from django.test import TestCase
from core.models import TradingTime, User
from datetime import datetime, time

class MarketTestCase(TestCase):
    def setUp(self):
        # Create a test user
        self.user = User.objects.create_user(
            username="testuser",
            email="test@example.com",
        )
        self.time_9 = time(9, 0, 0)
        self.time_11 = time(11, 0, 0)
        self.time_14 = time(14, 0, 0)
        self.time_16 = time(16, 0, 0)

    def test_time_within_range(self):
        """
        Check the method of TradingTime model works as expected.
        We check two dates, one that is within the range and one that is not.
        """
        test_time = datetime(2022, 11, 28, 10, 0, 0)

        trading_time = TradingTime.objects.create(
            user = self.user,
            start_day = 1,
            end_day = 1,
            start_time = self.time_9,
            end_time = self.time_11,
        )

        self.assertTrue(trading_time.within_range(test_time))

    def test_time_within_range_fail(self):
        """
        Check the method of TradingTime model works as expected.
        We check two dates, one that is within the range and one that is not.
        """
        test_time = datetime(2022, 11, 28, 10, 0, 0)
        trading_time = TradingTime.objects.create(
            user = self.user,
            start_day = 1,
            end_day = 1,
            start_time = self.time_14,
            end_time = self.time_16,
        )

        self.assertFalse(trading_time.within_range(test_time))

    def test_time_within_range_across_days(self):
        test_time = datetime(2022, 11, 28, 20, 0, 0)

        trading_time = TradingTime.objects.create(
            user = self.user,
            start_day = 1, # Monday
            end_day = 6, # Saturday
            start_time = self.time_9,
            end_time = self.time_11,
        )

        self.assertTrue(trading_time.within_range(test_time))

    def test_time_within_range_across_days_fail(self):
        # Set test time Monday, 28 November, 2022, 13:00:00
        test_time = datetime(2022, 11, 28, 13, 0, 0)
        trading_time = TradingTime.objects.create(
            user = self.user,
            start_day = 1,
            end_day = 6,
            start_time = self.time_14,
            end_time = self.time_16,
        )

        self.assertFalse(trading_time.within_range(test_time))

    def test_time_within_range_day_mismatch(self):
        """
        Check that the day of the week is taken into account.
        """
        test_time = datetime(2022, 11, 29, 8, 0, 0)

        trading_time = TradingTime.objects.create(
            user = self.user,
            start_day = 2, # Tuesday
            end_day = 6,
            start_time = self.time_9,
            end_time = self.time_11,
        )

        self.assertFalse(trading_time.within_range(test_time))