<?php
namespace HermannTelser\Gutachten\DB;

//  composer dump-autoload -o

use \HermannTelser\Gutachten\Utility\Message;
use \HermannTelser\Gutachten\Eid\TxGutachten;
use PDO;

class DbFunction
{
    public static $debug = 0;
    public static $projektid = 0;

    /***************************************************
    * print sql querries
    ***************************************************/
    public static function debugSql($line)
    {
        if (self::$debug or TxGutachten::$debug) {
            Message::note($line . " - " . str_replace('"', "", MariaDB::$db_handle->last()));
        }
    }


    /***************************************************
    * secure UPDATE
    ***************************************************/

    public static function secureUpdate($table, $value_array, $where)
    {
        $max_tries = 3;
        $tries = 0;
        do {
            $retry = false;
            try {
                $data = MariaDB::$db_handle->update($table, $value_array, $where);

                self::debugSql(__line__);

                return $data->rowCount();

            } catch (PDOException $exc) {
                if ($tries < $max_tries && $exc->errorInfo[0] == 40001  && $exc->errorInfo[1] == 1213) {
                    $retry = true;
                    sleep(1);
                } else {
                    throw $exc;
                }
            }
        } while ($retry);

    }

    /***************************************************
    * secure INSERT
    ***************************************************/

    public static function secureInsert($table, $insert_array)
    {
        $max_tries = 3;
        $tries = 0;
        do {
            $retry = false;
            try {
                MariaDB::$db_handle->insert($table, $insert_array);

                self::debugSql(__line__);
            } catch (PDOException $exc) {
                if ($tries < $max_tries && $exc->errorInfo[0] == 40001  && $exc->errorInfo[1] == 1213) {
                    $retry = true;
                    sleep(1);
                } else {
                    throw $exc;
                }
            }
        } while ($retry);

        return MariaDB::$db_handle->id();
    }

    /***************************************************
    * DELETE
    ***************************************************/

    public static function delete($table, $where)
    {
        $handle = MariaDB::$db_handle->delete($table, $where);

        self::debugSql(__line__);

        return $handle;
    }

    /***************************************************
    * SELECT data
    ***************************************************/

    public static function select($table, $fields, $where=[])
    {
        $tmp = MariaDB::$db_handle->select($table, $fields, $where);

        self::debugSql(__line__);

        return $tmp;
    }

    /***************************************************
    * SUM data
    ***************************************************/

    public static function sum($table, $fields, $where=[])
    {
        $tmp = MariaDB::$db_handle->sum($table, $fields, $where);

        self::debugSql(__line__);

        return $tmp;
    }

    /***************************************************
    * SELECT data
    ***************************************************/

    public static function selectJoin($table, $join, $fields, $where=[])
    {
        $tmp = MariaDB::$db_handle->select($table, $join, $fields, $where);

        self::debugSql(__line__);

        return $tmp;
    }

    /***************************************************
    * select SINGLE row
    ***************************************************/

    public static function get($table, $fields, $where)
    {
        $tmp =  MariaDB::$db_handle->get($table, $fields, $where);

        self::debugSql(__line__);

        return $tmp;
    }


    /***************************************************
    * select SINGLE row
    ***************************************************/

    public static function getJoin($table, $join, $fields, $where)
    {
        $tmp =  MariaDB::$db_handle->get($table, $join, $fields, $where);

        self::debugSql(__line__);

        return $tmp;
    }

    /***************************************************
    * sql query
    ***************************************************/

    public static function query($sql)
    {
        $arr = MariaDB::$db_handle->query($sql)->fetchAll(PDO::FETCH_ASSOC);

        self::debugSql(__line__);

        return $arr;
    }

    /***************************************************
    * SELECT COUNT
    ***************************************************/

    public static function count($table, $where=[])
    {
        $tmp = MariaDB::$db_handle->count($table, $where);

        self::debugSql(__line__);

        return $tmp;
    }

    /***************************************************
    * has
    ***************************************************/

    public static function has($table, $where)
    {
        $tmp =  MariaDB::$db_handle->has($table, $where);

        self::debugSql(__line__);

        return $tmp;
    }

    /***************************************************
    * toggle
    ***************************************************/

    public static function toggle($table, $field, $where)
    {
        self::query("UPDATE $table SET $field = 1 - $field WHERE $where");
    }

}