<?php
/**
 * @brief kUtRL, a plugin for Dotclear 2
 * 
 * @package Dotclear
 * @subpackage Plugin
 * 
 * @author Jean-Christian Denis and contributors
 * 
 * @copyright Jean-Christian Denis
 * @copyright GPL-2.0 https://www.gnu.org/licenses/gpl-2.0.html
 */

# This file takes records from plugin dcMiniUrl 
# and inserts them into plugin kUtRL.

if (!defined('DC_CONTEXT_ADMIN')){return;}

$miniurl_patch = new dcMiniUrl2kUtRL($core);
if ($miniurl_patch->parseRecords())
{
    try
    {
        $core->plugins->deactivateModule('dcMiniUrl');
    }
    catch (Exception $e)
    {
        //$core->error->add($e->getMessage());
    }
}

class dcMiniUrl2kUtRL
{
    public $core;

    public $k_tb;
    public $m_tb;

    public function __construct($core)
    {
        $this->core = $core;
        $this->con = $core->con;
        $this->k_tb = $core->prefix.'kutrl';
        $this->m_tb = $core->prefix.'miniurl';
    }

    public function parseRecords()
    {
        $rs = $this->con->select(
            'SELECT * FROM '.$this->m_tb.' '
        );

        while ($rs->fetch())
        {
            if ($rs->miniurl_type == 'customurl' || $rs->miniurl_type == 'miniurl')
            {
                if ($this->exists($rs)) continue;

                $this->insertKutrl($rs);
                $this->insertLocal($rs);
            }
            else
            {
                $this->insertOther($rs);
            }
        }
        return true;
    }

    private function insertKutrl($rs)
    {
        $cur = $this->common($rs);
        $cur->kut_service = 'kutrl';
        $cur->kut_type = 'local';
        $cur->kut_counter = 0;
        $cur->kut_password = null;

        $cur->insert();
        $this->con->unlock();
    }

    private function insertLocal($rs)
    {
        $cur = $this->common($rs);
        $cur->kut_service = 'local';
        $cur->kut_type = $rs->miniurl_type == 'customurl' ? 
            'localcustom' : 'localnormal';

        $cur->insert();
        $this->con->unlock();
    }

    private function insertOther($rs)
    {
        $cur = $this->common($rs);

        $cur->insert();
        $this->con->unlock();
    }

    private function common($rs)
    {
        $cur = $this->con->openCursor($this->k_tb);
        $this->con->writeLock($this->k_tb);
        $cur->kut_id = $this->nextId();
        $cur->blog_id = $rs->blog_id;
        $cur->kut_service = 'unknow';
        $cur->kut_type = $rs->miniurl_type;
        $cur->kut_hash = $rs->miniurl_id;
        $cur->kut_url = $rs->miniurl_str;
        $cur->kut_dt = $rs->miniurl_dt;
        $cur->kut_counter = $rs->miniurl_counter;
        $cur->kut_password = $rs->miniurl_password;

        return $cur;
    }

    private function exists($rs)
    {
        $chk = $this->con->select(
            'SELECT kut_hash FROM '.$this->k_tb.' '.
            "WHERE blog_id = '".$rs->blog_id."' ".
            "AND kut_service = 'local' ".
            "AND kut_hash = '".$rs->miniurl_id."' "
        );
        return !$chk->isEmpty();
    }

    private function nextId()
    {
        return $this->con->select(
            'SELECT MAX(kut_id) FROM '.$this->k_tb.' '
        )->f(0) + 1;
    }
}