<?php
/**
 * String
 *
 * @author gERD Schaufelberger <gerd@schaufelberger.de>
 * @license PHP License
 * @package WB
 * @subpackage base
 */

/**
 * String Address
 *
 * Simple string functions
 *
 * @todo merge with WBGeo_Address
 * @todo resolve persongenderid
 * @todo salutation stuff
 * @version 1.0.0
 * @package WB
 * @subpackage base
 */
class WBString_Address extends WBStdClass
{
    private $country    =   'de';
    private $address    =   array(
                                    'persongenderid'    =>  0,
                                    'title'     =>  '',
                                    'name'      =>  '',
                                    'address'   =>  '',
                                    'zip'       =>  '',
                                    'city'      =>  '',
                                    'country'   =>  ''
                                    );

    /**
     * Set Country Code of Address
     *
     * @param string ISO 2-letter country code
     */
    public function setCountry($code)
    {
        $this->country  =   strtolower($code);
    }

    /**
     * Get Address Data
     *
     * @param string named address part or empty for all
     * @return string|array
     */
    public function get($column = '')
    {
        if (empty($column)) {
            return $this->address;
        }

        // avoid notice
        if (!isset($this->address[$column])) {
            return '';
        }
        return $this->address[$column];
    }

    /**
     * Parse Address Label
     *
     * Convert multiline address label to assiative array
     * @param string
     */
    public function parseLabel($label)
    {
        if (!is_array($label)) {
            $label  =   trim($label);
            $label  =   explode("\n", $label);
        }

        // German addresses only... :-/
        while (!empty($label)) {
            $line   =   array_pop($label);
            $line   =   trim($line);

            // ignore empty lines
            if (empty($line)) {
                continue;
            }

            if (empty($this->address['zip'])) {

                // country is optional
                if (empty($this->address['country'])) {
                    if (!preg_match('/\d+\s/', $line)) {
                        if (empty($label)) {
                            $this->parseNameLine($line);
                            continue;
                        }

                        $this->address['country']   =   $line;
                        continue;
                    }
                }

                // zip and city
                if (preg_match('/\d+\s/', $line)) {
                    $tmp    =   explode(' ', $line);
                    $this->address['zip']   =   array_shift($tmp);
                    $this->address['city']  =   implode(' ', $tmp);

                    continue;
                }
            }

            if (empty($this->address['address'])) {
                $this->address['address']   =   $line;
                continue;
            }

            // additional address lines
            // wild guess address lines have a number in it
            if (preg_match('/\d+/', $line) && 0 < count($label)) {
                $this->address['address']   .=  "\n" . $line;
                continue;
            }

            $this->parseNameLine($line);
        }
    }

    private function parseNameLine($line)
    {
        // Frau / Herr
        if (preg_match('/^Herr\s+/', $line)) {
            $this->address['title'] =   'Herr';
            $line   =   preg_replace('/^Herr\s+/', '', $line);
            $this->address['persongenderid']    =   4;
        }
        else if (preg_match('/^Frau\s+/i', $line)) {
            $this->address['title'] =   'Frau';
            $line   =   preg_replace('/^Frau\s+/', '', $line);
            $this->address['persongenderid']    =   3;
        }

        if (empty($this->address['name'])) {
            $this->address['name']   =   $line;
            return;
        }
        $this->address['name']   .= "\n" . $line;
    }
}