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

"""

Tests for discord.ext.tasks

"""

import asyncio
import datetime

import pytest

from discord import utils
from discord.ext import tasks


@pytest.mark.asyncio
async def test_explicit_initial_runs_tomorrow_single():
    now = utils.utcnow()

    if not ((0, 4) < (now.hour, now.minute) < (23, 59)):
        await asyncio.sleep(5 * 60)  # sleep for 5 minutes

    now = utils.utcnow()

    has_run = False

    async def inner():
        nonlocal has_run
        has_run = True

    time = utils.utcnow() - datetime.timedelta(minutes=1)

    # a loop that should have an initial run tomorrow
    loop = tasks.loop(time=datetime.time(hour=time.hour, minute=time.minute))(inner)

    loop.start()
    await asyncio.sleep(1)

    try:
        assert not has_run
    finally:
        loop.cancel()


@pytest.mark.asyncio
async def test_explicit_initial_runs_tomorrow_multi():
    now = utils.utcnow()

    if not ((0, 4) < (now.hour, now.minute) < (23, 59)):
        await asyncio.sleep(5 * 60)  # sleep for 5 minutes

    now = utils.utcnow()

    # multiple times that are in the past for today
    times = []
    for _ in range(3):
        now -= datetime.timedelta(minutes=1)
        times.append(datetime.time(hour=now.hour, minute=now.minute))

    has_run = False

    async def inner():
        nonlocal has_run
        has_run = True

    # a loop that should have an initial run tomorrow
    loop = tasks.loop(time=times)(inner)

    loop.start()
    await asyncio.sleep(1)

    try:
        assert not has_run
    finally:
        loop.cancel()


def test_task_regression_issue7659():
    jst = datetime.timezone(datetime.timedelta(hours=9))

    # 00:00, 03:00, 06:00, 09:00, 12:00, 15:00, 18:00, 21:00
    times = [datetime.time(hour=h, tzinfo=jst) for h in range(0, 24, 3)]

    @tasks.loop(time=times)
    async def loop():
        pass

    before_midnight = datetime.datetime(2022, 3, 12, 23, 50, 59, tzinfo=jst)
    after_midnight = before_midnight + datetime.timedelta(minutes=9, seconds=2)

    expected_before_midnight = datetime.datetime(2022, 3, 13, 0, 0, 0, tzinfo=jst)
    expected_after_midnight = datetime.datetime(2022, 3, 13, 3, 0, 0, tzinfo=jst)

    assert loop._get_next_sleep_time(before_midnight) == expected_before_midnight
    assert loop._get_next_sleep_time(after_midnight) == expected_after_midnight