# -*- coding: utf-8 -*-

import pytz
from datetime import datetime
from unittest.mock import patch

from odoo import fields
from odoo.tests import new_test_user
from odoo.tests.common import tagged, TransactionCase, freeze_time


@tagged('attendance_process')
class TestHrAttendance(TransactionCase):
    """Test for presence validity"""

    @classmethod
    def setUpClass(cls):
        super(TestHrAttendance, cls).setUpClass()
        cls.user = new_test_user(cls.env, login='fru', groups='base.group_user')
        cls.user_no_pin = new_test_user(cls.env, login='gru', groups='base.group_user')
        cls.test_employee = cls.env['hr.employee'].create({
            'name': "François Russie",
            'user_id': cls.user.id,
            'pin': '1234',
        })
        cls.employee_kiosk = cls.env['hr.employee'].create({
            'name': "Machiavel",
            'pin': '5678',
        })

    def setUp(self):
        super().setUp()
        # Cache error if not done during setup
        (self.test_employee | self.employee_kiosk).last_attendance_id.unlink()

    def test_employee_state(self):
        # Make sure the attendance of the employee will display correctly
        assert self.test_employee.attendance_state == 'checked_out'
        self.test_employee._attendance_action_change()
        assert self.test_employee.attendance_state == 'checked_in'
        self.test_employee._attendance_action_change()
        assert self.test_employee.attendance_state == 'checked_out'

    def test_employee_group_id(self):
        # Create attendance for one of them
        self.env['hr.attendance'].create({
            'employee_id': self.employee_kiosk.id,
            'check_in': '2025-08-01 08:00:00',
            'check_out': '2025-08-01 17:00:00',
        })
        context = self.env.context.copy()
        # Specific to gantt view.
        context['gantt_start_date'] = fields.Datetime.now()
        context['allowed_company_ids'] = [self.env.company.id]

        groups = self.env['hr.attendance'].read_group(
            domain=[],
            fields=['employee_id'],
            groupby=['employee_id']
        )

        grouped_employee_ids = [g['employee_id'][0] for g in groups]

        # Check that only the employee with attendance appears
        self.assertNotIn(self.test_employee.id, grouped_employee_ids)
        self.assertIn(self.employee_kiosk.id, grouped_employee_ids)

        # Check that no group has a count of 0
        for group in groups:
            self.assertGreater(group['employee_id_count'], 0)

        groups = self.env['hr.attendance'].with_context(**context).read_group(
            domain=[],
            fields=['employee_id'],
            groupby=['employee_id']
        )

        grouped_employee_ids = [g['employee_id'][0] for g in groups]

        # Check that both employees appears
        self.assertIn(self.test_employee.id, grouped_employee_ids)
        self.assertIn(self.employee_kiosk.id, grouped_employee_ids)

    def test_hours_today(self):
        """ Test day start is correctly computed according to the employee's timezone """

        def tz_datetime(year, month, day, hour, minute):
            tz = pytz.timezone('Europe/Brussels')
            return tz.localize(datetime(year, month, day, hour, minute)).astimezone(pytz.utc).replace(tzinfo=None)

        employee = self.env['hr.employee'].create({'name': 'Cunégonde', 'tz': 'Europe/Brussels'})
        self.env['hr.attendance'].create({
            'employee_id': employee.id,
            'check_in': tz_datetime(2019, 3, 1, 22, 0),  # should count from midnight in the employee's timezone (=the previous day in utc!)
            'check_out': tz_datetime(2019, 3, 2, 2, 0),
        })
        self.env['hr.attendance'].create({
            'employee_id': employee.id,
            'check_in': tz_datetime(2019, 3, 2, 11, 0),
        })

        # now = 2019/3/2 14:00 in the employee's timezone
        with patch.object(fields.Datetime, 'now', lambda: tz_datetime(2019, 3, 2, 14, 0).astimezone(pytz.utc).replace(tzinfo=None)):
            self.assertEqual(employee.hours_today, 5, "It should have counted 5 hours")

    @freeze_time("2024-02-1")
    def test_change_in_out_mode_when_manual_modification(self):
        company = self.env['res.company'].create({
            'name': 'Monsters, Inc.',
            'absence_management': True,
        })

        employee = self.env['hr.employee'].create({
            'name': "James P. Sullivan",
            'company_id': company.id,
        })

        self.env['hr.attendance']._cron_absence_detection()

        attendance = self.env['hr.attendance'].search([('employee_id', '=', employee.id)])

        self.assertEqual(attendance.in_mode, 'technical')
        self.assertEqual(attendance.out_mode, 'technical')
        self.assertEqual(attendance.color, 1)

        attendance.write({
            'check_in': datetime(2021, 1, 4, 8, 0),
            'check_out': datetime(2021, 1, 4, 17, 0),
        })

        self.assertEqual(attendance.in_mode, 'manual')
        self.assertEqual(attendance.out_mode, 'manual')
        self.assertEqual(attendance.color, 0)