# -*- coding: utf-8 -*-
# Part of Odoo. See LICENSE file for full copyright and licensing details.

from odoo import api, models, fields


class PurchaseOrder(models.Model):
    _inherit = 'purchase.order'

    dropship_picking_count = fields.Integer("Dropship Count", compute='_compute_incoming_picking_count')

    @api.depends('picking_ids.is_dropship')
    def _compute_incoming_picking_count(self):
        super()._compute_incoming_picking_count()
        for order in self:
            dropship_count = len(order.picking_ids.filtered(lambda p: p.is_dropship))
            order.incoming_picking_count -= dropship_count
            order.dropship_picking_count = dropship_count

    def action_view_picking(self):
        return self._get_action_view_picking(self.picking_ids.filtered(lambda p: not p.is_dropship))

    def action_view_dropship(self):
        return self._get_action_view_picking(self.picking_ids.filtered(lambda p: p.is_dropship))


class PurchaseOrderLine(models.Model):
    _inherit = 'purchase.order.line'

    def _prepare_stock_moves(self, picking):
        res = super(PurchaseOrderLine, self)._prepare_stock_moves(picking)
        for re in res:
            re['sale_line_id'] = self.sale_line_id.id
            if self.order_id.dest_address_id:
                # In a dropshipping context we do not need the description of the purchase order or it will be displayed
                # in Delivery slip report and it may be confusing for the customer to see several times the same text (product name + description_picking).
                product = self.product_id.with_context(lang=self.order_id.dest_address_id.lang or self.env.user.lang)
                re['description_picking'] = product._get_description(
                    self.env['stock.picking.type'].browse(re['picking_type_id'])
                )
        return res

    def _find_candidate(self, product_id, product_qty, product_uom, location_id, name, origin, company_id, values):
        # if this is defined, this is a dropshipping line, so no
        # this is to correctly map delivered quantities to the so lines
        lines = self.filtered(lambda po_line: po_line.sale_line_id.id == values['sale_line_id']) if values.get('sale_line_id') else self
        return super(PurchaseOrderLine, lines)._find_candidate(product_id, product_qty, product_uom, location_id, name, origin, company_id, values)

    @api.model
    def _prepare_purchase_order_line_from_procurement(self, product_id, product_qty, product_uom, company_id, values, po):
        res = super()._prepare_purchase_order_line_from_procurement(product_id, product_qty, product_uom, company_id, values, po)
        res['sale_line_id'] = values.get('sale_line_id', False)
        return res