from __future__ import annotations

import asyncio
import uuid
from types import SimpleNamespace

from cpv3.infrastructure.storage.types import FileInfo
from cpv3.modules.media import service as media_service
from cpv3.modules.tasks import service as task_service


def test_extract_ffmpeg_out_time_ms_prefers_out_time_us() -> None:
    assert media_service._extract_ffmpeg_out_time_ms(
        {
            "out_time_us": "2500000",
            "out_time_ms": "1000000",
        }
    ) == 2500.0


def test_extract_ffmpeg_out_time_ms_supports_legacy_out_time_ms_field() -> None:
    assert media_service._extract_ffmpeg_out_time_ms(
        {
            "out_time_ms": "1250000",
        }
    ) == 1250.0


def test_extract_ffmpeg_out_time_ms_returns_none_for_invalid_values() -> None:
    assert media_service._extract_ffmpeg_out_time_ms(
        {
            "out_time_us": "N/A",
        }
    ) is None


def test_media_convert_actor_emits_precise_progress_updates(monkeypatch) -> None:
    sent_events: list[task_service.TaskWebhookEvent] = []

    async def fake_convert_to_mp4(
        _storage: object,
        *,
        file_key: str,
        out_folder: str,
        on_progress,
    ) -> FileInfo:
        assert file_key == "uploads/source.mov"
        assert out_folder == "projects/1"

        on_progress("converting", 0.0)
        on_progress("converting", 50.0)
        on_progress("uploading", None)

        return FileInfo(
            file_path="projects/1/converted/output.mp4",
            file_url="https://example.com/output.mp4",
            file_size=1234,
            filename="output.mp4",
        )

    monkeypatch.setattr(media_service, "convert_to_mp4", fake_convert_to_mp4)
    monkeypatch.setattr(task_service, "_run_async", asyncio.run)
    monkeypatch.setattr(task_service, "_raise_if_job_cancelled", lambda _job_id: None)
    monkeypatch.setattr(task_service, "_get_storage_service", lambda: object())
    monkeypatch.setattr(task_service, "PROGRESS_CONVERT_THROTTLE_SECONDS", 0.0)
    monkeypatch.setattr(
        task_service,
        "_send_webhook_event",
        lambda _url, event: sent_events.append(event),
    )

    task_service.media_convert_actor.fn(
        job_id=str(uuid.uuid4()),
        webhook_url="http://backend.test/api/tasks/webhook/job-1/",
        file_key="uploads/source.mov",
        out_folder="projects/1",
        output_format="mp4",
    )

    progress_events = [
        (event.progress_pct, event.current_message)
        for event in sent_events
        if event.progress_pct is not None
    ]

    assert progress_events == [
        (5.0, "Подготовка файла"),
        (10.0, "Конвертация видео"),
        (52.5, "Конвертация видео"),
        (95.0, "Загрузка результата"),
        (99.0, "Сохранение результата"),
        (100.0, "Завершено"),
    ]