import { Op, Sequelize } from 'sequelize';

// One calendar day is one game year. Only the minimum age restricts age;
// neither the age difference nor the date the character was created matters.
export function buildPartnerCandidateQuery({ characterId, gender, regionId, titleId, minimumAge, now = new Date() }) {
    const minimumAgeCutoff = new Date(now);
    minimumAgeCutoff.setHours(0, 0, 0, 0);
    minimumAgeCutoff.setDate(minimumAgeCutoff.getDate() - minimumAge + 1);
    return {
        where: {
            id: { [Op.ne]: characterId },
            gender: { [Op.ne]: gender },
            regionId,
            birthdate: { [Op.lt]: minimumAgeCutoff },
            titleOfNobility: { [Op.between]: [titleId - 1, titleId + 1] },
        },
        order: Sequelize.literal('random()'),
        limit: 5,
    };
}