<?php
/**
* Customize API: WP_Customize_Date_Time_Control class
*
* @package WordPress
* @subpackage Customize
* @since 4.9.0
*/

/**
* Customize Date Time Control class.
*
* @since 4.9.0
*
* @see WP_Customize_Control
*/
class WP_Customize_Date_Time_Control extends WP_Customize_Control {

/**
* Customize control type.
*
* @since 4.9.0
* @var string
*/
public $type = 'date_time';

/**
* Minimum Year.
*
* @since 4.9.0
* @var int
*/
public $min_year = 1000;

/**
* Maximum Year.
*
* @since 4.9.0
* @var int
*/
public $max_year = 9999;

/**
* Allow past date, if set to false user can only select future date.
*
* @since 4.9.0
* @var bool
*/
public $allow_past_date = true;

/**
* Whether hours, minutes, and meridian should be shown.
*
* @since 4.9.0
* @var bool
*/
public $include_time = true;

/**
* If set to false the control will appear in 24 hour format,
* the value will still be saved in Y-m-d H:i:s format.
*
* @since 4.9.0
* @var bool
*/
public $twelve_hour_format = true;

/**
* Don't render the control's content - it's rendered with a JS template.
*
* @since 4.9.0
*/
public function render_content() {}

/**
* Export data to JS.
*
* @since 4.9.0
* @return array
*/
public function json() {
$data = parent::json();

$data['maxYear'] = (int) $this->max_year;
$data['minYear'] = (int) $this->min_year;
$data['allowPastDate'] = (bool) $this->allow_past_date;
$data['twelveHourFormat'] = (bool) $this->twelve_hour_format;
$data['includeTime'] = (bool) $this->include_time;

return $data;
}

/**
* Renders a JS template for the content of date time control.
*
* @since 4.9.0
*/
public function content_template() {
$data = array_merge( $this->json(), $this->get_month_choices() );
$timezone_info = $this->get_timezone_info();

$date_format = get_option( 'date_format' );
$date_format = preg_replace( '/(?<!\\\\)[Yyo]/', '%1$s', $date_format );
$date_format = preg_replace( '/(?<!\\\\)[FmMn]/', '%2$s', $date_format );
$date_format = preg_replace( '/(?<!\\\\)[jd]/', '%3$s', $date_format );

// Fallback to ISO date format if year, month, or day are missing from the date format.
if ( 1 !== substr_count( $date_format, '%1$s' ) || 1 !== substr_count( $date_format, '%2$s' ) || 1 !== substr_count( $date_format, '%3$s' ) ) {
$date_format = '%1$s-%2$s-%3$s';
}
?>

<# _.defaults( data, <?php echo wp_json_encode( $data ); ?> ); #>
<# var idPrefix = _.uniqueId( 'el' ) + '-'; #>

<# if ( data.label ) { #>
<span class="customize-control-title">
{{ data.label }}
</span>
<# } #>
<div class="customize-control-notifications-container"></div>
<# if ( data.description ) { #>
<span class="description customize-control-description">{{ data.description }}</span>
<# } #>
<div class="date-time-fields {{ data.includeTime ? 'includes-time' : '' }}">
<fieldset class="day-row">
<legend class="title-day {{ ! data.includeTime ? 'screen-reader-text' : '' }}"><?php esc_html_e( 'Date' ); ?></legend>
<div class="day-fields clear">
<?php ob_start(); ?>
<label for="{{ idPrefix }}date-time-month" class="screen-reader-text">
<?php
/* translators: Hidden accessibility text. */
esc_html_e( 'Month' );
?>
</label>
<select id="{{ idPrefix }}date-time-month" class="date-input month" data-component="month">
<# _.each( data.month_choices, function( choice ) {
if ( _.isObject( choice ) && ! _.isUndefined( choice.text ) && ! _.isUndefined( choice.value ) ) {
text = choice.text;
value = choice.value;
}
#>
<option value="{{ value }}" >
{{ text }}
</option>
<# } ); #>
</select>
<?php $month_field = trim( ob_get_clean() ); ?>

<?php ob_start(); ?>
<label for="{{ idPrefix }}date-time-day" class="screen-reader-text">
<?php
/* translators: Hidden accessibility text. */
esc_html_e( 'Day' );
?>
</label>
<input id="{{ idPrefix }}date-time-day" type="number" size="2" autocomplete="off" class="date-input day" data-component="day" min="1" max="31" />
<?php $day_field = trim( ob_get_clean() ); ?>

<?php ob_start(); ?>
<label for="{{ idPrefix }}date-time-year" class="screen-reader-text">
<?php
/* translators: Hidden accessibility text. */
esc_html_e( 'Year' );
?>
</label>
<input id="{{ idPrefix }}date-time-year" type="number" size="4" autocomplete="off" class="date-input year" data-component="year" min="{{ data.minYear }}" max="{{ data.maxYear }}">
<?php $year_field = trim( ob_get_clean() ); ?>

<?php printf( $date_format, $year_field, $month_field, $day_field ); ?>
</div>
</fieldset>
<# if ( data.includeTime ) { #>
<fieldset class="time-row clear">
<legend class="title-time"><?php esc_html_e( 'Time' ); ?></legend>
<div class="time-fields clear">
<label for="{{ idPrefix }}date-time-hour" class="screen-reader-text">
<?php
/* translators: Hidden accessibility text. */
esc_html_e( 'Hour' );
?>
</label>
<# var maxHour = data.twelveHourFormat ? 12 : 23; #>
<# var minHour = data.twelveHourFormat ? 1 : 0; #>
<input id="{{ idPrefix }}date-time-hour" type="number" size="2" autocomplete="off" class="date-input hour" data-component="hour" min="{{ minHour }}" max="{{ maxHour }}">
:
<label for="{{ idPrefix }}date-time-minute" class="screen-reader-text">
<?php
/* translators: Hidden accessibility text. */
esc_html_e( 'Minute' );
?>
</label>
<input id="{{ idPrefix }}date-time-minute" type="number" size="2" autocomplete="off" class="date-input minute" data-component="minute" min="0" max="59">
<# if ( data.twelveHourFormat ) { #>
<label for="{{ idPrefix }}date-time-meridian" class="screen-reader-text">
<?php
/* translators: Hidden accessibility text. */
esc_html_e( 'Meridian' );
?>
</label>
<select id="{{ idPrefix }}date-time-meridian" class="date-input meridian" data-component="meridian">
<option value="am"><?php esc_html_e( 'AM' ); ?></option>
<option value="pm"><?php esc_html_e( 'PM' ); ?></option>
</select>
<# } #>
<p><?php echo $timezone_info['description']; ?></p>
</div>
</fieldset>
<# } #>
</div>
<?php
}

/**
* Generate options for the month Select.
*
* Based on touch_time().
*
* @since 4.9.0
*
* @see touch_time()
*
* @global WP_Locale $wp_locale WordPress date and time locale object.
*
* @return array
*/
public function get_month_choices() {
global $wp_locale;
$months = array();
for ( $i = 1; $i < 13; $i++ ) {
$month_text = $wp_locale->get_month_abbrev( $wp_locale->get_month( $i ) );

/* translators: 1: Month number (01, 02, etc.), 2: Month abbreviation. */
$months[ $i ]['text'] = sprintf( __( '%1$s-%2$s' ), $i, $month_text );
$months[ $i ]['value'] = $i;
}
return array(
'month_choices' => $months,
);
}

/**
* Get timezone info.
*
* @since 4.9.0
*
* @return array {
* Timezone info. All properties are optional.
*
* @type string $abbr Timezone abbreviation. Examples: PST or CEST.
* @type string $description Human-readable timezone description as HTML.
* }
*/
public function get_timezone_info() {
$tz_string = get_option( 'timezone_string' );
$timezone_info = array();

if ( $tz_string ) {
try {
$tz = new DateTimeZone( $tz_string );
} catch ( Exception $e ) {
$tz = '';
}

if ( $tz ) {
$now = new DateTime( 'now', $tz );
$formatted_gmt_offset = $this->format_gmt_offset( $tz->getOffset( $now ) / HOUR_IN_SECONDS );
$tz_name = str_replace( '_', ' ', $tz->getName() );
$timezone_info['abbr'] = $now->format( 'T' );

$timezone_info['description'] = sprintf(
/* translators: 1: Timezone name, 2: Timezone abbreviation, 3: UTC abbreviation and offset, 4: UTC offset. */
__( 'Your timezone is set to %1$s (%2$s), currently %3$s (Coordinated Universal Time %4$s).' ),
$tz_name,
'<abbr>' . $timezone_info['abbr'] . '</abbr>',
'<abbr>UTC</abbr>' . $formatted_gmt_offset,
$formatted_gmt_offset
);
} else {
$timezone_info['description'] = '';
}
} else {
$formatted_gmt_offset = $this->format_gmt_offset( (int) get_option( 'gmt_offset', 0 ) );

$timezone_info['description'] = sprintf(
/* translators: 1: UTC abbreviation and offset, 2: UTC offset. */
__( 'Your timezone is set to %1$s (Coordinated Universal Time %2$s).' ),
'<abbr>UTC</abbr>' . $formatted_gmt_offset,
$formatted_gmt_offset
);
}

return $timezone_info;
}

/**
* Format GMT Offset.
*
* @since 4.9.0
*
* @see wp_timezone_choice()
*
* @param float $offset Offset in hours.
* @return string Formatted offset.
*/
public function format_gmt_offset( $offset ) {
if ( 0 <= $offset ) {
$formatted_offset = '+' . (string) $offset;
} else {
$formatted_offset = (string) $offset;
}
$formatted_offset = str_replace(
array( '.25', '.5', '.75' ),
array( ':15', ':30', ':45' ),
$formatted_offset
);
return $formatted_offset;
}
}