<?php
namespace WPO\WC\PDF_Invoices\Documents;

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

if ( ! class_exists( '\\WPO\\WC\\PDF_Invoices\\Documents\\Proforma' ) ) :

/**
 * Proforma Invoice Document
 * 
 * @class       \WPO\WC\PDF_Invoices\Documents\Proforma
 * @version     2.0
 * @category    Class
 * @author      Ewout Fernhout
 */

class Proforma extends Pro_Document {
	/**
	 * Init/load the order object.
	 *
	 * @param  int|object|WC_Order $order Order to init.
	 */
	public function __construct( $order = 0 ) {
		// set properties
		$this->type  = 'proforma';
		$this->title = __( 'Proforma Invoice', 'wpo_wcpdf_pro' );
		$this->icon  = WPO_WCPDF_Pro()->plugin_url() . "/assets/images/proforma.svg";

		// Call parent constructor
		parent::__construct( $order );
		
		// Determine numbering system (main invoice number or separate document sequence)
		add_filter( 'wpo_wcpdf_document_sequential_number_store', array( $this, 'get_number_sequence' ), 1, 2 );
	}

	public function get_title() {
		// override/not using $this->title to allow for language switching!
		return apply_filters( "wpo_wcpdf_{$this->slug}_title", __( 'Proforma Invoice', 'wpo_wcpdf_pro' ), $this );
	}

	public function get_number_title() {
		return apply_filters( "wpo_wcpdf_{$this->slug}_number_title", __( 'Proforma Invoice Number:', 'wpo_wcpdf_pro' ), $this );
	}

	public function get_date_title() {
		return apply_filters( "wpo_wcpdf_{$this->slug}_date_title", __( 'Proforma Invoice Date:', 'wpo_wcpdf_pro' ), $this );
	}

	public function get_filename( $context = 'download', $args = array() ) {
		$order_count = isset( $args['order_ids'] ) ? count($args['order_ids']) : 1;
		$name        = _n( 'proforma-invoice', 'proforma-invoices', $order_count, 'wpo_wcpdf_pro' );

		if ( $order_count == 1 ) {
			if ( isset( $this->settings['display_number'] ) ) {
				$suffix = (string) $this->get_number();
			} else {
				if ( empty( $this->order ) ) {
					$order  = wc_get_order( $order_ids[0] );
					$suffix = method_exists( $order, 'get_order_number' ) ? $order->get_order_number() : '';
				} else {
					$suffix = method_exists( $this->order, 'get_order_number' ) ? $this->order->get_order_number() : '';
				}
			}
		} else {
			$suffix = date('Y-m-d'); // 2020-11-11
		}

		$filename = $name . '-' . $suffix . '.pdf';

		// Filter filename
		$order_ids = isset( $args['order_ids'] ) ? $args['order_ids'] : array( $this->order_id );
		$filename  = apply_filters( 'wpo_wcpdf_filename', $filename, $this->get_type(), $order_ids, $context );

		// sanitize filename (after filters to prevent human errors)!
		return sanitize_file_name( $filename );
	}


	/**
	 * Initialise settings
	 */
	public function init_settings() {
		// Register settings.
		$page = $option_group = $option_name = 'wpo_wcpdf_documents_settings_proforma';

		$settings_fields = array(
			array(
				'type'     => 'section',
				'id'       => 'proforma',
				'title'    => '',
				'callback' => 'section',
			),
			array(
				'type'     => 'setting',
				'id'       => 'enabled',
				'title'    => __( 'Enable', 'woocommerce-pdf-invoices-packing-slips' ),
				'callback' => 'checkbox',
				'section'  => 'proforma',
				'args'     => array(
					'option_name' => $option_name,
					'id'          => 'enabled',
				)
			),
			array(
				'type'     => 'setting',
				'id'       => 'attach_to_email_ids',
				'title'    => __( 'Attach to:', 'woocommerce-pdf-invoices-packing-slips' ),
				'callback' => 'multiple_checkboxes',
				'section'  => 'proforma',
				'args'     => array(
					'option_name'     => $option_name,
					'id'              => 'attach_to_email_ids',
					'fields_callback' => array( $this, 'get_wc_emails' ),
					'description'     => ! is_writable( WPO_WCPDF()->main->get_tmp_path( 'attachments' ) ) ? '<span class="wpo-warning">' . sprintf( __( 'It looks like the temp folder (<code>%s</code>) is not writable, check the permissions for this folder! Without having write access to this folder, the plugin will not be able to email invoices.', 'woocommerce-pdf-invoices-packing-slips' ), WPO_WCPDF()->main->get_tmp_path( 'attachments' ) ).'</span>' : '',
				)
			),
			array(
				'type'     => 'setting',
				'id'       => 'disable_for_statuses',
				'title'    => __( 'Disable for:', 'woocommerce-pdf-invoices-packing-slips' ),
				'callback' => 'select',
				'section'  => 'proforma',
				'args'     => array(
					'option_name'      => $option_name,
					'id'               => 'disable_for_statuses',
					'options_callback' => 'wc_get_order_statuses',
					'multiple'         => true,
					'enhanced_select'  => true,
					'placeholder'      => __( 'Select one or more statuses', 'woocommerce-pdf-invoices-packing-slips' ),
				)
			),
			array(
				'type'     => 'setting',
				'id'       => 'display_shipping_address',
				'title'    => __( 'Display shipping address', 'woocommerce-pdf-invoices-packing-slips' ),
				'callback' => 'select',
				'section'  => 'proforma',
				'args'     => array(
					'option_name' => $option_name,
					'id'          => 'display_shipping_address',
					'options'     => array(
						''               => __( 'No' , 'woocommerce-pdf-invoices-packing-slips' ),
						'when_different' => __( 'Only when different from billing address' , 'woocommerce-pdf-invoices-packing-slips' ),
						'always'         => __( 'Always' , 'woocommerce-pdf-invoices-packing-slips' ),
					),
				)
			),
			array(
				'type'     => 'setting',
				'id'       => 'display_email',
				'title'    => __( 'Display email address', 'woocommerce-pdf-invoices-packing-slips' ),
				'callback' => 'checkbox',
				'section'  => 'proforma',
				'args'     => array(
					'option_name' => $option_name,
					'id'          => 'display_email',
				)
			),
			array(
				'type'     => 'setting',
				'id'       => 'display_phone',
				'title'    => __( 'Display phone number', 'woocommerce-pdf-invoices-packing-slips' ),
				'callback' => 'checkbox',
				'section'  => 'proforma',
				'args'     => array(
					'option_name' => $option_name,
					'id'          => 'display_phone',
				)
			),
			array(
				'type'     => 'setting',
				'id'       => 'display_customer_notes',
				'title'    => __( 'Display customer notes', 'woocommerce-pdf-invoices-packing-slips' ),
				'callback' => 'checkbox',
				'section'  => 'proforma',
				'args'     => array(
					'option_name'     => $option_name,
					'id'              => 'display_customer_notes',
					'store_unchecked' => true,
					'default'         => 1,
				)
			),
			array(
				'type'     => 'setting',
				'id'       => 'display_date',
				'title'    => __( 'Display proforma invoice date', 'wpo_wcpdf_pro' ),
				'callback' => 'select',
				'section'  => 'proforma',
				'args'     => array(
					'option_name' => $option_name,
					'id'          => 'display_date',
					'options'     => array(
						''           => __( 'No' , 'woocommerce-pdf-invoices-packing-slips' ),
						'1'          => __( 'Proforma Invoice Date' , 'wpo_wcpdf_pro' ),
						'order_date' => __( 'Order Date' , 'woocommerce-pdf-invoices-packing-slips' ),
					),
				)
			),
			array(
				'type'     => 'setting',
				'id'       => 'display_number',
				'title'    => __( 'Display proforma invoice number', 'wpo_wcpdf_pro' ),
				'callback' => 'checkbox',
				'section'  => 'proforma',
				'args'     => array(
					'option_name' => $option_name,
					'id'          => 'display_number',
				)
			),
			array(
				'type'     => 'setting',
				'id'       => 'number_sequence',
				'title'    => __( 'Number sequence', 'wpo_wcpdf_pro' ),
				'callback' => 'radio_button',
				'section'  => 'proforma',
				'args'     => array(
					'option_name' => $option_name,
					'id'          => 'number_sequence',
					'options'     => array(
						'invoice_number'  => __( 'Main invoice numbering' , 'wpo_wcpdf_pro' ),
						'proforma_number' => __( 'Separate proforma numbering' , 'wpo_wcpdf_pro' ),
					),
					'default'     => 'proforma_number',
				)
			),
			array(
				'type'     => 'setting',
				'id'       => 'next_proforma_number',
				'title'    => __( 'Next proforma invoice number (without prefix/suffix etc.)', 'wpo_wcpdf_pro' ),
				'callback' => 'next_number_edit',
				'section'  => 'proforma',
				'args'     => array(
					'store_callback' => array( $this, 'get_sequential_number_store' ),
					'size'        => '10',
					'description' => __( 'This is the number that will be used for the next document. By default, numbering starts from 1 and increases for every new document. Note that if you override this and set it lower than the current/highest number, this could create duplicate numbers!', 'woocommerce-pdf-invoices-packing-slips' ),
				)
			),
			array(
				'type'     => 'setting',
				'id'       => 'number_format',
				'title'    => __( 'Number format', 'woocommerce-pdf-invoices-packing-slips' ),
				'callback' => 'multiple_text_input',
				'section'  => 'proforma',
				'args'     => array(
					'option_name' => $option_name,
					'id'          => 'number_format',
					'fields'      => array(
						'prefix'  => array(
							'placeholder' => __( 'Prefix' , 'woocommerce-pdf-invoices-packing-slips' ),
							'size'        => 20,
							'description' => __( 'to use the proforma invoice year and/or month, use [proforma_year] or [proforma_month] respectively' , 'woocommerce-pdf-invoices-packing-slips' ),
						),
						'suffix'  => array(
							'placeholder' => __( 'Suffix' , 'woocommerce-pdf-invoices-packing-slips' ),
							'size'        => 20,
							'description' => '',
						),
						'padding' => array(
							'placeholder' => __( 'Padding' , 'woocommerce-pdf-invoices-packing-slips' ),
							'size'        => 20,
							'type'        => 'number',
							'description' => __( 'enter the number of digits here - enter "6" to display 42 as 000042' , 'woocommerce-pdf-invoices-packing-slips' ),
						),
					),
				)
			),
			array(
				'type'     => 'setting',
				'id'       => 'reset_number_yearly',
				'title'    => __( 'Reset proforma invoice number yearly', 'wpo_wcpdf_pro' ),
				'callback' => 'checkbox',
				'section'  => 'proforma',
				'args'     => array(
					'option_name' => $option_name,
					'id'          => 'reset_number_yearly',
				)
			),
			array(
				'type'     => 'setting',
				'id'       => 'my_account_buttons',
				'title'    => __( 'Allow My Account download', 'woocommerce-pdf-invoices-packing-slips' ),
				'callback' => 'select',
				'section'  => 'proforma',
				'args'     => array(
					'option_name' => $option_name,
					'id'          => 'my_account_buttons',
					'options'     => array(
						'no_invoice' => __( 'Only when the final invoice is not available' , 'wpo_wcpdf_pro' ),
						'available'  => __( 'Only when a proforma invoice is already created/emailed' , 'wpo_wcpdf_pro' ),
						'custom'     => __( 'Only for specific order statuses (define below)' , 'woocommerce-pdf-invoices-packing-slips' ),
						'always'     => __( 'Always' , 'woocommerce-pdf-invoices-packing-slips' ),
						'never'      => __( 'Never' , 'woocommerce-pdf-invoices-packing-slips' ),
					),
					'default'     => 'no_invoice',
					'custom'      => array(
						'type' => 'multiple_checkboxes',
						'args' => array(
							'option_name'     => $option_name,
							'id'              => 'my_account_restrict',
							'fields_callback' => array( $this, 'get_wc_order_status_list' ),
						),
					),
				)
			),
			array(
				'type'     => 'setting',
				'id'       => 'disable_free',
				'title'    => __( 'Disable for free products', 'woocommerce-pdf-invoices-packing-slips' ),
				'callback' => 'checkbox',
				'section'  => 'proforma',
				'args'     => array(
					'option_name' => $option_name,
					'id'          => 'disable_free',
					'description' => __( "Disable automatic creation/attachment when only free products are ordered", 'woocommerce-pdf-invoices-packing-slips' ),
				)
			),
			array(
				'type'     => 'setting',
				'id'       => 'use_latest_settings',
				'title'    => __( 'Always use most current settings', 'woocommerce-pdf-invoices-packing-slips' ),
				'callback' => 'checkbox',
				'section'  => 'proforma',
				'args'     => array(
					'option_name' => $option_name,
					'id'          => 'use_latest_settings',
					'description' => __( "When enabled, the document will always reflect the most current settings (such as footer text, document name, etc.) rather than using historical settings.", 'woocommerce-pdf-invoices-packing-slips' )
					                . "<br>"
					                . __( "<strong>Caution:</strong> enabling this will also mean that if you change your company name or address in the future, previously generated documents will also be affected.", 'woocommerce-pdf-invoices-packing-slips' ),
				)
			),
		);

		// allow plugins to alter settings fields
		$settings_fields = apply_filters( 'wpo_wcpdf_settings_fields_documents_proforma', $settings_fields, $page, $option_group, $option_name );
		WPO_WCPDF()->settings->add_settings_fields( $settings_fields, $page, $option_group, $option_name );
		return;

	}

}

endif; // class_exists

return new Proforma();