<?php
/**
 * form_type_date.class.php
 * Created by Komma Mediadesign.
 * Author: mike
 * Date: 4/3/13
 */
class Field_Type_Date extends Form_Field
{
    public function construct()
    {
    }

    public function createInput()
    {
        // Text area
        $output = '';
        $output .= '<input name="'.$this->_info['name'].'" type="'.$this->_info['type'].'" value="'.$this->_info['value'].'" data-label="'.$this->_info['label'].'"';
        if (! empty($this->_info['id'])) {
            $output .= ' id="'.$this->_info['id'].'"';
        }
        if (count($this->_info['classes']) > 0) {
            $output .= ' class="';
            foreach ($this->_info['classes'] as $i => $class) {
                if ($i != 0) {
                    $output .= ' ';
                }
                $output .= $class;
            }
            $output .= '"';
        }
        $output .= ' />';

        return $output;
    }

    /*
     * Check if date really exists
     */
    public function validate($input = null)
    {
        //check if input is a valid date
        $temp = explode('-', $input);
        if (count($temp) >= 3) {
            $day = (int) $temp[0];
            $month = (int) $temp[1];
            $year = (int) $temp[2];

            if (checkdate($month, $day, $year)) {
                return true;
            }
        }
        $this->_error = 'Please enter a valid date';

        return false;
    }

    /*
     * Converts '-' separated date to a timestamp
     */
    public function prepareToDb($input)
    {
        $temp = explode('-', $input);
        if (count($temp) >= 3) {
            $day = (int) $temp[0];
            $month = (int) $temp[1];
            $year = (int) $temp[2];

            $timestamp = mktime(12, 0, 0, $month, $day, $year);

            return $timestamp;
        }

        return $input;
    }

    /*
     * Converts timestamp to a '-' separated date
     */
    public function prepareFromDb($timestamp)
    {
        $date = date('d-m-Y', $timestamp);

        return $date;
    }

    /*
     * Return errors
     */
    public function getError()
    {
        return $this->_error;
    }
}