<?php
/**
 * Booster for WooCommerce - Custom Email
 *
 * An email sent to recipient list when selected triggers are called.
 *
 * @version 3.2.4
 * @since   2.3.9
 * @author  Algoritmika Ltd.
 * @extends WC_Email
 */

if ( ! defined( 'ABSPATH' ) ) {
	exit; // Exit if accessed directly
}

if ( ! class_exists( 'WC_Email_WCJ_Custom' ) ) :

class WC_Email_WCJ_Custom extends WC_Email {

	/**
	 * Constructor
	 *
	 * @version 3.2.4
	 */
	function __construct( $id = 1 ) {

		$this->id               = 'wcj_custom' . '_' . $id;
		$this->customer_email   = ( '%customer%' === $this->get_option( 'recipient' ) );
		$this->title            = get_option( 'wcj_emails_custom_emails_admin_title_' . $id, __( 'Custom', 'woocommerce-jetpack' ) . ' #' . $id );
		$this->description      = __( 'Custom emails are sent to the recipient list when selected triggers are called.', 'woocommerce-jetpack' );

		$this->heading          = __( 'Custom Heading', 'woocommerce' );
		$this->subject          = __( '[{site_title}] Custom Subject - Order ({order_number}) - {order_date}', 'woocommerce-jetpack' );

		// Triggers for this email
		$trigger_hooks = $this->get_option( 'trigger' );
		if ( ! empty( $trigger_hooks ) && is_array( $trigger_hooks ) ) {
			$is_woocommerce_checkout_order_processed_notification_added = false;
			foreach ( $trigger_hooks as $trigger_hook ) {
				if ( false !== strpos( $trigger_hook, 'woocommerce_new_order_notification' ) && false === $is_woocommerce_checkout_order_processed_notification_added ) {
					add_action( 'woocommerce_checkout_order_processed_notification', array( $this, 'trigger' ), PHP_INT_MAX );
					$is_woocommerce_checkout_order_processed_notification_added = true;
				} else {
					add_action( $trigger_hook, array( $this, 'trigger' ), PHP_INT_MAX );
				}
			}
		}

		// Call parent constructor
		parent::__construct();

		// Other settings
		if ( ! $this->customer_email ) {
			$this->recipient = $this->get_option( 'recipient' );

			if ( ! $this->recipient ) {
				$this->recipient = get_option( 'admin_email' );
			}
		}
	}

	/**
	 * Validate Custom Textarea Field.
	 *
	 * @param   string $key
	 * @param   string|null $value Posted Value
	 * @version 2.5.6
	 * @since   2.5.6
	 * @return  string
	 */
	function validate_custom_textarea_field( $key, $value ) {
		$value = is_null( $value ) ? '' : $value;
		return stripslashes( $value );
	}

	/**
	 * Generate Custom Textarea HTML.
	 *
	 * @param   mixed $key
	 * @param   mixed $data
	 * @version 2.5.6
	 * @since   2.5.6
	 * @return  string
	 */
	function generate_custom_textarea_html( $key, $data ) {
		return $this->generate_textarea_html( $key, $data );
	}

	/**
	 * Proxy to parent's get_option and attempt to localize the result using gettext.
	 *
	 * @version 2.4.1
	 * @since   2.4.1
	 * @param   string $key
	 * @param   mixed  $empty_value
	 * @return  mixed
	 */
	function get_option( $key, $empty_value = null ) {
		$grandparent = get_parent_class( 'WC_Email' );
		$value = $grandparent::get_option( $key, $empty_value );
		return ( is_array( $value ) ) ? $value : apply_filters( 'woocommerce_email_get_option', __( $value ), $this, $value, $key, $empty_value );
	}

	/**
	 * trigger.
	 *
	 * @version 3.2.4
	 */
	function trigger( $order_id ) {

		if ( ! $this->is_enabled() ) {
			return;
		}

		if ( $order_id ) {

			$this->object = wc_get_order( $order_id ); // must be `object` as it's named so in parent class (`WC_Email`). E.g. for attachments.

			if ( $this->customer_email ) {
				$this->recipient = wcj_get_order_billing_email( $this->object );
			} elseif ( false !== strpos( $this->recipient, '%customer%' ) ) {
				$this->recipient = str_replace( '%customer%', wcj_get_order_billing_email( $this->object ), $this->recipient );
			}

			$this->find['order-date']      = '{order_date}';
			$this->find['order-number']    = '{order_number}';

			$this->replace['order-date']   = date_i18n( wc_date_format(), strtotime( wcj_get_order_date( $this->object ) ) );
			$this->replace['order-number'] = $this->object->get_order_number();

			global $post;
			if ( 'woocommerce_checkout_order_processed_notification' === current_filter() ) {
				// Check status
				$is_status_found = false;
				$trigger_hooks = $this->get_option( 'trigger' );
				foreach ( $trigger_hooks as $trigger_hook ) {
					if ( false !== ( $pos = strpos( $trigger_hook, 'woocommerce_new_order_notification' ) ) ) {
						$the_status = 'wc-' . substr( $trigger_hook, 35 );
						if ( 'wc-wcj_any_status' === $the_status || wcj_get_order_status( $this->object ) === $the_status ) {
							$is_status_found = true;
							break;
						}
					}
				}
				if ( false === $is_status_found ) {
					return;
				}
			}
			$post = ( WCJ_IS_WC_VERSION_BELOW_3 ? $this->object->post : get_post( $order_id ) );
			setup_postdata( $post );
		}

		$this->recipient = do_shortcode( $this->recipient );

		if ( ! $this->get_recipient() ) {
			if ( $order_id ) {
				wp_reset_postdata();
			}
			return;
		}

		$this->send( $this->get_recipient(), do_shortcode( $this->get_subject() ), do_shortcode( $this->get_content() ), $this->get_headers(), $this->get_attachments() );

		if ( $order_id ) {
			wp_reset_postdata();
		}
	}

	/**
	 * get_content_html.
	 *
	 * @version 3.1.0
	 * @access  public
	 * @return  string
	 * @todo    (maybe) use `wc_get_template` for custom templates (same for `get_content_plain()`)
	 */
	function get_content_html() {
		$content = $this->get_option( 'content_html_template' );
		if ( 'yes' === $this->get_option( 'wrap_in_wc_template' ) ) {
			$content = wcj_wrap_in_wc_email_template( $content, $this->get_heading() );
		}
		return do_shortcode( $content );
	}

	/**
	 * get_content_plain.
	 *
	 * @version 2.4.8
	 * @access  public
	 * @return  string
	 */
	function get_content_plain() {
		return do_shortcode( $this->get_option( 'content_plain_template' ) );
	}

	/**
	 * Initialise settings form fields.
	 *
	 * @version 3.1.0
	 * @todo    (maybe) `chosen_select` class in `trigger`
	 */
	function init_form_fields() {

		ob_start();
		include( 'email-html.php' );
		$default_html_template = ob_get_clean();
		ob_start();
		include( 'email-plain.php' );
		$default_plain_template = ob_get_clean();

		$status_change_triggers = array();
		$new_order_triggers     = array();
		$status_triggers        = array();
		$order_statuses         = wcj_get_order_statuses();
		foreach ( $order_statuses as $slug => $name ) {
			$new_order_triggers[ 'woocommerce_new_order_notification_' . $slug ] = sprintf( __( 'New order (%s)', 'woocommerce-jetpack' ), $name );
			$status_triggers[ 'woocommerce_order_status_' . $slug . '_notification' ] = sprintf( __( 'Order status updated to %s', 'woocommerce-jetpack' ), $name );
			foreach ( $order_statuses as $slug2 => $name2 ) {
				if ( $slug != $slug2 ) {
					$status_change_triggers[ 'woocommerce_order_status_' . $slug . '_to_' . $slug2 . '_notification' ] = sprintf( __( 'Order status %s to %s', 'woocommerce-jetpack' ), $name, $name2 );
				}
			}
		}

		$this->form_fields = array(
			'enabled' => array(
				'title'         => __( 'Enable/Disable', 'woocommerce' ),
				'type'          => 'checkbox',
				'label'         => __( 'Enable this email notification', 'woocommerce' ),
				'default'       => 'no',
			),
			'trigger' => array(
				'title'         => __( 'Trigger(s)', 'woocommerce-jetpack' ),
				'type'          => 'multiselect',
				'placeholder'   => '',
				'default'       => array(),
				'desc_tip'      => __( 'Please note, that all new orders in WooCommerce by default are created with Pending Payment status. If you want to change the default order status - you can use Booster\'s "Order Custom Statuses" module (in WooCommerce > Settings > Booster > Shipping & Orders > Order Custom Statuses).', 'woocommerce-jetpack' ),
				'options'       => array_merge(
					array(
						'woocommerce_new_order_notification_wcj_any_status'           => __( 'New order (Any status)', 'woocommerce-jetpack' ),
					),
					$new_order_triggers,
					$status_triggers,
					array(
						'woocommerce_reset_password_notification'                     => __( 'Reset password notification', 'woocommerce-jetpack' ),
						'woocommerce_order_fully_refunded_notification'               => __( 'Order fully refunded notification', 'woocommerce-jetpack' ),
						'woocommerce_order_partially_refunded_notification'           => __( 'Order partially refunded notification', 'woocommerce-jetpack' ),
						'woocommerce_new_customer_note_notification'                  => __( 'New customer note notification', 'woocommerce-jetpack' ),
						'woocommerce_low_stock_notification'                          => __( 'Low stock notification', 'woocommerce-jetpack' ),
						'woocommerce_no_stock_notification'                           => __( 'No stock notification', 'woocommerce-jetpack' ),
						'woocommerce_product_on_backorder_notification'               => __( 'Product on backorder notification', 'woocommerce-jetpack' ),
						'woocommerce_created_customer_notification'                   => __( 'Created customer notification', 'woocommerce-jetpack' ),
					),
					$status_change_triggers
				),
				'css'           => 'height:300px;',
			),
			'recipient' => array(
				'title'         => __( 'Recipient(s)', 'woocommerce' ),
				'type'          => 'text',
				'description'   => sprintf( __( 'Enter recipients (comma separated) for this email. Defaults to <code>%s</code>.', 'woocommerce' ), esc_attr( get_option( 'admin_email' ) ) ) . ' ' .
					__( 'Or enter <code>%customer%</code> to send to customer billing email.', 'woocommerce-jetpack' ),
				'placeholder'   => '',
				'default'       => '',
				'css'           => 'width:99%;min-width:300px;',
			),
			'subject' => array(
				'title'         => __( 'Subject', 'woocommerce' ),
				'type'          => 'text',
				'description'   => sprintf( __( 'This controls the email subject line. Leave blank to use the default subject: <code>%s</code>.', 'woocommerce' ), $this->subject ),
				'placeholder'   => '',
				'default'       => '',
				'css'           => 'width:99%;min-width:300px;',
			),
			'email_type' => array(
				'title'         => __( 'Email type', 'woocommerce' ),
				'type'          => 'select',
				'description'   => __( 'Choose which format of email to send.', 'woocommerce' ),
				'default'       => 'html',
				'class'         => 'email_type wc-enhanced-select',
				'options'       => $this->get_email_type_options(),
			),
			'wrap_in_wc_template' => array(
				'title'         => __( 'Wrap in WC Email Template', 'woocommerce' ),
				'type'          => 'checkbox',
				'default'       => 'no',
			),
			'heading' => array(
				'type'          => 'text',
				'desc_tip'      =>__( 'WC Email Heading. Used only if "Wrap in WC Email Template" is enabled and only for HTML templates.', 'woocommerce-jetpack' ),
				'description'   => sprintf( __( 'This controls the main heading contained within the email notification. Leave blank to use the default heading: <code>%s</code>.', 'woocommerce' ), $this->heading ),
				'placeholder'   => '',
				'default'       => '',
				'css'           => 'width:99%;min-width:300px;',
			),
			'content_html_template' => array(
				'title'         => __( 'HTML template', 'woocommerce' ),
				'type'          => 'custom_textarea',
				'desc_tip'      => __( 'You can use shortcodes here. E.g. Booster\'s order shortcodes.', 'woocommerce' ),
				'description'   => '',
				'placeholder'   => '',
				'default'       => $default_html_template,
				'css'           => 'width:99%;min-width:300px;height:500px;',
			),
			'content_plain_template' => array(
				'title'         => __( 'Plain text template', 'woocommerce' ),
				'type'          => 'textarea',
				'desc_tip'      => __( 'You can use shortcodes here. E.g. Booster\'s order shortcodes.', 'woocommerce' ),
				'description'   => '',
				'placeholder'   => '',
				'default'       => $default_plain_template,
				'css'           => 'width:99%;min-width:300px;height:500px;',
			),
		);
	}
}

endif;