<?php
/**
 * Runs when the plugin is deleted from the Plugins screen.
 *
 * Settings and per-image records are removed. Image files are left exactly as
 * they are: optimized images stay optimized, and the kept originals stay in
 * their backup folder inside uploads so nothing is lost by accident.
 *
 * @package LeanPixel
 */

if ( ! defined( 'WP_UNINSTALL_PLUGIN' ) ) {
	exit;
}

/**
 * Remove this plugin's settings and records from the current site.
 */
function leanpixel_uninstall_site() {
	global $wpdb;

	foreach ( array( 'leanpixel_settings', 'leanpixel_stats', 'leanpixel_account', 'leanpixel_bulk_running', 'leanpixel_pause', 'leanpixel_version', 'leanpixel_lock_queue', 'leanpixel_review_done', 'leanpixel_pending_email' ) as $option ) {
		delete_option( $option );
	}
	// Per-image locks left by interrupted requests.
	// phpcs:ignore WordPress.DB.DirectDatabaseQuery.DirectQuery, WordPress.DB.DirectDatabaseQuery.NoCaching -- one-off cleanup.
	$wpdb->query( $wpdb->prepare( "DELETE FROM {$wpdb->options} WHERE option_name LIKE %s", $wpdb->esc_like( 'leanpixel_lock_att_' ) . '%' ) );

	delete_transient( 'leanpixel_reg_secret' );
	delete_transient( 'leanpixel_activated' );
	delete_transient( 'leanpixel_local_caps' );
	delete_post_meta_by_key( '_leanpixel_status' );
	delete_post_meta_by_key( '_leanpixel_data' );
	wp_clear_scheduled_hook( 'leanpixel_run_queue' );
	// leanpixel_backup_dir is kept on purpose: it names the folder holding the kept originals.
}

if ( is_multisite() ) {
	foreach ( get_sites( array( 'fields' => 'ids', 'number' => 0 ) ) as $leanpixel_site_id ) {
		switch_to_blog( $leanpixel_site_id );
		leanpixel_uninstall_site();
		restore_current_blog();
	}
} else {
	leanpixel_uninstall_site();
}