"""integrations/schemas.py 数据结构单元测试。

覆盖 IntegrationMetadata 与 GeneratedToolsDraft 两个 Pydantic BaseModel
的字段声明、默认值、约束校验与 extra="forbid" 行为。
"""

from __future__ import annotations

from typing import Any

import pytest
from pydantic import ValidationError

from yuxi.external_systems.integrations.schemas import (
    GeneratedToolsDraft,
    IntegrationMetadata,
)


# ─── 辅助构造 ─────────────────────────────────────────────────────────────


def _metadata_kwargs(**overrides: Any) -> dict[str, Any]:
    """构造 IntegrationMetadata 最小合法字段，按需覆盖。"""
    base: dict[str, Any] = {
        "key": "salesforce",
        "display_name": "Salesforce",
        "adapter_type": "http",
        "source_types": ["salesforce"],
    }
    base.update(overrides)
    return base


# ─── IntegrationMetadata 字段声明 ─────────────────────────────────────────


@pytest.mark.unit
def test_integrationMetadata_fields_matchExpected():
    # Arrange / Act
    meta = IntegrationMetadata(
        key="hubspot",
        display_name="HubSpot",
        description="CRM integration",
        adapter_type="http",
        source_types=["hubspot"],
        supported_auth_types=["oauth2"],
        tags=["crm", "marketing"],
        icon="hubspot",
        docs_url="https://docs.hubspot.com",
        connection_extra_schema={"type": "object"},
        example_config={"host": "api.hubspot.com"},
        dependency_note="需要 OAuth2 应用",
    )

    # Assert
    assert meta.key == "hubspot"
    assert meta.display_name == "HubSpot"
    assert meta.description == "CRM integration"
    assert meta.adapter_type == "http"
    assert meta.source_types == ["hubspot"]
    assert meta.supported_auth_types == ["oauth2"]
    assert meta.tags == ["crm", "marketing"]
    assert meta.icon == "hubspot"
    assert meta.docs_url == "https://docs.hubspot.com"
    assert meta.connection_extra_schema == {"type": "object"}
    assert meta.example_config == {"host": "api.hubspot.com"}
    assert meta.dependency_note == "需要 OAuth2 应用"


@pytest.mark.unit
def test_integrationMetadata_defaults_appliedWhenOptionalOmitted():
    # Arrange / Act - 仅传必填字段
    meta = IntegrationMetadata(**_metadata_kwargs())

    # Assert - 可选字段取默认值
    assert meta.description == ""
    assert meta.supported_auth_types == []
    assert meta.tags == []
    assert meta.icon is None
    assert meta.docs_url is None
    assert meta.connection_extra_schema is None
    assert meta.example_config is None
    assert meta.dependency_note is None


@pytest.mark.unit
def test_integrationMetadata_extraField_forbidden_raises():
    # Arrange / Act / Assert
    with pytest.raises(ValidationError) as exc_info:
        IntegrationMetadata(**_metadata_kwargs(unknown_field="x"))
    assert "extra" in str(exc_info.value).lower()


# ─── IntegrationMetadata 约束校验 ──────────────────────────────────────────


@pytest.mark.unit
def test_integrationMetadata_key_empty_raises():
    # Arrange / Act / Assert - min_length=1
    with pytest.raises(ValidationError):
        IntegrationMetadata(**_metadata_kwargs(key=""))


@pytest.mark.unit
def test_integrationMetadata_key_exceeds_maxLength_raises():
    # Arrange / Act / Assert - max_length=64
    with pytest.raises(ValidationError):
        IntegrationMetadata(**_metadata_kwargs(key="a" * 65))


@pytest.mark.unit
def test_integrationMetadata_key_maxLength_boundary_accepted():
    # Arrange / Act - 边界值 64 字符应通过
    meta = IntegrationMetadata(**_metadata_kwargs(key="a" * 64))

    # Assert
    assert len(meta.key) == 64


@pytest.mark.unit
def test_integrationMetadata_displayName_empty_raises():
    # Arrange / Act / Assert - min_length=1
    with pytest.raises(ValidationError):
        IntegrationMetadata(**_metadata_kwargs(display_name=""))


@pytest.mark.unit
def test_integrationMetadata_displayName_exceeds_maxLength_raises():
    # Arrange / Act / Assert - max_length=128
    with pytest.raises(ValidationError):
        IntegrationMetadata(**_metadata_kwargs(display_name="a" * 129))


@pytest.mark.unit
def test_integrationMetadata_description_exceeds_maxLength_raises():
    # Arrange / Act / Assert - max_length=512
    with pytest.raises(ValidationError):
        IntegrationMetadata(**_metadata_kwargs(description="a" * 513))


@pytest.mark.unit
def test_integrationMetadata_adapterType_exceeds_maxLength_raises():
    # Arrange / Act / Assert - max_length=32
    with pytest.raises(ValidationError):
        IntegrationMetadata(**_metadata_kwargs(adapter_type="a" * 33))


@pytest.mark.unit
def test_integrationMetadata_sourceTypes_empty_raises():
    # Arrange / Act / Assert - min_length=1
    with pytest.raises(ValidationError):
        IntegrationMetadata(**_metadata_kwargs(source_types=[]))


@pytest.mark.unit
def test_integrationMetadata_missing_required_field_raises():
    # Arrange / Act / Assert - 缺少 key
    with pytest.raises(ValidationError):
        IntegrationMetadata(
            display_name="x",
            adapter_type="http",
            source_types=["x"],
        )


# ─── GeneratedToolsDraft 字段声明 ─────────────────────────────────────────


@pytest.mark.unit
def test_generatedToolsDraft_fields_matchExpected():
    # Arrange / Act
    draft = GeneratedToolsDraft(
        tool_configs=[{"slug": "tool-a"}, {"slug": "tool-b"}],
        override_existing=True,
    )

    # Assert
    assert draft.tool_configs == [{"slug": "tool-a"}, {"slug": "tool-b"}]
    assert draft.override_existing is True


@pytest.mark.unit
def test_generatedToolsDraft_overrideExisting_defaultsFalse():
    # Arrange / Act - 仅传必填字段
    draft = GeneratedToolsDraft(tool_configs=[{"slug": "tool-a"}])

    # Assert
    assert draft.override_existing is False


@pytest.mark.unit
def test_generatedToolsDraft_toolConfigs_required_raises():
    # Arrange / Act / Assert - 缺少 tool_configs
    with pytest.raises(ValidationError):
        GeneratedToolsDraft()  # type: ignore[call-arg]


@pytest.mark.unit
def test_generatedToolsDraft_extraField_forbidden_raises():
    # Arrange / Act / Assert
    with pytest.raises(ValidationError) as exc_info:
        GeneratedToolsDraft(tool_configs=[], unknown="x")
    assert "extra" in str(exc_info.value).lower()


@pytest.mark.unit
def test_generatedToolsDraft_emptyToolConfigs_accepted():
    # Arrange / Act - 空列表合法（无 min_length 约束）
    draft = GeneratedToolsDraft(tool_configs=[])

    # Assert
    assert draft.tool_configs == []