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


public class PortSymmetrixTableValueFactory extends BaseTableValueFactory{

    public PortSymmetrixTableValueFactory() {
        super(new ComparatorTableValueFactory());
    }

    /** FA-3A    port: 0
     * prefix (FA)- parse until the -
     * slot (3) - parse from the - until the first non digit
     * processor (A) - parse until the space
     * port (0) - parse from first to last digit
     */
    public TableValue createImpl(Object display) throws IllegalArgumentException {
        if (display != null) {
            char[] chars = display.toString().trim().toCharArray();
            int i = 0;
            int indexOfHyphen = -1;
            int indexOfFirstProcessorChar = -1;
            int indexOfSpaceStart = -1;
            int indexOfFirstPortDigit = -1;

            for (; i < chars.length; i++) {
                if (chars[i] == '-') {
                    indexOfHyphen = i;
                    break;
                }
            }

            if (indexOfHyphen != -1) {
                for (i++; i < chars.length; i++) {
                    if (!Character.isDigit(chars[i])) {
                        indexOfFirstProcessorChar = i;
                        break;
                    }
                }

                if (indexOfFirstProcessorChar != -1) {
                    for (i++; i < chars.length; i++) {
                        if (Character.isWhitespace(chars[i])) {
                            indexOfSpaceStart = i;
                            break;
                        }
                    }
                    if(indexOfSpaceStart != -1){
                        for (i++; i < chars.length; i++) {
                            if (Character.isDigit(chars[i])) {
                                indexOfFirstPortDigit = i;
                                break;
                            }
                        }

                        if(indexOfFirstPortDigit != -1){
                            String prefix = new String(chars, 0, indexOfHyphen);
                            String slotString = new String(chars,indexOfHyphen+1,indexOfFirstProcessorChar-indexOfHyphen-1);
                            String processor = new String(chars,indexOfFirstProcessorChar,indexOfSpaceStart-indexOfFirstProcessorChar);
                            String portString = new String(chars,indexOfFirstPortDigit,chars.length-indexOfFirstPortDigit);
                            if (slotString.length() > 0 && portString.length() > 0) {
                                int slot = Integer.parseInt(slotString);
                                int port = Integer.parseInt(portString);

                                return new SymmetrixTableValue(prefix, slot, processor, port,display);
                            }
                        }
                    }
                }
            }
        }

        throw new IllegalArgumentException("Failed to parse number in ["+String.valueOf(display)+"]"); //$NON-NLS-1$ //$NON-NLS-2$
    }
}