package com.onaro.sanscreen.client.view.tabular.value;

import java.text.Collator;

import org.apache.commons.lang3.StringUtils;

/**
 * Parses names of the format Bay 2, Card 1 Port A. This class is immutable and can be cached.
 */
public class IBMTableValue implements TableValue{
    private final Object display;
    private final int bay;
    private final int card;
    private final String suffix;

    public IBMTableValue(Object display, int bay, int card, String suffix) {
        this.bay = bay;
        this.card = card;
        this.display = display;
        this.suffix = suffix;
    }

    public Object getDisplay() {
        return display != null ? display : StringUtils.EMPTY;
    }


    public int getBay() {
        return bay;
    }

    public int getCard() {
        return card;
    }

    public String getSuffix() {
        return suffix;
    }

    @Override
    public int compareTo (TableValue o) {
        if (o instanceof IBMTableValue) {
            IBMTableValue other = (IBMTableValue) o;
            int bayCompare = getBay() - other.getBay();
            if(bayCompare == 0){
                int cardCompare = getCard() - other.getCard();
                if(cardCompare == 0){
                    return getSuffix().compareTo(other.getSuffix());
                }else{
                    return cardCompare;
                }
            }else{
                return bayCompare;
            }
        } else {
            // Use natural language sort order.
            return Collator.getInstance().compare(getDisplay().toString(), (o.getDisplay()).toString());
        }
    }

    /**
     * Since this method is used by he grouping-table, it returns the display value.
     * @return Return's the same value as {@link TableValue#getDisplay} does
     */
    public String toString() {
        return getDisplay().toString();
    }

    @Override
    public int hashCode() {
        final int prime = 31;
        int result = 1;
        result = prime * result + bay;
        result = prime * result + card;
        result = prime * result + ((suffix == null) ? 0 : suffix.hashCode());
        result = prime * result + ((display == null) ? 0 : display.hashCode());
        return result;
    }

    @Override
    public boolean equals(Object obj) {
        if (this == obj) return true;
        if (obj == null) return false;
        if (getClass() != obj.getClass()) return false;
        IBMTableValue other = (IBMTableValue) obj;
        if (bay != other.bay) return false;
        if (card != other.card) return false;
        if (suffix == null) {
            if (other.suffix != null) return false;
        }
        else if (!suffix.equals(other.suffix)) return false;
        if (display == null) {
            if (other.display != null) return false;
        }
        else if (!display.equals(other.display)) return false;
        return true;
    }
}