const db = require("../config/database");


class HouseholdService {

    findByInviteCode(code) {
        const match = /^HOUSEHOLD_(\d+)$/.exec((code || "").trim().toUpperCase());
        if (!match) return null;

        return db.prepare(
            "SELECT id FROM households WHERE id = ?"
        ).get(Number.parseInt(match[1], 10));
    }


    addMember(householdId, userId) {
        return db.prepare(`
            INSERT INTO household_members (household_id, user_id, role)
            VALUES (?, ?, 'MEMBER')
        `).run(householdId, userId);
    }


    createForUser(userId, name) {


        const create =
        db.transaction(() => {


            const household =
            db.prepare(`

                INSERT INTO households
                (name)

                VALUES (?)

            `).run(name);



            db.prepare(`

                INSERT INTO household_members

                (
                    household_id,
                    user_id,
                    role
                )

                VALUES (?, ?, ?)

            `).run(
                household.lastInsertRowid,
                userId,
                "OWNER"
            );


            return household.lastInsertRowid;


        });


        return create();

    }


}


module.exports = new HouseholdService();