<?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 contents class to acces local short links records

class kutrlLog
{
    public $table;
    public $blog;
    public $con;

    public function __construct()
    {
        $this->table = dcCore::app()->prefix . 'kutrl';
        $this->blog  = dcCore::app()->con->escape(dcCore::app()->blog->id);
        $this->con   = dcCore::app()->con;
    }

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

    public function insert($url, $hash, $type, $service = 'kutrl')
    {
        $cur = $this->con->openCursor($this->table);
        $this->con->writeLock($this->table);

        try {
            $cur->kut_id      = $this->nextId();
            $cur->blog_id     = $this->blog;
            $cur->kut_url     = (string) $url;
            $cur->kut_hash    = (string) $hash;
            $cur->kut_type    = (string) $type;
            $cur->kut_service = (string) $service;
            $cur->kut_dt      = date('Y-m-d H:i:s');
            $cur->kut_counter = 0;

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

            return [
                'id'       => $cur->kut_id,
                'url'      => $url,
                'hash'     => $hash,
                'type'     => $type,
                'service'  => $service,
                'counter ' => 0,
            ];
        } catch (Exception $e) {
            $this->con->unlock();

            throw $e;
        }

        return false;
    }

    public function select($url = null, $hash = null, $type = null, $service = 'kutrl')
    {
        //$this->con->writeLock($this->table);

        $req = 'SELECT kut_id as id, kut_hash as hash, kut_url as url, ' .
        'kut_type as type, kut_service as service, kut_counter as counter ' .
        'FROM ' . $this->table . ' ' .
        "WHERE blog_id = '" . $this->blog . "' " .
        "AND kut_service = '" . $this->con->escape($service) . "' ";

        if (null !== $url) {
            $req .= "AND kut_url = '" . $this->con->escape($url) . "' ";
        }
        if (null !== $hash) {
            $req .= "AND kut_hash = '" . $this->con->escape($hash) . "' ";
        }
        if (null !== $type) {
            if (is_array($type)) {
                $req .= "AND kut_type '" . $this->con->in($type) . "' ";
            } else {
                $req .= "AND kut_type = '" . $this->con->escape($type) . "' ";
            }
        }

        $req .= 'ORDER BY kut_dt DESC ' . $this->con->limit(1);

        $rs = $this->con->select($req);
        //$this->con->unlock();

        return $rs->isEmpty() ? false : $rs;
    }

    public function clear($id)
    {
        $id = (int) $id;

        $cur = $this->con->openCursor($this->table);
        $this->con->writeLock($this->table);

        try {
            $cur->kut_url     = '';
            $cur->kut_dt      = date('Y-m-d H:i:s');
            $cur->kut_counter = 0;

            $cur->update(
                "WHERE blog_id='" . $this->blog . "' " .
                "AND kut_id='" . $id . "' "
            );
            $this->con->unlock();

            return true;
        } catch (Exception $e) {
            $this->con->unlock();

            throw $e;
        }

        return false;
    }

    public function delete($id)
    {
        $id = (int) $id;

        return $this->con->execute(
            'DELETE FROM ' . $this->table . ' ' .
            "WHERE blog_id='" . $this->blog . "' " .
            "AND kut_id='" . $id . "' "
        );
    }

    public function counter($id, $do = 'get')
    {
        $id = (int) $id;

        $rs = $this->con->select(
            'SELECT kut_counter ' .
            'FROM ' . $this->table . ' ' .
            "WHERE blog_id='" . $this->blog . "' " .
            "AND kut_id='" . $id . "' "
        );

        $counter = $rs->isEmpty() ? 0 : $rs->kut_counter;

        if ('get' == $do) {
            return $counter;
        } elseif ('up' == $do) {
            $counter += 1;
        } elseif ('reset' == $do) {
            $counter = 0;
        } else {
            return 0;
        }

        $cur = $this->con->openCursor($this->table);
        $this->con->writeLock($this->table);

        $cur->kut_counter = (int) $counter;
        $cur->update(
            "WHERE blog_id='" . $this->blog . "' " .
            "AND kut_id='" . $id . "'"
        );
        $this->con->unlock();

        return $counter;
    }

    public function getLogs($p, $count_only = false)
    {
        if ($count_only) {
            $r = 'SELECT count(S.kut_id) ';
        } else {
            $content_req = '';

            if (!empty($p['columns']) && is_array($p['columns'])) {
                $content_req .= implode(', ', $p['columns']) . ', ';
            }
            $r = 'SELECT S.kut_id, S.kut_type, S.kut_hash, S.kut_url, ' .
            $content_req . 'S.kut_dt ';
        }
        $r .= 'FROM ' . $this->table . ' S ';
        if (!empty($p['from'])) {
            $r .= $p['from'] . ' ';
        }
        $r .= "WHERE S.blog_id = '" . $this->blog . "' ";
        if (isset($p['kut_service'])) {
            $r .= "AND kut_service='" . $this->con->escape($p['kut_service']) . "' ";
        } else {
            $r .= "AND kut_service='kutrl' ";
        }
        if (isset($p['kut_type'])) {
            if (is_array($p['kut_type']) && !empty($p['kut_type'])) {
                $r .= 'AND kut_type ' . $this->con->in($p['kut_type']);
            } elseif ($p['kut_type'] != '') {
                $r .= "AND kut_type = '" . $this->con->escape($p['kut_type']) . "' ";
            }
        }
        if (isset($p['kut_id'])) {
            if (is_array($p['kut_id']) && !empty($p['kut_id'])) {
                $r .= 'AND kut_id ' . $this->con->in($p['kut_id']);
            } elseif ($p['kut_id'] != '') {
                $r .= "AND kut_id = '" . $this->con->escape($p['kut_id']) . "' ";
            }
        }
        if (isset($p['kut_hash'])) {
            if (is_array($p['kut_hash']) && !empty($p['kut_hash'])) {
                $r .= 'AND kut_hash ' . $this->con->in($p['kut_hash']);
            } elseif ($p['kut_hash'] != '') {
                $r .= "AND kut_hash = '" . $this->con->escape($p['kut_hash']) . "' ";
            }
        }
        if (isset($p['kut_url'])) {
            if (is_array($p['kut_url']) && !empty($p['kut_url'])) {
                $r .= 'AND kut_url ' . $this->con->in($p['kut_url']);
            } elseif ($p['kut_url'] != '') {
                $r .= "AND kut_url = '" . $this->con->escape($p['kut_url']) . "' ";
            }
        }
        if (!empty($p['kut_year'])) {
            $r .= 'AND ' . $this->con->dateFormat('kut_dt', '%Y') . ' = ' .
            "'" . sprintf('%04d', $p['kut_year']) . "' ";
        }
        if (!empty($p['kut_month'])) {
            $r .= 'AND ' . $this->con->dateFormat('kut_dt', '%m') . ' = ' .
            "'" . sprintf('%02d', $p['kut_month']) . "' ";
        }
        if (!empty($p['kut_day'])) {
            $r .= 'AND ' . $this->con->dateFormat('kut_dt', '%d') . ' = ' .
            "'" . sprintf('%02d', $p['kut_day']) . "' ";
        }
        if (!empty($p['sql'])) {
            $r .= $p['sql'] . ' ';
        }
        if (!$count_only) {
            $r .= empty($p['order']) ?
                'ORDER BY kut_dt DESC ' :
                'ORDER BY ' . $this->con->escape($p['order']) . ' ';
        }
        if (!$count_only && !empty($p['limit'])) {
            $r .= $this->con->limit($p['limit']);
        }

        return $this->con->select($r);
    }
}