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

from odoo import api, fields, models
from odoo.osv import expression

from odoo.addons.resource.models.utils import filter_domain_leaf

class PlanningSlot(models.Model):
    _inherit = 'planning.slot'

    sale_line_id = fields.Many2one(compute='_compute_sale_line_id', store=True, readonly=False)

    @api.depends('sale_line_id.project_id', 'sale_line_id.task_id.project_id')
    def _compute_project_id(self):
        slot_without_sol_project = self.env['planning.slot']
        for slot in self:
            if not slot.project_id and slot.sale_line_id and (slot.sale_line_id.project_id or slot.sale_line_id.task_id.project_id):
                slot.project_id = slot.sale_line_id.task_id.project_id or slot.sale_line_id.project_id
            else:
                slot_without_sol_project |= slot
        super(PlanningSlot, slot_without_sol_project)._compute_project_id()

    @api.depends('project_id')
    def _compute_sale_line_id(self):
        for slot in self:
            if not slot.sale_line_id and slot.project_id:
                slot.sale_line_id = slot.project_id.sale_line_id

    # -----------------------------------------------------------------
    # ORM Override
    # -----------------------------------------------------------------

    def _display_name_fields(self):
        """ List of fields that can be displayed in the display_name """
        # Ensure this will be displayed in the right order
        display_name_fields = [item for item in super()._display_name_fields() if item not in ['sale_line_id', 'project_id']]
        return display_name_fields + ['project_id', 'sale_line_id']

    # -----------------------------------------------------------------
    # Business methods
    # -----------------------------------------------------------------

    def _get_shifts_to_plan_domain(self, view_domain=None):
        domain = super()._get_shifts_to_plan_domain(view_domain)
        if self.env.context.get('default_project_id'):
            domain = filter_domain_leaf(domain, lambda field: field != "project_id")
            domain = expression.AND([domain, [('sale_order_id', 'in', self.env['project.project'].browse(self.env.context.get('default_project_id'))._fetch_sale_order_items({'project.task': [('state', 'in', self.env['project.task'].OPEN_STATES)]}).order_id.ids)]])
        return domain