# -*- coding: utf-8 -*-
from datetime import date
from odoo.tests.common import TransactionCase, tagged


@tagged('post_install', '-at_install')
class TestTaskTz(TransactionCase):

    @classmethod
    def setUpClass(cls):
        super().setUpClass()
        # _compute_datetimes resolves company resource-calendar tz FIRST, then user tz.
        # Set BOTH to Toronto so the UTC assertion and the round-trip are deterministic.
        cls.env.user.tz = 'America/Toronto'
        cal = cls.env.company.resource_calendar_id
        if cal:
            cal.tz = 'America/Toronto'
        # technician_id is required (domain x_fc_is_field_staff=True) -> make a field tech.
        cls.tech = cls.env['res.users'].create({
            'name': 'TZ Test Tech',
            'login': 'tz_test_tech_svcbook',
            'x_fc_is_field_staff': True,
        })
        # A FUTURE date in July so the task is not "in the past" (the base
        # _check_no_overlap constraint rejects past dates) and Toronto is firmly
        # in EDT (-4), keeping the 9:00 -> 13:00 UTC assertion deterministic.
        cls.task = cls.env['fusion.technician.task'].create({
            'technician_id': cls.tech.id,
            'scheduled_date': date(date.today().year + 1, 7, 1),
            'time_start': 9.0,
            'time_end': 10.0,
        })

    def test_local_to_utc_compute(self):
        # 9:00 local Toronto (EDT, -4) -> 13:00 UTC stored
        self.assertEqual(self.task.datetime_start.hour, 13)

    def test_inverse_round_trips_with_same_tz(self):
        # writing datetime_start back recovers the same local time_start
        self.task.datetime_start = self.task.datetime_start  # force inverse
        self.task.flush_recordset(['datetime_start'])
        self.assertAlmostEqual(self.task.time_start, 9.0, places=2)