# -*- coding: utf-8 -*-

from fastapi import Query
from pydantic import BaseModel, ConfigDict, Field, model_validator, field_validator

from app.core.validator import DateTimeStr
from app.core.base_schema import BaseSchema
from app.core.validator import role_permission_request_validator

from ..dept.schema import DeptOutSchema
from ..menu.schema import MenuOutSchema


class RoleCreateSchema(BaseModel):
    """角色创建模型"""
    name: str = Field(..., max_length=40, description="角色名称")
    code: str | None = Field(default=None, max_length=40, description="角色编码")
    order: int | None = Field(default=1, ge=1, description='显示排序')
    data_scope: int | None = Field(default=1, description='数据权限范围(1:仅本人 2:本部门 3:本部门及以下 4:全部 5:自定义)')
    status: str = Field(default="0", description="是否启用")
    description: str | None = Field(default=None, max_length=255, description="描述")

    @field_validator("code")
    @classmethod
    def validate_code(cls, value: str | None):
        if value is None:
            return value
        import re
        v = value.strip()
        if not re.match(r"^[A-Za-z][A-Za-z0-9_]{1,39}$", v):
            raise ValueError("角色编码需字母开头，允许字母/数字/下划线，长度2-40")
        return v


class RolePermissionSettingSchema(BaseModel):
    """角色权限配置模型"""
    data_scope: int = Field(default=1, description='数据权限范围(1:仅本人 2:本部门 3:本部门及以下 4:全部 5:自定义)')
    role_ids: list[int] = Field(default_factory=list, description='角色ID列表')
    menu_ids: list[int] = Field(default_factory=list, description='菜单ID列表')
    dept_ids: list[int] = Field(default_factory=list, description='部门ID列表')
    
    @model_validator(mode='after')
    def validate_fields(self):
        """验证权限配置字段"""
        return role_permission_request_validator(self)


class RoleUpdateSchema(RoleCreateSchema):
    """角色更新模型"""
    ...


class RoleOutSchema(RoleCreateSchema, BaseSchema):
    """角色信息响应模型"""
    model_config = ConfigDict(from_attributes=True)
    
    menus: list[MenuOutSchema] = Field(default_factory=list, description='角色菜单列表')
    depts: list[DeptOutSchema] = Field(default_factory=list, description='角色部门列表')


class RoleQueryParam:
    """角色管理查询参数"""

    def __init__(
        self,
        name: str | None = Query(None, description="角色名称"),
        status: str | None = Query(None, description="是否可用"),
        created_time: list[DateTimeStr] | None = Query(None, description="创建时间范围", examples=["2025-01-01 00:00:00", "2025-12-31 23:59:59"]),
        updated_time: list[DateTimeStr] | None = Query(None, description="更新时间范围", examples=["2025-01-01 00:00:00", "2025-12-31 23:59:59"]),
    ) -> None:
        
        # 模糊查询字段
        self.name = ("like", name)

        # 精确查询字段
        self.status = status
        
        # 时间范围查询
        if created_time and len(created_time) == 2:
            self.created_time = ("between", (created_time[0], created_time[1]))
        
        if updated_time and len(updated_time) == 2:
            self.updated_time = ("between", (updated_time[0], updated_time[1]))