from pydantic import BaseModel, EmailStr, Field, field_validator
from typing import Optional
from datetime import date
from uuid import UUID


class UserBase(BaseModel):
    email: EmailStr
    phone: Optional[str] = None
    first_name: str = Field(..., min_length=1, max_length=50)
    last_name: str = Field(..., min_length=1, max_length=50)
    date_of_birth: Optional[date] = None
    bio: Optional[str] = Field(None, max_length=500)


class UserCreate(UserBase):
    password: str = Field(..., min_length=8, max_length=100)


class UserUpdate(BaseModel):
    first_name: Optional[str] = Field(None, min_length=1, max_length=50)
    last_name: Optional[str] = Field(None, min_length=1, max_length=50)
    phone: Optional[str] = None
    date_of_birth: Optional[date] = None
    bio: Optional[str] = Field(None, max_length=500)
    avatar_url: Optional[str] = None
    
    # Emergency contacts
    emergency_contact_1_name: Optional[str] = Field(None, max_length=100)
    emergency_contact_1_phone: Optional[str] = Field(None, max_length=20)
    emergency_contact_2_name: Optional[str] = Field(None, max_length=100)
    emergency_contact_2_phone: Optional[str] = Field(None, max_length=20)
    
    # Settings
    location_sharing_enabled: Optional[bool] = None
    emergency_notifications_enabled: Optional[bool] = None
    push_notifications_enabled: Optional[bool] = None


class UserResponse(UserBase):
    id: int
    uuid: str
    avatar_url: Optional[str] = None
    emergency_contact_1_name: Optional[str] = None
    emergency_contact_1_phone: Optional[str] = None
    emergency_contact_2_name: Optional[str] = None
    emergency_contact_2_phone: Optional[str] = None
    location_sharing_enabled: bool
    emergency_notifications_enabled: bool
    push_notifications_enabled: bool
    email_verified: bool
    phone_verified: bool
    is_active: bool
    
    @field_validator('uuid', mode='before')
    @classmethod
    def convert_uuid_to_str(cls, v):
        if isinstance(v, UUID):
            return str(v)
        return v
    
    class Config:
        from_attributes = True


class UserLogin(BaseModel):
    email: EmailStr
    password: str


class Token(BaseModel):
    access_token: str
    token_type: str


class TokenData(BaseModel):
    email: Optional[str] = None