import java.util.ArrayList;
import java.util.Scanner;
import java.io.FileInputStream;
import java.io.IOException;

public class StockDatabase {
    private ArrayList<StockEntry> database;

    public StockDatabase() {
        database = new ArrayList<StockEntry>();
    }

    public ArrayList<StockEntry> getDatabase() {
        return database;
    }

    public void readStockData(String filename){
        FileInputStream fileByteStream = null;
        Scanner scnr = null;
        try{
            //open file & set delimeters
            fileByteStream = new FileInputStream(filename);
            scnr = new Scanner(fileByteStream);
            scnr.useDelimiter("[,\r\n]+");
            scnr.nextLine();
            while(scnr.hasNext()){
                String date = scnr.next();
                double open = scnr.nextDouble();
                double high = scnr.nextDouble();
                double low = scnr.nextDouble();
                double close = scnr.nextDouble();
                StockEntry s = new StockEntry(
                                    date, open,
                                    high, low, close);
                database.add(s);
            }
            fileByteStream.close();
        }
        catch(IOException error1){
            System.out.println("Error with file " + filename);
        }

    }
}