"""wizard.py DTO 单元测试。

覆盖 ``WizardFieldType`` 枚举与 ``WizardField`` / ``WizardStep`` /
``WizardConfigPatch`` / ``WizardStepResult`` 的字段赋值、默认值与
不可变语义。
"""

from __future__ import annotations

import dataclasses
from typing import Any

import pytest
from yuxi.channels.contract.dtos.wizard import (
    WizardConfigPatch,
    WizardField,
    WizardFieldType,
    WizardStep,
    WizardStepResult,
)

pytestmark = pytest.mark.unit


@pytest.mark.unit
class TestWizardFieldType:
    """向导字段类型枚举测试。"""

    def test_enum_values_are_correct(self):
        # Arrange
        # Act
        # Assert
        assert WizardFieldType.TEXT == "text"
        assert WizardFieldType.PASSWORD == "password"
        assert WizardFieldType.SELECT == "select"
        assert WizardFieldType.OAUTH == "oauth"
        assert WizardFieldType.WEBHOOK_URL == "webhook_url"
        assert WizardFieldType.CHECKBOX == "checkbox"
        assert WizardFieldType.QR_LOGIN == "qr_login"

    def test_enum_inherits_from_str(self):
        # Arrange
        # Act
        # Assert
        assert issubclass(WizardFieldType, str)
        assert isinstance(WizardFieldType.TEXT, str)

    def test_enum_has_seven_members(self):
        # Arrange
        # Act
        members = list(WizardFieldType)
        # Assert
        assert len(members) == 7


@pytest.mark.unit
class TestWizardField:
    """向导字段 DTO 测试。"""

    def test_required_fields_are_assigned(self):
        # Arrange
        # Act
        field = WizardField(name="app_id", field_type=WizardFieldType.TEXT)
        # Assert
        assert field.name == "app_id"
        assert field.field_type is WizardFieldType.TEXT

    def test_defaults_are_correct(self):
        # Arrange
        # Act
        field = WizardField(name="app_id", field_type=WizardFieldType.TEXT)
        # Assert
        assert field.label == ""
        assert field.required is True
        assert field.default is None
        assert field.placeholder == ""
        assert field.help == ""
        assert field.options == ()
        assert field.sensitive is False

    def test_custom_values_are_assigned(self):
        # Arrange
        # Act
        field = WizardField(
            name="bot_token",
            field_type=WizardFieldType.PASSWORD,
            label="机器人 Token",
            required=True,
            default="",
            placeholder="请输入 Token",
            help="在飞书开放平台获取",
            options=("a", "b"),
            sensitive=True,
        )
        # Assert
        assert field.label == "机器人 Token"
        assert field.default == ""
        assert field.placeholder == "请输入 Token"
        assert field.help == "在飞书开放平台获取"
        assert field.options == ("a", "b")
        assert field.sensitive is True

    def test_options_is_tuple(self):
        # Arrange
        # Act
        field = WizardField(
            name="env",
            field_type=WizardFieldType.SELECT,
            options=("dev", "prod"),
        )
        # Assert
        assert isinstance(field.options, tuple)

    def test_is_frozen(self):
        # Arrange
        field = WizardField(name="app_id", field_type=WizardFieldType.TEXT)
        # Act / Assert
        with pytest.raises(dataclasses.FrozenInstanceError):
            field.name = "other"  # type: ignore[misc]


@pytest.mark.unit
class TestWizardStep:
    """向导步骤 DTO 测试。"""

    def test_required_fields_are_assigned(self):
        # Arrange
        fields = (WizardField(name="app_id", field_type=WizardFieldType.TEXT),)
        # Act
        step = WizardStep(step_id="basic", step_name="基础配置", fields=fields)
        # Assert
        assert step.step_id == "basic"
        assert step.step_name == "基础配置"
        assert step.fields is fields

    def test_defaults_are_correct(self):
        # Arrange
        # Act
        step = WizardStep(step_id="basic", step_name="基础配置", fields=())
        # Assert
        assert step.description == ""
        assert step.skippable is False

    def test_fields_is_tuple(self):
        # Arrange
        # Act
        step = WizardStep(
            step_id="basic",
            step_name="基础配置",
            fields=(WizardField(name="a", field_type=WizardFieldType.TEXT),),
        )
        # Assert
        assert isinstance(step.fields, tuple)

    def test_is_frozen(self):
        # Arrange
        step = WizardStep(step_id="basic", step_name="基础配置", fields=())
        # Act / Assert
        with pytest.raises(dataclasses.FrozenInstanceError):
            step.step_id = "other"  # type: ignore[misc]


@pytest.mark.unit
class TestWizardConfigPatch:
    """向导配置补丁 DTO 测试。"""

    def test_fields_are_assigned(self):
        # Arrange
        values: dict[str, Any] = {"app_id": "xxx", "token": "yyy"}
        # Act
        patch = WizardConfigPatch(step_id="basic", values=values)
        # Assert
        assert patch.step_id == "basic"
        assert patch.values == values

    def test_is_frozen(self):
        # Arrange
        patch = WizardConfigPatch(step_id="basic", values={})
        # Act / Assert
        with pytest.raises(dataclasses.FrozenInstanceError):
            patch.step_id = "other"  # type: ignore[misc]


@pytest.mark.unit
class TestWizardStepResult:
    """向导步骤结果 DTO 测试。"""

    def test_valid_result_defaults(self):
        # Arrange
        # Act
        result = WizardStepResult(step_id="basic", valid=True)
        # Assert
        assert result.errors == ()
        assert result.config_patch is None

    def test_failed_result_with_errors(self):
        # Arrange
        # Act
        result = WizardStepResult(
            step_id="basic",
            valid=False,
            errors=("app_id is required", "token is required"),
        )
        # Assert
        assert result.valid is False
        assert result.errors == ("app_id is required", "token is required")
        assert result.config_patch is None

    def test_valid_result_with_config_patch(self):
        # Arrange
        patch = WizardConfigPatch(step_id="basic", values={"app_id": "xxx"})
        # Act
        result = WizardStepResult(step_id="basic", valid=True, config_patch=patch)
        # Assert
        assert result.config_patch is patch

    def test_errors_is_tuple(self):
        # Arrange
        # Act
        result = WizardStepResult(step_id="basic", valid=False, errors=("err1",))
        # Assert
        assert isinstance(result.errors, tuple)

    def test_is_frozen(self):
        # Arrange
        result = WizardStepResult(step_id="basic", valid=True)
        # Act / Assert
        with pytest.raises(dataclasses.FrozenInstanceError):
            result.valid = False  # type: ignore[misc]