package Sorting;

import java.time.Duration;
import java.time.Instant;

public abstract class WordSorter {

    protected String sortType;
    protected String[] words;
    protected long comparisonsUsed = 0;
    protected long writesUsed=0;

    public WordSorter(String sortType, RandomWordFileReader reader){
        this.sortType = sortType;
        words = new String[reader.getWords().size()];
        reader.getWords().toArray(words);
    }

    abstract void sort();

    protected int compare(String a, String b){
        comparisonsUsed++;
        return a.compareTo(b);
    }

    protected void writeToArray(String[] array, int index, String value){
        array[index]=value;
        writesUsed++;
    }

    protected void swap(String[] array, int indexA, int indexB){
        String tmp = array[indexA];
        array[indexA] = array[indexB];
        array[indexB] = tmp;
        writesUsed+=2;
    }

    public WordSortResult measuredSort(){
        if(words.length!=0){
            Instant start = Instant.now();
            this.sort();
            Instant end = Instant.now();
            Duration time = Duration.between(start,end);
            WordSortResult output = new WordSortResult(sortType, words, comparisonsUsed, writesUsed, time);
            return output;
        }
        else{
            System.out.println("Nothing to sort using "+sortType);
            return null;
        }
    }


}