"""TV Show models and validation."""
from dataclasses import dataclass
from enum import Enum
from typing import Any


class ShowStatus(Enum):
    """Status of a TV show - whether it's still airing or has ended."""
    ONGOING = "ongoing"
    ENDED = "ended"


@dataclass
class TVShow:
    """Represents a TV show."""
    imdb_id: str
    title: str
    seasons_count: int
    status: ShowStatus  # ongoing or ended


def validate_tv_shows_structure(tv_shows: Any) -> bool:
    """
    Validate the structure of the tv_shows parameter.

    Expected structure: list of TV show objects
    [
        {
            "imdb_id": str,
            "title": str,
            "seasons_count": int,
            "status": str  # "ongoing" or "ended"
        }
    ]
    """
    if not isinstance(tv_shows, list):
        return False

    for show in tv_shows:
        if not isinstance(show, dict):
            return False

        # Check required fields
        required_fields = {"imdb_id", "title", "seasons_count", "status"}
        if not all(field in show for field in required_fields):
            return False

        # Validate field types
        if not isinstance(show["imdb_id"], str):
            return False
        if not isinstance(show["title"], str):
            return False
        if not isinstance(show["seasons_count"], int):
            return False
        if show["status"] not in ["ongoing", "ended"]:
            return False

    return True