"""infrastructure/container.py 装配容器单元测试。

覆盖 ``yuxi.scheduler.infrastructure.container`` 模块的两个 factory 函数：
- ``create_scheduler_service``：api 进程请求级 factory（handler_registry=None）
- ``create_worker_scheduler_service``：worker 进程请求级 factory（完整 runtime）

验证装配结果 ``SchedulerService`` 实例的依赖注入正确性。
"""

from __future__ import annotations

from unittest.mock import MagicMock, patch

import pytest

from yuxi.scheduler.framework.runtime import HandlerRegistry, RuntimeServices
from yuxi.scheduler.infrastructure.container import (
    SchedulerService,
    create_scheduler_service,
    create_worker_scheduler_service,
)


pytestmark = pytest.mark.unit


@pytest.fixture
def db_session() -> MagicMock:
    """提供 MagicMock 模拟 AsyncSession。"""
    return MagicMock()


# ─── create_scheduler_service ─────────────────────────────────────────────


@pytest.mark.unit
class TestCreateSchedulerService:
    def test_returns_scheduler_service_instance(self, db_session: MagicMock):
        # Arrange & Act
        with patch("yuxi.scheduler.infrastructure.container.app_config"):
            service = create_scheduler_service(db_session)
        # Assert
        assert isinstance(service, SchedulerService)

    def test_handler_registry_is_none(self, db_session: MagicMock):
        # Arrange & Act - api 进程 handler_registry=None
        with patch("yuxi.scheduler.infrastructure.container.app_config"):
            service = create_scheduler_service(db_session)
        # Assert
        assert service._runtime.handler_registry is None

    def test_arq_pool_defaults_to_none(self, db_session: MagicMock):
        with patch("yuxi.scheduler.infrastructure.container.app_config"):
            service = create_scheduler_service(db_session)
        assert service._runtime.arq_pool is None

    def test_arq_pool_passed_through(self, db_session: MagicMock):
        # Arrange
        pool = MagicMock()
        # Act
        with patch("yuxi.scheduler.infrastructure.container.app_config"):
            service = create_scheduler_service(db_session, arq_pool=pool)
        # Assert
        assert service._runtime.arq_pool is pool

    def test_repos_injected(self, db_session: MagicMock):
        with patch("yuxi.scheduler.infrastructure.container.app_config"):
            service = create_scheduler_service(db_session)
        # Assert - 4 个仓储实例被注入
        assert service._repos.task is not None
        assert service._repos.run_log is not None
        assert service._repos.run_log_daily is not None
        assert service._repos.idempotency is not None

    def test_uow_injected(self, db_session: MagicMock):
        with patch("yuxi.scheduler.infrastructure.container.app_config"):
            service = create_scheduler_service(db_session)
        assert service._uow is not None

    def test_config_injected(self, db_session: MagicMock):
        with patch("yuxi.scheduler.infrastructure.container.app_config") as mock_config:
            service = create_scheduler_service(db_session)
        assert service._runtime.config is mock_config


# ─── create_worker_scheduler_service ──────────────────────────────────────


@pytest.mark.unit
class TestCreateWorkerSchedulerService:
    def test_returns_scheduler_service_instance(self, db_session: MagicMock):
        # Arrange
        registry = HandlerRegistry()
        pool = MagicMock()
        # Act
        with patch("yuxi.scheduler.infrastructure.container.app_config"):
            service = create_worker_scheduler_service(
                db_session, handler_registry=registry, arq_pool=pool
            )
        # Assert
        assert isinstance(service, SchedulerService)

    def test_handler_registry_injected(self, db_session: MagicMock):
        registry = HandlerRegistry()
        pool = MagicMock()
        with patch("yuxi.scheduler.infrastructure.container.app_config"):
            service = create_worker_scheduler_service(
                db_session, handler_registry=registry, arq_pool=pool
            )
        assert service._runtime.handler_registry is registry

    def test_arq_pool_injected(self, db_session: MagicMock):
        registry = HandlerRegistry()
        pool = MagicMock()
        with patch("yuxi.scheduler.infrastructure.container.app_config"):
            service = create_worker_scheduler_service(
                db_session, handler_registry=registry, arq_pool=pool
            )
        assert service._runtime.arq_pool is pool

    def test_repos_injected(self, db_session: MagicMock):
        registry = HandlerRegistry()
        pool = MagicMock()
        with patch("yuxi.scheduler.infrastructure.container.app_config"):
            service = create_worker_scheduler_service(
                db_session, handler_registry=registry, arq_pool=pool
            )
        assert service._repos.task is not None
        assert service._repos.run_log is not None
        assert service._repos.run_log_daily is not None
        assert service._repos.idempotency is not None

    def test_uow_injected(self, db_session: MagicMock):
        registry = HandlerRegistry()
        pool = MagicMock()
        with patch("yuxi.scheduler.infrastructure.container.app_config"):
            service = create_worker_scheduler_service(
                db_session, handler_registry=registry, arq_pool=pool
            )
        assert service._uow is not None


# ─── RuntimeServices 装配 ─────────────────────────────────────────────────


@pytest.mark.unit
class TestRuntimeServicesAssembly:
    def test_api_runtime_has_none_registry(self, db_session: MagicMock):
        with patch("yuxi.scheduler.infrastructure.container.app_config"):
            service = create_scheduler_service(db_session)
        # Assert - RuntimeServices dataclass 字段正确
        assert isinstance(service._runtime, RuntimeServices)
        assert service._runtime.handler_registry is None

    def test_worker_runtime_has_registry_and_pool(self, db_session: MagicMock):
        registry = HandlerRegistry()
        pool = MagicMock()
        with patch("yuxi.scheduler.infrastructure.container.app_config"):
            service = create_worker_scheduler_service(
                db_session, handler_registry=registry, arq_pool=pool
            )
        assert isinstance(service._runtime, RuntimeServices)
        assert service._runtime.handler_registry is registry
        assert service._runtime.arq_pool is pool