<?php
/**
 * Donor Register Email
 *
 * @package     Give
 * @subpackage  Classes/Emails
 * @copyright   Copyright (c) 2019, GiveWP
 * @license     https://opensource.org/licenses/gpl-license GNU Public License
 * @since       2.0
 */

// Exit if access directly.
if ( ! defined( 'ABSPATH' ) ) {
	exit;
}

if ( ! class_exists( 'Give_Donor_Register_Email' ) ) :

	/**
	 * Give_Donor_Register_Email
	 *
	 * @abstract
	 * @since       2.0
	 */
	class Give_Donor_Register_Email extends Give_Email_Notification {

		/**
		 * Create a class instance.
		 *
		 * @access  public
		 * @since   2.0
		 */
		public function init() {

			$args = array(
				'id'                    => 'donor-register',
				'label'                 => __( 'User Registration Information', 'give' ),
				'description'           => __( 'Sent to the donor when they register for an account on the site when giving.', 'give' ),
				'notification_status'   => 'enabled',
				'form_metabox_setting'  => false,
				'recipient_group_name'  => __( 'Donor', 'give' ),
				'email_tag_context'     => array( 'donor', 'general' ),
				'default_email_subject' => sprintf(
					/* translators: %s: site name */
					esc_attr__( '[%s] Your username and password', 'give' ),
					get_bloginfo( 'name' )
				),
				'default_email_message' => $this->get_default_email_message(),
				'default_email_header'  => __( 'New User Registration', 'give' ),
			);

			$this->load( $args );

			// Setup action hook.
			add_action(
				"give_{$this->config['id']}_email_notification",
				array( $this, 'setup_email_notification' ),
				10,
				2
			);

			add_filter(
				'give_email_preview_header',
				array( $this, 'email_preview_header' ),
				10,
				2
			);
		}

		/**
		 * Get default email message.
		 *
		 * @return string
		 * @since  2.0
		 * @access public
		 */
		function get_default_email_message() {
			$message  = esc_attr__( 'Dear {name}', 'give' ) . "\r\n\r\n";
			$message .= esc_attr__( 'A user account has been created for you on {site_url}. You may access your account at anytime by using "{username}" to log in.', 'give' ) . "\r\n\r\n";
			$message .= __( 'To reset your password, simply click the link below to create a new password:', 'give' ) . "\r\n\n";
			$message .= '{reset_password_link}' . "\r\n\r\n";
			$message .= __( 'You can log in to your account using the link below:', 'give' );
			$message .= "\r\n\r\n";
			$message .= '<a href="' . wp_login_url() . '"> ' . esc_attr__( 'Click Here to Log In &raquo;', 'give' ) . '</a>';
			$message .= "\r\n\r\n";
			$message .= __( 'Sincerely', 'give' ) . "\r\n" . '{sitename}';

			/**
			 * Filter the default email message
			 *
			 * @since 2.0
			 */
			return apply_filters(
				"give_{$this->config['id']}_get_default_email_message",
				$message,
				$this
			);
		}

		/**
		 * Setup and send new donor register notifications.
		 *
		 * @param int   $user_id   User ID.
		 * @param array $user_data User Information.
		 *
		 * @return string
		 * @since  2.0
		 * @access public
		 */
		public function setup_email_notification( $user_id, $user_data ) {
			if ( ! is_int( $user_id ) || ! $user_id ) {
				wp_die(
					esc_html__( 'Cheatin&#8217; uh?', 'give' ),
					esc_html__( 'Error', 'give' ),
					array(
						'response' => 400,
					)
				);
			}

			$this->setup_email_data();

			$this->recipient_email = $user_data['email'];

			$this->send_email_notification(
				array(
					'user_id' => $user_id,
				)
			);
		}

		/**
		 * email preview header.
		 *
		 * @param string                    $email_preview_header
		 * @param Give_Donor_Register_Email $email
		 *
		 * @return bool
		 * @since  2.0
		 * @access public
		 */
		public function email_preview_header( $email_preview_header, $email ) {
			// Bailout.
			if ( $this->config['id'] !== $email->config['id'] ) {
				return $email_preview_header;
			}

			// Payment receipt switcher
			$user_id = give_check_variable( give_clean( $_GET ), 'isset', 0, 'user_id' );

			// Get payments.
			$donors  = new Give_API();
			$donors  = give_check_variable( $donors->get_donors(), 'empty', array(), 'donors' );
			$options = array();

			// Default option.
			$options[0] = esc_html__( 'No donor(s) found.', 'give' );

			// Provide nice human readable options.
			if ( $donors ) {
				$options[0] = esc_html__( '- Select a donor -', 'give' );
				foreach ( $donors as $donor ) {
					// Exclude customers for which wp user not exist.
					if ( ! $donor['info']['user_id'] ) {
						continue;
					}
					$options[ $donor['info']['user_id'] ] = esc_html( '#' . $donor['info']['donor_id'] . ' - ' . $donor['info']['email'] );
				}
			}

			$request_url_data = wp_parse_url( $_SERVER['REQUEST_URI'] );
			$query            = $request_url_data['query'];

			// Remove user id query param if set from request url.
			$query = remove_query_arg( array( 'user_id' ), $query );

			$request_url = esc_url_raw( home_url( '/?' . str_replace( '', '', $query ) ) );
			?>

			<!-- Start constructing HTML output.-->
			<div
				style="margin:0;padding:10px 0;width:100%;background-color:#FFF;border-bottom:1px solid #eee; text-align:center;">

				<script type="text/javascript">
					function change_preview() {
						var transactions = document.getElementById( "give_preview_email_user_id" );
						var selected_trans = transactions.options[ transactions.selectedIndex ];
						if ( selected_trans ) {
							var url_string = "<?php echo $request_url; ?>&user_id=" + selected_trans.value;
							window.location = url_string;
						}
					}
				</script>

				<label for="give_preview_email_user_id" style="font-size:12px;color:#333;margin:0 4px 0 0;">
					<?php echo esc_html__( 'Preview email with a donor:', 'give' ); ?>
				</label>

				<?php
				// The select field with 100 latest transactions
				echo Give()->html->select(
					array(
						'name'             => 'preview_email_user_id',
						'selected'         => $user_id,
						'id'               => 'give_preview_email_user_id',
						'class'            => 'give-preview-email-donor-id',
						'options'          => $options,
						'chosen'           => false,
						'select_atts'      => 'onchange="change_preview()"',
						'show_option_all'  => false,
						'show_option_none' => false,
					)
				);
				?>
			</div>
			<?php
		}
	}

endif; // End class_exists check

return Give_Donor_Register_Email::get_instance();