<?php
class Reason
{
    public $id;
    public $id_reason;
    public $id_contact;
    public $visible;
    public $contact = array();
    public $title = array();
    public $versions = array();
    
    public function __construct($id=NULL)
    {
        if($id !== NULL) {
            $reason = Reason::getReason($id);
            if($reason) {
                $this->id         = $id;
                $this->id_reason  = $reason['id_reason'];
                $this->id_contact = $reason['id_contact'];
                $this->visible    = $reason['visible'];
                $this->contact    = $reason['contact'];
                $this->title      = $reason['title'];
                /*$this->versions = $reason['versions'];*/
            }
        }
    }

    public static function getReason($id) {
        if(!($r = Db::getInstance()->ExecuteS('
            SELECT *
            FROM `'._DB_PREFIX_.'support_reason`
            WHERE `id_reason` = '.(int) $id
        )) || count($r) == 0) {
            return false;
        }

        $result = array(
            'id_reason'  => $r[0]['id_reason'],
            'id_contact' => $r[0]['id_contact'],
            'visible'    => $r[0]['visible'],
            'title'      => array(),
        );

        $rl = Db::getInstance()->ExecuteS('
            SELECT *
            FROM `'._DB_PREFIX_.'support_reason_lang`
            WHERE `id_reason` = '.(int) $id
        );
        foreach($rl as $l) {
            $result['title'][$l['id_lang']] = $l['title'];
        }

        $cl = Db::getInstance()->ExecuteS('
            SELECT cl.`name`, cl.`id_lang`
            FROM `'._DB_PREFIX_.'contact_lang` cl
            LEFT JOIN `'._DB_PREFIX_.'support_reason` sr ON sr.`id_contact` = cl.`id_contact`
            WHERE sr.`id_reason` = '.(int) $id
        );

        foreach($cl as $l) {
            $result['contact'][$l['id_lang']] = $l['name'];
        }

        /*foreach(Db::getInstance()->ExecuteS('
            SELECT `version`
            FROM `'._DB_PREFIX_.'support_reason_site_version`
            WHERE `id_reason` = '.(int) $id
        ) as $version) {
            $result['versions'][] = $version['version'];
        }*/

        return $result;
    }

    public static function getReasons($where = array(), $lite=false, $order_by='`id_reason` ASC', $limit=null) {
        global $cookie;
        $result = array();

        $query = '
            SELECT sr.`id_reason`
            FROM `'._DB_PREFIX_.'support_reason` sr
        ';

        !empty($where)? $query .= 'WHERE '.implode(' AND ', $where):$query;
        $query .= ' ORDER BY '.$order_by;

        if($limit !== null) {
            $query .= ' LIMIT '.$limit;
        }
        if($reasons = Db::getInstance()->ExecuteS($query)) {
            if ($lite) {
                foreach($reasons AS $reason) {
                    $result[] = $reason['id_reason'];
                }
            } else {
                foreach($reasons AS $reason) {
                    $result[] = new Reason($reason['id_reason']);
                }
            }
        }
        return $result;
    }

    public function save() {
        if($this->id !== null) {
            Db::getInstance()->Execute('
                UPDATE `'._DB_PREFIX_.'support_reason` SET
                    `id_contact` = '.(int) $this->id_contact.'
                    `visible` = '.(int) $this->visible.'
                WHERE `id_reason` = '.(int) $this->id.'
            ');

            Db::getInstance()->Execute('DELETE FROM `'._DB_PREFIX_.'support_reason_lang` WHERE `id_reason` = '.(int) $this->id);
            $reason_i18n = array();
            foreach($this->title as $k => $v) {
                if(!isset($reason_i18n[$k])) {
                    $reason_i18n[$k] = array();
                }
                $reason_i18n[$k]['title'] = $v;
            }
            foreach($reason_i18n as $lang => $values) {
                Db::getInstance()->Execute('
                    INSERT INTO `'._DB_PREFIX_.'support_reason_lang` VALUES (
                        '.$this->id.',
                        '.$lang.',
                        "'.(isset($values['title'])? pSQL($values['title']): '').'"
                    )
                ');
            }

        } else {

            Db::getInstance()->Execute('
                INSERT INTO `'._DB_PREFIX_.'support_reason` VALUES (
                    DEFAULT,
                    '.(int) $this->id_contact.',
                    '.(int) $this->visible.'
                )
            ');
            $this->id = Db::getInstance()->Insert_ID();

            Db::getInstance()->Execute('DELETE FROM `'._DB_PREFIX_.'support_reason_lang` WHERE `id_reason` = '.(int) $this->id);
            $reason_i18n = array();
            foreach($this->title as $k => $v) {
                if(!isset($reason_i18n[$k])) {
                    $reason_i18n[$k] = array();
                }
                $reason_i18n[$k]['title'] = $v;
            }
            foreach($reason_i18n as $lang => $values) {
                Db::getInstance()->Execute('
                    INSERT INTO `'._DB_PREFIX_.'support_reason_lang` VALUES (
                        '.$this->id.',
                        '.$lang.',
                        "'.(isset($values['title'])? pSQL($values['title']): '').'"
                    )
                ');
            }
        }
    }

    public static function deleteReason($id) {
        if($reason = Reason::getReason($id)) {
            Db::getInstance()->Execute('DELETE FROM `'._DB_PREFIX_.'support_reason_lang` WHERE `id_reason` = '.(int) $id);
            Db::getInstance()->Execute('DELETE FROM `'._DB_PREFIX_.'support_reason` WHERE `id_reason` = '.(int) $id);
        }
    }

    public function insertReasonCustomerThread($id_thread) {
        
        if(!($result = Db::getInstance()->ExecuteS('
            SELECT *
            FROM `'._DB_PREFIX_.'support_reason_customerthread`
            WHERE `id_customer_thread` = '.(int) $id_thread
        )) || count($result) == 0) {
            $insert = Db::getInstance()->Execute('
                INSERT INTO `'._DB_PREFIX_.'support_reason_customerthread` VALUES (
                    '.$this->id.',
                    '.(int) $id_thread.'
                )
            ');
        }
    }
}