"""Тесты для utils/morning_runner.py — Scheduler и run_morning."""

import asyncio
from datetime import datetime
from unittest.mock import AsyncMock, MagicMock, patch, PropertyMock

import discord
import pytest

from utils.morning_runner import Scheduler, run_morning


class TestSchedulerInit:
    """Тесты инициализации Scheduler."""

    def test_init_sets_morning_time(self):
        """Инициализация должна устанавливать время."""
        bot = AsyncMock()
        mock_loop = MagicMock()
        with patch("utils.morning_runner.tasks.loop", return_value=mock_loop):
            scheduler = Scheduler(bot, "08:30")
        assert scheduler.morning_time == "08:30"

    def test_init_default_morning_time(self):
        """Инициализация с дефолтным временем."""
        bot = AsyncMock()
        mock_loop = MagicMock()
        with patch("utils.morning_runner.tasks.loop", return_value=mock_loop):
            scheduler = Scheduler(bot)
        assert scheduler.morning_time == "07:00"

    def test_init_creates_loop(self):
        """Инициализация должна создавать loop."""
        bot = AsyncMock()
        mock_loop = MagicMock()
        with patch("utils.morning_runner.tasks.loop", return_value=mock_loop):
            scheduler = Scheduler(bot)
        assert scheduler.morning_loop is not None


class TestSchedulerCalculateNextRun:
    """Тесты расчёта следующего запуска."""

    @pytest.fixture(autouse=True)
    def _mock_loop(self):
        """Замокать tasks.loop, чтобы не создавать реальный coroutine."""
        with patch("utils.morning_runner.tasks.loop", return_value=MagicMock()):
            yield

    def test_next_run_today_before_time(self):
        """Если сейчас раньше времени — вернуть сегодня."""
        bot = AsyncMock()
        scheduler = Scheduler(bot, "14:00")

        with patch("utils.morning_runner.datetime") as mock_dt:
            mock_dt.now.return_value = datetime(2026, 5, 29, 10, 0, 0)
            next_run = scheduler._calculate_next_run()
            assert next_run == datetime(2026, 5, 29, 14, 0, 0)

    def test_next_run_tomorrow_after_time(self):
        """Если сейчас позже времени — вернуть завтра."""
        bot = AsyncMock()
        scheduler = Scheduler(bot, "14:00")

        with patch("utils.morning_runner.datetime") as mock_dt:
            mock_dt.now.return_value = datetime(2026, 5, 29, 15, 0, 0)
            next_run = scheduler._calculate_next_run()
            assert next_run == datetime(2026, 5, 30, 14, 0, 0)

    def test_next_run_exact_time(self):
        """Если сейчас ровно время — вернуть завтра."""
        bot = AsyncMock()
        scheduler = Scheduler(bot, "14:00")

        with patch("utils.morning_runner.datetime") as mock_dt:
            mock_dt.now.return_value = datetime(2026, 5, 29, 14, 0, 0)
            next_run = scheduler._calculate_next_run()
            assert next_run == datetime(2026, 5, 30, 14, 0, 0)


class TestSchedulerStartStop:
    """Тесты запуска/остановки планировщика."""

    @pytest.fixture(autouse=True)
    def _mock_loop(self):
        """Замокать tasks.loop, чтобы не создавать реальный coroutine."""
        with patch("utils.morning_runner.tasks.loop", return_value=MagicMock()):
            yield

    def test_start_starts_loop(self):
        """start() должен вызывать start() на loop."""
        bot = AsyncMock()
        scheduler = Scheduler(bot)
        loop_mock = MagicMock()
        scheduler.morning_loop = loop_mock

        scheduler.start()
        loop_mock.start.assert_called_once()

    def test_stop_stops_loop(self):
        """stop() должен вызывать stop() на loop."""
        bot = AsyncMock()
        scheduler = Scheduler(bot)
        loop_mock = MagicMock()
        scheduler.morning_loop = loop_mock

        scheduler.stop()
        loop_mock.stop.assert_called_once()


class TestSchedulerCheckAndRun:
    """Тесты проверки и запуска morning."""

    @pytest.mark.asyncio
    async def test_check_and_run_same_day_no_duplicate(self):
        """Не должен запускать дважды в один день."""
        bot = AsyncMock()
        scheduler = Scheduler(bot, "07:00")
        scheduler._last_run_date = datetime.now().day

        with patch("utils.morning_runner.datetime") as mock_dt:
            mock_dt.now.return_value = datetime(2026, 5, 29, 7, 0, 0)
            await scheduler._check_and_run_morning()

        # run_morning не должен вызываться
        assert scheduler._last_run_date == datetime.now().day


class TestRunMorning:
    """Тесты run_morning."""

    @pytest.mark.asyncio
    async def test_run_morning_sends_embed(self):
        """run_morning должен отправлять embed в канал."""
        bot = AsyncMock()
        channel = AsyncMock()
        channel.name = "test-channel"
        channel.guild.me = MagicMock()
        channel.permissions_for.return_value.send_messages = True

        weather_data = {
            "current_condition": [
                {"temp_C": "20", "FeelsLikeC": "22", "weatherDesc": [{"value": "Clear"}], "humidity": "50", "windspeedKmph": "10", "pressure": "1013"}
            ]
        }
        articles = [{"title": "Test", "link": "http://test.com", "pub_date": "Mon, 01 Jan 2026 00:00:00 GMT", "creator": "", "tags": []}]
        posts = [{"title": "Test", "link": "http://test.com", "pub_date": "Mon, 01 Jan 2026 00:00:00 GMT", "creator": "", "tags": []}]

        with patch("utils.morning_runner.fetch_weather", new=AsyncMock(return_value=weather_data)), \
             patch("utils.morning_runner.fetch_rss", new=AsyncMock(side_effect=[articles, posts])), \
             patch("utils.morning_runner.fetch_cat", new=AsyncMock(return_value="http://cat.jpg")), \
             patch("utils.morning_runner.discord.Embed") as mock_embed:
            await run_morning(bot, channel)

        channel.send.assert_called_once()
        call_args = channel.send.call_args[1]
        assert "embed" in call_args
        assert call_args["embed"] is not None