"""worker.py — job_type 디스패처 (4 provider)."""
import pytest
from unittest.mock import patch

import worker


def test_dispatch_sora_calls_run_sora_generation():
    payload = {"task_id": "t1", "job_type": "sora_generation", "params": {"prompt": "x"}}
    with patch("worker.run_sora_generation") as m:
        worker._dispatch(payload)
        m.assert_called_once_with("t1", {"prompt": "x"})


def test_dispatch_veo_calls_run_veo_generation():
    payload = {"task_id": "t2", "job_type": "veo_generation", "params": {"prompt": "x"}}
    with patch("worker.run_veo_generation") as m:
        worker._dispatch(payload)
        m.assert_called_once_with("t2", {"prompt": "x"})


def test_dispatch_kling_calls_run_kling_generation():
    payload = {"task_id": "t3", "job_type": "kling_generation", "params": {"prompt": "x"}}
    with patch("worker.run_kling_generation") as m:
        worker._dispatch(payload)
        m.assert_called_once_with("t3", {"prompt": "x"})


def test_dispatch_seedance_calls_run_seedance_generation():
    payload = {"task_id": "t4", "job_type": "seedance_generation", "params": {"prompt": "x"}}
    with patch("worker.run_seedance_generation") as m:
        worker._dispatch(payload)
        m.assert_called_once_with("t4", {"prompt": "x"})


def test_dispatch_unknown_job_type_logs_error():
    payload = {"task_id": "t5", "job_type": "weird_type", "params": {}}
    with patch("worker.webhook_update_task") as m:
        worker._dispatch(payload)
        m.assert_called_once()
        args = m.call_args[0]
        assert args[0] == "t5"
        assert args[1] == "failed"


# ----- F6: ReliableQueue poll_once -----

import json
from unittest.mock import AsyncMock, MagicMock


@pytest.mark.asyncio
async def test_poll_once_acks_on_success(monkeypatch):
    payload = {"task_id": "t1", "job_type": "sora_generation", "params": {}}
    raw = json.dumps(payload).encode()
    fake_queue = AsyncMock()
    fake_queue.dequeue = AsyncMock(return_value=(payload, raw))
    fake_queue.ack = AsyncMock()
    fake_queue.fail = AsyncMock()
    monkeypatch.setattr(worker, "_dispatch", MagicMock())
    handled = await worker.poll_once(fake_queue)
    assert handled is True
    fake_queue.ack.assert_awaited_once_with(raw)
    fake_queue.fail.assert_not_awaited()


@pytest.mark.asyncio
async def test_poll_once_calls_fail_on_dispatch_exception(monkeypatch):
    payload = {"task_id": "t2", "job_type": "sora_generation", "params": {}}
    raw = json.dumps(payload).encode()
    fake_queue = AsyncMock()
    fake_queue.dequeue = AsyncMock(return_value=(payload, raw))
    fake_queue.ack = AsyncMock()
    fake_queue.fail = AsyncMock()

    def _boom(p):
        raise RuntimeError("dispatch crash")

    monkeypatch.setattr(worker, "_dispatch", _boom)
    handled = await worker.poll_once(fake_queue)
    assert handled is True
    fake_queue.fail.assert_awaited_once_with(raw, payload)
    fake_queue.ack.assert_not_awaited()


@pytest.mark.asyncio
async def test_poll_once_returns_false_on_timeout(monkeypatch):
    fake_queue = AsyncMock()
    fake_queue.dequeue = AsyncMock(return_value=None)
    fake_queue.ack = AsyncMock()
    fake_queue.fail = AsyncMock()
    monkeypatch.setattr(worker, "_dispatch", MagicMock())
    handled = await worker.poll_once(fake_queue)
    assert handled is False
    fake_queue.ack.assert_not_awaited()
    fake_queue.fail.assert_not_awaited()


# ----- heartbeat stats 카운터 -----

class _OneJobQueue:
    def __init__(self): self.acked = False
    async def dequeue(self, timeout=5):
        if self.acked: return None
        return ({"job_type": "sora_generation", "task_id": "t1", "params": {}}, b"raw")
    async def ack(self, raw): self.acked = True
    async def fail(self, raw, payload): pass


@pytest.mark.asyncio
async def test_poll_once_increments_jobs_done(monkeypatch):
    worker.stats.jobs_done = 0
    monkeypatch.setattr(worker, "run_sora_generation", lambda task_id, params: None)
    handled = await worker.poll_once(_OneJobQueue())
    assert handled is True
    assert worker.stats.jobs_done == 1
    assert worker.stats.busy is False
    assert worker.stats.last_job_at is not None
