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package com.dsj.sorting;

import java.util.Arrays;

import java.util.Scanner;

public abstract class SortingUtils {

int sizeOfArr;

boolean dataTypeNumber = false;

Object[] unsortedArr;

Scanner sc;

/** Take the size of the input and initialize the unsorted array. */

SortingUtils() {

System.out.println("Enter the size of your list:");

sc = new Scanner(System.in);

this.sizeOfArr = sc.nextInt();

initializeUnsortedArr();

}

/**

* Depending on the input provided, the sorting algorithm will sort the inputs.

* If a number is provided it sorts the number based on their value. If the

* input is anything but a number, it sorts based on its length.

*/

void initializeUnsortedArr() {

System.out.println("Enter your items:");

String typeTestVar = sc.next();

if (isOfTypeNumber(typeTestVar)) {

dataTypeNumber = true;

unsortedArr = new Number[sizeOfArr];

unsortedArr[0] = Double.parseDouble(typeTestVar);

for (int i = 1; i < sizeOfArr; i++) {

unsortedArr[i] = sc.nextDouble();

}

} else {

unsortedArr = new String[sizeOfArr];

unsortedArr[0] = typeTestVar;

for (int i = 1; i < sizeOfArr; i++) {

unsortedArr[i] = sc.next();

}

}

sc.close();

}

private boolean isOfTypeNumber(String typeTestVar) {

return typeTestVar.matches("^[-\\+]?\\d*.?\\d+$");

}

public void display() {

System.out.println("The sorted array is: ");

Arrays.stream(unsortedArr).forEach(System.out::println);

}

public void sort() {

if (!dataTypeNumber) {

this.sortArrayOfStrings();

} else {

this.sortArrayOfNumbers();

}

}

/**

* To be implemented by each sorting class.

*/

abstract void sortArrayOfNumbers();

abstract void sortArrayOfStrings();

}