<?php

/**
 * Class WPML_Lang_Domains_Box
 *
 * Displays the table holding the language domains on languages.php
 */
class WPML_Lang_Domains_Box extends WPML_SP_User {

	public function render() {
		$active_languages = $this->sitepress->get_active_languages();
		$default_language = $this->sitepress->get_default_language();
		$language_domains = $this->sitepress->get_setting( 'language_domains', array() );
		$default_home     = $this->sitepress->convert_url( $this->sitepress->get_wp_api()->get_home_url(), $default_language );
		$home_schema      = wpml_parse_url( $default_home, PHP_URL_SCHEME ) . '://';
		$home_path        = wpml_parse_url( $default_home, PHP_URL_PATH );
		$is_per_domain    = WPML_LANGUAGE_NEGOTIATION_TYPE_DOMAIN === (int) $this->sitepress->get_setting( 'language_negotiation_type' );
		$is_sso_enabled   = (bool) $this->sitepress->get_setting( 'language_per_domain_sso_enabled', ! $is_per_domain );
		ob_start();
		?>
        <table class="language_domains sub-section">
			<?php
			foreach ( $active_languages as $code => $lang ) {
				$text_box_id = esc_attr( 'language_domain_' . $code );
				?>
                <tr>
                    <td>
                        <label
                                for="<?php echo $text_box_id; ?>">
							<?php echo esc_html( $lang['display_name'] ); ?>
                        </label>
                    </td>
					<?php
					if ( $code === $default_language ) {
						?>
                        <td id="icl_ln_home">
                            <code>
								<?php echo esc_url( $default_home ); ?>
                            </code>
                        </td>
                        <td>&nbsp;</td>
						<?php
					} else {
						?>
                        <td style="white-space: nowrap">
                            <code><?php echo esc_html( $home_schema ); ?></code>
                            <input
                                    type="text"
                                    id="<?php echo $text_box_id; ?>"
                                    name="language_domains[<?php echo esc_attr( $code ); ?>]"
                                    value="<?php echo $this->get_language_domain( $code, $default_home, $language_domains ); ?>"
                                    data-language="<?php echo esc_attr( $code ); ?>"
                                    size="30"/>
							<?php if ( isset( $home_path[1] ) ) { ?>
                                <code><?php echo esc_html( $home_path ); ?></code>
							<?php } ?>
                        </td>
                        <td>
                            <p style="white-space: nowrap"><input
                                        class="validate_language_domain"
                                        type="checkbox"
                                        id="validate_language_domains_<?php echo esc_attr( $code ); ?>"
                                        name="validate_language_domains[]"
                                        value="<?php echo esc_attr( $code ); ?>"
                                        checked="checked"/>
                                <label
                                        for="validate_language_domains_<?php echo esc_attr( $code ); ?>">
									<?php esc_html_e( 'Validate on save', 'sitepress' ); ?>
                                </label>
                            </p>
                            <p style="white-space: nowrap">
                                <span class="spinner spinner-<?php echo esc_attr( $code ); ?>"></span>
                                <span id="ajx_ld_<?php echo esc_attr( $code ); ?>"></span>
                            </p>
                        </td>
						<?php
					}
					?>
                </tr>
				<?php
			}
			?>
            <tr>
                <td colspan="2">
                    <label for="sso_enabled">
                        <input type="checkbox" id="sso_enabled" name="sso_enabled"
                               value="1" <?php checked( $is_sso_enabled, true, true ); ?>>
						<?php esc_html_e( 'Auto sign-in and sign-out users from all domains', 'sitepress' ); ?>
                    </label>
                    <span id="sso_information"><i class="otgs-ico-help"></i></span>
                    <div id="sso_enabled_notice" style="display: none;">
						<?php esc_html_e( 'Please log-out and login again in order to be able to access the admin features in all language domains.', 'sitepress' ); ?>
                    </div>
                </td>
            </tr>
        </table>
        <div id="language_per_domain_sso_description" style="display:none;">
            <p>
				<?php
				/* translators: this is the first of two sentences explaining the "Auto sign-in and sign-out users from all domains" feature */
				echo esc_html_x( 'This feature allows the theme and plugins to work correctly when on sites that use languages in domains.', 'Tooltip: Auto sign-in and sign-out users from all domains', 'sitepress' );
				?>
                <br>
				<?php
				/* translators: this is the second of two sentences explaining the "Auto sign-in and sign-out users from all domains" feature */
				echo esc_html_x( "It requires a call to each of the site's language domains on both log-in and log-out, so there's a small performance penalty to using it.", 'Tooltip: Auto sign-in and sign-out users from all domains', 'sitepress' );
				?>
            </p>
        </div>
		<?php

		return ob_get_clean();
	}

	/**
	 * @param string   $code
	 * @param string   $default_home
	 * @param string[] $language_domains
	 *
	 * @return string
	 */
	private function get_language_domain( $code, $default_home, $language_domains ) {
		$home_schema = wpml_parse_url( $default_home, PHP_URL_SCHEME ) . '://';
		$home_path   = wpml_parse_url( $default_home, PHP_URL_PATH );
		if ( isset( $language_domains[ $code ] ) ) {
			$pattern             = [
				'#^' . $home_schema . '#',
				'#' . $home_path . '$#',
			];
			$language_domain_raw = preg_replace( $pattern, '', $language_domains[ $code ] );
		} else {
			$language_domain_raw = $this->render_suggested_url( $default_home, $code );
		}

		return filter_var( $language_domain_raw, FILTER_SANITIZE_URL );
	}

	private function render_suggested_url( $home, $lang ) {
		$url_parts     = parse_url( $home );
		$exp           = explode( '.', $url_parts['host'] );
		$suggested_url = $lang . '.';
		array_shift( $exp );
		$suggested_url .= count( $exp ) < 2 ? $url_parts['host'] : implode( '.', $exp );

		return $suggested_url;
	}
}
