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<?php

defined('ABSPATH') || exit;
class WC_Order_Item_Fee extends WC_Order_Item
{
    protected $extra_data = array('tax_class' => '', 'tax_status' => 'taxable', 'amount' => '', 'total' => '', 'total_tax' => '', 'taxes' => array('total' => array()));
    protected function get_tax_class_costs($order)
    {
        $order_item_tax_classes = $order->get_items_tax_classes();
        $costs = array_fill_keys($order_item_tax_classes, 0);
        $costs['non-taxable'] = 0;
        foreach ($order->get_items(array('line_item', 'fee', 'shipping')) as $item) {
            if (0 > $item->get_total()) {
                continue;
            }
            if ('taxable' !== $item->get_tax_status()) {
                $costs['non-taxable'] += $item->get_total();
            } elseif ('inherit' === $item->get_tax_class()) {
                $inherit_class = reset($order_item_tax_classes);
                $costs[$inherit_class] += $item->get_total();
            } else {
                $costs[$item->get_tax_class()] += $item->get_total();
            }
        }
        return array_filter($costs);
    }
    public function calculate_taxes($calculate_tax_for = array())
    {
        if (!isset($calculate_tax_for['country'], $calculate_tax_for['state'], $calculate_tax_for['postcode'], $calculate_tax_for['city'])) {
            return false;
        }
        if (0 <= $this->get_total()) {
            return parent::calculate_taxes($calculate_tax_for);
        }
        if (wc_tax_enabled() && $this->get_order()) {
            $order = $this->get_order();
            $tax_class_costs = $this->get_tax_class_costs($order);
            $total_costs = array_sum($tax_class_costs);
            $discount_taxes = array();
            if ($total_costs) {
                foreach ($tax_class_costs as $tax_class => $tax_class_cost) {
                    if ('non-taxable' === $tax_class) {
                        continue;
                    }
                    $proportion = $tax_class_cost / $total_costs;
                    $cart_discount_proportion = $this->get_total() * $proportion;
                    $calculate_tax_for['tax_class'] = $tax_class;
                    $tax_rates = WC_Tax::find_rates($calculate_tax_for);
                    $discount_taxes = wc_array_merge_recursive_numeric($discount_taxes, WC_Tax::calc_tax($cart_discount_proportion, $tax_rates));
                }
            }
            $this->set_taxes(array('total' => $discount_taxes));
        } else {
            $this->set_taxes(false);
        }
        do_action('woocommerce_order_item_fee_after_calculate_taxes', $this, $calculate_tax_for);
        return true;
    }
    public function set_amount($value)
    {
        $this->set_prop('amount', wc_format_decimal($value));
    }
    public function set_tax_class($value)
    {
        if ($value && !in_array($value, WC_Tax::get_tax_class_slugs(), true)) {
            $this->error('order_item_fee_invalid_tax_class', __('Invalid tax class', 'woocommerce'));
        }
        $this->set_prop('tax_class', $value);
    }
    public function set_tax_status($value)
    {
        if (in_array($value, array('taxable', 'none'), true)) {
            $this->set_prop('tax_status', $value);
        } else {
            $this->set_prop('tax_status', 'taxable');
        }
    }
    public function set_total($amount)
    {
        $this->set_prop('total', wc_format_decimal($amount));
    }
    public function set_total_tax($amount)
    {
        $this->set_prop('total_tax', wc_format_decimal($amount));
    }
    public function set_taxes($raw_tax_data)
    {
        $raw_tax_data = maybe_unserialize($raw_tax_data);
        $tax_data = array('total' => array());
        if (!empty($raw_tax_data['total'])) {
            $tax_data['total'] = array_map('wc_format_decimal', $raw_tax_data['total']);
        }
        $this->set_prop('taxes', $tax_data);
        if ('yes' === get_option('woocommerce_tax_round_at_subtotal')) {
            $this->set_total_tax(array_sum($tax_data['total']));
        } else {
            $this->set_total_tax(array_sum(array_map('wc_round_tax_total', $tax_data['total'])));
        }
    }
    public function get_amount($context = 'view')
    {
        return $this->get_prop('amount', $context);
    }
    public function get_name($context = 'view')
    {
        $name = $this->get_prop('name', $context);
        if ('view' === $context) {
            return $name ? $name : __('Fee', 'woocommerce');
        } else {
            return $name;
        }
    }
    public function get_type()
    {
        return 'fee';
    }
    public function get_tax_class($context = 'view')
    {
        return $this->get_prop('tax_class', $context);
    }
    public function get_tax_status($context = 'view')
    {
        return $this->get_prop('tax_status', $context);
    }
    public function get_total($context = 'view')
    {
        return $this->get_prop('total', $context);
    }
    public function get_total_tax($context = 'view')
    {
        return $this->get_prop('total_tax', $context);
    }
    public function get_taxes($context = 'view')
    {
        return $this->get_prop('taxes', $context);
    }
    public function offsetGet($offset)
    {
        if ('line_total' === $offset) {
            $offset = 'total';
        } elseif ('line_tax' === $offset) {
            $offset = 'total_tax';
        } elseif ('line_tax_data' === $offset) {
            $offset = 'taxes';
        }
        return parent::offsetGet($offset);
    }
    public function offsetSet($offset, $value)
    {
        wc_deprecated_function('WC_Order_Item_Fee::offsetSet', '4.4.0', '');
        if ('line_total' === $offset) {
            $offset = 'total';
        } elseif ('line_tax' === $offset) {
            $offset = 'total_tax';
        } elseif ('line_tax_data' === $offset) {
            $offset = 'taxes';
        }
        parent::offsetSet($offset, $value);
    }
    public function offsetExists($offset)
    {
        if (in_array($offset, array('line_total', 'line_tax', 'line_tax_data'), true)) {
            return true;
        }
        return parent::offsetExists($offset);
    }
}