# Copyright 2018 ForgeFlow, S.L.
# License AGPL-3 - See http://www.gnu.org/licenses/agpl-3.0.html

from datetime import datetime, timedelta

from odoo import api, fields, models


class HrAttendance(models.Model):
    _inherit = "hr.attendance"

    open_worked_hours = fields.Float(
        string="Worked hours",
        compute="_compute_open_worked_hours",
    )

    @api.depends("check_out", "check_in")
    def _compute_open_worked_hours(self):
        for item in self:
            item_from = item.check_out if item.check_out else datetime.now()
            delta = item_from - item.check_in
            item.open_worked_hours = delta.total_seconds() / 3600.0

    def autoclose_attendance(self, reason):
        self.ensure_one()
        max_hours = self.employee_id.company_id.attendance_maximum_hours_per_day
        leave_time = self.check_in + timedelta(hours=max_hours)
        vals = {"check_out": leave_time}
        if reason:
            vals["attendance_reason_ids"] = [(4, reason.id)]
        self.write(vals)

    def needs_autoclose(self):
        self.ensure_one()
        max_hours = self.employee_id.company_id.attendance_maximum_hours_per_day
        close = not self.employee_id.no_autoclose
        return close and max_hours and self.open_worked_hours > max_hours

    @api.model
    def check_for_incomplete_attendances(self):
        stale_attendances = self.search([("check_out", "=", False)])
        reason = self.env.company.hr_attendance_autoclose_reason
        for att in stale_attendances.filtered(lambda a: a.needs_autoclose()):
            att.autoclose_attendance(reason)

    @api.constrains("check_in", "check_out", "employee_id")
    def _check_validity(self):
        """If this is an automatic checkout the constraint is invalid
        as there may be old attendances not closed
        """
        reason = self.env.company.hr_attendance_autoclose_reason
        if reason and self.filtered(
            lambda att: att.attendance_reason_ids
            and reason in att.attendance_reason_ids
        ):
            return True
        return super()._check_validity()