<?php

declare(strict_types=1);

namespace VPlugins\WPCloudClient\BusinessProfile;

use VPlugins\WPCloudClient\Settings\SettingsRepository;

/**
 * Renders the "Business Profile Data Missing" notice (with placeholder generation)
 * inline within the WP Cloud Client settings page when no profile data exists,
 * and handles the AJAX request that populates placeholder profile data.
 */
final class ProfileAdminNotice {

	private const AJAX_ACTION = 'wpcc_generate_business_profile';
	private const NONCE_KEY   = 'wpcc_generate_profile_nonce';

	/**
	 * Constructor.
	 *
	 * @param ProfileRepository  $repository The profile data repository.
	 * @param SettingsRepository $settings   Settings repository, used for multisite detection.
	 */
	public function __construct(
		private readonly ProfileRepository $repository,
		private readonly SettingsRepository $settings,
	) {}

	/**
	 * Register the AJAX handler used by the placeholder-generation button.
	 *
	 * The notice itself is rendered inline when no profile data exists, so no
	 * admin_notices hook is registered here.
	 *
	 * @return void
	 */
	public function register(): void {
		add_action( 'wp_ajax_' . self::AJAX_ACTION, [ $this, 'handleGenerate' ] );
	}

	/**
	 * Render the missing-profile notice HTML.
	 *
	 * Emits the warning markup, the "Generate Placeholder Data" button, and an
	 * inline `<script>` handler that POSTs to the AJAX action registered by
	 * {@see self::register()} and reloads the page on success. Intended to be
	 * called from a settings surface when no profile data exists.
	 *
	 * @return void
	 */
	public function render(): void {
		$nonce = wp_create_nonce( self::NONCE_KEY );
		?>
		<div class="notice notice-warning is-dismissible">
			<p>
				<strong><?php esc_html_e( 'Business Profile Data Missing:', 'wp-cloud-client' ); ?></strong>
				<?php esc_html_e( 'Business profile data has not been synced yet. If you need a placeholder, you can generate basic data from your site settings.', 'wp-cloud-client' ); ?>
			</p>
			<p>
				<button
					type="button"
					id="wpcc-generate-profile"
					class="button button-secondary"
					data-nonce="<?php echo esc_attr( $nonce ); ?>"
				>
					<?php esc_html_e( 'Generate Placeholder Data', 'wp-cloud-client' ); ?>
				</button>
			</p>
		</div>
		<script>
		document.getElementById('wpcc-generate-profile')?.addEventListener('click', function() {
			var btn = this;
			btn.disabled = true;
			btn.textContent = '<?php echo esc_js( __( 'Generating...', 'wp-cloud-client' ) ); ?>';

			var data = new FormData();
			data.append('action', '<?php echo esc_js( self::AJAX_ACTION ); ?>');
			data.append('_wpnonce', btn.dataset.nonce);

			fetch(ajaxurl, { method: 'POST', body: data, credentials: 'same-origin' })
				.then(function(r) { return r.json(); })
				.then(function(r) {
					if (r.success) { location.reload(); }
					else { btn.disabled = false; btn.textContent = '<?php echo esc_js( __( 'Generate Placeholder Data', 'wp-cloud-client' ) ); ?>'; }
				})
				.catch(function() { btn.disabled = false; });
		});
		</script>
		<?php
	}

	/**
	 * Handle the AJAX request to generate placeholder profile data.
	 *
	 * @return void
	 */
	public function handleGenerate(): void {
		if ( false === check_ajax_referer( self::NONCE_KEY, '_wpnonce', false ) ) {
			wp_send_json_error( [ 'message' => __( 'Security check failed. Please reload the page and try again.', 'wp-cloud-client' ) ], 403 );
		}

		// On multisite, this writes to the network's shared main-site profile
		// (see ProfileRepository::update()), so only a network super-admin
		// may trigger it, regardless of which site's admin fires the request.
		$requiredCap = $this->settings->isMultisite() ? 'manage_network_options' : 'manage_options';
		if ( ! current_user_can( $requiredCap ) ) {
			wp_send_json_error( [ 'message' => __( 'Unauthorized', 'wp-cloud-client' ) ], 403 );
		}

		$this->repository->update(
			[
				'company_name'  => get_option( 'blogname', '' ),
				'description'   => get_option( 'blogdescription', '' ),
				'contact_email' => get_option( 'admin_email', '' ),
			]
		);

		wp_send_json_success();
	}
}