}

	$path = $_SERVER['REQUEST_URI'];
	$exts = array( 'xml', 'gz', 'xsl' );
	$ext  = pathinfo( $path, PATHINFO_EXTENSION );

	return in_array( $ext, $exts );
}

/**
 * Converts English digits to Persian digits
 *
 * @param string $number Numbers
 *
 * @return              string Formatted numbers
 */
function per_number( $number ) {
	return str_replace(
		range( 0, 9 ),
		array( '۰', '۱', '۲', '۳', '۴', '۵', '۶', '۷', '۸', '۹' ),
		$number
	);
}

/**
 * Converts Persian digits to English digits
 *
 * @param string $number Numbers
 *
 * @return              string Formatted numbers
 */
function eng_number( $number ) {
	return str_replace(
		array( '۰', '۱', '۲', '۳', '۴', '۵', '۶', '۷', '۸', '۹' ),
		range( 0, 9 ),
		$number
	);
}

/**
 * Converts English numbers to Persian numbers in post contents
 *
 * @param string $content Post content
 *
 * @return              string Formatted content
 */
function persian_number( $content ) {
	return isset( $content[1] ) ? per_number( $content[1] ) : $content[0];
}

/**
 * Fix numbers and convert them to Persian digits style
 *
 * @param string $content
 *
 * @return              array|string|string[]|null
 */
function fix_number( $content ) {
	return preg_replace_callback( '/(?:&#\d{2,4};)|(?:[0]?[a-z][\x20-\x3B=\x3F-\x7F]*)|(?<![>=<][\s*])(\b\d+\b)|<\s*[^>]+>/i', 'persian_number', $content );
	//return preg_replace_callback( '/(?:&#\d{2,4};)|(?:[0]?[a-z][\x20-\x3B=\x3F-\x7F]*)|(\d+[\d]*)|<\s*[^>]+>/i', 'persian_number', $content );
}

/**
 * Fix arabic foreign characters
 *
 * @param string $content
 *
 * @return              array|string|string[]
 */
function fix_arabic( $content ) {
	return str_replace(
		array( 'ي', 'ك', 'ة', '٠', '١', '٢', '٣', '٤', '٥', '٦', '٧', '٨', '٩' ),
		array( 'ی', 'ک', 'ه', '۰', '۱', '۲', '۳', '۴', '۵', '۶', '۷', '۸', '۹' ),
		$content,
	);
}

/**
 * parsidate_check_format()
 * checks format for iso definitions
 *
 * @param string $format
 *
 * @return              boolean
 */
function parsidate_check_format( $format ) {
	return in_array( $format, array(
		'Z', // Timezone offset in seconds // -43200 through 50400
		'T', // Timezone abbreviation // Examples: EST, MDT
		'O', // Difference to Greenwich time (GMT) in hours // Example: +0200
		'P', // Difference to Greenwich time (GMT) with colon between hours and minutes // Example: +02:00
		'U', // Seconds since the Unix Epoch (January 1, 1970 00:00:00 GMT)
		'u', // Microseconds // Example: 654321
		'e', // Timezone identifier // Examples: UTC, GMT, Atlantic/Azores
		'r', // RFC 2822 formatted date // Example: Thu, 21 Dec 2000 16:01:07 +0200
		'c', // ISO 8601 date // 2004-02-12T15:19:21+00:00 // 'Y-m-d\TH:i:s\Z'
		'G', // 24-hour format of an hour without leading zeros // 0 through 23
		'I', // Whether the date is in daylight saving time // 1 if Daylight Saving Time, 0 otherwise.

		// Commented this lines, because user/system want to convert these formats.
		/*'Y-m-d_H-i-s',
		'Y-m-d_G-i-s',
		'Y-m-d H:i:s',
		'Y-m-d G:i:s',
		'd-M-Y H:i',*/

		DATE_W3C, // eq `c`
		DATE_ATOM, // eq `c`
		DATE_RFC2822, // eq `r`
		'Y-m-d\TH:i:s+00:00', // eq `DATE_W3C` @SEE: http://jochenhebbrecht.be/site/node/761
		'Y-m-d\TH:i:sP',
	) );
}

/**
 * wpp_is_sitemap()
 * checks is WordPress sitemap
 *
 * @return boolean
 */
function wpp_is_sitemap() {
	return ( isset( $_SERVER['REQUEST_URI'] ) and strpos( $_SERVER['REQUEST_URI'], 'wp-sitemap' ) !== false );
}