import uuid
from datetime import datetime
from typing import Any

from pydantic import BaseModel, model_validator

from app.schemas.user import UserOut


class RegistrationCreate(BaseModel):
    championship_id: uuid.UUID
    category: str | None = None
    level: str | None = None
    notes: str | None = None


class RegistrationUpdate(BaseModel):
    status: str | None = None
    video_url: str | None = None
    category: str | None = None
    level: str | None = None
    notes: str | None = None


class RegistrationOut(BaseModel):
    model_config = {"from_attributes": True}

    id: uuid.UUID
    championship_id: uuid.UUID
    user_id: uuid.UUID
    category: str | None
    level: str | None
    notes: str | None
    status: str
    video_url: str | None
    submitted_at: datetime
    decided_at: datetime | None


class RegistrationListItem(RegistrationOut):
    championship_title: str | None = None
    championship_event_date: datetime | None = None
    championship_location: str | None = None

    @model_validator(mode="before")
    @classmethod
    def extract_championship(cls, data: Any) -> Any:
        if hasattr(data, "championship") and data.championship:
            champ = data.championship
            data.__dict__["championship_title"] = champ.title
            data.__dict__["championship_event_date"] = champ.event_date
            data.__dict__["championship_location"] = champ.location
        return data


class RegistrationWithUser(RegistrationOut):
    user: UserOut