from datetime import datetime
from typing import Optional, List

from pydantic import BaseModel, ConfigDict, Field


class DepartmentCreateSchema(BaseModel):
    """创建部门请求"""
    
    enterprise_id: str = Field(..., description="企业ID")
    department_name: str = Field(..., description="部门名称")
    department_code: Optional[str] = Field(default=None, description="部门编码")
    parent_department_id: Optional[str] = Field(default=None, description="上级部门ID")
    sort_order: Optional[int] = Field(default=None, description="排序值")
    leader_employee_id: Optional[str] = Field(default=None, description="部门负责人ID")
    leader_employee_name: Optional[str] = Field(default=None, description="部门负责人姓名")


class DepartmentUpdateSchema(BaseModel):
    """更新部门请求"""
    
    department_name: Optional[str] = Field(default=None, description="部门名称")
    department_code: Optional[str] = Field(default=None, description="部门编码")
    parent_department_id: Optional[str] = Field(default=None, description="上级部门ID")
    sort_order: Optional[int] = Field(default=None, description="排序值")
    leader_employee_id: Optional[str] = Field(default=None, description="部门负责人ID")
    leader_employee_name: Optional[str] = Field(default=None, description="部门负责人姓名")


class DepartmentOutSchema(BaseModel):
    """部门响应模型"""
    
    model_config = ConfigDict(from_attributes=True)
    
    # id: int = Field(description="主键ID")
    department_id: str = Field(description="部门ID")
    department_name: str = Field(description="部门名称")
    department_code: Optional[str] = Field(default=None, description="部门编码")
    parent_department_id: Optional[str] = Field(default=None, description="上级部门ID")
    enterprise_id: str = Field(description="企业ID")
    status: str = Field(description="状态")
    sort_order: Optional[int] = Field(default=None, description="排序值")
    leader_employee_id: Optional[str] = Field(default=None, description="部门负责人ID")
    leader_employee_name: Optional[str] = Field(default=None, description="部门负责人姓名")
    # created_time: datetime = Field(description="创建时间")
    # updated_time: datetime = Field(description="更新时间")
    # tenant_id: int = Field(description="租户ID")


class DepartmentListOutSchema(BaseModel):
    """部门列表响应"""
    
    model_config = ConfigDict(from_attributes=True)
    
    id: int = Field(description="主键ID")
    department_id: str = Field(description="部门ID")
    department_name: str = Field(description="部门名称")
    department_code: Optional[str] = Field(default=None, description="部门编码")
    parent_department_id: Optional[str] = Field(default=None, description="上级部门ID")
    enterprise_id: str = Field(description="企业ID")
    status: str = Field(description="状态")
    sort_order: Optional[int] = Field(default=None, description="排序值")
    leader_employee_name: Optional[str] = Field(default=None, description="部门负责人姓名")
    created_time: datetime = Field(description="创建时间")


class DepartmentDetailOutSchema(BaseModel):
    """部门详情响应"""
    
    model_config = ConfigDict(from_attributes=True)
    
    department: DepartmentOutSchema = Field(description="部门信息")
    sub_departments: List[DepartmentOutSchema] = Field(default_factory=list, description="子部门列表")


class DepartmentPageQuery(BaseModel):
    """部门分页查询参数"""
    
    page_no: int = Field(default=1, description="页码")
    page_size: int = Field(default=20, description="每页数量")
    enterprise_id: Optional[str] = Field(default=None, description="企业ID")
    department_name: Optional[str] = Field(default=None, description="部门名称")
    department_code: Optional[str] = Field(default=None, description="部门编码")
    parent_department_id: Optional[str] = Field(default=None, description="上级部门ID")
    status: Optional[str] = Field(default=None, description="状态")


class DepartmentOperationOutSchema(BaseModel):
    """部门操作响应"""
    
    department_id: str = Field(description="部门ID")
    department_name: str = Field(description="部门名称")


class DepartmentTreeOutSchema(BaseModel):
    """部门树形结构响应"""
    
    model_config = ConfigDict(from_attributes=True)
    
    id: int = Field(description="主键ID")
    department_id: str = Field(description="部门ID")
    department_name: str = Field(description="部门名称")
    department_code: Optional[str] = Field(default=None, description="部门编码")
    parent_department_id: Optional[str] = Field(default=None, description="上级部门ID")
    status: str = Field(description="状态")
    sort_order: Optional[int] = Field(default=None, description="排序值")
    leader_employee_name: Optional[str] = Field(default=None, description="部门负责人姓名")
    children: List["DepartmentTreeOutSchema"] = Field(default_factory=list, description="子部门列表")

# 递归更新类型提示
DepartmentTreeOutSchema.model_rebuild()

# 部门状态常量
DEPARTMENT_STATUS = {
    "NORMAL": "正常",
    "DISABLED": "禁用"
}

# 部门状态标签类型
DEPARTMENT_STATUS_TAG_TYPE = {
    "NORMAL": "success",
    "DISABLED": "warning"
}

# 部门状态标签
DEPARTMENT_STATUS_LABEL = {
    "NORMAL": "正常",
    "DISABLED": "禁用"
}