import db from '../db.js';
import status from '../utils/status.js';

class GroupService {
    async create(name, creatorId) {
        let res = await db.query("INSERT INTO groups (name, admin_id) VALUES ($1, $2) RETURNING ID", [name, creatorId]).catch (e => {
            if (e.code == 23505) { // already exists
                return status.duplicate;
            }
        })

        return res.rows[0];
    }

    async getById(id) {
        let res = (await db.query("SELECT * FROM groups WHERE id = $1", [id]))
        if (res.rowCount == 0) return status.not_found;
        return res.rows[0];
    }

    async getAdminId(id) {
        return (await db.query("SELECT admin_id FROM groups WHERE ID = $1", [id])).rows[0].admin_id
    }

    async updatePassword(id, password) {
        return (await db.query("UPDATE groups SET password = $1 WHERE id = $2", [password, id]));
    }

    async getPassword(id) {
        return (await db.query("SELECT password FROM groups WHERE id = $1", [id])).rows[0].password;
    }

    async getByName(name) {
        return (await db.query("SELECT * FROM groups WHERE name = $1", [name])).rows[0]
    }
};

export default new GroupService();