# -*- coding: utf-8 -*-
#############################################################################
#
#    Cybrosys Technologies Pvt. Ltd.
#
#    Copyright (C) 2023-TODAY Cybrosys Technologies(<https://www.cybrosys.com>)
#    Author: Gayathri V (odoo@cybrosys.com)
#
#    You can modify it under the terms of the GNU LESSER
#    GENERAL PUBLIC LICENSE (LGPL v3), Version 3.
#
#    This program is distributed in the hope that it will be useful,
#    but WITHOUT ANY WARRANTY; without even the implied warranty of
#    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
#    GNU LESSER GENERAL PUBLIC LICENSE (LGPL v3) for more details.
#
#    You should have received a copy of the GNU LESSER GENERAL PUBLIC LICENSE
#    (LGPL v3) along with this program.
#    If not, see <http://www.gnu.org/licenses/>.
#
############################################################################.
import pytz
from datetime import datetime, timedelta
from odoo import fields, models, api


class HrAttendance(models.Model):
    """Inherit the module to add fields and methods"""
    _inherit = 'hr.attendance'

    late_check_in = fields.Integer(
        string="Late Check-in(Minutes)", compute="_compute_late_check_in",
        help="This indicates the duration of the employee's tardiness.",
        store=True)

    @api.depends('check_in')
    def _compute_late_check_in(self):
        """Calculate late check-in minutes for each record in the current Odoo
        model.This method iterates through the records and calculates late
        check-in minutes based on the employee's contract schedule.The
        calculation takes into account the employee's time zone, scheduled
        check-in time, and the actual check-in time."""
        for rec in self:
            rec.late_check_in = 0.0
            if rec.employee_id.contract_id:
                for schedule in rec.sudo().employee_id.contract_id.resource_calendar_id.sudo().attendance_ids:
                    if (schedule.dayofweek == str(
                            rec.sudo().check_in.weekday()) and
                            schedule.day_period == 'morning'):
                        dt = rec.check_in
                        if self.env.user.tz in pytz.all_timezones:
                            old_tz = pytz.timezone('UTC')
                            new_tz = pytz.timezone(self.env.user.tz)
                            dt = old_tz.localize(dt).astimezone(new_tz)
                        str_time = dt.strftime("%H:%M")
                        check_in_date = datetime.strptime(
                            str_time, "%H:%M").time()
                        start_date = datetime.strptime(
                            '{0:02.0f}:{1:02.0f}'.format(*divmod(
                                schedule.hour_from * 60, 60)), "%H:%M").time()
                        check_in = timedelta(hours=check_in_date.hour,
                                             minutes=check_in_date.minute)
                        start_date = timedelta(hours=start_date.hour,
                                               minutes=start_date.minute)
                        if check_in > start_date:
                            final = check_in - start_date
                            rec.sudo().late_check_in = final.total_seconds() / 60

    def late_check_in_records(self):
        """Function creates records in late.check.in model for the employees
        who were late"""
        minutes_after = int(self.env['ir.config_parameter'].sudo().get_param(
            'late_check_in_after')) or 0
        max_limit = int(self.env['ir.config_parameter'].sudo().get_param(
            'maximum_minutes')) or 0
        for rec in self.sudo().search([]):
            if rec.id not in self.env['late.check.in'].sudo().search(
                    []).attendance_id.ids:
                if rec.late_check_in > minutes_after and minutes_after < rec.late_check_in < max_limit:
                     self.env['late.check.in'].sudo().create({
                        'employee_id': rec.employee_id.id,
                        'late_minutes': rec.late_check_in,
                        'date': rec.check_in.date(),
                        'attendance_id': rec.id,
                    })
            else:
                self.env['late.check.in'].sudo().search(
                    [('attendance_id', '=', rec.id)]).update({
                    'late_minutes': rec.late_check_in,
                    'date': rec.check_in.date(),
                    'attendance_id': rec.id,
                })

    def unlink(self):
        """Override the unlink method to delete the corresponding records in
        late.check.in model"""
        for record in self:
            self.env['late.check.in'].sudo().search(
                [('attendance_id', '=', record.id)]).unlink()
            return super(HrAttendance, self).unlink()