# Copyright 2018 Tecnativa - David Vidal
# Copyright 2018 Tecnativa - Pedro M. Baeza
# License AGPL-3.0 or later (http://www.gnu.org/licenses/agpl.html).

from odoo import api, fields, models


class StockPicking(models.Model):
    _inherit = "stock.picking"

    procure_method = fields.Selection(
        selection="_selection_procure_method",
        compute="_compute_procure_method",
        inverse="_inverse_procure_method",
        string="Supply Method",
        help="By default, the system will take from the stock in the source "
        "location and passively wait for availability. The other "
        "possibility allows you to directly create a procurement on the "
        "source location (and thus ignore its current stock) to gather "
        "products. If we want to chain moves and have this one to wait "
        "for the previous, this second option should be chosen.",
    )

    def _selection_procure_method(self):
        return self.env["stock.move"].fields_get(allfields=["procure_method"])[
            "procure_method"
        ]["selection"]

    @api.depends("move_lines.procure_method")
    def _compute_procure_method(self):
        for picking in self:
            procure_method = False
            for move in picking.move_lines:
                if not procure_method:
                    procure_method = move.procure_method
                elif procure_method != move.procure_method:
                    procure_method = False
                    break
            picking.procure_method = procure_method

    def _inverse_procure_method(self):
        self.filtered("procure_method").mapped("move_lines").update(
            {"procure_method": self.procure_method}
        )