<?php
/**
 * "Texts" tab: change any text customers see (checkout, messages, emails, My Account)
 * without code and without translation files. Empty = the normal (translated) text.
 */

defined( 'ABSPATH' ) || exit;

/**
 * Customer-facing texts: array( group => array( array( domain, original ) ) ).
 */
function dayslot_customer_texts() {
	$d = 'dayslot';
	return apply_filters(
		'dayslot_customer_texts',
		array(
			__( 'Picker', 'dayslot' )               => array(
				array( $d, '— choose time —' ),
				array( $d, 'Choose time' ),
				array( $d, 'Choose a date first' ),
				array( $d, 'Loading…' ),
				array( $d, 'No free times on this day. Please choose another date.' ),
				array( $d, 'full' ),
				array( $d, 'left: %d' ),
				array( $d, 'Higher price on this day' ),
				array( $d, 'not available' ),
				array( $d, 'selected' ),
				array( $d, 'Previous month' ),
				array( $d, 'Next month' ),
				array( $d, 'Please enable JavaScript to choose the delivery date.' ),
			),
			__( 'Prices and day types', 'dayslot' ) => array(
				array( $d, 'Mon–Sat' ),
				array( $d, 'Sunday' ),
				array( $d, 'Holiday' ),
				array( $d, 'Delivery price' ),
				array( $d, 'Price' ),
				array( $d, '%s (price after choosing the date and time)' ),
				array( $d, '%s (night)' ),
			),
			__( 'Messages', 'dayslot' )             => array(
				array( $d, 'Please choose how you want to receive the order.' ),
				array( $d, 'The delivery price has been updated for your choice. Please check the total and place the order again.' ),
			),
			__( 'Emails', 'dayslot' )               => array(
				array( $d, 'Your delivery date has changed' ),
				array( $d, '[%1$s] New delivery date for order #%2$s' ),
				array( $d, 'Hi %s,' ),
				array( $d, 'The delivery date for your order #%s has been changed:' ),
				array( $d, 'If this doesn\'t suit you, just reply to this email.' ),
			),
		)
	);
}

function dayslot_text_key( $domain, $text ) {
	return md5( $domain . '|' . $text );
}

/**
 * Apply the shop's own texts.
 */
function dayslot_text_override( $translation, $text, $domain ) {
	static $texts = null;
	if ( null === $texts ) {
		$texts = get_option( 'dayslot_texts', array() );
		$texts = is_array( $texts ) ? $texts : array();
	}
	if ( ! $texts ) {
		return $translation;
	}
	$key = dayslot_text_key( $domain, $text );
	if ( ! isset( $texts[ $key ] ) || '' === $texts[ $key ] ) {
		return $translation;
	}
	// Multilingual shops: the own text can follow the page language (includes/multilingual.php).
	return (string) apply_filters( 'dayslot_text_override', $texts[ $key ], $text, $translation );
}

if ( get_option( 'dayslot_texts' ) ) {
	foreach ( array( 'dayslot', 'dayslot' ) as $dayslot_domain ) {
		add_filter( 'gettext_' . $dayslot_domain, 'dayslot_text_override', 10, 3 );
	}
	unset( $dayslot_domain );
}

add_filter(
	'dayslot_settings_tabs',
	function ( $tabs ) {
		$tabs['texts'] = array(
			'title'    => __( 'Texts', 'dayslot' ),
			'render'   => 'dayslot_render_texts_tab',
			'sanitize' => function ( $input, $out ) {
				$clean = array();
				$valid = array();
				foreach ( dayslot_customer_texts() as $list ) {
					foreach ( $list as $item ) {
						$valid[ dayslot_text_key( $item[0], $item[1] ) ] = true;
					}
				}
				foreach ( isset( $input['texts'] ) ? (array) $input['texts'] : array() as $key => $value ) {
					$value = sanitize_text_field( $value );
					if ( isset( $valid[ $key ] ) && '' !== $value ) {
						$clean[ $key ] = $value;
					}
				}
				update_option( 'dayslot_texts', $clean, true );
				$language = isset( $input['language'] ) ? sanitize_text_field( $input['language'] ) : '';
				if ( isset( dayslot_languages()[ $language ] ) ) {
					$out['language'] = $language;
				} else {
					unset( $out['language'] );
				}
				return $out;
			},
		);
		return $tabs;
	},
	50
);

function dayslot_render_texts_tab( $s ) {
	$saved = get_option( 'dayslot_texts', array() );
	$saved = is_array( $saved ) ? $saved : array();
	// Show the originals, not our overrides.
	remove_filter( 'gettext_dayslot', 'dayslot_text_override', 10 );
	remove_filter( 'gettext_dayslot', 'dayslot_text_override', 10 );
	$language  = isset( $s['language'] ) ? $s['language'] : '';
	$wp_locale = dayslot_closest_locale( determine_locale() );
	$wp_name   = isset( dayslot_languages()[ $wp_locale ] ) ? dayslot_languages()[ $wp_locale ] : 'English';
	?>
	<h2><?php esc_html_e( 'Language', 'dayslot' ); ?></h2>
	<p>
		<label for="dayslot_language"><?php esc_html_e( 'Language of the plugin (checkout, emails, settings)', 'dayslot' ); ?></label><br>
		<select id="dayslot_language" name="dayslot_settings[language]">
			<?php /* translators: %s: language name, e.g. Polski */ ?>
			<option value=""><?php echo esc_html( sprintf( __( 'Automatic — like WordPress (%s)', 'dayslot' ), $wp_name ) ); ?></option>
			<?php foreach ( dayslot_languages() as $code => $name ) : ?>
				<option value="<?php echo esc_attr( $code ); ?>" <?php selected( $language, $code ); ?>><?php echo esc_html( $name ); ?></option>
			<?php endforeach; ?>
		</select>
	</p>
	<p class="description"><?php esc_html_e( 'By default the plugin speaks the language of your WordPress. Choose a language here only if you want a different one. Any single text can still be changed below.', 'dayslot' ); ?></p>
	<p><?php esc_html_e( 'Change any text your customers see. Leave a field empty to keep the standard text. Keep the placeholders that start with a percent sign — they are replaced with dates, numbers and names.', 'dayslot' ); ?></p>
	<p><?php esc_html_e( 'Step titles, button names and error messages of the checkout are on the "Checkout" tab; names of delivery options on "Delivery options & prices".', 'dayslot' ); ?></p>
	<?php foreach ( dayslot_customer_texts() as $group => $list ) : ?>
		<h2><?php echo esc_html( $group ); ?></h2>
		<table class="widefat striped" style="max-width:1000px">
			<thead><tr><th style="width:45%"><?php esc_html_e( 'Standard text', 'dayslot' ); ?></th><th><?php esc_html_e( 'Your text', 'dayslot' ); ?></th></tr></thead>
			<tbody>
				<?php foreach ( $list as $item ) : ?>
					<?php
					$key     = dayslot_text_key( $item[0], $item[1] );
					$current = get_translations_for_domain( $item[0] )->translate( $item[1] );
					?>
					<tr>
						<td><label for="dayslot_text_<?php echo esc_attr( $key ); ?>"><?php echo esc_html( $current ); ?></label></td>
						<td><input type="text" class="large-text" id="dayslot_text_<?php echo esc_attr( $key ); ?>" name="dayslot_settings[texts][<?php echo esc_attr( $key ); ?>]" value="<?php echo esc_attr( isset( $saved[ $key ] ) ? $saved[ $key ] : '' ); ?>" placeholder="<?php echo esc_attr( $current ); ?>"></td>
					</tr>
				<?php endforeach; ?>
			</tbody>
		</table>
	<?php endforeach; ?>
	<?php
}