import { Injectable } from '@nestjs/common';
import { RandomNumberService } from './random-number.service';
import {
    defaultLoopedRandomNumberServiceOptions,
    LoopedRandomNumberServiceOptions,
} from './looped-random-number-service-options';

@Injectable()
export class LoopedRandomNumberService {
    private options: LoopedRandomNumberServiceOptions;
    constructor(
        options: Partial<LoopedRandomNumberServiceOptions>,
        private readonly randomNumberService: RandomNumberService,
    ) {
        this.options = Object.assign(
            {},
            defaultLoopedRandomNumberServiceOptions,
            options,
        );
    }

    generate(): number {
        let result = 0;

        for (let i = 0; i < this.options.loops; i++) {
            result += this.randomNumberService.generate();
        }

        return result;
    }
}