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<?php if ( ! defined('BASEPATH')) exit('No direct script access allowed');

class FR extends CI_Controller
{
    function __construct()
    {
        parent::__construct();
        $this->load->model('User_Model', '', TRUE);
        $this->load->model('Session_Model', 'ses', TRUE);
        $this->load->driver('crs');
        // $this->output->enable_profiler(TRUE);
    }


/*    public function ui_question_u1() //pertanyaan umum awal
    {
        $data['view']   = 'crs/_menu';
        //$data['menu'] = false;
        $data['fr']     = $this->crs->usermodeling->GenerateGeneralQ();

        echo $this->load->view('home_page', $data, true);
    }*/

    public function ui_question_u4()
    {
        $usermodel  = $this->session->userdata('usermodel');
        $data['fr'] = $this->crs->usermodeling->GenerateSpecificQ($usermodel);
        $data['function'] = 'recommend';

        $this->session->set_userdata(array('uu' => 'u4'));

        echo $this->load->view('fr/_fr_no', $data, true);
    }

    public function ui_question_u2()
    {
        if(!$this->input->is_ajax_request()) return false;
        if(!$this->input->post('product')) return false;

        $product    = $this->input->post('product');
        $products   = explode('||', $product);
        $usermodel  = $this->session->userdata('usermodel');

        $result = $this->crs->pre->RecommendMultiple($products, $usermodel);


        $data['result'] = $this->crs->usermodeling->GenerateDistinguishQ($products);


        $test = $this->crs->usermodeling->GenerateDistinguishQ($products);



        $iduser     = $this->session->userdata('iduser');
        // var_dump($_SESSION);
        // echo $iduser;
        foreach($products as $pp)
        {
            //save to db
            $this->ses->adding($iduser, $pp, '', 'u2');
        }
        $result_data = $this->crs->pre->explain($result, $usermodel);
        $data['result'] = $result_data;

        $data_session  = array(
            'ipat' => $result_data

        );
        $this->session->set_userdata($data_session);
        // $this->session->set_userdata("dataDed".json_encode($data['result']));
        // $this->session->set_userdata("dataDed".json_encode($data['result']));
        // $this->session->set_userdata("dataDed","bacotafafafa");
        echo $this->load->view('fr/_u2', $data, true);
        // var_dump($_SESSION["data"]);
        // echo json_encode($data['result']);
    }

    public function ui_question_sortir()
    {
        if(!$this->input->is_ajax_request()) return false;
        if(!$this->input->post('product')) return false;

        $text   = $this->input->post('product');
        // $text = "saya mau parkir terluas"; //the text we want to send to the server
        $panjangdataset = 54;
        $usermodel  = array();
        // $pref        = array();
        $iduser     = $this->session->userdata('iduser');
        $dictionary = array_map('str_getcsv', file('word_semantics4.csv'));
        $PORT = 23456; //the port on which we are connecting to the "remote" machine
        $HOST = "localhost"; //the ip of the remote machine (in this case it's the same machine)

        $sock = socket_create(AF_INET, SOCK_STREAM, 0) //Creating a TCP socket
            or die("error: could not create socket\n");

        $succ = socket_connect($sock, $HOST, $PORT) //Connecting to to server using that socket
            or die("error: could not connect to host\n");

        socket_write($sock, $text . "\n", strlen($text) + 1) //Writing the text to the socket
            or die("error: failed to write to socket\n");

        $reply = socket_read($sock, 10000, PHP_NORMAL_READ) //Reading the reply from socket
            or die("error: failed to read from socket\n");
        $file = fopen("test.txt", "w");

        //calculate vactor from user input
        $inputVector = array_fill(0, $panjangdataset, 0);
        $relevantWords = explode(" ", $reply);
        foreach ($relevantWords as $rlvWord) {
            fwrite($file, $rlvWord. " ");
            for ($i=0; $i < $panjangdataset; $i++) {
                if(in_array($rlvWord, $dictionary[$i])) {
                    $inputVector[$i]++;
                    break;
                }
            }
        }
        fwrite($file, PHP_EOL.PHP_EOL);
        //calculate degree of relevance of each category according by words
        $relevanceArray = array_fill(0, $panjangdataset, 0);
        $nonzero = 0;
        $cosineTotal = 0;
        for ($i=0; $i < $panjangdataset; $i++) {
            $pembilang = $inputVector[$i]; //only category value are multiplied by 1 since all other values in input vector are multiplied by 0
            $penyebut = 0;
            for ($j=0; $j < $panjangdataset; $j++) {
                $penyebut += pow($inputVector[$j],2);
            }
            if ($penyebut !== 0) {
                $penyebutRt = sqrt($penyebut);
                $relevanceArray[$i] = $pembilang/$penyebutRt;

                $cosineTotal += $relevanceArray[$i];
                $nonzero++;
            } else {
                $relevanceArray[0] = 2;
                break;
            }
        }

        $testa = "";
        $testb = [];

        if ($relevanceArray[0] !== 2) {
            $threshold = $cosineTotal/$nonzero;
            fwrite($file, print_r($relevanceArray, true).PHP_EOL);
            $ctgs = fopen("categories.txt", "w");
            for ($i=0; $i < $panjangdataset; $i++) {
                if($relevanceArray[$i] > $threshold) {
                    fwrite($ctgs, $dictionary[$i][0].PHP_EOL);
                    $testb[] = $dictionary[$i][0];
                }
            }
            fclose($ctgs);
        }

        $data = $this->session->ipat;
        $item_tersortir = [];
        // $anu = $data[1];
        // var_dump($anu['luasparkir']);
        // var_dump($testb);
        if (count($testb) > 0){
            if ($testb[0] == "Murah"){
                //echo "data disortir dari termurah";
                // echo json_encode($this->session->ipat);
                $item_tersortir = $data;

            }
            else if ($testb[0] == "Mahal") {
                //echo "data disortir dari termahal";
                $item_tersortir = $data;
                //
            } else if ($testb[0] == "Luas"){
                //echo "data disortir hanya yang parkirannya luas";
                foreach ($data as $item){
                    if (count($item["luasparkir"]) && strpos($item["luasparkir"][0], 'Luas') !== false){
                        $item_tersortir[] = $item;
                    }
                }
            }else if ($testb[0] == "Sempit"){
                foreach ($data as $item){
                    if (count($item["luasparkir"]) && strpos($item["luasparkir"][0], 'Sempit') !== false){
                        $item_tersortir[] = $item;
                    }
                }
            }else if ($testb[0] == "24"){
                //echo "data disortir hanya yang bukanya 24 jam";
                foreach ($data as $item){
                    if (count($item["jambukaselasa"]) && strpos($item["jambukaselasa"][0], '24') !== false)
                    //or if (count($item["jambukaselasa"]) && strpos($item["jambukaselasa"][0], '24') !== false)
                    {
                        $item_tersortir[] = $item;
                    }
                }
            }
        }
        $data["result"] = $item_tersortir;
        // $data_session  = array(
        //  'ipat' => $item_tersortir

        // );
        // $this->session->set_userdata($data_session);
        // $this->session->set_userdata("dataDed".json_encode($data['result']));
        // $this->session->set_userdata("dataDed".json_encode($data['result']));
        // $this->session->set_userdata("dataDed","bacotafafafa");
        echo $this->load->view('fr/_u2', $data, true);
    }

    public function ui_question_u3()
    {
        $usermodel  = $this->session->userdata('usermodel');
        $data['fr'] = $this->crs->usermodeling->GenerateUnExploredQ($usermodel);
        $data['function'] = 'recommend';

        $this->session->set_userdata(array('uu' => 'u3'));

        echo $this->load->view('fr/_fr_no', $data, true);

    }
    public function ui_recommend_u1()
    {

        if(!$this->input->is_ajax_request()) return false;
        //if(!$this->input->post('inp')) return false;

        //$inp      = $this->input->post('inp');
        $usermodel  = array();
        // $pref        = array();
        $iduser     = $this->session->userdata('iduser');
        $dictionary = array_map('str_getcsv', file('word_semantics4.csv'));
        $PORT = 23456; //the port on which we are connecting to the "remote" machine
        $HOST = "localhost"; //the ip of the remote machine (in this case it's the same machine)

        $sock = socket_create(AF_INET, SOCK_STREAM, 0) //Creating a TCP socket
            or die("error: could not create socket\n");

        $succ = socket_connect($sock, $HOST, $PORT) //Connecting to to server using that socket
            or die("error: could not connect to host\n");

        $text = $_POST['dataString'];; //the text we want to send to the server
        //echo $text;
        //console.log($text);
        #$text = "Lorem ipsum dolor sit amet"; //the text we want to send to the server

        socket_write($sock, $text . "\n", strlen($text) + 1) //Writing the text to the socket
            or die("error: failed to write to socket\n");

        $reply = socket_read($sock, 10000, PHP_NORMAL_READ) //Reading the reply from socket
            or die("error: failed to read from socket\n");/*array(
            array("Cagar_Alam","hutan","suaka"), //0
            array("Camping_Ground","camping","kemah"),
            array("Danau","situ","rawa","telaga"),
            array("Museum_Alam","museum","geologi"),
            array("Museum_Sejarah","sejarah"),
            array("Pantai","pasir","laut","pesisir"),
            array("Hiking","trek","trekking"),
            array("Pemandangan_Alam","pemandangan","panorama","gunung"),
            array("Pemandangan_Kota","pemandangan","kota"),
            array("Pemandian_Air_Panas","spring","kolam", "air", "panas","mandi","pemandian"),
            array("Peternakan","ternak","sapi","susu"), //10
            array("Rekreasi_Kebun_Binatang","binatang",),
            array("Taman_Kota","taman","alun-alun"),
            array("Taman_Wisata","wisata"),
            array("Taman_Bermain","rekreasi","main"),
            array("Monumen","tugu","patung"),
            array("Museum_Budaya","museum","pancasila"),
            array("Wisata_Religi","masjid","spiritual","vihara"),
            array("Jajanan_Es_Krim","krim","es"),
            array("Jajanan_Oleh-oleh","oleh-oleh","suvenir","hadiah"),
            array("Kuliner_Jepang","sushi","jepang"),//20
            array("Kuliner_Korea","korea","bibimbap"),
            array("Kuliner_Eropa","steak","eropa","italia","pasta"),
            array("Kuliner_Timer_Tengah","mandhi","briyani","arab","timur"),
            array("Kuliner_Makassar","makassar","konro"),
            array("Kuliner_Padang","padang","sederhana"),
            array("Kuliner_Sunda","sunda"),
            array("Olah_Raga","olahraga","fitness","jogging","outbound"),
            array("Fashion","butik","outlet","pakaian", "baju"),
            array("Waterpark","kolam","renang"),
            array("Shopping_Mall","mall","mewah"),//30
            array("Berbelanja_Tradisional","pasar","terapung","tradisional"),
            array("Rekreasi_Hiburan_Malam","malam","dewasa","biliar"),
            array("Rekreasi_Keluarga","keluarga","anak","anak-anak"),
            array("Rekreasi_Edukasi","belajar","edukasi"),//34
        );*/

        #$inp = $_POST['dataString'];
        //console.log("asdf");
        $PORT = 23456; //the port on which we are connecting to the "remote" machine
        $HOST = "localhost"; //the ip of the remote machine (in this case it's the same machine)

        $sock = socket_create(AF_INET, SOCK_STREAM, 0) //Creating a TCP socket
            or die("error: could not create socket\n");

        $succ = socket_connect($sock, $HOST, $PORT) //Connecting to to server using that socket
            or die("error: could not connect to host\n");

        $text = $_POST['dataString'];; //the text we want to send to the server
        $panjangdataset = 54;
        //echo $text;
        //console.log($text);
        #$text = "Lorem ipsum dolor sit amet"; //the text we want to send to the server

        socket_write($sock, $text . "\n", strlen($text) + 1) //Writing the text to the socket
            or die("error: failed to write to socket\n");

        $reply = socket_read($sock, 10000, PHP_NORMAL_READ) //Reading the reply from socket
            or die("error: failed to read from socket\n");
        //console_log("hjk");
        #echo $reply;
        #$tmp = $reply;
        #$tagArray = explode(" ", $reply);
        $file = fopen("test.txt", "w");
        #foreach ($tagArray as $arrElm) {
        #   fwrite($file, $arrElm);
        #}
        #$words = explode("|", $reply);

        //calculate vactor from user input
        $inputVector = array_fill(0, $panjangdataset, 0);
        $relevantWords = explode(" ", $reply);
        foreach ($relevantWords as $rlvWord) {
            fwrite($file, $rlvWord. " ");
            for ($i=0; $i < $panjangdataset; $i++) {
                if(in_array($rlvWord, $dictionary[$i])) {
                    $inputVector[$i]++;
                    break;
                }
            }
        }
        fwrite($file, PHP_EOL.PHP_EOL);
        //calculate degree of relevance of each category according by words
        $relevanceArray = array_fill(0, $panjangdataset, 0);
        $nonzero = 0;
        $cosineTotal = 0;
        for ($i=0; $i < $panjangdataset; $i++) {
            $pembilang = $inputVector[$i]; //only category value are multiplied by 1 since all other values in input vector are multiplied by 0
            $penyebut = 0;
            for ($j=0; $j < $panjangdataset; $j++) {
                $penyebut += pow($inputVector[$j],2);
            }
            if ($penyebut !== 0) {
                $penyebutRt = sqrt($penyebut);
                $relevanceArray[$i] = $pembilang/$penyebutRt;

                $cosineTotal += $relevanceArray[$i];
                $nonzero++;
            } else {
                $relevanceArray[0] = 2;
                break;
            }
        }
        $testa = "";
        $testb = [];

        if ($relevanceArray[0] !== 2) {
            $threshold = $cosineTotal/$nonzero;
            fwrite($file, print_r($relevanceArray, true).PHP_EOL);
            $ctgs = fopen("categories.txt", "w");
            for ($i=0; $i < $panjangdataset; $i++) {
                if($relevanceArray[$i] > $threshold) {
                    fwrite($ctgs, $dictionary[$i][0].PHP_EOL);
                    $testb[] = $dictionary[$i][0];
                }
            }
            fclose($ctgs);
        }

        $inp = array();
        if(!empty($testb)) {
            foreach ($testb as $category) {
                $inp[$category] = 'fh';
            }
            //print($testb[0]);
            //fwrite($file, $testa);


            foreach($inp as $name => $value)
            {
                $usermodel[] = array('name' => $name, 'level' => 1, 'status' => $value, 'leaf' => true);

                //save to db
                //$this->ses->adding($iduser, $name, $value, 'u1');
            }


            //$this->session->set_userdata(array('usermodel' => $usermodel, 'level' => 1, 'pref' => ''));

            /*echo 'recommend 1<pre>';
            echo 'usermodel :';
            var_dump($usermodel);
            //echo 'preferensi :';
            //var_dump($pref);
            //var_dump($level);
            echo '</pre>';*/
            // echo '<pre>'.print_r($usermodel, true).'</pre>';
            // echo "=========================================";
            $result = $this->crs->pre->Recommend($usermodel);
            // echo '<pre>'.print_r($result, true).'</pre>';

            //$this->ses->adding($iduser, 'jumlah', '', 'u1', count($result));
        } else {
            $result = array();
        }
        if(empty($result))
        {
            $cats = "";
            foreach ($testb as $category) {
                $cats = $cats.$category."\n";
            }
            $saveprevinput = fopen("previousinput.txt", "w");
            fwrite($saveprevinput, $text);
            fclose($saveprevinput);
            echo "error;;Kategori yang sesuai = \n".$cats."\nTidak ditemukan lokasi wisata berdasarkan kebutuhan anda";

        }
        else if(!empty($result) && count($result) <= $this->config->item('limit_recommend') && count($testb) <= $this->config->item('limit_category'))
        {
            $data['result'] = $this->crs->pre->explain($result, $usermodel);
            echo $this->load->view('fr/_recommend', $data, true);
            // echo '<pre>'.print_r($data['result'], true).'</pre>';
        }
        else if(!empty($result) && count($testb) > $this->config->item('limit_category'))
        {
            $cats = "";
            foreach ($testb as $category) {
                $cats = $cats.$category."\n";
            }
            echo "error;;Kategori yang sesuai = \n".$cats."\nKebutuhan anda masih terlalu umum\nMohon masukkan kembali kebutuhan anda dengan lebih spesifik";
            $saveprevinput = fopen("previousinput.txt", "w");
            fwrite($saveprevinput, $text);
            fclose($saveprevinput);
        }
        else if(!empty($result) && count($result) > $this->config->item('limit_recommend'))
        {
            $cats = "";
            foreach ($testb as $category) {
                $cats = $cats.$category."\n";
            }
            echo "error;;Kategori yang sesuaai = \n".$cats."\nJumlah lokasi destinasi yang sesuai masih terlalu banyak\nMohon masukkan kembali kebutuhan anda dengan lebih spesifik";
            $saveprevinput = fopen("previousinput.txt", "w");
            fwrite($saveprevinput, $text);
            fclose($saveprevinput);
        }

        fwrite($file, count($testb));
        fwrite($file, "pass");
        fclose($file);
    }

    public function ui_recommend()
    {
        if(!$this->input->is_ajax_request()) return false;
        if(!$this->input->post('inp')) return false;

        $inp        = $this->input->post('inp');
        $usermodel  = $this->session->userdata('usermodel');
        $level      = $this->session->userdata('level');
        //$pref     = $this->session->userdata('pref');
        $iduser     = $this->session->userdata('iduser');
        $uu         = $this->session->userdata('uu');

        //var_dump($usermodel);
        foreach($inp['usermodel'] as $name => $value)
        {
            $usermodel[] = array('name' => $name, 'level' => $level, 'status' => $value, 'leaf' => true);

            //save to db
            $this->ses->adding($iduser, $name, $value, $uu);
        }

        //var_dump($usermodel);
        $this->session->set_userdata(array('usermodel' => $usermodel));
        /*echo 'recommend<pre>';
        echo 'usermodel :';
        var_dump($usermodel);
        //echo 'preferensi :';
        //var_dump($pref);
        var_dump($level);
        echo '</pre>';*/


        $result = $this->crs->pre->Recommend($usermodel);
        $this->ses->adding($iduser, 'jumlah', '', $uu, count($result));

        // echo "====== result ======";
        // var_dump($result);

        if(empty($result))
        {
            echo "error;;u5";

        }
        else if(!empty($result) && count($result) <= $this->config->item('limit_recommend'))
        {
            $data['result'] = $this->crs->pre->explain($result, $usermodel);
            echo $this->load->view('fr/_recommend', $data, true);
        }
        else if(!empty($result) && count($result) > $this->config->item('limit_recommend'))
        {
            echo "error;;Destinasi yang sesuai = ".count($result)." Destinasi\nJumlah Destinasi yang sesuai masih terlalu banyak\nTekan ok untuk pertanyaan berikutnya yang lebih spesifik atau cancel untuk berhenti";
        }
    }







}
?>