from datetime import datetime
from typing import Optional
from pydantic import BaseModel, EmailStr


class BaseResponse(BaseModel):
    # may define additional fields or config shared across responses
    class Config:
        orm_mode = True


class AccessTokenResponse(BaseResponse):
    token_type: str
    access_token: str
    expires_at: int
    issued_at: int
    refresh_token: str
    refresh_token_expires_at: int
    refresh_token_issued_at: int


class UserResponse(BaseResponse):
    id: str
    email: EmailStr


class SmsResponse(BaseResponse):
    id: str
    created_at: datetime
    updated_at: datetime
    phone_number: str
    sending_time: datetime
    send_time: datetime


class VolunteerResponse(BaseResponse):
    id: str
    created_at: datetime
    updated_at: datetime
    name: str
    surname: str
    email: str
    phone_number: str
    automatic_sms: bool
    slots_id: list[str] = []


class SlotResponse(BaseResponse):
    id: str
    created_at: datetime
    updated_at: datetime
    title: str
    description: str
    starting_time: datetime
    ending_time: datetime
    volunteers_id: list[str] = []


class SMSResponse(BaseResponse):
    id: str
    created_at: datetime
    updated_at: datetime
    volunteer_id: Optional[str]
    content: str
    phone_number: str
    sending_time: datetime
    send_time: Optional[datetime]


class ProjectResponse(BaseResponse):
    id: str
    created_at: datetime
    updated_at: datetime
    name: str
    volunteers: list[VolunteerResponse]
    sms: list[SMSResponse]
    slots: list[SlotResponse]


class ProjectListResponse(BaseResponse):
    id: str
    created_at: datetime
    updated_at: datetime
    name: str