import java.io.BufferedReader;
import java.io.FileInputStream;
import java.io.IOException;
import java.io.InputStreamReader;

public class AL6_3 {

    private Surname[] surnames;
    private Surname[] table;
    private final Surname del = new Surname(0,"DEL");

    public AL6_3(String path) throws IOException {
        this.surnames = readFile(path);
    }

    public Surname[] getSurnames() {
        return surnames;
    }

    public Surname[] readFile(String path) throws IOException {
        FileInputStream fileInputStream = new FileInputStream(path);
        BufferedReader bufferedReader = new BufferedReader(new InputStreamReader(fileInputStream));
        Surname[] result;
        String currentLine;
        int arraySize = 0;
        while((currentLine = bufferedReader.readLine()) != null){
            arraySize++;
        }
        result = new Surname[arraySize];
        fileInputStream.getChannel().position(0);
        bufferedReader = new BufferedReader(new InputStreamReader(fileInputStream));
        for(int i=0; i<arraySize; i++){
            currentLine = bufferedReader.readLine();
            Surname item = new Surname(Integer.parseInt(currentLine.split(" ")[0]),currentLine.split(" ")[1]);
            result[i] = item;
        }
        return result;
    }

    public void hashInsert(Surname surname){
        int i = 0;
        int j;
        do {
            j=hash(Utilities.wordToLong(surnames[i].getSurname(),111), table.length,i);
            if(table[j]==null || table[j].getSurname().equals("DEL")){
                table[j] = surname;
                return;
            }
            i++;
        }while(i< table.length);
        System.out.println("Błąd - brak miejsca w tablicy");
    }

    //adresowanie otwarte liniowe
    //key - wyraz przekonwertowany na longa
    //attempt - kolejna próba haszowania, w przypadku gdy poprzednia dała zajęty indeks w tablicy
    public int hash(long key, int tabLength, int attempt){
        long result = (key % tabLength +attempt)%tabLength;
        return (int)result;
    }




}