<?php
/**
 * Base class file.
 *
 * @package hcaptcha-wp
 */

namespace HCaptcha\ColorlibCustomizer;

use HCaptcha\Helpers\HCaptcha;

/**
 * Class Base
 */
abstract class Base {

	/**
	 * Login form shown.
	 *
	 * @var bool
	 */
	private $login_form_shown = false;

	/**
	 * Class constructor.
	 */
	public function __construct() {
		$this->init_hooks();
	}

	/**
	 * Init hooks.
	 *
	 * @return void
	 */
	protected function init_hooks(): void {
		add_action( 'login_head', [ $this, 'login_head' ] );
		add_action( 'hcap_delay_api', [ $this, 'delay_api' ], 0 );
	}

	/**
	 * Print styles to fit the hcaptcha widget to the login form.
	 *
	 * @return void
	 */
	public function login_head(): void {
		$this->login_form_shown = true;

		$hcaptcha_size = hcaptcha()->settings()->get( 'size' );

		if ( 'invisible' === $hcaptcha_size ) {
			return;
		}

		HCaptcha::css_display( $this->get_style( $hcaptcha_size ) );
	}

	/**
	 * Get style.
	 *
	 * @param string $hcaptcha_size hCaptcha widget size.
	 *
	 * @return string
	 * @noinspection CssUnusedSymbol
	 */
	protected function get_style( string $hcaptcha_size ): string {
		static $style_shown;

		if ( $style_shown ) {
			return '';
		}

		$style_shown = true;
		$css         = '';

		if ( 'normal' === $hcaptcha_size ) {
			/* language=CSS */
			$css = '
	.ml-container #login {
		min-width: 350px;
	}
';
		}

		return $css;
	}

	/**
	 * Filters delay time for the hCaptcha API script.
	 *
	 * @param int|mixed $delay Number of milliseconds to delay hCaptcha API script.
	 *                         Any negative value means delay until user interaction.
	 *
	 * @return int
	 */
	public function delay_api( $delay ): int {
		// Do not delay API request on login forms for compatibility with password managers.
		return $this->login_form_shown ? 0 : (int) $delay;
	}
}
