<?php
namespace ADCmdr;

/**
 * Admin functionality for Ad Commander Tools
 */
class AdminTools extends Admin {

	/**
	 * Admin menu hooks specific to this plugin.
	 *
	 * @var array
	 */
	private $admin_menu_hooks_dt = array();

	/**
	 * Nonces
	 *
	 * @var array
	 */
	private $nonce_arrays = array();

	/**
	 * Hooks
	 */
	public function hooks() {
		add_action( 'admin_menu', array( $this, 'create_admin_menu' ) );
		add_action( 'admin_enqueue_scripts', array( $this, 'admin_enqueue_scripts' ) );
		add_action( 'admin_print_styles', array( $this, 'admin_print_styles' ) );

		add_filter( 'adcmdr_admin_menu_hooks', array( $this, 'admin_menu_hooks' ) );

		foreach ( $this->get_action_keys() as $key ) {
			$key_underscore = self::_key( $key );
			add_action( 'wp_ajax_' . $this->action_string( $key ), array( $this, 'action_' . $key_underscore ) );
		}
	}

	/**
	 * Create or get nonce
	 *
	 * @param string $action The action for the nonce.
	 * @param string $key The key to create the nonce string from.
	 */
	protected function nonce_array( $action, $key ) {
		if ( ! isset( $this->nonce_arrays[ $action ] ) ) {
			$this->nonce_arrays[ $action ] = $this->nonce( $action, $key );
		}

		return $this->nonce_arrays[ $action ];
	}

	/**
	 * Enqueue scripts
	 *
	 * @return void
	 */
	public function admin_enqueue_scripts() {
		if ( $this->is_screen( $this->admin_menu_hooks_dt ) ) {
			wp_enqueue_script( 'jquery' );

			$handle = Util::ns( 'dt-impexp' );

			wp_register_script(
				$handle,
				AdCommanderTools::assets_url() . 'js/importexport.js',
				array(
					'jquery',
				),
				AdCommanderTools::version(),
				array( 'in_footer' => true )
			);

			wp_enqueue_script( $handle );

			Util::enqueue_script_data(
				$handle,
				array(
					'ajaxurl' => admin_url( 'admin-ajax.php' ),
					'actions' => $this->get_ajax_actions(),
				)
			);

		}
	}

	/**
	 * Get necessary action keys, which will be used to create wp_ajax hooks.
	 *
	 * @return array
	 */
	private function get_action_keys() {
		return array(
			'delete-bundle',
		);
	}

	/**
	 * Creates an array of all of the necessary actions.
	 *
	 * @return array
	 */
	private function get_ajax_actions() {
		$actions = array();

		foreach ( $this->get_action_keys() as $key ) {
			$actions[ self::_key( $key ) ] = array(
				'action'   => $this->action_string( $key ),
				'security' => wp_create_nonce( $this->nonce_string( $key ) ),
			);
		}

		return $actions;
	}

	/**
	 * Delete a bundle
	 *
	 * @return void
	 */
	public function action_delete_bundle() {
		$action = 'delete-bundle';

		check_ajax_referer( $this->nonce_string( $action ), 'security' );

		if ( ! current_user_can( AdCommander::capability() ) ) {
			wp_die();
		}

		$file = isset( $_REQUEST['file'] ) ? sanitize_text_field( wp_unslash( $_REQUEST['file'] ) ) : false;

		if ( Export::instance()->delete_bundle( $file ) ) {
			wp_send_json_success(
				array(
					'action' => $action,
				)
			);
		}

		wp_die();
	}

	/**
	 * Enqueue styles if we're on a screen that needs them.
	 *
	 * @return void
	 */
	public function admin_print_styles() {
		if ( $this->is_screen( $this->admin_menu_hooks_dt ) ) {
			wp_enqueue_style( Util::ns( 'dt-tools' ), AdCommanderTools::assets_url() . 'css/admin.css', array(), AdCommanderTools::version() );
		}
	}

	/**
	 * The admin_url for the tools page.
	 *
	 * @return string
	 */
	public static function tools_admin_url() {
		return admin_url( self::admin_path( 'tools' ) );
	}

	/**
	 * The title of the Tools page
	 *
	 * @return string
	 */
	public function tools_title() {
		return __( 'Tools', 'ad-commander-tools' );
	}

	/**
	 * Create admin menu.
	 *
	 * @return void
	 */
	public function create_admin_menu() {
		$hook = add_submenu_page(
			self::admin_slug(),
			self::tools_title(),
			self::tools_title(),
			AdCommander::capability(),
			self::admin_slug( 'tools' ),
			array( $this, 'tools_page' ),
			25
		);

		$this->admin_menu_hooks_dt[] = $hook;
	}

	/**
	 * Filter Ad Commander menu hooks and add this plugin.
	 *
	 * @param array $hooks The current hooks.
	 *
	 * @return array
	 */
	public function admin_menu_hooks( $hooks ) {

		if ( is_array( $hooks ) && ! empty( $this->admin_menu_hooks_dt ) ) {
			$hooks = array_merge( $hooks, $this->admin_menu_hooks_dt );
		}

		return $hooks;
	}

	/**
	 * The tools page.
	 *
	 * @return void
	 */
	public function tools_page() {
		$this->sf()->start();
		$this->sf()->title( __( 'Tools', 'ad-commander-tools' ) );

		$tabs                  = array();
		$tools['import']       = __( 'Import', 'ad-commander-tools' );
		$tools['export']       = __( 'Export', 'ad-commander-tools' );
		$tools['delete_stats'] = __( 'Delete Ad Stats', 'ad-commander-tools' );
		$tools['debug']        = __( 'Debug', 'ad-commander-tools' );

		$admin_url = self::tools_admin_url();

		foreach ( $tools as $key => $text ) {
			$opt_key = $this->sf()->key( $key );
			$tabs[]  = array(
				'key'  => $opt_key,
				'text' => esc_html( $text ),
				'url'  => $this->sf()->get_tab_url( $opt_key, $admin_url ),
			);
		}

		// phpcs:ignore WordPress.Security.NonceVerification.Recommended -- Nonce verification isn't needed for admin page added via add_submenu_page and processing no action.
		$active_tab = isset( $_GET['tab'] ) ? sanitize_text_field( wp_unslash( $_GET['tab'] ) ) : $tabs[0]['key'];
		$this->sf()->display_tabs( $tabs, $active_tab );

		foreach ( $tabs as $tab ) {
			if ( $active_tab !== $tab['key'] ) {
				continue;
			}

			switch ( $tab['key'] ) {
				case 'adcmdr_export':
					$this->export_page();
					break;

				case 'adcmdr_import':
					$this->import_page();
					break;

				case 'adcmdr_delete_stats':
					$this->delete_stats_page();
					break;
				case 'adcmdr_debug':
					$this->debug_page();
					break;
			}
		}
		// Close .woforms-form-inner div from display_tabs().
		?>
		</div>
		<?php
		$this->sf()->end();
	}

	/**
	 * Start a form tag.
	 *
	 * @param string $method Get or post method.
	 * @param bool   $formdata Whether to accept file uploads.
	 *
	 * @return void
	 */
	private function form_start( $method = 'post', $formdata = false ) {
		$this->sf()->form_start( admin_url( 'admin.php' ), $method, $formdata );
	}

	/**
	 * End a form.
	 *
	 * @return void
	 */
	private function form_end() {
		?>
		</form>
		<?php
	}

	/**
	 * Create the export page.
	 *
	 * @return void
	 */
	private function export_page() {
		$export_nonce = $this->nonce_array( 'adcmdr-do_export', 'export' );
		?>
		<h2><?php esc_html_e( 'Export', 'ad-commander-tools' ); ?></h2>
		<?php
		if ( ! Export::can_export() ) {
			$this->info( esc_html__( "Your host doesn't appear to support the necessary libraries for exporting and compressing your data. We are unable to create export bundles at this time.", 'ad-commander-tools' ), array( 'adcmdr-metaitem__warning' ) );
		} else {
			$this->form_start();
			?>
		<input type="hidden" name="action" value="<?php echo esc_attr( Util::ns( 'do_export' ) ); ?>" />
			<?php
			$this->nonce_field( $export_nonce );

			Html::admin_table_start();
			?>
		<tr>
			<th scope="row"><?php esc_html_e( 'Include stats', 'ad-commander-tools' ); ?></th>
			<td>
				<?php
				$id = $this->sf()->key( 'export_include_stats' );
				$this->sf()->wo_forms->checkbox( $id, 1 );
				$this->sf()->wo_forms->label( $id, esc_html__( 'Include statistics in export bundle.', 'ad-commander-tools' ) );
				?>
			</td>
		</tr>
		<tr>
			<th scope="row"><?php esc_html_e( 'Export bundle', 'ad-commander-tools' ); ?></th>
			<td>
				<input type="submit" value="<?php echo esc_attr( __( 'Create export bundle now', 'ad-commander-tools' ) ); ?>" class="button button-primary adcmdrdt-submit" /> <span class="adcmdr-loader"></span>
				<?php
				/* translators: %1$s: line break tag */
				$this->sf()->message( sprintf( esc_html__( 'A bundle will be created with your ads, groups, placements, and (optionally) stats.%1$sWhen importing this bundle into another site, you can choose which data to import.', 'ad-commander-tools' ), '<br />' ) );
				?>
			</td>
		</tr>
			<?php
			$bundles = Export::instance()->get_filelist();
			if ( ! empty( $bundles ) ) :
				$url = Export::instance()->export_url();
				?>
		<tr>
			<th scope="row"><?php esc_html_e( 'Exported files', 'ad-commander-tools' ); ?></th>
			<td>
				<ul class="adcmdrdt-export-list">
				<?php
				$dt     = Util::datetime_wp_timezone( 'now' );
				$format = get_option( 'date_format' ) . ' ' . get_option( 'time_format' );
				foreach ( $bundles as $file ) :
					?>
					<?php
					$created = null;

					if ( isset( $file['lastmodunix'] ) ) {
						$dt->setTimestamp( $file['lastmodunix'] );
						$created = $dt->format( $format );
					}
					?>
					<li data-file="<?php echo esc_attr( $file['name'] ); ?>">
						<a href="<?php echo esc_url( $url . $file['name'] ); ?>" target="_blank" title="<?php echo esc_attr__( 'Download', 'ad-commander-tools' ); ?>">
							<span><?php echo esc_html( $file['name'] ); ?></span><i class="dashicons dashicons-download"></i>
						</a>
						<?php if ( $created ) : ?>
						<em><?php echo esc_html( $created ); ?></em>
						<?php endif; ?>
						<button title="Delete" class="adcmdrdt-del"><i class="dashicons dashicons-remove"></i></button>
					</li>
				<?php endforeach; ?>
				</ul>
			</td>
		</tr>
				<?php
		endif;
			Html::admin_table_end();

			$this->form_end();
		}
	}

	/**
	 * A select element with the bundle files to import.
	 *
	 * @return void
	 */
	private function import_bundle_options() {
		$options = array(
			'ads'         => esc_html__( 'Ads', 'ad-commander-tools' ),
			'groups'      => esc_html__( 'Groups', 'ad-commander-tools' ),
			'campaigns'   => esc_html__( 'Campaigns', 'ad-commander-tools' ),
			'advertisers' => esc_html__( 'Advertisers', 'ad-commander-tools' ),
			'placements'  => esc_html__( 'Inserts', 'ad-commander-tools' ),
			'stats'       => esc_html__( 'Stats', 'ad-commander-tools' ),
		);

		$id = $this->sf()->key( 'import_bundle_options' );
		$this->sf()->label( $id, esc_html__( 'Import the following data (if present in the bundle file):', 'ad-commander-tools' ) );
		$this->sf()->checkgroup(
			$id,
			$options,
			array_filter( array_keys( $options ), fn( $option ) => $option !== 'stats' )
		);
	}

	/**
	 * Debug page
	 */
	private function debug_page() {
		?>
				<ul class="adcmdrdt-debug-list">
					<li>
						<?php
						$max_execution_time = UtilTools::maybe_increase_max_execution_time();

						if ( ! $max_execution_time ) {
							echo '<strong class="adcmdr-error-notice">' . esc_html__( 'Could not determine the max execution time for PHP scripts on this server. This may affect the processing of large import bundles.', 'ad-commander-tools' ) . '</strong>';
						} elseif ( $max_execution_time !== 0 && $max_execution_time < (int) apply_filters( 'adcmdr_tools_set_time_limit', 480 ) ) {
							echo '<strong class="adcmdr-error-notice">' . esc_html__( 'The max execution time for PHP scripts on this server is currently set to ', 'ad-commander-tools' ) . esc_html( $max_execution_time ) . esc_html__( ' seconds, which may not be sufficient to process large import bundles. We recommend increasing this limit to at least 300 seconds (5 minutes) to ensure imports can complete successfully. Please check with your host to increase the max execution time.', 'ad-commander-tools' ) . '</strong>';
						} else {
							echo esc_html__( 'The max execution time for PHP scripts on this server is ', 'ad-commander-tools' ) . esc_html( $max_execution_time ) . esc_html__( ' seconds.', 'ad-commander-tools' );
						}
						?>
					</li>
					<li>
						<?php
						if ( ! class_exists( '\ZipArchive' ) || ! method_exists( '\ZipArchive', 'open' ) ) {
							echo '<strong class="adcmdr-error-notice">' . esc_html__( 'PHP ZipArchive class does not exist. This is required to process the import bundle. Please check with your host to ensure this PHP extension is installed and enabled.', 'ad-commander-tools' ) . '</strong>';
						} else {
							esc_html_e( 'PHP ZipArchive class is available.', 'ad-commander-tools' );
						}
						?>
					</li>
					<li>
						<?php
						$filesystem = Filesystem::instance();
						if ( ! $filesystem->init_wp_filesystem() ) {
							echo '<strong class="adcmdr-error-notice">' . esc_html__( 'WP_Filesystem could not be initialized with the direct method. Please check your filesystem settings and permissions.', 'ad-commander-tools' ) . '</strong>';
						} else {
							esc_html_e( 'WP_Filesystem initialized successfully with the direct method.', 'ad-commander-tools' );
						}
						?>
					</li>
					<li>
						<?php
						$tmp_dir = $filesystem->wp_tmp_dir( ImportBundle::import_dir() );
						if ( ! $tmp_dir ) {
							echo '<strong class="adcmdr-error-notice">' . esc_html__( 'Could not find a writable temporary directory for processing the import bundle. Please check your filesystem settings and permissions.', 'ad-commander-tools' ) . '</strong>';
						} else {
							esc_html_e( 'Found writable temporary directory for processing the import bundle: ', 'ad-commander-tools' );
							echo '<code>' . esc_html( $tmp_dir ) . '</code>';
						}
						?>
					</li>
					<li>
						<?php
						$extract_to_dir = $filesystem->maybe_create_dir( trailingslashit( $tmp_dir ) . 'adcmdr_import_test' );
						if ( ! $extract_to_dir ) {
							echo '<strong class="adcmdr-error-notice">' . esc_html__( 'Could not create a writable directory for extracting the import bundle. Please check your filesystem settings and permissions.', 'ad-commander-tools' ) . '</strong>';
						} else {
							esc_html_e( 'Created writable directory for extracting the import bundle: ', 'ad-commander-tools' );
							echo '<code>' . esc_html( $extract_to_dir ) . '</code>';
							global $wp_filesystem;
							$dir_info = array(
								'chmod' => $wp_filesystem->getchmod( $extract_to_dir ),
								'owner' => $wp_filesystem->owner( $extract_to_dir ),
								'group' => $wp_filesystem->group( $extract_to_dir ),
							);
							echo '<pre>';
							print_r( $dir_info );
							echo '</pre>';
						}
						?>
					</li>
					<li>
						<?php
						global $wp_filesystem;
						$filelist = $wp_filesystem->dirlist( $extract_to_dir, false );
						if ( ! $filelist || ! is_array( $filelist ) || empty( $filelist ) ) {
							echo '<strong class="adcmdr-error-notice">' . esc_html__( 'Could not read the directory for extracting the import bundle. Please check your filesystem settings and permissions.', 'ad-commander-tools' ) . '</strong>';
						} else {
							esc_html_e( 'Successfully read the directory for extracting the import bundle.', 'ad-commander-tools' );
							echo '<pre>';
							print_r( $filelist );
							echo '</pre>';
						}
						?>
					</li>
				</ul>
				<?php
	}

	/**
	 * Create the import/export page.
	 *
	 * @return void
	 */
	private function import_page() {
		?>
		<h2><?php esc_html_e( 'Import', 'ad-commander-tools' ); ?></h2>
		<?php
		if ( ! self::allow_unfiltered_html() ) {
			?>
			<div class="adcmdr-notification adcmdr-notice-error">
				<p>
					<?php esc_html_e( 'Your user does not have permission to use unfiltered HTML. Scripts and some other HTML will be stripped from Text/Code ads, Rich Content ads, and custom code.', 'ad-commander-tools' ); ?>
					<?php Doc::doc_link( 'unfiltered_html' ); ?>
				</p>
			</div>
			<?php
		}

		$import_bundle_nonce = $this->nonce_array( 'adcmdr-do_import_bundle', 'import' );
		$this->form_start( 'post', true );
		?>
		<input type="hidden" name="action" value="<?php echo esc_attr( Util::ns( 'do_import_bundle' ) ); ?>" />
		<?php
		$this->nonce_field( $import_bundle_nonce );
		Html::admin_table_start();
		?>
		<tr>
			<th scope="row"><?php esc_html_e( 'Import bundle', 'ad-commander-tools' ); ?></th>
			<td>
				<?php $this->sf()->message( esc_html__( "Upload a bundle zip created by Ad Commander's export tool. This zip will be processed and imported based on the options selected below.", 'ad-commander-tools' ) ); ?>
				<div class="adcmdrdt-sub">
				<?php
				$id = $this->sf()->key( 'import_bundle_file' );
				$this->sf()->wo_forms->input( $id, null, 'file', array( 'accept' => '.zip' ) );
				$this->sf()->wo_forms->label( $id, esc_html__( 'Select a bundle file to upload.', 'ad-commander-tools' ) );
				?>
				</div>
				<div class="adcmdrdt-sub adcmdrdt-sub--col adcmdrdt-sub--divide">
					<?php $this->import_bundle_options(); ?>
				</div>
				<div class="adcmdrdt-sub adcmdrdt-sub--col">
				<?php
				$options = array(
					'draft' => esc_html__( 'Draft', 'ad-commander-tools' ),
					'match' => esc_html__( 'Match imported status and post date', 'ad-commander-tools' ),
				);

				$id = $this->sf()->key( 'import_set_status' );
				$this->sf()->wo_forms->label( $id, esc_html__( 'Set the status of imported Ads and Placements to:', 'ad-commander-tools' ) );
				$this->sf()->wo_forms->select(
					$id,
					$options,
					'draft'
				);
				?>
				</div>
				<div class="adcmdrdt-sub adcmdrdt-sub--divide">
					<input type="submit" value="<?php echo esc_attr( __( 'Upload & Import Bundle', 'ad-commander-tools' ) ); ?>" class="button button-primary adcmdrdt-submit" /> <span class="adcmdr-loader"></span>
				</div>
			</td>
		</tr>
		<?php
		Html::admin_table_end();
		$this->form_end();
	}

	/**
	 * Create the manage stats page.
	 *
	 * @return void
	 */
	private function delete_stats_page() {
		$this->delete_stats_specific_id();
		$this->delete_stats_delete_rogue();
		$this->delete_stats_delete_all();
	}

	/**
	 * Delete stats for a specific ad ID.
	 *
	 * @return void
	 */
	private function delete_stats_specific_id() {
		$this->info( esc_html__( 'Warning: These are destructive actions. Please backup your database before proceeding.', 'ad-commander-tools' ), array( 'classes' => 'adcmdr-notification adcmdr-notice-warning' ) );
		?>
		<h2><?php esc_html_e( 'Delete ad stats', 'ad-commander-tools' ); ?></h2>
		<?php
		/* translators: %1$s: open strong and em tags; %2$s: close strong and em tags */
		$this->sf()->message( sprintf( esc_html__( 'Use this tool to delete stats for a specific ad ID.%1$sTo find the ID for an active ad, view the ad under Ad Commander -> Manage Ads. The ID is located in the URL of the ad, and displayed in the shortcode and template function.%2$sIDs for ads that no longer exist can be find in Reports. The ad will say "Ad Not Found (ID: #)".', 'ad-commander-tools' ), '<br />', '<br />' ) );

		$delete_ad_stats_nonce = $this->nonce_array( 'adcmdr-do_delete_ad_stats', 'stats' );
		$this->form_start( 'post', true );
		?>
		<input type="hidden" name="action" value="<?php echo esc_attr( Util::ns( 'do_delete_ad_stats' ) ); ?>" />
		<?php
		$this->nonce_field( $delete_ad_stats_nonce );
		Html::admin_table_start();
		?>
		<tr>
			<th scope="row"><?php esc_html_e( 'Ad ID', 'ad-commander-tools' ); ?></th>
			<td>
				<?php
				$id = $this->sf()->key( 'ad_id' );
				$this->sf()->wo_forms->input( $id, null, 'number' );
				$this->sf()->message( esc_html__( 'Enter the ad ID to delete.', 'ad-commander-tools' ) );
				?>
			</td>
		<tr>
			<th scope="row"><?php esc_html_e( 'Confirm delete', 'ad-commander-tools' ); ?></th>
			<td>
				<?php
				$id = $this->sf()->key( 'confirm_action' );
				$this->sf()->wo_forms->checkbox( $id, 0, 1, array( 'id' => $id . '_ad' ) );
				$this->sf()->wo_forms->label( $id . '_ad', esc_html__( 'I understand I am deleting statistics for an ad. This action cannot be undone.', 'ad-commander-tools' ) );
				?>
				<div class="adcmdrdt-sub">
					<input type="submit" value="<?php echo esc_attr( __( 'Delete ad statistics', 'ad-commander-tools' ) ); ?>" class="button button-primary adcmdrdt-submit" /> <span class="adcmdr-loader"></span>
				</div>
			</td>
		</tr>
		<?php
		Html::admin_table_end();
		$this->form_end();
	}

	/**
	 * Delete rogue stats section.
	 *
	 * @return void
	 */
	private function delete_stats_delete_rogue() {
		?>
		<h2><?php esc_html_e( 'Delete rogue stats', 'ad-commander-tools' ); ?></h2>
		<?php
		/* translators: %1$s: open strong and em tags; %2$s: close strong and em tags */
		$this->sf()->message( sprintf( __( 'A stat is considered rogue if an ad no longer exists. Stats for ads in the trash are %1$snot%2$s considered rogue. Ads must be completely deleted.', 'ad-commander-tools' ), '<strong><em>', '</em></strong>' ) );

		$rogue = StatsDelete::find_rogue_entries();
		$total = count( $rogue['impressions'] ) + count( $rogue['clicks'] );

		/* translators: %1$s the total number of query results */
		$this->sf()->message( '<em>' . sprintf( __( 'You currently have %1$s rogue stat entries.', 'ad-commander-tools' ), $total ) . '</em>' );

		$delete_all_stats_nonce = $this->nonce_array( 'adcmdr-do_delete_rogue_stats', 'stats' );
		$this->form_start( 'post', true );
		?>
		<input type="hidden" name="action" value="<?php echo esc_attr( Util::ns( 'do_delete_rogue_stats' ) ); ?>" />
		<?php
		$this->nonce_field( $delete_all_stats_nonce );
		Html::admin_table_start();
		?>
		<tr>
			<th scope="row"><?php esc_html_e( 'Confirm delete', 'ad-commander-tools' ); ?></th>
			<td>
				<?php
				$disabled = false;
				if ( $total <= 0 ) {
					$disabled = true;
				}

				$id = $this->sf()->key( 'confirm_action' );
				$this->sf()->wo_forms->checkbox(
					$id,
					0,
					1,
					array(
						'disabled' => $disabled,
						'id'       => $id . '_rogue',
					)
				);
				$this->sf()->wo_forms->label( $id . '_rogue', __( 'I understand I am deleting statistics for ads that no longer exist. These stats will no longer be included in Reports. This action cannot be undone.', 'ad-commander-tools' ) );
				?>
				<div class="adcmdrdt-sub">
					<input type="submit" value="<?php echo esc_attr( __( 'Delete rogue statistics', 'ad-commander-tools' ) ); ?>" class="button button-primary adcmdrdt-submit"
															<?php
															if ( $disabled ) :
																?>
						disabled<?php endif; ?> /> <span class="adcmdr-loader"></span>
				</div>
			</td>
		</tr>
		<?php
		Html::admin_table_end();
		$this->form_end();
	}

	/**
	 * Reset all stats section.
	 *
	 * @return void
	 */
	private function delete_stats_delete_all() {
		?>
		<h2><?php esc_html_e( 'Reset all stats', 'ad-commander-tools' ); ?></h2>
		<?php
		$delete_all_stats_nonce = $this->nonce_array( 'adcmdr-do_delete_all_stats', 'stats' );
		$this->form_start( 'post', true );
		?>
		<input type="hidden" name="action" value="<?php echo esc_attr( Util::ns( 'do_delete_all_stats' ) ); ?>" />
		<?php
		$this->nonce_field( $delete_all_stats_nonce );
		Html::admin_table_start();
		?>
		<tr>
			<th scope="row"><?php esc_html_e( 'Confirm delete', 'ad-commander-tools' ); ?></th>
			<td>
				<?php
				$id = $this->sf()->key( 'confirm_action' );
				$this->sf()->wo_forms->checkbox( $id, 0, 1, array( 'id' => $id . '_all' ) );
				$this->sf()->wo_forms->label( $id . '_all', esc_html__( 'I understand I am deleting statistics for all ads and that this action cannot be undone.', 'ad-commander-tools' ) );
				?>
				<div class="adcmdrdt-sub">
					<input type="submit" value="<?php echo esc_attr( __( 'Reset all statistics', 'ad-commander-tools' ) ); ?>" class="button button-primary adcmdrdt-submit" /> <span class="adcmdr-loader"></span>
				</div>
			</td>
		</tr>
		<?php
		Html::admin_table_end();
		$this->form_end();
	}
}