"""
系统设置域 Pydantic V2 Schemas
部门树 / 角色（含 JSONB menu_keys）/ 用户管理
"""

from __future__ import annotations

import uuid
from datetime import datetime

from pydantic import BaseModel, Field


# ━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━
# 部门树
# ━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━
class DeptNode(BaseModel):
    id: uuid.UUID
    parent_id: uuid.UUID | None = None
    name: str
    sort_order: int = 0
    status: int = 1
    children: list[DeptNode] = Field(default_factory=list)

    model_config = {"from_attributes": True}


# ━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━
# 角色
# ━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━
class RoleCreate(BaseModel):
    role_name: str = Field(..., min_length=1, max_length=50)
    data_scope: str = Field(
        default="self", pattern=r"^(all|dept_and_sub|self)$"
    )
    menu_keys: list[str] = Field(
        default_factory=list,
        description="前端路由 name 数组，JSONB 存储",
        examples=[["CustomerList", "OrderList", "ProductList"]],
    )
    description: str | None = Field(default=None, max_length=255)
    status: int = Field(default=1, ge=0, le=1)


class RoleUpdate(BaseModel):
    role_name: str | None = Field(default=None, min_length=1, max_length=50)
    data_scope: str | None = Field(default=None, pattern=r"^(all|dept_and_sub|self)$")
    menu_keys: list[str] | None = None
    description: str | None = Field(default=None, max_length=255)
    status: int | None = Field(default=None, ge=0, le=1)


class RoleResponse(BaseModel):
    id: uuid.UUID
    role_name: str
    data_scope: str
    menu_keys: list[str] = Field(default_factory=list)
    description: str | None = None
    status: int = 1
    created_at: datetime

    model_config = {"from_attributes": True}


# ━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━
# 用户/员工
# ━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━
class UserCreate(BaseModel):
    username: str = Field(..., min_length=2, max_length=50)
    password: str = Field(..., min_length=6, max_length=128, description="明文密码，后端 bcrypt 哈希后存储")
    real_name: str | None = Field(default=None, max_length=50)
    phone: str | None = Field(default=None, max_length=20)
    email: str | None = Field(default=None, max_length=100)
    dept_id: uuid.UUID | None = None
    role_id: uuid.UUID | None = None
    status: int = Field(default=1, ge=0, le=1)


class UserUpdate(BaseModel):
    real_name: str | None = Field(default=None, max_length=50)
    phone: str | None = Field(default=None, max_length=20)
    email: str | None = Field(default=None, max_length=100)
    dept_id: uuid.UUID | None = None
    role_id: uuid.UUID | None = None
    status: int | None = Field(default=None, ge=0, le=1)


class UserResetPassword(BaseModel):
    new_password: str = Field(..., min_length=6, max_length=128)


class UserResponse(BaseModel):
    id: uuid.UUID
    username: str
    real_name: str | None = None
    phone: str | None = None
    email: str | None = None
    dept_id: uuid.UUID | None = None
    dept_name: str | None = None
    role_id: uuid.UUID | None = None
    role_name: str | None = None
    data_scope: str | None = None
    status: int = 1
    last_login_at: datetime | None = None
    created_at: datetime

    model_config = {"from_attributes": True}


class UserListResponse(BaseModel):
    total: int
    items: list[UserResponse]
    page: int
    size: int