"""plugin.py DTO 单元测试。

覆盖 ``Permission`` / ``EnvVar`` / ``DomainEvent`` / ``PluginSummary`` /
``InstallPluginCmd`` / ``InstallPluginResult`` / ``UninstallPluginResult`` /
``PluginConfigResult`` / ``UpdatePluginConfigCmd`` /
``BatchPluginLifecycleCmd`` / ``BatchPluginLifecycleResult`` 的字段赋值、
默认值、不可变语义与 ``__post_init__`` 校验逻辑。
"""

from __future__ import annotations

import dataclasses
from datetime import datetime

import pytest
from yuxi.channels.contract.dtos.common import Operator, OperatorRole
from yuxi.channels.contract.dtos.plugin import (
    BatchPluginLifecycleCmd,
    BatchPluginLifecycleResult,
    BatchPluginLifecycleSuccessItem,
    DomainEvent,
    EnvVar,
    InstallPluginCmd,
    InstallPluginResult,
    Permission,
    PluginConfigResult,
    PluginSummary,
    UninstallPluginResult,
    UpdatePluginConfigCmd,
)
from yuxi.channels.contract.errors import ValidationError

pytestmark = pytest.mark.unit


def _make_operator() -> Operator:
    return Operator(user_id="admin-1", role=OperatorRole.SUPERADMIN_USER)


@pytest.mark.unit
class TestPermission:
    """权限等级枚举测试。"""

    def test_str_values(self):
        assert Permission.REQUIRED_USER == "required_user"
        assert Permission.ADMIN_USER == "admin_user"
        assert Permission.SUPERADMIN_USER == "superadmin_user"


@pytest.mark.unit
class TestEnvVar:
    """环境变量声明 DTO 测试。"""

    def test_defaults(self):
        # Act
        var = EnvVar(name="API_KEY", description="API key")
        # Assert
        assert var.required is True
        assert var.default is None
        assert var.sensitive is False


@pytest.mark.unit
class TestDomainEvent:
    """领域事件 DTO 测试。"""

    def test_fields_are_assigned_with_defaults(self):
        # Act
        event = DomainEvent(
            event_id="evt-1",
            event_type="PluginLoaded",
            payload={"key": "value"},
            timestamp=datetime(2024, 1, 1),
        )
        # Assert
        assert event.trace_id is None


@pytest.mark.unit
class TestPluginSummary:
    """插件摘要 DTO 测试。"""

    def test_fields_are_assigned(self):
        # Act
        summary = PluginSummary(
            plugin_id="wechat-plugin",
            name="WeChat Plugin",
            version="1.0.0",
            channel_type="wechat",
            state="started",
        )
        # Assert
        assert summary.plugin_id == "wechat-plugin"


@pytest.mark.unit
class TestInstallPluginCmd:
    """安装插件命令 DTO 测试。"""

    def test_valid_construction(self):
        # Act
        cmd = InstallPluginCmd(
            operator=_make_operator(),
            source_type="path",
            source="/plugins/wechat",
        )
        # Assert
        assert cmd.version is None
        assert cmd.force is False

    def test_empty_source_raises(self):
        # Act / Assert
        with pytest.raises(ValidationError) as exc_info:
            InstallPluginCmd(
                operator=_make_operator(),
                source_type="path",
                source="",
            )
        assert exc_info.value.field == "source"

    def test_invalid_source_type_raises(self):
        # Act / Assert
        with pytest.raises(ValidationError) as exc_info:
            InstallPluginCmd(
                operator=_make_operator(),
                source_type="invalid",  # type: ignore[arg-type]
                source="/path",
            )
        assert exc_info.value.field == "source_type"


@pytest.mark.unit
class TestUpdatePluginConfigCmd:
    """更新插件配置命令 DTO 测试。"""

    def test_valid_construction(self):
        # Act
        cmd = UpdatePluginConfigCmd(
            plugin_id="wechat-plugin",
            operator=_make_operator(),
            config={"key": "value"},
            apply_mode="hot",
        )
        # Assert
        assert cmd.account_id is None

    def test_empty_plugin_id_raises(self):
        # Act / Assert
        with pytest.raises(ValidationError) as exc_info:
            UpdatePluginConfigCmd(
                plugin_id="",
                operator=_make_operator(),
                config={"k": "v"},
                apply_mode="hot",
            )
        assert exc_info.value.field == "plugin_id"

    def test_empty_config_raises(self):
        # Act / Assert
        with pytest.raises(ValidationError) as exc_info:
            UpdatePluginConfigCmd(
                plugin_id="p1",
                operator=_make_operator(),
                config={},
                apply_mode="hot",
            )
        assert exc_info.value.field == "config"

    def test_invalid_apply_mode_raises(self):
        # Act / Assert
        with pytest.raises(ValidationError) as exc_info:
            UpdatePluginConfigCmd(
                plugin_id="p1",
                operator=_make_operator(),
                config={"k": "v"},
                apply_mode="invalid",  # type: ignore[arg-type]
            )
        assert exc_info.value.field == "apply_mode"


@pytest.mark.unit
class TestBatchPluginLifecycleCmd:
    """批量插件生命周期命令 DTO 测试。"""

    def test_valid_with_plugin_ids(self):
        # Act
        cmd = BatchPluginLifecycleCmd(
            operator=_make_operator(),
            plugin_ids=("p1", "p2"),
        )
        # Assert
        assert cmd.filter is None

    def test_valid_with_filter(self):
        # Act
        cmd = BatchPluginLifecycleCmd(
            operator=_make_operator(),
            filter={"channel_type": "wechat"},
        )
        # Assert
        assert cmd.plugin_ids == ()

    def test_both_empty_raises(self):
        # Act / Assert
        with pytest.raises(ValidationError) as exc_info:
            BatchPluginLifecycleCmd(operator=_make_operator())
        assert exc_info.value.field == "plugin_ids"

    def test_both_provided_raises(self):
        # Act / Assert
        with pytest.raises(ValidationError) as exc_info:
            BatchPluginLifecycleCmd(
                operator=_make_operator(),
                plugin_ids=("p1",),
                filter={"state": "stopped"},
            )
        assert exc_info.value.field == "plugin_ids"

    def test_empty_string_in_plugin_ids_raises(self):
        # Act / Assert
        with pytest.raises(ValidationError) as exc_info:
            BatchPluginLifecycleCmd(
                operator=_make_operator(),
                plugin_ids=("p1", ""),
            )
        assert exc_info.value.field == "plugin_ids"