package biz.mbisoftware.fn.wstypes;

import biz.mbisoftware.common.Constants;

/**
 * Wrapper class for an array of string arrays.
 */
public class StringArrayArray
{
    /** The encapsulated value of this object. */
    private StringArray[] value;

    /**
     * The default parameterless constructor.
     */
    public StringArrayArray( )
    {
    }

    /**
     * A constructor with assignment of the value attribute.
     * @param value The value to store.
     */
    public StringArrayArray( final StringArray[] value )
    {
        this.value = value;
    }

    /**
     * Get the current value.
     * @return  The current value.
     */
    public StringArray[] getValue()
    {
        return this.value;
    }

    /**
     * Set the value attribute to a new value.
     * @param value The new value.
     */
    public void setValue( final StringArray[] value )
    {
        this.value = value;
    }

    /**
     * Get the value from an String[][].
     * @param source    the source to get the data from
     */
    public void fromArray( final String[][] source )
    {
        if ( source == null ) {
            this.value = null;
        } else {
            this.value = new StringArray[source.length];
            for ( int i = 0; i < source.length; i++ ) {
                this.value[i] = new StringArray( source[i] );
            }
        }
    }

    /**
     * Get the value attribute of this object in String[][] format.
     * @return  returns the value as an String[][]
     */
    public String[][] to2DArray()
    {
        String[][] saa;
        int width = 0;
        int height = 0;
        if ( this.value != null ) {
            height = this.value.length;
            for ( int i = 0; i < height; i++ ) {
                String[] row;
                if ( this.value[i] == null ) {
                    row = null;
                } else {
                    row = this.value[i].getValue();
                }
                if ( row != null && row.length > width ) {
                    width = row.length;
                }
            }
        }
        saa = new String[height][width];
        for ( int l = 0; l < height; l++ ) {
            if ( this.value[l] != null ) {
                String [] row = this.value[l].getValue();
                if ( row != null ) {
                    for ( int c = 0; c < row.length; c++ ) {
                        saa[l][c] = row[c];
                    }
                }
            }
        }
        return saa;
    }

    /**
     * @see Object#toString()
     * @return a string representation of the object.
     */
    public String toString()
    {
        StringBuilder sb = new StringBuilder( Constants.DEFAULT_STRING_BUFFER_SIZE );
        sb.append( '[' );
        if ( this.value == null ) {
            sb.append( "null" );
        } else {
            for ( int row = 0; row < this.value.length; row++ ) {
                if ( this.value[row] == null ) {
                    sb.append( "null" );
                } else {
                    sb.append( this.value[row].toString() );
                }
                if ( row < this.value.length - 1 ) {
                    sb.append( ',' );
                }
            }
        }
        sb.append( ']' );
        return sb.toString();
    }
}