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

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"""
Author: Adolfo Gómez, dkmaster at dkmon dot com
"""
import typing
import datetime
import logging

from uds import models
from uds.models.calendar_rule import  FrequencyInfo, DurationInfo
#FREQ_NAMES, dunits, WEEKDAYS_LIST
from ...utils.test import UDSTestCase

if typing.TYPE_CHECKING:
    pass

logger = logging.getLogger(__name__)

FREQ_NAMES: typing.Final[list[str]] = [i.name for i in FrequencyInfo]
DURATION_UNITS: typing.Final[list[str]] = [i.name for i in DurationInfo]

class ModelCalendarTest(UDSTestCase):
    def test_calendar(self) -> None:
        # Ensure we can create some calendars
        for i in range(32):
            calendar = models.Calendar.objects.create(
                name='Test Calendar' + str(i),
                comments='Test Calendar Comments' + str(i),
            )

        # Ensure that calendars exists on DB
        self.assertEqual(models.Calendar.objects.count(), 32)

        # Ensure that all calendars are emtpy
        for calendar in models.Calendar.objects.all():
            self.assertEqual(calendar.rules.all().count(), 0)

        # Ensure that we can add rules to calendars
        # random, no test is done here
        for calendar in models.Calendar.objects.all():
            for i in range(32):
                calendar.rules.create(
                    name=str(i),
                    comments='Test Rule Comments' + str(i),
                    start=datetime.datetime(2009+i, (i%12)+1, (i%28)+1, (i%24), (i%60)),
                    end=datetime.date(2010+i, (i%12)+1, (i%28)+1),
                    frequency=FREQ_NAMES[i%len(FREQ_NAMES)],
                    interval=1,
                    duration=i,
                    duration_unit=DURATION_UNITS[i%len(DURATION_UNITS)],
                )
            # Also add a weekday interval
            calendar.rules.create(
                name='Test Rule Weekday',
                comments='Test Rule Comments Weekday',
                start=datetime.datetime(2009, 1, 1, 0, 0),
                end=datetime.datetime(2010, 1, 1, 0, 0),
                frequency='WEEKLY',
                interval=0b1111111,  # Every bit is set, so every day, first (LSB) bit is sunday
                duration=1,
                duration_unit='WEEKS',
            )

        # Ensure that all calendars have rules
        # and the rules are correct
        for calendar in models.Calendar.objects.all():
            self.assertEqual(calendar.rules.all().count(), 33)
            for rule in calendar.rules.all():
                try:
                    i = int(rule.name)
                except ValueError: # Weekday rule
                    continue
                self.assertEqual(rule.comments, 'Test Rule Comments' + str(i))
                self.assertEqual(rule.start, datetime.datetime(2009+i, (i%12)+1, (i%28)+1, (i%24), (i%60)))
                self.assertEqual(rule.end, datetime.date(2010+i, (i%12)+1, (i%28)+1))
                self.assertEqual(rule.frequency, FREQ_NAMES[i%len(FREQ_NAMES)])
                self.assertEqual(rule.interval, 1)
                self.assertEqual(rule.duration, i)
                self.assertEqual(rule.duration_unit, DURATION_UNITS[i%len(DURATION_UNITS)])