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

from datetime import date, datetime
from pytz import timezone, utc

from odoo import fields
from odoo.exceptions import ValidationError
from odoo.addons.resource.models.resource import Intervals
from odoo.addons.resource.tests.common import TestResourceCommon
from odoo.tests.common import TransactionCase


def datetime_tz(year, month, day, hour=0, minute=0, second=0, microsecond=0, tzinfo=None):
    """ Return a `datetime` object with a given timezone (if given). """
    dt = datetime(year, month, day, hour, minute, second, microsecond)
    return timezone(tzinfo).localize(dt) if tzinfo else dt


def datetime_str(year, month, day, hour=0, minute=0, second=0, microsecond=0, tzinfo=None):
    """ Return a fields.Datetime value with the given timezone. """
    dt = datetime(year, month, day, hour, minute, second, microsecond)
    if tzinfo:
        dt = timezone(tzinfo).localize(dt).astimezone(utc)
    return fields.Datetime.to_string(dt)


class TestIntervals(TransactionCase):

    def ints(self, pairs):
        recs = self.env['base']
        return [(a, b, recs) for a, b in pairs]

    def test_union(self):
        def check(a, b):
            a, b = self.ints(a), self.ints(b)
            self.assertEqual(list(Intervals(a)), b)

        check([(1, 2), (3, 4)], [(1, 2), (3, 4)])
        check([(1, 2), (2, 4)], [(1, 4)])
        check([(1, 3), (2, 4)], [(1, 4)])
        check([(1, 4), (2, 3)], [(1, 4)])
        check([(3, 4), (1, 2)], [(1, 2), (3, 4)])
        check([(2, 4), (1, 2)], [(1, 4)])
        check([(2, 4), (1, 3)], [(1, 4)])
        check([(2, 3), (1, 4)], [(1, 4)])

    def test_intersection(self):
        def check(a, b, c):
            a, b, c = self.ints(a), self.ints(b), self.ints(c)
            self.assertEqual(list(Intervals(a) & Intervals(b)), c)

        check([(10, 20)], [(5, 8)], [])
        check([(10, 20)], [(5, 10)], [])
        check([(10, 20)], [(5, 15)], [(10, 15)])
        check([(10, 20)], [(5, 20)], [(10, 20)])
        check([(10, 20)], [(5, 25)], [(10, 20)])
        check([(10, 20)], [(10, 15)], [(10, 15)])
        check([(10, 20)], [(10, 20)], [(10, 20)])
        check([(10, 20)], [(10, 25)], [(10, 20)])
        check([(10, 20)], [(15, 18)], [(15, 18)])
        check([(10, 20)], [(15, 20)], [(15, 20)])
        check([(10, 20)], [(15, 25)], [(15, 20)])
        check([(10, 20)], [(20, 25)], [])
        check(
            [(0, 5), (10, 15), (20, 25), (30, 35)],
            [(6, 7), (9, 12), (13, 17), (22, 23), (24, 40)],
            [(10, 12), (13, 15), (22, 23), (24, 25), (30, 35)],
        )

    def test_difference(self):
        def check(a, b, c):
            a, b, c = self.ints(a), self.ints(b), self.ints(c)
            self.assertEqual(list(Intervals(a) - Intervals(b)), c)

        check([(10, 20)], [(5, 8)], [(10, 20)])
        check([(10, 20)], [(5, 10)], [(10, 20)])
        check([(10, 20)], [(5, 15)], [(15, 20)])
        check([(10, 20)], [(5, 20)], [])
        check([(10, 20)], [(5, 25)], [])
        check([(10, 20)], [(10, 15)], [(15, 20)])
        check([(10, 20)], [(10, 20)], [])
        check([(10, 20)], [(10, 25)], [])
        check([(10, 20)], [(15, 18)], [(10, 15), (18, 20)])
        check([(10, 20)], [(15, 20)], [(10, 15)])
        check([(10, 20)], [(15, 25)], [(10, 15)])
        check([(10, 20)], [(20, 25)], [(10, 20)])
        check(
            [(0, 5), (10, 15), (20, 25), (30, 35)],
            [(6, 7), (9, 12), (13, 17), (22, 23), (24, 40)],
            [(0, 5), (12, 13), (20, 22), (23, 24)],
        )


class TestErrors(TestResourceCommon):
    def setUp(self):
        super(TestErrors, self).setUp()

    def test_create_negative_leave(self):
        # from > to
        with self.assertRaises(ValidationError):
            self.env['resource.calendar.leaves'].create({
                'name': 'error cannot return in the past',
                'resource_id': False,
                'calendar_id': self.calendar_jean.id,
                'date_from': datetime_str(2018, 4, 3, 20, 0, 0, tzinfo=self.jean.tz),
                'date_to': datetime_str(2018, 4, 3, 0, 0, 0, tzinfo=self.jean.tz),
            })

        with self.assertRaises(ValidationError):
            self.env['resource.calendar.leaves'].create({
                'name': 'error caused by timezones',
                'resource_id': False,
                'calendar_id': self.calendar_jean.id,
                'date_from': datetime_str(2018, 4, 3, 10, 0, 0, tzinfo='UTC'),
                'date_to': datetime_str(2018, 4, 3, 12, 0, 0, tzinfo='Etc/GMT-6')
            })


class TestCalendar(TestResourceCommon):
    def setUp(self):
        super(TestCalendar, self).setUp()

    def test_get_work_hours_count(self):
        self.env['resource.calendar.leaves'].create({
            'name': 'Global Leave',
            'resource_id': False,
            'calendar_id': self.calendar_jean.id,
            'date_from': datetime_str(2018, 4, 3, 0, 0, 0, tzinfo=self.jean.tz),
            'date_to': datetime_str(2018, 4, 3, 23, 59, 59, tzinfo=self.jean.tz),
        })

        self.env['resource.calendar.leaves'].create({
            'name': 'leave for Jean',
            'calendar_id': self.calendar_jean.id,
            'resource_id': self.jean.resource_id.id,
            'date_from': datetime_str(2018, 4, 5, 0, 0, 0, tzinfo=self.jean.tz),
            'date_to': datetime_str(2018, 4, 5, 23, 59, 59, tzinfo=self.jean.tz),
        })

        hours = self.calendar_jean.get_work_hours_count(
            datetime_tz(2018, 4, 2, 0, 0, 0, tzinfo=self.jean.tz),
            datetime_tz(2018, 4, 6, 23, 59, 59, tzinfo=self.jean.tz),
        )
        self.assertEqual(hours, 32)

        hours = self.calendar_jean.get_work_hours_count(
            datetime_tz(2018, 4, 2, 0, 0, 0, tzinfo=self.jean.tz),
            datetime_tz(2018, 4, 6, 23, 59, 59, tzinfo=self.jean.tz),
            compute_leaves=False,
        )
        self.assertEqual(hours, 40)

        # leave of size 0
        self.env['resource.calendar.leaves'].create({
            'name': 'zero_length',
            'calendar_id': self.calendar_patel.id,
            'resource_id': False,
            'date_from': datetime_str(2018, 4, 3, 0, 0, 0, tzinfo=self.patel.tz),
            'date_to': datetime_str(2018, 4, 3, 0, 0, 0, tzinfo=self.patel.tz),
        })

        hours = self.calendar_patel.get_work_hours_count(
            datetime_tz(2018, 4, 2, 0, 0, 0, tzinfo=self.patel.tz),
            datetime_tz(2018, 4, 6, 23, 59, 59, tzinfo=self.patel.tz),
        )
        self.assertEqual(hours, 35)

        # leave of medium size
        leave = self.env['resource.calendar.leaves'].create({
            'name': 'zero_length',
            'calendar_id': self.calendar_patel.id,
            'resource_id': False,
            'date_from': datetime_str(2018, 4, 3, 9, 0, 0, tzinfo=self.patel.tz),
            'date_to': datetime_str(2018, 4, 3, 12, 0, 0, tzinfo=self.patel.tz),
        })

        hours = self.calendar_patel.get_work_hours_count(
            datetime_tz(2018, 4, 2, 0, 0, 0, tzinfo=self.patel.tz),
            datetime_tz(2018, 4, 6, 23, 59, 59, tzinfo=self.patel.tz),
        )
        self.assertEqual(hours, 32)

        leave.unlink()

        # leave of very small size
        leave = self.env['resource.calendar.leaves'].create({
            'name': 'zero_length',
            'calendar_id': self.calendar_patel.id,
            'resource_id': False,
            'date_from': datetime_str(2018, 4, 3, 0, 0, 0, tzinfo=self.patel.tz),
            'date_to': datetime_str(2018, 4, 3, 0, 0, 10, tzinfo=self.patel.tz),
        })

        hours = self.calendar_patel.get_work_hours_count(
            datetime_tz(2018, 4, 2, 0, 0, 0, tzinfo=self.patel.tz),
            datetime_tz(2018, 4, 6, 23, 59, 59, tzinfo=self.patel.tz),
        )
        self.assertEqual(hours, 35)

        leave.unlink()

        # no timezone given should be converted to UTC
        # Should equal to a leave between 2018/04/03 10:00:00 and 2018/04/04 10:00:00
        self.env['resource.calendar.leaves'].create({
            'name': 'no timezone',
            'calendar_id': self.calendar_patel.id,
            'resource_id': False,
            'date_from': datetime_str(2018, 4, 3, 4, 0, 0),
            'date_to': datetime_str(2018, 4, 4, 4, 0, 0),
        })

        hours = self.calendar_patel.get_work_hours_count(
            datetime_tz(2018, 4, 2, 0, 0, 0, tzinfo=self.patel.tz),
            datetime_tz(2018, 4, 6, 23, 59, 59, tzinfo=self.patel.tz),
        )
        self.assertEqual(hours, 28)

        hours = self.calendar_patel.get_work_hours_count(
            datetime_tz(2018, 4, 2, 23, 59, 59, tzinfo=self.patel.tz),
            datetime_tz(2018, 4, 2, 0, 0, 0, tzinfo=self.patel.tz),
        )
        self.assertEqual(hours, 0)

        leave.unlink()

    def test_calendar_working_hours_count(self):
        calendar = self.env.ref('resource.resource_calendar_std_35h')
        calendar.tz = 'UTC'
        res = calendar.get_work_hours_count(
            fields.Datetime.from_string('2017-05-03 14:03:00'),  # Wednesday (8:00-12:00, 13:00-16:00)
            fields.Datetime.from_string('2017-05-04 11:03:00'),  # Thursday (8:00-12:00, 13:00-16:00)
            compute_leaves=False)
        self.assertEqual(res, 5.0)

    def test_calendar_working_hours_24(self):
        self.att_4 = self.env['resource.calendar.attendance'].create({
            'name': 'Att4',
            'calendar_id': self.calendar_jean.id,
            'dayofweek': '2',
            'hour_from': 0,
            'hour_to': 24
        })
        res = self.calendar_jean.get_work_hours_count(
            datetime_tz(2018, 6, 19, 23, 0, 0, tzinfo=self.jean.tz),
            datetime_tz(2018, 6, 21, 1, 0, 0, tzinfo=self.jean.tz),
            compute_leaves=True)
        self.assertAlmostEqual(res, 24.0)

    def test_plan_hours(self):
        self.env['resource.calendar.leaves'].create({
            'name': 'global',
            'calendar_id': self.calendar_jean.id,
            'resource_id': False,
            'date_from': datetime_str(2018, 4, 11, 0, 0, 0, tzinfo=self.jean.tz),
            'date_to': datetime_str(2018, 4, 11, 23, 59, 59, tzinfo=self.jean.tz),
        })

        time = self.calendar_jean.plan_hours(2, datetime_tz(2018, 4, 10, 0, 0, 0, tzinfo=self.jean.tz), compute_leaves=False)
        self.assertEqual(time, datetime_tz(2018, 4, 10, 10, 0, 0, tzinfo=self.jean.tz))

        time = self.calendar_jean.plan_hours(20, datetime_tz(2018, 4, 10, 0, 0, 0, tzinfo=self.jean.tz), compute_leaves=False)
        self.assertEqual(time, datetime_tz(2018, 4, 12, 12, 0, 0, tzinfo=self.jean.tz))

        time = self.calendar_jean.plan_hours(5, datetime_tz(2018, 4, 10, 15, 0, 0, tzinfo=self.jean.tz), compute_leaves=True)
        self.assertEqual(time, datetime_tz(2018, 4, 12, 12, 0, 0, tzinfo=self.jean.tz))

        # negative planning
        time = self.calendar_jean.plan_hours(-10, datetime_tz(2018, 4, 10, 0, 0, 0, tzinfo=self.jean.tz), compute_leaves=True)
        self.assertEqual(time, datetime_tz(2018, 4, 6, 14, 0, 0, tzinfo=self.jean.tz))

        # zero planning with holidays
        time = self.calendar_jean.plan_hours(0, datetime_tz(2018, 4, 11, 0, 0, 0, tzinfo=self.jean.tz), compute_leaves=True)
        self.assertEqual(time, datetime_tz(2018, 4, 12, 8, 0, 0, tzinfo=self.jean.tz))
        time = self.calendar_jean.plan_hours(0, datetime_tz(2018, 4, 10, 0, 0, 0, tzinfo=self.jean.tz), compute_leaves=False)
        self.assertEqual(time, datetime_tz(2018, 4, 10, 8, 0, 0, tzinfo=self.jean.tz))

        # very small planning
        time = self.calendar_jean.plan_hours(0.0002, datetime_tz(2018, 4, 10, 0, 0, 0, tzinfo=self.jean.tz), compute_leaves=True)
        self.assertEqual(time, datetime_tz(2018, 4, 10, 8, 0, 0, 720000, tzinfo=self.jean.tz))

        # huge planning
        time = self.calendar_jean.plan_hours(3000, datetime_tz(2018, 4, 10, 0, 0, 0, tzinfo=self.jean.tz), compute_leaves=False)
        self.assertEqual(time, datetime_tz(2019, 9, 16, 16, 0, 0, tzinfo=self.jean.tz))

    def test_plan_days(self):
        self.env['resource.calendar.leaves'].create({
            'name': 'global',
            'calendar_id': self.calendar_jean.id,
            'resource_id': False,
            'date_from': datetime_str(2018, 4, 11, 0, 0, 0, tzinfo=self.jean.tz),
            'date_to': datetime_str(2018, 4, 11, 23, 59, 59, tzinfo=self.jean.tz),
        })

        time = self.calendar_jean.plan_days(1, datetime_tz(2018, 4, 10, 0, 0, 0, tzinfo=self.jean.tz), compute_leaves=False)
        self.assertEqual(time, datetime_tz(2018, 4, 10, 16, 0, 0, tzinfo=self.jean.tz))

        time = self.calendar_jean.plan_days(3, datetime_tz(2018, 4, 10, 0, 0, 0, tzinfo=self.jean.tz), compute_leaves=False)
        self.assertEqual(time, datetime_tz(2018, 4, 12, 16, 0, 0, tzinfo=self.jean.tz))

        time = self.calendar_jean.plan_days(4, datetime_tz(2018, 4, 10, 16, 0, 0, tzinfo=self.jean.tz), compute_leaves=True)
        self.assertEqual(time, datetime_tz(2018, 4, 17, 16, 0, 0, tzinfo=self.jean.tz))

        # negative planning
        time = self.calendar_jean.plan_days(-10, datetime_tz(2018, 4, 10, 0, 0, 0, tzinfo=self.jean.tz), compute_leaves=True)
        self.assertEqual(time, datetime_tz(2018, 3, 27, 8, 0, 0, tzinfo=self.jean.tz))

        # zero planning
        time = self.calendar_jean.plan_days(0, datetime_tz(2018, 4, 10, 0, 0, 0, tzinfo=self.jean.tz), compute_leaves=True)
        self.assertEqual(time, datetime_tz(2018, 4, 10, 0, 0, 0, tzinfo=self.jean.tz))

        # very small planning returns False in this case
        # TODO: decide if this behaviour is alright
        time = self.calendar_jean.plan_days(0.0002, datetime_tz(2018, 4, 10, 0, 0, 0, tzinfo=self.jean.tz), compute_leaves=True)
        self.assertEqual(time, False)

        # huge planning
        # TODO: Same as above
        # NOTE: Maybe allow to set a max limit to the method
        time = self.calendar_jean.plan_days(3000, datetime_tz(2018, 4, 10, 0, 0, 0, tzinfo=self.jean.tz), compute_leaves=False)
        self.assertEqual(time, False)


class TestResMixin(TestResourceCommon):
    def setUp(self):
        super(TestResMixin, self).setUp()

    def test_work_days_data(self):
        # Looking at Jean's calendar

        # Viewing it as Jean
        data = self.jean._get_work_days_data(
            datetime_tz(2018, 4, 2, 0, 0, 0, tzinfo=self.jean.tz),
            datetime_tz(2018, 4, 6, 16, 0, 0, tzinfo=self.jean.tz),
        )
        self.assertEqual(data, {'days': 5, 'hours': 40})

        # Viewing it as Patel
        # Views from 2018/04/01 20:00:00 to 2018/04/06 12:00:00
        data = self.jean._get_work_days_data(
            datetime_tz(2018, 4, 2, 0, 0, 0, tzinfo=self.patel.tz),
            datetime_tz(2018, 4, 6, 16, 0, 0, tzinfo=self.patel.tz),
        )
        self.assertEqual(data, {'days': 4.5, 'hours': 36})  # We see only 36 hours

        # Viewing it as John
        # Views from 2018/04/02 09:00:00 to 2018/04/07 02:00:00
        data = self.jean._get_work_days_data(
            datetime_tz(2018, 4, 2, 0, 0, 0, tzinfo=self.john.tz),
            datetime_tz(2018, 4, 6, 16, 0, 0, tzinfo=self.john.tz),
        )
        # still showing as 5 days because of rounding, but we see only 39 hours
        self.assertEqual(data, {'days': 4.875, 'hours': 39})

        # Looking at John's calendar

        # Viewing it as Jean
        # Views from 2018/04/01 15:00:00 to 2018/04/06 14:00:00
        data = self.john._get_work_days_data(
            datetime_tz(2018, 4, 2, 0, 0, 0, tzinfo=self.jean.tz),
            datetime_tz(2018, 4, 6, 23, 0, 0, tzinfo=self.jean.tz),
        )
        self.assertEqual(data, {'days': 1.4375, 'hours': 13})

        # Viewing it as Patel
        # Views from 2018/04/01 11:00:00 to 2018/04/06 10:00:00
        data = self.john._get_work_days_data(
            datetime_tz(2018, 4, 2, 0, 0, 0, tzinfo=self.patel.tz),
            datetime_tz(2018, 4, 6, 23, 0, 0, tzinfo=self.patel.tz),
        )
        self.assertEqual(data, {'days': 1.1875, 'hours': 10})

        # Viewing it as John
        data = self.john._get_work_days_data(
            datetime_tz(2018, 4, 2, 0, 0, 0, tzinfo=self.john.tz),
            datetime_tz(2018, 4, 6, 23, 0, 0, tzinfo=self.john.tz),
        )
        self.assertEqual(data, {'days': 2, 'hours': 20})

        # using Jean as a timezone reference
        data = self.john._get_work_days_data(
            datetime_tz(2018, 4, 2, 0, 0, 0, tzinfo=self.john.tz),
            datetime_tz(2018, 4, 6, 23, 0, 0, tzinfo=self.john.tz),
            calendar=self.calendar_jean,
        )
        self.assertEqual(data, {'days': 5, 'hours': 40})

        # half days
        leave = self.env['resource.calendar.leaves'].create({
            'name': 'half',
            'calendar_id': self.calendar_jean.id,
            'resource_id': self.jean.resource_id.id,
            'date_from': datetime_str(2018, 4, 2, 10, 0, 0, tzinfo=self.jean.tz),
            'date_to': datetime_str(2018, 4, 2, 14, 0, 0, tzinfo=self.jean.tz),
        })

        data = self.jean._get_work_days_data(
            datetime_tz(2018, 4, 2, 0, 0, 0, tzinfo=self.jean.tz),
            datetime_tz(2018, 4, 6, 23, 0, 0, tzinfo=self.jean.tz),
        )
        self.assertEqual(data, {'days': 4.5, 'hours': 36})

        # using John as a timezone reference, leaves are outside attendances
        data = self.john._get_work_days_data(
            datetime_tz(2018, 4, 2, 0, 0, 0, tzinfo=self.john.tz),
            datetime_tz(2018, 4, 6, 23, 0, 0, tzinfo=self.john.tz),
            calendar=self.calendar_jean,
        )
        self.assertEqual(data, {'days': 5, 'hours': 40})

        leave.unlink()

        # leave size 0
        leave = self.env['resource.calendar.leaves'].create({
            'name': 'zero',
            'calendar_id': self.calendar_jean.id,
            'resource_id': False,
            'date_from': datetime_str(2018, 4, 2, 10, 0, 0, tzinfo=self.jean.tz),
            'date_to': datetime_str(2018, 4, 2, 10, 0, 0, tzinfo=self.jean.tz),
        })

        data = self.jean._get_work_days_data(
            datetime_tz(2018, 4, 2, 0, 0, 0, tzinfo=self.jean.tz),
            datetime_tz(2018, 4, 6, 23, 0, 0, tzinfo=self.jean.tz),
        )
        self.assertEqual(data, {'days': 5, 'hours': 40})

        leave.unlink()

        # leave very small size
        leave = self.env['resource.calendar.leaves'].create({
            'name': 'small',
            'calendar_id': self.calendar_jean.id,
            'resource_id': False,
            'date_from': datetime_str(2018, 4, 2, 10, 0, 0, tzinfo=self.jean.tz),
            'date_to': datetime_str(2018, 4, 2, 10, 0, 1, tzinfo=self.jean.tz),
        })

        data = self.jean._get_work_days_data(
            datetime_tz(2018, 4, 2, 0, 0, 0, tzinfo=self.jean.tz),
            datetime_tz(2018, 4, 6, 23, 0, 0, tzinfo=self.jean.tz),
        )
        self.assertEqual(data['days'], 5)
        self.assertAlmostEqual(data['hours'], 40, 2)

    def test_leaves_days_data(self):
        # Jean takes a leave
        self.env['resource.calendar.leaves'].create({
            'name': 'Jean is visiting India',
            'calendar_id': self.jean.resource_calendar_id.id,
            'resource_id': self.jean.resource_id.id,
            'date_from': datetime_str(2018, 4, 10, 8, 0, 0, tzinfo=self.jean.tz),
            'date_to': datetime_str(2018, 4, 10, 16, 0, 0, tzinfo=self.jean.tz),
        })

        # John takes a leave for Jean
        self.env['resource.calendar.leaves'].create({
            'name': 'Jean is comming in USA',
            'calendar_id': self.jean.resource_calendar_id.id,
            'resource_id': self.jean.resource_id.id,
            'date_from': datetime_str(2018, 4, 12, 8, 0, 0, tzinfo=self.john.tz),
            'date_to': datetime_str(2018, 4, 12, 16, 0, 0, tzinfo=self.john.tz),
        })

        # Jean asks to see how much leave he has taken
        data = self.jean._get_leave_days_data(
            datetime_tz(2018, 4, 9, 0, 0, 0, tzinfo=self.jean.tz),
            datetime_tz(2018, 4, 13, 23, 59, 59, tzinfo=self.jean.tz),
        )
        # Sees only 1 day and 8 hours because, as john is in UTC-7 the second leave is not in
        # the attendances of Jean
        self.assertEqual(data, {'days': 1, 'hours': 8})

        # Patel Asks to see when Jean has taken some leaves
        # Patel should see the same
        data = self.jean._get_leave_days_data(
            datetime_tz(2018, 4, 9, 0, 0, 0, tzinfo=self.patel.tz),
            datetime_tz(2018, 4, 13, 23, 59, 59, tzinfo=self.patel.tz),
        )
        self.assertEqual(data, {'days': 1, 'hours': 8})

        # use Patel as a resource, jean's leaves are not visible
        datas = self.patel._get_leave_days_data(
            datetime_tz(2018, 4, 9, 0, 0, 0, tzinfo=self.patel.tz),
            datetime_tz(2018, 4, 13, 23, 59, 59, tzinfo=self.patel.tz),
            calendar=self.calendar_jean,
        )
        self.assertEqual(datas['days'], 0)
        self.assertEqual(datas['hours'], 0)

        # Jean takes a leave for John
        # Gives 3 hours (3/8 of a day)
        self.env['resource.calendar.leaves'].create({
            'name': 'John is sick',
            'calendar_id': self.john.resource_calendar_id.id,
            'resource_id': self.john.resource_id.id,
            'date_from': datetime_str(2018, 4, 10, 0, 0, 0, tzinfo=self.jean.tz),
            'date_to': datetime_str(2018, 4, 10, 20, 0, 0, tzinfo=self.jean.tz),
        })

        # John takes a leave
        # Gives all day (12 hours)
        self.env['resource.calendar.leaves'].create({
            'name': 'John goes to holywood',
            'calendar_id': self.john.resource_calendar_id.id,
            'resource_id': self.john.resource_id.id,
            'date_from': datetime_str(2018, 4, 13, 7, 0, 0, tzinfo=self.john.tz),
            'date_to': datetime_str(2018, 4, 13, 18, 0, 0, tzinfo=self.john.tz),
        })

        # John asks how much leaves he has
        # He sees that he has only 15 hours of leave in his attendances
        data = self.john._get_leave_days_data(
            datetime_tz(2018, 4, 9, 0, 0, 0, tzinfo=self.john.tz),
            datetime_tz(2018, 4, 13, 23, 59, 59, tzinfo=self.john.tz),
        )
        self.assertEqual(data, {'days': 0.9375, 'hours': 10})

        # half days
        leave = self.env['resource.calendar.leaves'].create({
            'name': 'half',
            'calendar_id': self.calendar_jean.id,
            'resource_id': self.jean.resource_id.id,
            'date_from': datetime_str(2018, 4, 2, 10, 0, 0, tzinfo=self.jean.tz),
            'date_to': datetime_str(2018, 4, 2, 14, 0, 0, tzinfo=self.jean.tz),
        })

        data = self.jean._get_leave_days_data(
            datetime_tz(2018, 4, 2, 0, 0, 0, tzinfo=self.jean.tz),
            datetime_tz(2018, 4, 6, 23, 0, 0, tzinfo=self.jean.tz),
        )
        self.assertEqual(data, {'days': 0.5, 'hours': 4})

        leave.unlink()

        # leave size 0
        leave = self.env['resource.calendar.leaves'].create({
            'name': 'zero',
            'calendar_id': self.calendar_jean.id,
            'resource_id': False,
            'date_from': datetime_str(2018, 4, 2, 10, 0, 0, tzinfo=self.jean.tz),
            'date_to': datetime_str(2018, 4, 2, 10, 0, 0, tzinfo=self.jean.tz),
        })

        data = self.jean._get_leave_days_data(
            datetime_tz(2018, 4, 2, 0, 0, 0, tzinfo=self.jean.tz),
            datetime_tz(2018, 4, 6, 23, 0, 0, tzinfo=self.jean.tz),
        )
        self.assertEqual(data, {'days': 0, 'hours': 0})

        leave.unlink()

        # leave very small size
        leave = self.env['resource.calendar.leaves'].create({
            'name': 'small',
            'calendar_id': self.calendar_jean.id,
            'resource_id': False,
            'date_from': datetime_str(2018, 4, 2, 10, 0, 0, tzinfo=self.jean.tz),
            'date_to': datetime_str(2018, 4, 2, 10, 0, 1, tzinfo=self.jean.tz),
        })

        data = self.jean._get_leave_days_data(
            datetime_tz(2018, 4, 2, 0, 0, 0, tzinfo=self.jean.tz),
            datetime_tz(2018, 4, 6, 23, 0, 0, tzinfo=self.jean.tz),
        )
        self.assertEqual(data['days'], 0)
        self.assertAlmostEqual(data['hours'], 0, 2)

        leave.unlink()

    def test_list_leaves(self):
        jean_leave = self.env['resource.calendar.leaves'].create({
            'name': "Jean's son is sick",
            'calendar_id': self.jean.resource_calendar_id.id,
            'resource_id': False,
            'date_from': datetime_str(2018, 4, 10, 0, 0, 0, tzinfo=self.jean.tz),
            'date_to': datetime_str(2018, 4, 10, 23, 59, 59, tzinfo=self.jean.tz),
        })

        leaves = self.jean.list_leaves(
            datetime_tz(2018, 4, 9, 0, 0, 0, tzinfo=self.jean.tz),
            datetime_tz(2018, 4, 13, 23, 59, 59, tzinfo=self.jean.tz),
        )
        self.assertEqual(leaves, [(date(2018, 4, 10), 8, jean_leave)])

        # half days
        leave = self.env['resource.calendar.leaves'].create({
            'name': 'half',
            'calendar_id': self.jean.resource_calendar_id.id,
            'resource_id': self.jean.resource_id.id,
            'date_from': datetime_str(2018, 4, 2, 10, 0, 0, tzinfo=self.jean.tz),
            'date_to': datetime_str(2018, 4, 2, 14, 0, 0, tzinfo=self.jean.tz),
        })

        leaves = self.jean.list_leaves(
            datetime_tz(2018, 4, 2, 0, 0, 0, tzinfo=self.jean.tz),
            datetime_tz(2018, 4, 6, 23, 0, 0, tzinfo=self.jean.tz),
        )
        self.assertEqual(leaves, [(date(2018, 4, 2), 4, leave)])

        leave.unlink()

        # very small size
        leave = self.env['resource.calendar.leaves'].create({
            'name': 'small',
            'calendar_id': self.jean.resource_calendar_id.id,
            'resource_id': self.jean.resource_id.id,
            'date_from': datetime_str(2018, 4, 2, 10, 0, 0, tzinfo=self.jean.tz),
            'date_to': datetime_str(2018, 4, 2, 10, 0, 1, tzinfo=self.jean.tz),
        })

        leaves = self.jean.list_leaves(
            datetime_tz(2018, 4, 2, 0, 0, 0, tzinfo=self.jean.tz),
            datetime_tz(2018, 4, 6, 23, 0, 0, tzinfo=self.jean.tz),
        )
        self.assertEqual(len(leaves), 1)
        self.assertEqual(leaves[0][0], date(2018, 4, 2))
        self.assertAlmostEqual(leaves[0][1], 0, 2)
        self.assertEqual(leaves[0][2].id, leave.id)

        leave.unlink()

        # size 0
        leave = self.env['resource.calendar.leaves'].create({
            'name': 'zero',
            'calendar_id': self.jean.resource_calendar_id.id,
            'resource_id': self.jean.resource_id.id,
            'date_from': datetime_str(2018, 4, 2, 10, 0, 0, tzinfo=self.jean.tz),
            'date_to': datetime_str(2018, 4, 2, 10, 0, 0, tzinfo=self.jean.tz),
        })

        leaves = self.jean.list_leaves(
            datetime_tz(2018, 4, 2, 0, 0, 0, tzinfo=self.jean.tz),
            datetime_tz(2018, 4, 6, 23, 0, 0, tzinfo=self.jean.tz),
        )
        self.assertEqual(leaves, [])

        leave.unlink()

    def test_list_work_time_per_day(self):
        working_time = self.john.list_work_time_per_day(
            datetime_tz(2018, 4, 9, 0, 0, 0, tzinfo=self.john.tz),
            datetime_tz(2018, 4, 13, 23, 59, 59, tzinfo=self.john.tz),
        )
        self.assertEqual(working_time, [
            (date(2018, 4, 10), 8),
            (date(2018, 4, 13), 12),
        ])

        # change john's resource's timezone
        self.john.resource_id.tz = 'Europe/Brussels'
        self.assertEqual(self.john.tz, 'Europe/Brussels')
        self.assertEqual(self.calendar_john.tz, 'America/Los_Angeles')
        working_time = self.john.list_work_time_per_day(
            datetime_tz(2018, 4, 9, 0, 0, 0, tzinfo=self.john.tz),
            datetime_tz(2018, 4, 13, 23, 59, 59, tzinfo=self.john.tz),
        )
        self.assertEqual(working_time, [
            (date(2018, 4, 10), 8),
            (date(2018, 4, 13), 12),
        ])

        # half days
        leave = self.env['resource.calendar.leaves'].create({
            'name': 'small',
            'calendar_id': self.jean.resource_calendar_id.id,
            'resource_id': self.jean.resource_id.id,
            'date_from': datetime_str(2018, 4, 2, 10, 0, 0, tzinfo=self.jean.tz),
            'date_to': datetime_str(2018, 4, 2, 14, 0, 0, tzinfo=self.jean.tz),
        })

        working_time = self.jean.list_work_time_per_day(
            datetime_tz(2018, 4, 2, 0, 0, 0, tzinfo=self.jean.tz),
            datetime_tz(2018, 4, 6, 23, 0, 0, tzinfo=self.jean.tz),
        )
        self.assertEqual(working_time, [
            (date(2018, 4, 2), 4),
            (date(2018, 4, 3), 8),
            (date(2018, 4, 4), 8),
            (date(2018, 4, 5), 8),
            (date(2018, 4, 6), 8),
        ])

        leave.unlink()

        # very small size
        leave = self.env['resource.calendar.leaves'].create({
            'name': 'small',
            'calendar_id': self.jean.resource_calendar_id.id,
            'resource_id': self.jean.resource_id.id,
            'date_from': datetime_str(2018, 4, 2, 10, 0, 0, tzinfo=self.jean.tz),
            'date_to': datetime_str(2018, 4, 2, 10, 0, 1, tzinfo=self.jean.tz),
        })

        working_time = self.jean.list_work_time_per_day(
            datetime_tz(2018, 4, 2, 0, 0, 0, tzinfo=self.jean.tz),
            datetime_tz(2018, 4, 6, 23, 0, 0, tzinfo=self.jean.tz),
        )
        self.assertEqual(len(working_time), 5)
        self.assertEqual(working_time[0][0], date(2018, 4, 2))
        self.assertAlmostEqual(working_time[0][1], 8, 2)

        leave.unlink()

        # size 0
        leave = self.env['resource.calendar.leaves'].create({
            'name': 'zero',
            'calendar_id': self.jean.resource_calendar_id.id,
            'resource_id': self.jean.resource_id.id,
            'date_from': datetime_str(2018, 4, 2, 10, 0, 0, tzinfo=self.jean.tz),
            'date_to': datetime_str(2018, 4, 2, 10, 0, 0, tzinfo=self.jean.tz),
        })

        working_time = self.jean.list_work_time_per_day(
            datetime_tz(2018, 4, 2, 0, 0, 0, tzinfo=self.jean.tz),
            datetime_tz(2018, 4, 6, 23, 0, 0, tzinfo=self.jean.tz),
        )
        self.assertEqual(working_time, [
            (date(2018, 4, 2), 8),
            (date(2018, 4, 3), 8),
            (date(2018, 4, 4), 8),
            (date(2018, 4, 5), 8),
            (date(2018, 4, 6), 8),
        ])

        leave.unlink()


class TestTimezones(TestResourceCommon):
    def setUp(self):
        super(TestTimezones, self).setUp()

        self.tz1 = 'Etc/GMT+6'
        self.tz2 = 'Europe/Brussels'
        self.tz3 = 'Etc/GMT-10'
        self.tz4 = 'Etc/GMT+10'

    def test_work_hours_count(self):
        # When no timezone => UTC
        count = self.calendar_jean.get_work_hours_count(
            datetime_tz(2018, 4, 10, 8, 0, 0),
            datetime_tz(2018, 4, 10, 12, 0, 0),
        )
        self.assertEqual(count, 4)

        # This timezone is not the same as the calendar's one
        count = self.calendar_jean.get_work_hours_count(
            datetime_tz(2018, 4, 10, 8, 0, 0, tzinfo=self.tz1),
            datetime_tz(2018, 4, 10, 12, 0, 0, tzinfo=self.tz1),
        )
        self.assertEqual(count, 0)

        # Using two different timezones
        # 10-04-2018 06:00:00 - 10-04-2018 02:00:00
        count = self.calendar_jean.get_work_hours_count(
            datetime_tz(2018, 4, 10, 8, 0, 0, tzinfo=self.tz2),
            datetime_tz(2018, 4, 10, 12, 0, 0, tzinfo=self.tz3),
        )
        self.assertEqual(count, 0)

        # Using two different timezones
        # 2018-4-10 06:00:00 - 2018-4-10 22:00:00
        count = self.calendar_jean.get_work_hours_count(
            datetime_tz(2018, 4, 10, 8, 0, 0, tzinfo=self.tz2),
            datetime_tz(2018, 4, 10, 12, 0, 0, tzinfo=self.tz4),
        )
        self.assertEqual(count, 8)

    def test_plan_hours(self):
        dt = self.calendar_jean.plan_hours(10, datetime_tz(2018, 4, 10, 8, 0, 0))
        self.assertEqual(dt, datetime_tz(2018, 4, 11, 10, 0, 0))

        dt = self.calendar_jean.plan_hours(10, datetime_tz(2018, 4, 10, 8, 0, 0, tzinfo=self.tz4))
        self.assertEqual(dt, datetime_tz(2018, 4, 11, 22, 0, 0, tzinfo=self.tz4))

    def test_plan_days(self):
        dt = self.calendar_jean.plan_days(2, datetime_tz(2018, 4, 10, 8, 0, 0))
        self.assertEqual(dt, datetime_tz(2018, 4, 11, 14, 0, 0))

        # We lose one day because of timezone
        dt = self.calendar_jean.plan_days(2, datetime_tz(2018, 4, 10, 8, 0, 0, tzinfo=self.tz4))
        self.assertEqual(dt, datetime_tz(2018, 4, 12, 4, 0, 0, tzinfo=self.tz4))

    def test_work_data(self):
        # 09-04-2018 10:00:00 - 13-04-2018 18:00:00
        data = self.jean._get_work_days_data(
            datetime_tz(2018, 4, 9, 8, 0, 0),
            datetime_tz(2018, 4, 13, 16, 0, 0),
        )
        self.assertEqual(data, {'days': 4.75, 'hours': 38})

        # 09-04-2018 00:00:00 - 13-04-2018 08:00:00
        data = self.jean._get_work_days_data(
            datetime_tz(2018, 4, 9, 8, 0, 0, tzinfo=self.tz3),
            datetime_tz(2018, 4, 13, 16, 0, 0, tzinfo=self.tz3),
        )
        self.assertEqual(data, {'days': 4, 'hours': 32})

        # 09-04-2018 08:00:00 - 14-04-2018 12:00:00
        data = self.jean._get_work_days_data(
            datetime_tz(2018, 4, 9, 8, 0, 0, tzinfo=self.tz2),
            datetime_tz(2018, 4, 13, 16, 0, 0, tzinfo=self.tz4),
        )
        self.assertEqual(data, {'days': 5, 'hours': 40})

    def test_leave_data(self):
        self.env['resource.calendar.leaves'].create({
            'name': '',
            'calendar_id': self.jean.resource_calendar_id.id,
            'resource_id': self.jean.resource_id.id,
            'date_from': datetime_str(2018, 4, 9, 8, 0, 0, tzinfo=self.tz2),
            'date_to': datetime_str(2018, 4, 9, 14, 0, 0, tzinfo=self.tz2),
        })

        # 09-04-2018 10:00:00 - 13-04-2018 18:00:00
        data = self.jean._get_leave_days_data(
            datetime_tz(2018, 4, 9, 8, 0, 0),
            datetime_tz(2018, 4, 13, 16, 0, 0),
        )
        self.assertEqual(data, {'days': 0.5, 'hours': 4})

        # 09-04-2018 00:00:00 - 13-04-2018 08:00:00
        data = self.jean._get_leave_days_data(
            datetime_tz(2018, 4, 9, 8, 0, 0, tzinfo=self.tz3),
            datetime_tz(2018, 4, 13, 16, 0, 0, tzinfo=self.tz3),
        )
        self.assertEqual(data, {'days': 0.75, 'hours': 6})

        # 09-04-2018 08:00:00 - 14-04-2018 12:00:00
        data = self.jean._get_leave_days_data(
            datetime_tz(2018, 4, 9, 8, 0, 0, tzinfo=self.tz2),
            datetime_tz(2018, 4, 13, 16, 0, 0, tzinfo=self.tz4),
        )
        self.assertEqual(data, {'days': 0.75, 'hours': 6})

    def test_leaves(self):
        leave = self.env['resource.calendar.leaves'].create({
            'name': '',
            'calendar_id': self.jean.resource_calendar_id.id,
            'resource_id': self.jean.resource_id.id,
            'date_from': datetime_str(2018, 4, 9, 8, 0, 0, tzinfo=self.tz2),
            'date_to': datetime_str(2018, 4, 9, 14, 0, 0, tzinfo=self.tz2),
        })

        # 09-04-2018 10:00:00 - 13-04-2018 18:00:00
        leaves = self.jean.list_leaves(
            datetime_tz(2018, 4, 9, 8, 0, 0),
            datetime_tz(2018, 4, 13, 16, 0, 0),
        )
        self.assertEqual(leaves, [(date(2018, 4, 9), 4, leave)])

        # 09-04-2018 00:00:00 - 13-04-2018 08:00:00
        leaves = self.jean.list_leaves(
            datetime_tz(2018, 4, 9, 8, 0, 0, tzinfo=self.tz3),
            datetime_tz(2018, 4, 13, 16, 0, 0, tzinfo=self.tz3),
        )
        self.assertEqual(leaves, [(date(2018, 4, 9), 6, leave)])

        # 09-04-2018 08:00:00 - 14-04-2018 12:00:00
        leaves = self.jean.list_leaves(
            datetime_tz(2018, 4, 9, 8, 0, 0, tzinfo=self.tz2),
            datetime_tz(2018, 4, 13, 16, 0, 0, tzinfo=self.tz4),
        )
        self.assertEqual(leaves, [(date(2018, 4, 9), 6, leave)])

    def test_works(self):
        work = self.jean.list_work_time_per_day(
            datetime_tz(2018, 4, 9, 8, 0, 0),
            datetime_tz(2018, 4, 13, 16, 0, 0),
        )
        self.assertEqual(work, [
            (date(2018, 4, 9), 6),
            (date(2018, 4, 10), 8),
            (date(2018, 4, 11), 8),
            (date(2018, 4, 12), 8),
            (date(2018, 4, 13), 8),
        ])

        work = self.jean.list_work_time_per_day(
            datetime_tz(2018, 4, 9, 8, 0, 0, tzinfo=self.tz3),
            datetime_tz(2018, 4, 13, 16, 0, 0, tzinfo=self.tz3),
        )
        self.assertEqual(len(work), 4)
        self.assertEqual(work, [
            (date(2018, 4, 9), 8),
            (date(2018, 4, 10), 8),
            (date(2018, 4, 11), 8),
            (date(2018, 4, 12), 8),
        ])

        work = self.jean.list_work_time_per_day(
            datetime_tz(2018, 4, 9, 8, 0, 0, tzinfo=self.tz2),
            datetime_tz(2018, 4, 13, 16, 0, 0, tzinfo=self.tz4),
        )
        self.assertEqual(work, [
            (date(2018, 4, 9), 8),
            (date(2018, 4, 10), 8),
            (date(2018, 4, 11), 8),
            (date(2018, 4, 12), 8),
            (date(2018, 4, 13), 8),
        ])
