from datetime import datetime
from typing import Optional

from pydantic import BaseModel, ConfigDict, EmailStr, Field


class ResponseBase(BaseModel):
    success: Optional[bool] = Field(None)
    message: Optional[str] = Field(None)


class UserBase(BaseModel):
    email: EmailStr = Field(..., examples=["user@example.com"])
    username: str = Field(
        ...,
        min_length=3,
        max_length=64,
        pattern=r"^[A-Za-z0-9_.-]+$",
        examples=["user_1"],
    )
    full_name: Optional[str] = Field(
        None,
        max_length=255,
        pattern=r"^[^<>]*$",
        examples=["Иван Иванов"],
    )
    role_id: int = 3


class UserCreate(UserBase):
    password: str | None = Field(default=None, examples=["pass123"])

    model_config = ConfigDict(
        json_schema_extra={
            "example": {
                "email": "user@example.com",
                "username": "user_1",
                "full_name": "Иван Иванов",
                "role_id": 3,
                "password": "pass123",
            }
        }
    )


class UserUpdate(BaseModel):
    email: Optional[EmailStr] = Field(default=None, examples=["user@example.com"])
    username: Optional[str] = Field(
        None,
        min_length=3,
        max_length=64,
        pattern=r"^[A-Za-z0-9_.-]+$",
        examples=["user_1"],
    )
    full_name: Optional[str] = Field(
        None,
        max_length=255,
        pattern=r"^[^<>]*$",
        examples=["Иван Иванов"],
    )
    role_id: Optional[int] = None
    is_active: Optional[bool] = True


class UserInDB(UserBase):
    model_config = ConfigDict(from_attributes=True)

    id: int
    created_at: datetime
    updated_at: Optional[datetime] = None
    is_active: bool


class User(UserInDB):
    pass


class UserResponse(ResponseBase):
    result: Optional[UserInDB] = None


class UserListResponse(ResponseBase):
    result: Optional[list[User]] = None


class SSPBase(BaseModel):
    title: str
    is_ssp: bool = True
    is_active: bool = True


class SSPInDB(SSPBase):
    model_config = ConfigDict(from_attributes=True)
    id: int


class SSPIDList(BaseModel):
    ssp_ids: list[int]


class UserSSPLinkBase(BaseModel):
    user_id: int
    ssp: list[SSPInDB]


class UserSSPLinkResponse(ResponseBase):
    result: Optional[UserSSPLinkBase] = None


class Token(BaseModel):
    access_token: str
    token_type: str = "bearer"
    expires_in: Optional[int] = None
    refresh_token: Optional[str] = None


class LoginRequest(BaseModel):
    username: str
    password: str


class RefreshRequest(BaseModel):
    refresh_token: str