<?php

class Address {

    public static function parse($address) {
        $tblAdressState = new Address_State_Table();
        $tblAdressZip = new Address_Zip_Table();
        $arrRes = array('Zip' => '', 'State' => '', 'City' => '', 'County' => '','Address' => '', 'Unparsed' => '');
        $address = trim($address, ' -');
        $strZip = substr($address, -5);
        $posDash = strpos($strZip, '-');
        if ($posDash !== false) {
            $address = substr($address, 0, strlen($address) - $posDash - strlen($strZip));
            $strZip = substr($address, -5);
        }
        if (is_numeric($strZip)) {
            $arrRes['Zip'] = $strZip;
            $address = trim(substr($address, 0, strrpos($address, $strZip)));
        }

        $arrExplode = explode(',', $address);

        if (count($arrExplode) == 3) {
            $arrRes['State'] = trim($arrExplode[2]);
            $arrRes['City'] = self::validateCity(trim($arrExplode[1]));
            $arrRes['Address'] = trim($arrExplode[0]);
            return $arrRes;
        } elseif (count($arrExplode) == 2) {
            $arrRes['State'] = (string) $tblAdressState->checkState(trim($arrExplode[1]));
            if (!empty($arrRes['State'])) {
                $address = trim(substr($address, 0, strrpos($address, $arrExplode[1])), ', ');
                $checkCity = '';
                $arrExplodeSpaces = explode(' ', $address);
                $i = count($arrExplodeSpaces) - 1;
                while (isset($arrExplodeSpaces[$i])) {
                    $checkCity = trim($arrExplodeSpaces[$i] . ' ' . $checkCity);
                    $CityCounty = $tblAdressZip->fetchCityAndCounty($checkCity, $arrRes['State']);
                    if (is_array($CityCounty)) {
                        $arrRes['City'] = $CityCounty['City'];
                        $arrRes['County'] = $CityCounty['County'];
                        if (!empty($arrRes['City'])) {
                            $arrRes['Address'] = trim(substr($address, 0, strrpos($address, $checkCity)), ', ');
                            break;
                        }
                    }
                    $i--;
                }
                if ($i < 0)
                    $arrRes['Unparsed'] = $address;
            }
        } else {
            $arrRes['Unparsed'] = $address;
        }
        
        return $arrRes;
    }
    
    public static function validateCity($str) {
        if (preg_match('/[0-9]+/', $str)) { // no numbers
            return '';
        } else {
            return $str;
        }
    }

}