from pydantic import BaseModel, ConfigDict


class CaseListItem(BaseModel):
    """病例列表项：不暴露标准答案和隐藏信息。"""

    id: int
    case_code: str
    department_id: int
    title: str
    difficulty: str
    chief_complaint: str | None = None
    supported_training_type: str
    supported_mode: str
    has_teaching_video: bool
    has_knowledge_points: bool
    has_quiz: bool

    model_config = ConfigDict(from_attributes=True)


class CaseListResponse(BaseModel):
    """病例列表响应：返回激活病例集合。"""

    items: list[CaseListItem]


class CasePatientInfo(BaseModel):
    """患者展示信息：用于病例详情页。"""

    name: str | None = None
    age: int | None = None
    gender: str | None = None
    occupation: str | None = None


class CaseDetailResponse(BaseModel):
    """病例详情响应：展示训练入口需要的信息。"""

    id: int
    case_code: str
    title: str
    department: str
    difficulty: str
    patient: CasePatientInfo
    chief_complaint: str | None = None
    supported_training_type: str
    supported_mode: str
    has_teaching_video: bool
    has_knowledge_points: bool
    has_quiz: bool
    order_item_types: list[str]


class CaseDeletePreviewResponse(BaseModel):
    """病例删除预览：返回删除该病例会影响的业务数据数量。"""

    case_id: int
    case_title: str
    can_delete: bool
    affected: dict[str, int]


class CaseDeleteRequest(BaseModel):
    """病例删除请求：前端必须显式确认，并默认同时删除该病例训练数据。"""

    confirm: bool = False
    delete_training_data: bool = True


class CaseDeleteResponse(BaseModel):
    """病例删除结果：返回已删除的各表记录数量。"""

    deleted: bool
    case_id: int
    deleted_counts: dict[str, int]