import {
    IsInt,
    IsObject,
    IsString
} from "class-validator";
import { Runner } from '../entities/Runner';
import { RunnerGroup } from '../entities/RunnerGroup';

/**
 * Defines the runner response.
*/
export class ResponseStatsRunner {
    /**
     * The participant's id.
     */
    @IsInt()
    id: number;

    /**
     * The participant's first name.
     */
    @IsString()
    firstname: string;

    /**
     * The participant's middle name.
     */
    @IsString()
    middlename?: string;

    /**
     * The participant's last name.
     */
    @IsString()
    lastname: string;

    /**
     * The runner's currently ran distance in meters.
     */
    @IsInt()
    distance: number;

    /**
     * The runner's currently collected donations.
     */
    @IsInt()
    donationAmount: number;

    /**
     * The runner's group.
     */
    @IsObject()
    group: RunnerGroup;

    /**
     * Creates a ResponseRunner object from a runner.
     * @param runner The user the response shall be build for.
     */
    public constructor(runner: Runner) {
        this.firstname = runner.firstname;
        this.middlename = runner.middlename;
        this.lastname = runner.lastname;
        this.distance = runner.scans.filter(scan => { scan.valid === true }).reduce((sum, current) => sum + current.distance, 0);
        this.donationAmount = runner.distanceDonationAmount;
        this.group = runner.group;
    }
}