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package com.pichler.matura.celsius2fahrenheitconverter;

import java.text.SimpleDateFormat;
import java.util.Date;
import java.util.ArrayList;
import java.util.List;
import javax.faces.bean.ManagedBean;
import javax.faces.bean.SessionScoped;

/**
 *
 * @author Patrick
 */
@ManagedBean(name = "celsius2Fahrenheit")
@SessionScoped
public class Celsius2FahrenheitConverterBean {

    private double celsiusValue = 0;
    private double fahrenheitValue = 0;
    private SimpleDateFormat dateFormat;
    private List <HistoryItem> history = new ArrayList <>();


    public Celsius2FahrenheitConverterBean() {
        dateFormat = new SimpleDateFormat ("HH:mm dd.MM.YYYY");
    }

    public double getCelsiusValue() {
        return celsiusValue;
    }

    public void setCelsiusValue(double celsiusValue) {
        this.celsiusValue = celsiusValue;
    }

    public double getFahrenheitValue() {
        return fahrenheitValue;
    }

    public void setFahrenheitValue(double fahrenheitValue) {
        this.fahrenheitValue = fahrenheitValue;
    }

    public void convert() {
        fahrenheitValue = celsiusValue*1.8+32;
        history.add(new HistoryItem (new Date(), celsiusValue, fahrenheitValue));
    }

    public List<HistoryItem> getHistory() {
        return history;
    }

  public class HistoryItem {
        private Date date;
        private final double celsiusValue;
        private final double fahrenheitValue;

        public HistoryItem(Date date, double celsiusValue, double fahrenheitValue) {
            this.date = date;
            this.celsiusValue = celsiusValue;
            this.fahrenheitValue = fahrenheitValue;
        }

        public Date getDate() {
            return date;
        }

        public double getCelsiusValue() {
            return celsiusValue;
        }

        public double getFahrenheitValue() {
            return fahrenheitValue;
        }

        public String getDateFormatted () {
            return dateFormat.format(date);
        }


    }

}