from typing import Dict

import pytest
from conftest import assert_logs

from ytdl_sub.plugins.throttle_protection import logger as throttle_protection_logger
from ytdl_sub.subscriptions.subscription import Subscription


@pytest.fixture
def throttle_subscription_dict(output_directory) -> Dict:
    return {
        "preset": [
            "Kodi Music Videos",
        ],
        "overrides": {
            "url": "https://your.name.here",
            "music_video_directory": output_directory,
            "bool_false_variable": "{ %bool(False) }",
            "empty_string_variable": "",
        },
        "throttle_protection": {
            "sleep_per_download_s": {
                "min": 0.01,
                "max": 0.01,
            },
            "sleep_per_subscription_s": {
                "min": 0.02,
                "max": 0.02,
            },
            "subscription_download_probability": 1.0,
        },
    }


class TestThrottleProtectionPlugin:
    def test_sleeps_log(
        self,
        config,
        subscription_name,
        throttle_subscription_dict,
        output_directory,
        mock_download_collection_entries,
    ):
        subscription = Subscription.from_dict(
            config=config,
            preset_name=subscription_name,
            preset_dict=throttle_subscription_dict,
        )

        with (
            mock_download_collection_entries(
                is_youtube_channel=False, num_urls=1, is_extracted_audio=False
            ),
            assert_logs(
                logger=throttle_protection_logger,
                expected_message="Sleeping between downloads for %0.2f seconds",
                log_level="debug",
                expected_occurrences=4,
            ),
        ):
            _ = subscription.download(dry_run=False)

        with (
            mock_download_collection_entries(
                is_youtube_channel=False, num_urls=1, is_extracted_audio=False
            ),
            assert_logs(
                logger=throttle_protection_logger,
                expected_message="Sleeping between subscriptions for %0.2f seconds",
                log_level="debug",
                expected_occurrences=1,
            ),
        ):
            _ = subscription.download(dry_run=False)

    @pytest.mark.parametrize(
        "disable_value",
        [
            "",
            False,
            "{bool_false_variable}",
            "{empty_string_variable}",
        ],
    )
    def test_disabled(
        self,
        config,
        subscription_name,
        throttle_subscription_dict,
        output_directory,
        mock_download_collection_entries,
        disable_value,
    ):
        throttle_subscription_dict["throttle_protection"]["enable"] = disable_value
        subscription = Subscription.from_dict(
            config=config,
            preset_name=subscription_name,
            preset_dict=throttle_subscription_dict,
        )

        with (
            mock_download_collection_entries(
                is_youtube_channel=False, num_urls=1, is_extracted_audio=False
            ),
            assert_logs(
                logger=throttle_protection_logger,
                expected_message="Sleeping between downloads for %0.2f seconds",
                log_level="debug",
                expected_occurrences=0,
            ),
        ):
            _ = subscription.download(dry_run=False)

    def test_max_downloads(
        self,
        config,
        subscription_name,
        throttle_subscription_dict,
        output_directory,
        mock_download_collection_entries,
    ):
        throttle_subscription_dict["throttle_protection"] = {
            "max_downloads_per_subscription": {"max": 0}
        }
        subscription = Subscription.from_dict(
            config=config,
            preset_name=subscription_name,
            preset_dict=throttle_subscription_dict,
        )

        with (
            mock_download_collection_entries(
                is_youtube_channel=False, num_urls=1, is_extracted_audio=False, is_dry_run=True
            ),
            assert_logs(
                logger=throttle_protection_logger,
                expected_message="Reached subscription max downloads of %d",
                log_level="info",
                expected_occurrences=1,
            ),
        ):
            transaction_log = subscription.download(dry_run=True)

        assert transaction_log.is_empty

    def test_subscription_proba(
        self,
        config,
        subscription_name,
        throttle_subscription_dict,
        output_directory,
        mock_download_collection_entries,
    ):
        throttle_subscription_dict["throttle_protection"] = {
            "subscription_download_probability": 0.0
        }
        subscription = Subscription.from_dict(
            config=config,
            preset_name=subscription_name,
            preset_dict=throttle_subscription_dict,
        )

        with (
            mock_download_collection_entries(
                is_youtube_channel=False, num_urls=1, is_extracted_audio=False, is_dry_run=True
            ),
            assert_logs(
                logger=throttle_protection_logger,
                expected_message="Subscription download probability of",
                log_level="info",
                expected_occurrences=1,
            ),
        ):
            transaction_log = subscription.download(dry_run=True)

        assert transaction_log.is_empty