<?php

/**
 * This is the model class for table "block_subways".
 *
 * @property integer $id
 * @property integer $block_id
 * @property integer $subway_id
 * @property string $distance
 * @property string $created_at
 * @property string $updated_at
 * @property string $newRecord
 */
class BlockSubway implements ImportRecord
{
    public $id;
    public $block_id;
    public $subway_id;
    public $distance;
    public $created_at;
    public $updated_at;
    public $newRecord;

    /**
     * BlockSubway constructor.
     */
    public function __construct()
    {
        $this->newRecord = true;
    }


    public function save()
    {
        try {
            if ($this->newRecord) {
                if (!isset($this->id)) {
                    $sql = "INSERT INTO block_subways (distance, subway_id, block_id, created_at) VALUES ('" . $this->distance .
                        "', '" . $this->subway_id . "', '" . $this->block_id . "', NOW())";
                } else {
                    $sql = "INSERT INTO block_subways (id, distance, subway_id, block_id, created_at) VALUES ('" . $this->id .
                        "', '" . $this->distance . "', '" . $this->subway_id . "', '" . $this->block_id . "', NOW())";
                }
                mysql_query($sql);
                $err = mysql_errno();
                if ($err > 0) {
                    echo $err;
                    return false;
                }
                if (!isset($this->id)) {
                    $this->id = mysql_insert_id();
                }
            } else {
                $sql = "UPDATE block_subways SET distance = '" . $this->distance . "', subway_id = '" . $this->subway_id .
                    "', block_id = '" . $this->block_id . "', updated_at = NOW() WHERE id = '" . $this->id . "'";
                mysql_query($sql);
                $err = mysql_errno();
                if ($err > 0) {
                    echo $err;
                    return false;
                }
            }

            return true;
        } catch (Exception $e) {
            echo $e->getMessage();
            return false;
        }
    }

    public function getIsNewRecord()
    {
        return $this->newRecord;
    }

    public static function deleteAll($condition = '')
    {
        throw new Exception("deleteALL not implemented");
    }

    public static function className()
    {
        return get_called_class();
    }

    public static function findOne($id)
    {
        $sql = "SELECT * FROM block_subways WHERE id='$id'";
        $rez = mysql_query($sql);
        if (mysql_num_rows($rez)) {
            $blockSubway = new BlockSubway();
            $blockSubway->newRecord = false;
            $dbObject = mysql_fetch_array($rez);
            $blockSubway->id = $dbObject['id'];
            $blockSubway->distance = $dbObject['distance'];
            $blockSubway->block_id = $dbObject['block_id'];
            $blockSubway->subway_id = $dbObject['subway_id'];
            $blockSubway->created_at = $dbObject['created_at'];
            $blockSubway->updated_at = $dbObject['updated_at'];

            return $blockSubway;
        }

        return null;
    }

    public static function findByBlockAndSubway($blockId, $subwayId)
    {
        $sql = "SELECT * FROM block_subways WHERE block_id='$blockId' and subway_id = '$subwayId'";
        $rez = mysql_query($sql);
        if (mysql_num_rows($rez)) {
            $blockSubway = new BlockSubway();
            $blockSubway->newRecord = false;
            $dbObject = mysql_fetch_array($rez);
            $blockSubway->id = $dbObject['id'];
            $blockSubway->distance = $dbObject['distance'];
            $blockSubway->block_id = $dbObject['block_id'];
            $blockSubway->subway_id = $dbObject['subway_id'];
            $blockSubway->created_at = $dbObject['created_at'];
            $blockSubway->updated_at = $dbObject['updated_at'];

            return $blockSubway;
        }

        return null;
    }

    public static function createStringsForBlock($blockId)
    {
        $sql = "SELECT s.name, bs.distance FROM block_subways bs, subways s WHERE s.id = bs.subway_id AND bs.block_id='$blockId'";
        $rez = mysql_query($sql);

        $strings = array();

        if (mysql_num_rows($rez)) {
            while($dbObject = mysql_fetch_assoc($rez)) {
                $strings[] = $dbObject['name'] . '&nbsp;<span class="time">' . $dbObject['distance'] . '</span>';
            }
        }

        return $strings;
    }

}