<?php

namespace modules\extendedDatatable\code;

/**
 * Description of SetColumnController
 *
 * @author maros
 */
class SetColumnController extends TextColumnController {

    public function getDatatableSqlConditionValue($value) {
        if ($value === false) {
            return false;
        }

        $value = parent::getDatatableSqlConditionValue($value);
        if (is_array($value)) {
            foreach ($value as $key => $val) {
                $value[$key] = '%' . \app\constants\Config::DB_ITEMS_SEPARATOR . $val . \app\constants\Config::DB_ITEMS_SEPARATOR . '%';
            }
        } else {
            $value = substr($value, 1, -1);
            $value = '%' . \app\constants\Config::DB_ITEMS_SEPARATOR . $value . \app\constants\Config::DB_ITEMS_SEPARATOR . '%';
        }

        return $value;
    }

    public function getDatatableSqlCondition($sqlVarName, $bindArrayVarName, $value) {
        if ($value === '%' . \app\constants\Config::DB_ITEMS_SEPARATOR . \app\constants\Config::DB_ITEMS_SEPARATOR . '%') {
            return '';
        }
        $orNull = false;
        if (is_array($value) && count($value) === 1 && strlen(trim($value[0])) === 0) {
            return false;
        }
        if (is_array($value)) {
            $vars = range(0, count($value) - 1);
            foreach ($vars as $key => $val) {
                if ($value[$val] === 'null') {
                    $orNull = true;
                    unset($vars[$key]);
                    continue;
                }
                $vars[$key] = $bindArrayVarName . $val;
            }

            $conditions = [];
            foreach ($vars as $var) {
                $conditions[] = "CONCAT('" . \app\constants\Config::DB_ITEMS_SEPARATOR . "', " . $sqlVarName . ", '" . \app\constants\Config::DB_ITEMS_SEPARATOR . "') LIKE :" . $var;
            }

            $conditions = '(' . implode(' OR ', $conditions) . ')';

            if ($orNull === false) {
                return $conditions;
            } else if (count($vars) > 0) {
                return "(" . $conditions . " OR " . $sqlVarName . " IS NULL)";
            } else {
                return $sqlVarName . " IS NULL";
            }
        }

        return "CONCAT('" . \app\constants\Config::DB_ITEMS_SEPARATOR . "', " . $sqlVarName . ", '" . \app\constants\Config::DB_ITEMS_SEPARATOR . "') LIKE :" . $bindArrayVarName;
    }

    public function getTableValue($val) {
        return str_replace(\app\constants\Config::DB_ITEMS_SEPARATOR, ', ', $val);
    }
}