import { IsBoolean, IsInt, IsNotEmpty, IsPositive } from "class-validator";
import { Scan } from '../entities/Scan';
import { ResponseObjectType } from '../enums/ResponseObjectType';
import { IResponse } from './IResponse';
import { ResponseRunner } from './ResponseRunner';

/**
 * Defines the scan response.
*/
export class ResponseScan implements IResponse {
    /**
    * The responseType.
    * This contains the type of class/entity this response contains.
    */
    responseType: ResponseObjectType = ResponseObjectType.SCAN;

    /**
     * The scans's id.
     */
    @IsInt()
    id: number;;

    /**
     * The scan's associated runner.
     * This is important to link ran distances to runners.
     */
    @IsNotEmpty()
    runner: ResponseRunner;

    /**
     * Is the scan valid (for fraud reasons).
     * The determination of validity will work differently for every child class.
     */
    @IsBoolean()
    valid: boolean = true;

    /**
     * The scans's length/distance in meters.
     */
    @IsInt()
    @IsPositive()
    distance: number;

    @IsInt()
    @IsPositive()
    created_at: number;

    @IsInt()
    @IsPositive()
    updated_at: number;

    /**
     * Creates a ResponseScan object from a scan.
     * @param scan The scan the response shall be build for.
     */
    public constructor(scan: Scan) {
        this.id = scan.id;
        if (scan.runner) { this.runner = scan.runner.toResponse(); }
        this.distance = scan.distance;
        this.valid = scan.valid;
        this.created_at = scan.created_at;
        this.updated_at = scan.updated_at;
    }
}
