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<?php
namespace MetaBox\Updater;

class Settings {
	private $option;
	private $checker;
	private $fake_api_key;

public function __construct( Checker $checker, Option $option ) {
		$this->checker      = $checker;
		$this->option       = $option;
		$this->fake_api_key = 'Please do not steal this license key';
	}

public function init() {
		// Whether to enable Meta Box menu. Priority 1 makes sure it runs before adding Meta Box menu.
		$admin_menu_hook = $this->option->is_network_activated() ? 'network_admin_menu' : 'admin_menu';
		add_action( $admin_menu_hook, [ $this, 'enable_menu' ], 1 );
	}

public function enable_menu() {
		if ( ! $this->checker->has_extensions() ) {
			return;
		}

// Enable Meta Box menu only in single site.
		if ( ! $this->option->is_network_activated() ) {
			add_filter( 'rwmb_admin_menu', '__return_true' );
		}

// Add submenu. Priority 90 makes it the last sub-menu item.
		$admin_menu_hook = $this->option->is_network_activated() ? 'network_admin_menu' : 'admin_menu';
		add_action( $admin_menu_hook, [ $this, 'add_settings_page' ], 90 );
	}

public function add_settings_page() {
		$parent     = $this->option->is_network_activated() ? 'settings.php' : 'meta-box';
		$capability = $this->option->is_network_activated() ? 'manage_network_options' : 'manage_options';
		$title      = $this->option->is_network_activated() ? esc_html__( 'Meta Box License', 'meta-box' ) : esc_html__( 'License', 'meta-box' );
		$page_hook  = add_submenu_page(
			$parent,
			$title,
			$title,
			$capability,
			'meta-box-updater',
			[ $this, 'render' ]
		);
		add_action( "load-{$page_hook}", [ $this, 'save' ] );
	}

public function render() {
		?>
		<div class="wrap">
			<h1><?php esc_html_e( 'Meta Box License', 'meta-box' ); ?></h1>
			<p><?php esc_html_e( 'Please enter your license key to enable automatic updates for Meta Box extensions.', 'meta-box' ); ?></p>
			<p>
				<?php
				printf(
					// Translators: %1$s - URL to the My Account page, %2$s - URL to the pricing page.
					wp_kses_post( __( 'To get the license key, visit the <a href="%1$s" target="_blank">My Account</a> page on metabox.io website. If you have not purchased any extension yet, please <a href="%2$s" target="_blank">get a new license here</a>.', 'meta-box' ) ),
					'https://metabox.io/my-account/',
					'https://metabox.io/pricing/'
				);
				?>
			</p>

<table class="form-table">
					<tr>
						<th scope="row"><?php esc_html_e( 'License Key', 'meta-box' ); ?></th>
						<td>
							<?php
							$messages = [
								'invalid' => __( 'Your license key is <b style="color: #d63638">invalid</b>.', 'meta-box' ),
								'error'   => __( 'Your license key is <b style="color: #d63638">invalid</b>.', 'meta-box' ),
								'expired' => __( 'Your license key is <b style="color: #d63638">expired</b>.', 'meta-box' ),
								'active'  => __( 'Your license key is <b style="color: #00a32a">active</b>.', 'meta-box' ),
							];
							$status   = $this->option->get_license_status();
							$api_key  = 'active' === $status ? $this->fake_api_key : $this->option->get( 'api_key' );
							?>
							<input class="regular-text" name="meta_box_updater[api_key]" value="<?php echo esc_attr( $api_key ); ?>" type="password">
							<?php if ( isset( $messages[ $status ] ) ) : ?>
								<p class="description"><?php echo wp_kses_post( $messages[ $status ] ); ?></p>
							<?php endif; ?>
						</td>
					</tr>
				</table>

<?php submit_button( __( 'Save Changes', 'meta-box' ) ); ?>
			</form>
		</div>
		<?php
	}

public function save() {
		$request = rwmb_request();
		if ( ! $request->post( 'submit' ) ) {
			return;
		}
		check_admin_referer( 'meta-box' );

$option = (array) $request->post( 'meta_box_updater', [] );

if ( isset( $option['api_key'] ) && $option['api_key'] === $this->fake_api_key ) {
			return;
		}

$status   = 'invalid';
		$response = null;
		if ( isset( $option['api_key'] ) ) {
			$args     = [
				'key'   => $option['api_key'],
				'force' => true,
			];
			$response = $this->checker->request( 'status', $args );
			$status   = $response['status'] ?? 'invalid';
		}

if ( empty( $response ) ) {
			add_settings_error( '', 'mb-error', __( 'Something wrong with the connection to metabox.io. Please try again later.', 'meta-box' ) );
		} elseif ( 'active' === $status ) {
			add_settings_error( '', 'mb-success', __( 'Your license is activated.', 'meta-box' ), 'updated' );
		} elseif ( 'expired' === $status ) {
			// Translators: %s - URL to the My Account page.
			$message = __( 'License expired. Please renew on the <a href="%s" target="_blank">My Account</a> page on metabox.io website.', 'meta-box' );
			$message = wp_kses_post( sprintf( $message, 'https://metabox.io/my-account/' ) );

add_settings_error( '', 'mb-expired', $message );
		} else {
			// Translators: %1$s - URL to the My Account page, %2$s - URL to the pricing page.
			$message = __( 'Invalid license. Please <a href="%1$s" target="_blank">check again</a> or <a href="%2$s" target="_blank">get a new license here</a>.', 'meta-box' );
			$message = wp_kses_post( sprintf( $message, 'https://metabox.io/my-account/', 'https://metabox.io/pricing/' ) );

add_settings_error( '', 'mb-invalid', $message );
		}

$option['status'] = $status;

$admin_notices_hook = $this->option->is_network_activated() ? 'network_admin_notices' : 'admin_notices';
		add_action( $admin_notices_hook, 'settings_errors' );

$this->option->update( $option );
	}
}