<?php

class Wiaas_Admin_Order_Process_Flow {

	public static function init() {
        add_action('add_meta_boxes', array(__CLASS__, 'create_custom_meta_box'), 100);
	}

    public static function create_custom_meta_box() {
        add_meta_box(
            'order_process_flow_meta_box',
            __('Order Process Flow', 'cmb'),
            'Wiaas_Admin_Order_Process_Flow::add_process_flow_meta_box',
            'shop_order',
            'normal',
            'default'
		);
		
		add_meta_box(
            'order_delivery_dates_meta_box',
            __('Delivery dates', 'cmb'),
            'Wiaas_Admin_Order_Process_Flow::add_delivery_dates_meta_box',
            'shop_order',
            'normal',
            'default'
		);
	}
	
	public static function add_process_flow_meta_box(){
		global $post;

		$order_id = $post->ID;

		$process = Wiaas_Delivery_Process::get_order_delivery_process($order_id);

		if ($process === NULL){
			$list_of_delivery_processes = Wiaas_Delivery_Process::get_available_delivery_processes();
			require 'views/html-order-select-delivery-process.php';
		}else{
			$title = $process['name'];
			$steps = $process['steps'];

			require 'views/html-order-process-flow.php';
		}
		
	}

	public static function add_delivery_dates_meta_box(){
		// global $post;

		// $order_id = $post->ID;

		// $suppliers = Wiaas_Order::get_suppliers($order_id);
		
		// require 'views/html-order-delivery-dates.php';
		
	}
}

Wiaas_Admin_Order_Process_Flow::init();