<?php
/*
 *   Display the configuration options for AtD
 */

/*
 *   A convienence function to display the HTML for an AtD option
 */
function AtD_print_option( $name, $value, $options ) {
	// Attribute-safe version of $name
	$attr_name = sanitize_title( $name ); // Using sanitize_title since there's no comparable function for attributes
?>
   <input type="checkbox" id="atd_<?php echo esc_attr( $attr_name ); ?>" name="<?php echo esc_attr( $options['name'] ); ?>[<?php echo esc_attr( $name ); ?>]" value="1" <?php checked( '1', isset( $options[ $name ] ) ? $options[ $name ] : false ); ?>> <label for="atd_<?php echo esc_attr( $attr_name ); ?>"><?php echo esc_html( $value ); ?></label>
<?php
}

/*
 *  Save AtD options
 */
function AtD_process_options_update() {

	$user = wp_get_current_user();

	if ( ! $user || $user->ID == 0 ) {
		return;
	}

	AtD_update_options( $user->ID, 'AtD_options' );
	AtD_update_options( $user->ID, 'AtD_check_when' );
	AtD_update_options( $user->ID, 'AtD_guess_lang' );
}

/*
 *  Display the various AtD options
 */
function AtD_display_options_form() {

	/* grab our user and validate their existence */
	$user = wp_get_current_user();
	if ( ! $user || $user->ID == 0 ) {
		return;
	}

	$options_show_types = AtD_get_options( $user->ID, 'AtD_options' );
	$options_check_when = AtD_get_options( $user->ID, 'AtD_check_when' );
	$options_guess_lang = AtD_get_options( $user->ID, 'AtD_guess_lang' );
?>
   <table class="form-table">
	  <tr valign="top">
		 <th scope="row"> <a id="atd"></a> <?php _e( 'Proofreading', 'jetpack' ); ?></th>
		 <td>
   <p><?php _e( 'Automatically proofread content when:', 'jetpack' ); ?>

   <p>
	<?php
		AtD_print_option( 'onpublish', __( 'a post or page is first published', 'jetpack' ), $options_check_when );
		echo '<br />';
		AtD_print_option( 'onupdate', __( 'a post or page is updated', 'jetpack' ), $options_check_when );
	?>
   </p>

   <p style="font-weight: bold"><?php _e( 'English Options', 'jetpack' ); ?></p>

   <p><?php _e( 'Enable proofreading for the following grammar and style rules when writing posts and pages:', 'jetpack' ); ?></p>

   <p>
	<?php
		AtD_print_option( 'Bias Language', __( 'Bias Language', 'jetpack' ), $options_show_types );
		echo '<br />';
		AtD_print_option( 'Cliches', __( 'Clich&eacute;s', 'jetpack' ), $options_show_types );
		echo '<br />';
		AtD_print_option( 'Complex Expression', __( 'Complex Phrases', 'jetpack' ), $options_show_types );
		echo '<br />';
		AtD_print_option( 'Diacritical Marks', __( 'Diacritical Marks', 'jetpack' ), $options_show_types );
		echo '<br />';
		AtD_print_option( 'Double Negative', __( 'Double Negatives', 'jetpack' ), $options_show_types );
		echo '<br />';
		AtD_print_option( 'Hidden Verbs', __( 'Hidden Verbs', 'jetpack' ), $options_show_types );
		echo '<br />';
		AtD_print_option( 'Jargon Language', __( 'Jargon', 'jetpack' ), $options_show_types );
		echo '<br />';
		AtD_print_option( 'Passive voice', __( 'Passive Voice', 'jetpack' ), $options_show_types );
		echo '<br />';
		AtD_print_option( 'Phrases to Avoid', __( 'Phrases to Avoid', 'jetpack' ), $options_show_types );
		echo '<br />';
		AtD_print_option( 'Redundant Expression', __( 'Redundant Phrases', 'jetpack' ), $options_show_types );
	?>
   </p>
   <p>
	<?php
	printf( __( '<a href="%s" rel="noopener noreferrer" target="_blank">Learn more</a> about these options.', 'jetpack' ), 'http://support.wordpress.com/proofreading/' );
?>
</p>

   <p style="font-weight: bold"><?php _e( 'Language', 'jetpack' ); ?></p>

   <p>
	<?php
	_e( 'The proofreader supports English, French, German, Portuguese, and Spanish. Your user interface language (see above) is the default proofreading language.', 'jetpack' );
		?>
	 </p>

   <p>
	<?php
	AtD_print_option( 'true', __( 'Use automatically detected language to proofread posts and pages', 'jetpack' ), $options_guess_lang );
	?>
   </p>

<?php
}

/*
 *  Returns an array of AtD user options specified by $name
 */
function AtD_get_options( $user_id, $name ) {
	$options_raw = AtD_get_setting( $user_id, $name, 'single' );

	$options         = array();
	$options['name'] = $name;

	if ( $options_raw ) {
		foreach ( explode( ',', $options_raw ) as $option ) {
			$options[ $option ] = 1;
		}
	}

	return $options;
}

/*
 *  Saves set of user options specified by $name from POST data
 */
function AtD_update_options( $user_id, $name ) {
	/* We should probably run $_POST[name] through an esc_*() function... */
	if ( isset( $_POST[ $name ] ) && is_array( $_POST[ $name ] ) ) {
		$copy = array_map( 'strip_tags', array_keys( $_POST[ $name ] ) );
		AtD_update_setting( $user_id, AtD_sanitize( $name ), implode( ',', $copy ) );
	} else {
		AtD_update_setting( $user_id, AtD_sanitize( $name ), '' );
	}

	return;
}