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

import java.text.Collator;

import org.apache.commons.lang3.StringUtils;

/**
 * Parses names of the format FA-3A port: 0. This class is immutable and can be cached.
 */
public class SymmetrixTableValue implements TableValue{
    private final Object display;
    private final String prefix;
    private final int slot;
    private final String processor;
    private final int port;

    public SymmetrixTableValue(String prefix, int slot, String processor, int port, Object display) {
        this.display = display;
        this.port = port;
        this.slot = slot;
        this.processor = processor;
        this.prefix = prefix;
    }

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

    public int getPort() {
        return port;
    }

    public String getPrefix() {
        return prefix;
    }

    public String getProcessor() {
        return processor;
    }

    public int getSlot() {
        return slot;
    }

    @Override
    public int compareTo (TableValue o) {
        if (o instanceof SymmetrixTableValue) {
            SymmetrixTableValue other = (SymmetrixTableValue) o;

            int prefixCompare = getPrefix().compareTo(other.getPrefix());
            if (prefixCompare == 0) {
                int slotCompare = getSlot() - other.getSlot();
                if(slotCompare == 0){
                    int processortCompare = getProcessor().compareTo(other.getProcessor());
                    if(processortCompare == 0){
                        return getPort() - other.getPort();
                    }else{
                        return processortCompare;
                    }
                }else{
                    return slotCompare;
                }
            } else {
                return prefixCompare;
            }
        } 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 + ((display == null) ? 0 : display.hashCode());
        result = prime * result + port;
        result = prime * result + ((prefix == null) ? 0 : prefix.hashCode());
        result = prime * result + ((processor == null) ? 0 : processor.hashCode());
        result = prime * result + slot;
        return result;
    }

    @Override
    public boolean equals(Object obj) {
        if (this == obj) return true;
        if (obj == null) return false;
        if (getClass() != obj.getClass()) return false;
        SymmetrixTableValue other = (SymmetrixTableValue) obj;
        if (port != other.port) return false;
        if (slot != other.slot) return false;
        if (prefix == null) {
            if (other.prefix != null) return false;
        }
        else if (!prefix.equals(other.prefix)) return false;
        if (processor == null) {
            if (other.processor != null) return false;
        }
        else if (!processor.equals(other.processor)) return false;
        if (display == null) {
            if (other.display != null) return false;
        }
        else if (!display.equals(other.display)) return false;
        return true;
    }
}