import { ParametersCombination } from "../models/ParametersCombination";
import { Configuration } from "../models/Configuration";

export class PermutationUtils {

    public static getParameterCombinationsFromConfiguration( configuration: Configuration ): ParametersCombination[] {

        let parametersCombinations: ParametersCombination[] = [];

        let minimumBuyThreshold: number = configuration.minimumBuyThreshold;
        let maximumBuyThreshold: number = configuration.maximumBuyThreshold;
        let buyThresholdPermutationStep: number = configuration.buyThresholdPermutationStep;
        let minimumSellThreshold: number = configuration.minimumSellThreshold;
        let maximumSellThreshold: number = configuration.maximumSellThreshold;
        let sellThresholdPermutationStep: number = configuration.sellThresholdPermutationStep;
        let minimumStopLossThreshold: number = configuration.minimumStopLossThreshold;
        let maximumStopLossThreshold: number = configuration.maximumStopLossThreshold;
        let stopLossThresholdPermutationStep: number = configuration.stopLossThresholdPermutationStep;


        for( let i = minimumBuyThreshold; i <= maximumBuyThreshold; i += buyThresholdPermutationStep ) {
            for( let j = minimumSellThreshold; j <= maximumSellThreshold; j += sellThresholdPermutationStep ) {
                for( let k = minimumStopLossThreshold; k <= maximumStopLossThreshold; k += stopLossThresholdPermutationStep ) {
                    parametersCombinations.push( new ParametersCombination( i, j, k ) );
                }
            }
        }

        return parametersCombinations;

    }

}