// Ages are whole game years (one real calendar day per year).
export function hasReachedFertility(character, age) {
    const threshold = character?.fertileFromAge;
    return Number.isInteger(threshold) && threshold > 0
        && Number.isFinite(age) && age >= threshold;
}

export function getCharacterDevelopment(character, age) {
    const pubertyStartAge = character?.pubertyStartAge ?? null;
    return {
        pubertyStartAge,
        fertileFromAge: character?.fertileFromAge ?? null,
        hasReachedPuberty: Number.isInteger(pubertyStartAge) && pubertyStartAge > 0
            && Number.isFinite(age) && age >= pubertyStartAge,
        hasReachedFertility: hasReachedFertility(character, age),
    };
}