import {ClimbingRouteRatingDB} from '../ClimbingRouteRating.db';
import {RouteComment} from './RouteComment.interface';

/**
 * Fetches and returns all comments that belong to the given route
 * @return Promise<RouteComment[]> The comments
 */
export const findByRoute = async (route_id: string): Promise<RouteComment[]> => {
    let conn = ClimbingRouteRatingDB.getConnection();
    try {
        return await conn.query('SELECT comment_id, route_id, comment, timestamp FROM route_comments WHERE route_id = ?', route_id);
    } catch (err) {
        throw err;
    }
};

/**
 * Creates a new comment and returns the id of the created comment
 * @param route_id The id of the route to create the comment for
 * @param comment The comment
 * @return number The id of the comment
 */
export const createComment = async (route_id: string, comment: string): Promise<number> => {
    let conn = ClimbingRouteRatingDB.getConnection();
    try {
        let res = await conn.query('INSERT INTO route_comments (route_id, comment) VALUES (?, ?) RETURNING comment_id', [route_id, comment]);

        return res[0].comment_id;
    } catch (err) {
        throw err;
    }
};