<?php
if ( ! defined( 'ABSPATH' ) ) {
	exit;
} // Exit if accessed directly

if ( ! class_exists( 'WC_Email' ) ) {
	require_once WC()->plugin_path() . '/includes/emails/class-wc-email.php';
}

if ( ! class_exists( 'YITH_YWGC_Email_Notify_Customer' ) ) {
	/**
	 * Create and send a digital gift card to the specific recipient
	 *
	 * @since 0.1
	 * @extends \WC_Email
	 */
	class YITH_YWGC_Email_Notify_Customer extends YITH_YWGC_Mail {
		/**
		 * An introductional message from the shop owner
		 */
		public $introductory_text;

		/**
		 * Set email defaults
		 *
		 * @since 0.1
		 */
		public function __construct() {

			// set ID, this simply needs to be a unique name.
			$this->id = 'ywgc-email-notify-customer';

			// this is the title in WooCommerce Email settings.
			$this->title = __( 'YITH Gift Cards - Used Gift Card', 'yith-woocommerce-gift-cards' );

			// this is the description in WooCommerce email settings.
			$this->description = __( 'Customer notification - the gift card you have bought has been used', 'yith-woocommerce-gift-cards' );

			// these are the default heading and subject lines that can be overridden using the settings.
			$this->heading = __( 'I have appreciated your gift', 'yith-woocommerce-gift-cards' );
			$this->subject = __( '[{site_title}] Your gift card has been used', 'yith-woocommerce-gift-cards' );

			// these define the locations of the templates that this email should use, we'll just use the new order template since this email is similar.
			$this->template_html = 'emails/notify-customer.php';

			$this->introductory_text = __( 'The gift card you have sent to <code>{recipient_email}</code> has been used in our shop.', 'yith-woocommerce-gift-cards' );

			// Trigger on specific action call.
			add_action( 'ywgc_email_notify_customer_notification', array( $this, 'trigger' ) );

			parent::__construct();

			$this->email_type = 'html';
		}

		/**
		 * Send the digital gift card to the recipient
		 *
		 * @param YWGC_Gift_Card_Premium|YITH_YWGC_Gift_Card $gift_card the gift card to be sent
		 *
		 * @return bool|void
		 * @throws Exception
		 */
		public function trigger( $gift_card ) {
			$result = false;

			if ( is_numeric( $gift_card ) ) {

				$gift_card = new YWGC_Gift_Card_Premium( array( 'ID' => $gift_card ) );
			}

			if ( ! ( $gift_card instanceof YWGC_Gift_Card_Premium ) ) {
				return false;
			}

			if ( ! $gift_card->exists() ) {
				return false;
			}

			$this->object = $gift_card;
			$the_order    = wc_get_order( $gift_card->order_id );

			if ( ! $the_order ) {
				return false;
			}

			/**
			 * APPLY_FILTERS: ywgc_email_notify_customer_recipient_email
			 *
			 * Filter the recipient email for the notify customer gift card email.
			 *
			 * @param string the recipient email
			 * @param object $gift_card the gift card object
			 *
			 * @return string
			 */
			$this->recipient   = apply_filters( 'ywgc_email_notify_customer_recipient_email', $the_order->get_billing_email(), $gift_card );
			$gifted_product_id = isset( $this->object->present_product_id ) && ! empty( $this->object->present_product_id ) ? $this->object->present_product_id : $this->object->product_id;
			$product_object    = wc_get_product( $gifted_product_id );
			$product_name      = isset( $product_object ) && ! empty( $product_object ) ? $product_object->get_name() : '';

			$this->introductory_text = $this->get_option( 'introductory_text', __( 'The gift card you have sent to <code>{recipient_email}</code> has been used in our shop.', 'yith-woocommerce-gift-cards' ) );

			$this->introductory_text = str_replace(
				array( '{sender}', '{recipient_email}', '{product_name}' ),
				array( $this->object->sender_name, $this->object->recipient, $product_name ),
				$this->introductory_text
			);

			if ( $this->is_enabled() ) {
				$result = $this->send(
					$this->get_recipient(),
					$this->get_subject(),
					$this->get_content(),
					$this->get_headers(),
					$this->get_attachments()
				);
			}

			if ( $result ) {
				// Set the gift card as sent.
				$gift_card->set_as_sent();
			}

			return $result;
		}

		/**
		 * Get_content_html function.
		 *
		 * @since 0.1
		 * @return string
		 */
		public function get_content_html() {
			ob_start();
			wc_get_template(
				$this->template_html,
				array(
					'gift_card'         => $this->object,
					'introductory_text' => $this->introductory_text,
					'email_heading'     => $this->get_heading(),
					'email_type'        => $this->email_type,
					'sent_to_admin'     => false,
					'plain_text'        => false,
					'email'             => $this,
				),
				'',
				YITH_YWGC_TEMPLATES_DIR
			);

			return ob_get_clean();
		}


		/**
		 * Initialize Settings Form Fields
		 *
		 * @since 0.1
		 */
		public function init_form_fields() {
			$this->form_fields = array(
				'enabled'           => array(
					'title'                => esc_html__( 'Enable/Disable', 'yith-woocommerce-gift-cards' ),
					'type'                 => 'yith_ywgc_field',
					'yith_ywgc_field_type' => 'onoff',
					'label'                => esc_html__( 'Enable this email notification', 'yith-woocommerce-gift-cards' ),
					'default'              => 'yes',
				),
				'subject'           => array(
					'title'                => esc_html__( 'Subject', 'yith-woocommerce-gift-cards' ),
					'type'                 => 'yith_ywgc_field',
					'yith_ywgc_field_type' => 'text',
					'description'          => sprintf( __( 'Defaults to <code>%s</code>', 'yith-woocommerce-gift-cards' ), $this->subject ),
					'placeholder'          => '',
					'default'              => '',
				),
				'heading'           => array(
					'title'                => esc_html__( 'Email Heading', 'yith-woocommerce-gift-cards' ),
					'type'                 => 'yith_ywgc_field',
					'yith_ywgc_field_type' => 'text',
					'description'          => sprintf( __( 'Defaults to <code>%s</code>', 'yith-woocommerce-gift-cards' ), $this->heading ),
					'placeholder'          => '',
					'default'              => '',
				),
				'introductory_text' => array(
					'title'                => esc_html__( 'Introductive message', 'yith-woocommerce-gift-cards' ),
					'type'                 => 'yith_ywgc_field',
					'yith_ywgc_field_type' => 'textarea',
					'description'          => sprintf( __( 'Defaults to <code>%s</code>', 'yith-woocommerce-gift-cards' ), $this->introductory_text ),
					'placeholder'          => '',
					'default'              => '',
				),
			);
		}
	} // end \YITH_YWGC_Email_Notify_Customer class
}

return new YITH_YWGC_Email_Notify_Customer();
