<?php
/**
 * International Shipping Method based on Flat Rate shipping
 * 
 * A simple shipping method for a flat fee per item or per order.
 *
 * @class 		WC_International_Delivery
 * @package		WooCommerce
 * @category	Shipping
 * @author		WooThemes
 */  
class WC_International_Delivery extends WC_Flat_Rate {
	
	function __construct() { 
        $this->id 			= 'international_delivery';
        $this->method_title = __('International Delivery', 'woocommerce');

		// Load the form fields.
		$this->init_form_fields();
		
		// Load the settings.
		$this->init_settings();
		
		// Define user set variables
        $this->enabled		= $this->settings['enabled'];
		$this->title 		= $this->settings['title'];
		$this->exclude_countries 	= $this->settings['exclude_countries'];
		$this->type 		= $this->settings['type'];
		$this->tax_status	= $this->settings['tax_status'];
		$this->cost 		= $this->settings['cost'];
		$this->fee 			= $this->settings['fee']; 
		
		// Flat rates
		$this->flat_rate_option = 'woocommerce_international_delivery_flat_rates';
		$this->admin_page_heading = __('International Delivery', 'woocommerce');
		$this->admin_page_description = __('International delivery based on flat rate shipping.', 'woocommerce');
		$this->get_flat_rates();
		
		// Actions
		add_action('woocommerce_update_options_shipping_methods', array(&$this, 'process_admin_options'));
		add_action('woocommerce_update_options_shipping_methods', array(&$this, 'process_flat_rates'));
    } 

	/**
     * Initialise Gateway Settings Form Fields
     */
    function init_form_fields() {
    	global $woocommerce;
    
    	$this->form_fields = array(
			'enabled' => array(
							'title' 		=> __( 'Enable/Disable', 'woocommerce' ), 
							'type' 			=> 'checkbox', 
							'label' 		=> __( 'Enable this shipping method', 'woocommerce' ), 
							'default' 		=> 'no'
						), 
			'title' => array(
							'title' 		=> __( 'Method Title', 'woocommerce' ), 
							'type' 			=> 'text', 
							'description' 	=> __( 'This controls the title which the user sees during checkout.', 'woocommerce' ), 
							'default'		=> __( 'International Delivery', 'woocommerce' )
						),
			'exclude_countries' => array(
							'title' 		=> __( 'Availability: Exclude Countries', 'woocommerce' ), 
							'type' 			=> 'multiselect', 
							'class'			=> 'chosen_select',
							'css'			=> 'width: 450px;',
							'default' 		=> '',
							'options'		=> $woocommerce->countries->countries
						),
			'type' => array(
							'title' 		=> __( 'Calculation Type', 'woocommerce' ), 
							'type' 			=> 'select', 
							'description' 	=> '', 
							'default' 		=> 'order',
							'options' 		=> array(
								'order' 	=> __('Per Order - charge shipping for the entire order as a whole', 'woocommerce'),
								'item' 		=> __('Per Item - charge shipping for each item individually', 'woocommerce'),
								'class' 	=> __('Per Class - charge shipping for each shipping class in an order', 'woocommerce')
							)
						),
			'tax_status' => array(
							'title' 		=> __( 'Tax Status', 'woocommerce' ), 
							'type' 			=> 'select', 
							'description' 	=> '', 
							'default' 		=> 'taxable',
							'options'		=> array(
								'taxable' 	=> __('Taxable', 'woocommerce'),
								'none' 		=> __('None', 'woocommerce')
							)
						),
			'cost' => array(
							'title' 		=> __( 'Default Cost', 'woocommerce' ), 
							'type' 			=> 'text', 
							'description'	=> __('Cost excluding tax. Enter an amount, e.g. 2.50.', 'woocommerce'),
							'default' 		=> ''
						), 
			'fee' => array(
							'title' 		=> __( 'Default Handling Fee', 'woocommerce' ), 
							'type' 			=> 'text', 
							'description'	=> __('Fee excluding tax. Enter an amount, e.g. 2.50, or a percentage, e.g. 5%. Leave blank to disable.', 'woocommerce'),
							'default'		=> ''
						),
			);
    
    } // End init_form_fields()


	/**
     * Availability
     */
    function is_available() {
    	global $woocommerce;
    	
    	if ($this->enabled=="no") return false;
		
		if (is_array($this->exclude_countries)) :
			if (in_array($woocommerce->customer->get_shipping_country(), $this->exclude_countries)) return false;
		endif;
		
		return apply_filters( 'woocommerce_shipping_' . $this->id . '_is_available', true );
    } 
    
}

function add_international_delivery_method( $methods ) {
	$methods[] = 'WC_International_Delivery'; return $methods;
}

add_filter('woocommerce_shipping_methods', 'add_international_delivery_method' );