<?php
/**
 * PrintBlob › Overview: what is set up, each with a ✓ or a ✗ in words and a link that fixes it, the latest orders with
 * designs, and PrintBlob Pro: its status, or its card while it is not active.
 *
 * @package PrintBlob
 */

namespace PrintBlob;

defined( 'ABSPATH' ) || exit;

final class Overview {

	/** Site Health's print-folder check asks the site for a file over HTTP; its answer is kept this long. */
	public const PRINT_FOLDER_CHECK = STORED['transients']['print_folder_check'];

	/**
	 * A status row.
	 *
	 * @param bool        $ok     Set up.
	 * @param string      $label  What is checked.
	 * @param string      $detail What was found.
	 * @param string|null $url    Where to fix or see it.
	 * @param string      $action The link's words.
	 */
	private static function row( bool $ok, string $label, string $detail, ?string $url = null, string $action = '' ): array {
		return array(
			'ok'     => $ok,
			'label'  => $label,
			'detail' => $detail,
			'url'    => $url,
			'action' => $action,
		);
	}

	public static function designer_page(): array {
		$label = __( 'Designer page', 'printblob' );
		$page  = Settings::designer_page();
		$fix   = Settings::url();
		if ( ! $page ) {
			$url   = Shirt_Colors::designer_url();
			$found = (int) url_to_postid( $url );
			return $found && has_block( 'printblob/designer', $found )
				/* translators: %s: page title. */
				? self::row( true, $label, sprintf( __( '“%s”, the first published page with the designer block.', 'printblob' ), get_the_title( $found ) ), $url, __( 'View', 'printblob' ) )
				: self::row( false, $label, __( 'No page is set and no published page has the designer block. Products with the designer still show it on their own page.', 'printblob' ), $fix, __( 'Choose a page', 'printblob' ) );
		}
		$title = get_the_title( $page );
		if ( 'publish' !== get_post_status( $page ) ) {
			/* translators: %s: page title. */
			return self::row( false, $label, sprintf( __( '“%s” is not published.', 'printblob' ), $title ), (string) get_edit_post_link( $page, 'raw' ), __( 'Edit the page', 'printblob' ) );
		}
		if ( ! has_block( 'printblob/designer', $page ) ) {
			/* translators: %s: page title. */
			return self::row( false, $label, sprintf( __( '“%s” has no PrintBlob designer block.', 'printblob' ), $title ), (string) get_edit_post_link( $page, 'raw' ), __( 'Add the block', 'printblob' ) );
		}
		/* translators: %s: page title. */
		return self::row( true, $label, sprintf( __( '“%s” is published and shows the designer.', 'printblob' ), $title ), (string) get_permalink( $page ), __( 'View', 'printblob' ) );
	}

	public static function colours(): array {
		$label    = __( 'Colours', 'printblob' );
		$taxonomy = Settings::color_attribute();
		$terms_at = admin_url( 'edit-tags.php?taxonomy=' . $taxonomy . '&post_type=product' );
		if ( ! taxonomy_exists( $taxonomy ) ) {
			return self::row( false, $label, __( 'The colour attribute chosen in the settings does not exist.', 'printblob' ), admin_url( 'edit.php?post_type=product&page=product_attributes' ), __( 'Product attributes', 'printblob' ) );
		}
		$colours = Shirt_Colors::all();
		$total   = count( $colours );
		if ( 0 === $total ) {
			return self::row( false, $label, __( 'The colour attribute has no colours yet.', 'printblob' ), $terms_at, __( 'Add colours', 'printblob' ) );
		}
		$valued = count( array_filter( $colours, static fn( array $colour ): bool => '' !== (string) sanitize_hex_color( (string) get_term_meta( $colour['id'], Shirt_Colors::META_KEY, true ) ) ) );
		$photos = count( array_filter( $colours, static fn( array $colour ): bool => $colour['image'] > 0 ) );
		$detail = sprintf(
			/* translators: 1: number of colours, 2: how many have a colour value, 3: how many have their own photo. */
			_n( '%1$d colour: %2$d with a colour value, %3$d with its own photo.', '%1$d colours: %2$d with a colour value, %3$d with their own photo.', $total, 'printblob' ),
			$total,
			$valued,
			$photos
		);
		return self::row( $valued === $total, $label, $detail, $terms_at, $valued === $total ? __( 'Edit colours', 'printblob' ) : __( 'Give each colour a value', 'printblob' ) );
	}

	public static function sizes(): array {
		$label    = __( 'Sizes', 'printblob' );
		$taxonomy = Settings::size_attribute();
		if ( ! taxonomy_exists( $taxonomy ) ) {
			return self::row( false, $label, __( 'The size attribute chosen in the settings does not exist. Without one, customers choose no size.', 'printblob' ), admin_url( 'edit.php?post_type=product&page=product_attributes' ), __( 'Product attributes', 'printblob' ) );
		}
		$count = (int) wp_count_terms(
			array(
				'taxonomy'   => $taxonomy,
				'hide_empty' => false,
			)
		);
		/* translators: %d: number of sizes. */
		return self::row( $count > 0, $label, sprintf( _n( '%d size.', '%d sizes.', $count, 'printblob' ), $count ), admin_url( 'edit-tags.php?taxonomy=' . $taxonomy . '&post_type=product' ), $count > 0 ? __( 'Edit sizes', 'printblob' ) : __( 'Add sizes', 'printblob' ) );
	}

	public static function products(): array {
		$label    = __( 'Products with the designer', 'printblob' );
		$products = Product_Settings::designer_products( 5 );
		if ( 0 === $products['total'] ) {
			return self::row( false, $label, __( 'No product has the designer on. Edit a product, open its PrintBlob designer tab and turn the designer on.', 'printblob' ), admin_url( 'edit.php?post_type=product' ), __( 'Products', 'printblob' ) );
		}
		$links = implode(
			', ',
			array_map( static fn( int $id ): string => '<a href="' . esc_url( (string) get_edit_post_link( $id, 'raw' ) ) . '">' . esc_html( get_the_title( $id ) ) . '</a>', $products['ids'] )
		);
		/* translators: %d: number of products. */
		return self::row( true, $label, sprintf( esc_html( _n( '%d product:', '%d products:', $products['total'], 'printblob' ) ), $products['total'] ) . ' ' . $links, null );
	}

	public static function mockup(): array {
		$label = __( 'Default mockup', 'printblob' );
		$id    = (int) get_option( Mockups::DEFAULT_OPTION );
		$ok    = $id && Mockups::POST_TYPE === get_post_type( $id ) && 'publish' === get_post_status( $id );
		return $ok
			/* translators: %s: mockup title. */
			? self::row( true, $label, sprintf( __( '“%s”, which products use unless they choose another.', 'printblob' ), get_the_title( $id ) ), Mockups::screen_url(), __( 'Mockups', 'printblob' ) )
			: self::row( false, $label, __( 'The bundled product mockup is missing. It is made again the next time a shop manager opens the dashboard.', 'printblob' ), admin_url(), __( 'Dashboard', 'printblob' ) );
	}

	public static function print_folder(): array {
		$result = get_transient( self::PRINT_FOLDER_CHECK );
		if ( ! is_array( $result ) ) {
			$result = Design_Store::site_health_result();
			set_transient( self::PRINT_FOLDER_CHECK, $result, DAY_IN_SECONDS );
		}
		return self::row( 'good' === $result['status'], __( 'Print files', 'printblob' ), (string) $result['label'], admin_url( 'site-health.php' ), __( 'Site Health', 'printblob' ) );
	}

	/**
	 * The rows Quick setup can set up, in the order a shop sets them up.
	 *
	 * @return array<int, array{ok:bool, label:string, detail:string, url:?string, action:string}>
	 */
	public static function setup_rows(): array {
		return array( self::mockup(), self::colours(), self::sizes(), self::products(), self::designer_page() );
	}

	/**
	 * The status rows: the set-up rows (setup_rows() when not given), then the print folder's.
	 *
	 * @param array[]|null $setup setup_rows(), where the caller has them.
	 * @return array<int, array{ok:bool, label:string, detail:string, url:?string, action:string}>
	 */
	public static function rows( ?array $setup = null ): array {
		return array_merge( $setup ?? self::setup_rows(), array( self::print_folder() ) );
	}

	/**
	 * The newest orders with a design, and how many came this month.
	 *
	 * @return array{latest:\WC_Order[], month:int}
	 */
	public static function orders( int $limit = 5 ): array {
		$latest = array();
		foreach ( Design_Store::order_ids() as $id ) {
			$order = wc_get_order( $id );
			if ( $order instanceof \WC_Order ) {
				$latest[] = $order;
			}
			if ( count( $latest ) >= $limit ) {
				break;
			}
		}
		$start = ( new \DateTimeImmutable( 'first day of this month midnight', wp_timezone() ) )->getTimestamp();
		return array(
			'latest' => $latest,
			'month'  => count( Design_Store::orders_where( array( 'date_created' => '>=' . $start ) ) ),
		);
	}

	public static function mark( bool $ok ): string {
		return Admin_Menu::mark_html( $ok, $ok ? __( 'Done', 'printblob' ) : __( 'To do', 'printblob' ) );
	}

	public static function render(): void {
		Admin_Menu::allow();
		$orders = self::orders();
		$setup  = self::setup_rows();
		?>
		<div class="wrap printblob-admin">
			<h1><?php esc_html_e( 'PrintBlob overview', 'printblob' ); ?></h1>
			<div class="printblob-overview">
				<div class="printblob-overview__main">
					<h2><?php esc_html_e( 'Set-up', 'printblob' ); ?></h2>
					<?php if ( Quick_Setup::needed( $setup ) ) : ?>
						<p><a class="button button-primary" href="<?php echo esc_url( Quick_Setup::url() ); ?>"><?php esc_html_e( 'Quick setup: a designable product in one click', 'printblob' ); ?></a></p>
					<?php endif; ?>
					<table class="widefat striped printblob-status">
						<tbody>
							<?php foreach ( self::rows( $setup ) as $row ) : ?>
								<tr class="<?php echo esc_attr( $row['ok'] ? 'printblob-status--ok' : 'printblob-status--todo' ); ?>">
									<td class="printblob-status__mark"><?php echo wp_kses_post( self::mark( $row['ok'] ) ); ?></td>
									<th scope="row"><?php echo esc_html( $row['label'] ); ?></th>
									<td><?php echo wp_kses_post( $row['detail'] ); ?></td>
									<td class="printblob-status__action">
										<?php if ( $row['url'] ) : ?>
											<a href="<?php echo esc_url( $row['url'] ); ?>"><?php echo esc_html( $row['action'] ); ?></a>
										<?php endif; ?>
									</td>
								</tr>
							<?php endforeach; ?>
						</tbody>
					</table>

					<h2><?php esc_html_e( 'Orders with designs', 'printblob' ); ?></h2>
					<p>
						<?php
						/* translators: %d: number of orders. */
						echo esc_html( sprintf( _n( '%d order with a design this month.', '%d orders with designs this month.', $orders['month'], 'printblob' ), $orders['month'] ) );
						?>
					</p>
					<?php if ( $orders['latest'] ) : ?>
						<ul class="printblob-orders">
							<?php $designs = Design_Store::designs_in_orders( array_map( static fn( \WC_Order $order ): int => $order->get_id(), $orders['latest'] ) ); ?>
							<?php foreach ( $orders['latest'] as $order ) : ?>
								<li>
									<a href="<?php echo esc_url( $order->get_edit_order_url() ); ?>">
										<?php
										/* translators: %s: order number. */
										echo esc_html( sprintf( __( 'Order #%s', 'printblob' ), $order->get_order_number() ) );
										?>
									</a>
									· <?php echo esc_html( $order->get_date_created() ? wc_format_datetime( $order->get_date_created() ) : '' ); ?>
									· <?php echo esc_html( wc_get_order_status_name( $order->get_status() ) ); ?>
									·
									<?php
									$files = Design_Store::print_file_count( $order, $designs );
									/* translators: %d: number of print files. */
									echo esc_html( sprintf( _n( '%d print file', '%d print files', $files, 'printblob' ), $files ) );
									?>
								</li>
							<?php endforeach; ?>
						</ul>
					<?php else : ?>
						<p><?php esc_html_e( 'No order has a design yet.', 'printblob' ); ?></p>
					<?php endif; ?>
				</div>
				<div class="printblob-overview__side">
					<?php if ( Settings::pro_active() ) : ?>
						<h2><?php esc_html_e( 'PrintBlob Pro', 'printblob' ); ?></h2>
						<p><?php echo esc_html( sprintf( /* translators: %s: version number. */ __( 'PrintBlob Pro %s is active.', 'printblob' ), (string) PRINTBLOB_PRO_VERSION ) ); ?></p>
						<p><a href="<?php echo esc_url( Settings::url( 'license' ) ); ?>"><?php esc_html_e( 'Licence', 'printblob' ); ?></a></p>
					<?php elseif ( Settings::pro_installed() ) : ?>
						<h2><?php esc_html_e( 'PrintBlob Pro', 'printblob' ); ?></h2>
						<p><?php echo esc_html( sprintf( /* translators: %s: version number. */ __( 'PrintBlob Pro %s is installed, but its licence is not active, so its features are off: no print files are made.', 'printblob' ), (string) PRINTBLOB_PRO_VERSION ) ); ?></p>
						<p><a href="<?php echo esc_url( Settings::url( 'license' ) ); ?>"><?php esc_html_e( 'Licence', 'printblob' ); ?></a></p>
					<?php else : ?>
						<?php echo wp_kses_post( Pro::card_html() ); ?>
					<?php endif; ?>
					<p><a href="<?php echo esc_url( FACTS['docs'] ); ?>" target="_blank" rel="noopener"><?php esc_html_e( 'Documentation', 'printblob' ); ?></a></p>
				</div>
			</div>
		</div>
		<?php
	}
}