<?php
/**
 * Runs when Swatchline is deleted from Plugins. Its data is removed only if the admin chose
 * "Delete it permanently" in the prompt (the swatchline_uninstall option, see
 * Admin\UninstallPrompt); otherwise everything is kept for a reinstall.
 *
 * Swatchline's data is each global attribute's swatch type (the swatchline_attribute_types
 * option), the colour and image of attribute terms (the swatchline_color and swatchline_image term
 * meta) and its settings (swatchline_* options). Attributes, terms and products are WooCommerce's
 * and are never touched. Swatchline Pro's own data (swatchline_pro_* options, its
 * _swatchline_pro_swatches product meta and swatchline_pro_* term meta) is left to Swatchline Pro's
 * own uninstall.
 */

defined( 'WP_UNINSTALL_PLUGIN' ) || exit;

$swatchline_purge = static function () {
	delete_metadata( 'term', 0, 'swatchline_color', '', true );
	delete_metadata( 'term', 0, 'swatchline_image', '', true );
	$options = array(
		'swatchline_attribute_types',
		'swatchline_shape',
		'swatchline_size',
		'swatchline_label_style',
		'swatchline_tooltip',
		'swatchline_tooltip_image',
		'swatchline_show_selected',
		'swatchline_custom_attributes',
		'swatchline_uninstall',
	);
	foreach ( $options as $option ) {
		delete_option( $option );
	}
};

if ( ! is_multisite() ) {
	if ( 'delete' === get_option( 'swatchline_uninstall' ) ) {
		$swatchline_purge();
	}
	return;
}

// Multisite: each site answered for itself when it deactivated the plugin; a network-wide answer
// (set only by a deactivation from Network Admin) decides for every site.
$swatchline_network = get_site_option( 'swatchline_uninstall' );
foreach ( get_sites( array( 'fields' => 'ids', 'number' => 0 ) ) as $swatchline_site ) {
	switch_to_blog( $swatchline_site );
	if ( 'delete' === ( false !== $swatchline_network ? $swatchline_network : get_option( 'swatchline_uninstall' ) ) ) {
		$swatchline_purge();
	}
	restore_current_blog();
}
delete_site_option( 'swatchline_uninstall' );