from __future__ import annotations

from datetime import date
from typing import Any


def parse_odds(form: dict[str, str]) -> dict[str, float]:
    if form.get("use_odds") != "on":
        return {}
    return {
        "home_odds": _required_float(form, "home_odds"),
        "draw_odds": _required_float(form, "draw_odds"),
        "away_odds": _required_float(form, "away_odds"),
    }


def custom_match_row(form: dict[str, str]) -> dict[str, Any]:
    row: dict[str, Any] = {
        "date": form.get("date") or date.today().isoformat(),
        "home_team": form["home_team"],
        "away_team": form["away_team"],
        "tournament": form.get("tournament") or "World Cup",
        "round": form.get("round") or "Group Stage",
        "neutral": form.get("neutral") == "on",
    }
    row.update(parse_odds(form))
    return row


def _required_float(form: dict[str, str], key: str) -> float:
    value = form.get(key)
    if value in {None, ""}:
        raise ValueError(f"Missing {key}")
    parsed = float(value)
    if parsed <= 1:
        raise ValueError(f"{key} must be greater than 1")
    return parsed