<?php
// custom/include/SugarFields/Fields/Phone/SugarFieldPhone.php
require_once('include/SugarFields/Fields/Phone/SugarFieldPhone.php');
class CustomSugarFieldPhone extends SugarFieldPhone{

	private $replacement_chars = array(' ','-','(',')','x','X','.','+','#','!');

	/**
	 * Remove any special characters to sanitize input, storing only ints
	 * @see parent::save
	 */
	public function save($bean, $params, $field, $properties, $prefix = ''){
		parent::save($bean,$params,$field,$properties,$prefix);
		$bean->$field = str_replace($this->replacement_chars,'',$bean->$field);
	}

	/**
	 * Set a custom key in the $vardef to pass along formatted version of phone number
	 * @see parent::setup
	 */
	public function setup($parentFieldArray, $vardef, $displayParams, $tabindex, $twopass=true){
		parent::setup($parentFieldArray, $vardef, $displayParams, $tabindex, $twopass);

		// detailview uses $vardef['value'] but listview doesn't
		if(!empty($vardef['value'])){
			$vardef['value_cstm'] = $this->format_phone_number($vardef['value']);
			$this->ss->assign('vardef', $vardef);
		}else{
			$vardef['value_cstm'] = $this->format_phone_number($parentFieldArray[$vardef['name']]);
			$this->ss->assign('vardef', $vardef);
		}
	}

	/**
	 * Take the raw int data and format pretty like 1 (123) 123-1234
	 * @param int $value Phone Number, formatted as integers
	 */
	private function format_phone_number($value){
		$index = 0;
		$return = "";

		// if we have fewer than 10 chars, just return
		if(strlen($value) < 10){
			return $value;
		}

		// if we have fewer than 11 chars and the lead is '1' (country code)
		// then just return
		if(strlen($value) < 11 && $value[$index] == 1){
			return $value;
		}

		// check for a country code, we only support US, though
		if($value[$index] == '1'){
			$return .= "{$value[$index++]} ";
		}

		// lay out the area code
		$return .= "({$value[$index++]}{$value[$index++]}{$value[$index++]}) ";

		// the prefix and hash
		$return .= "{$value[$index++]}{$value[$index++]}{$value[$index++]}-";

		// the line number
		$return .= "{$value[$index++]}{$value[$index++]}{$value[$index++]}{$value[$index++]}";

		// if there are more, it must be an extension
		if(strlen($value) > $index){
			$return .= " x ";
			while($index < strlen($value)){
				$return .= "{$value[$index++]}";
			}
		}

		return $return;
	}
}