from enum import Enum
from datetime import datetime
from typing import Optional
from pydantic import BaseModel, ConfigDict, EmailStr


class BaseResponse(BaseModel):
    # may define additional fields or config shared across responses
    model_config = ConfigDict(from_attributes=True)


class BaseObjectResponse(BaseResponse):
    id: str
    created_at: datetime
    updated_at: datetime


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 VolunteerResponse(BaseObjectResponse):
    name: str
    surname: str
    email: str
    phone_number: str
    automatic_sms: bool
    slots_id: list[str] = []
    comment: str


class SlotResponse(BaseObjectResponse):
    title: str
    starting_time: datetime
    ending_time: datetime
    required_volunteers: int
    volunteers_id: list[str] = []
    template_id: Optional[str]


class SMSResponse(BaseObjectResponse):
    volunteer_id: Optional[str]
    content: str
    phone_number: str
    sending_time: datetime
    send_time: Optional[datetime]


class TemplateResponse(BaseObjectResponse):
    title: str
    description: str
    place: str
    responsible_contact: str
    tags_id: list[str] = []
    comment: str


class TagResponse(BaseObjectResponse):
    title: str
    templates_id: list[str] = []


class ProjectResponse(BaseObjectResponse):
    name: str
    volunteers: list[VolunteerResponse]
    sms: list[SMSResponse]
    slots: list[SlotResponse]
    tags: list[TagResponse]
    templates: list[TemplateResponse]
    is_public: bool


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


class EnumServerStatus(Enum):
    ACTIVE = "active"
    INVALID = "invalid (heartbeat missing)"
    INACTIVE = "inactive (stale)"


class SMSServerStatus(BaseResponse):
    updated_at: datetime
    host: str
    user_agent: str
    message: EnumServerStatus