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

from odoo import api, fields, models


class FleetVehicleOdometer(models.Model):
    _name = 'fleet.vehicle.odometer'
    _description = 'Odometer log for a vehicle'
    _order = 'date desc'

    name = fields.Char(compute='_compute_vehicle_log_name', store=True)
    date = fields.Date(default=fields.Date.context_today)
    value = fields.Float('Odometer Value', aggregator="max")
    vehicle_id = fields.Many2one('fleet.vehicle', 'Vehicle', required=True)
    unit = fields.Selection(related='vehicle_id.odometer_unit', string="Unit", readonly=True)
    driver_id = fields.Many2one('res.partner', string="Driver", compute='_compute_driver_id', readonly=False, store=True)

    @api.depends('vehicle_id')
    def _compute_driver_id(self):
        for odometer in self:
            if not odometer.driver_id:
                odometer.driver_id = odometer.vehicle_id.driver_id

    @api.depends('vehicle_id', 'date')
    def _compute_vehicle_log_name(self):
        for record in self:
            name = record.vehicle_id.name
            if not name:
                name = str(record.date)
            elif record.date:
                name += ' / ' + str(record.date)
            record.name = name

    @api.onchange('vehicle_id')
    def _onchange_vehicle(self):
        if self.vehicle_id:
            self.unit = self.vehicle_id.odometer_unit
