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

use app\core\utils\Response;
use app\core\auth\Page;

//require phpoffice library(Spreadsheet and Writer)
use PhpOffice\PhpSpreadsheet\Spreadsheet;
use PhpOffice\PhpSpreadsheet\Writer\Xlsx;

//require excel styles
use PhpOffice\PhpSpreadsheet\Style\Fill;
use PhpOffice\PhpSpreadsheet\Style\Border;
use PhpOffice\PhpSpreadsheet\Style\Color;
use PhpOffice\PhpSpreadsheet\Style\Alignment;

//require excel protection for lock/unlock
use PhpOffice\PhpSpreadsheet\Style\Protection;

//require excel contitions
use PhpOffice\PhpSpreadsheet\Style\Conditional;

//require excel datavalidations
use PhpOffice\PhpSpreadsheet\Cell\DataValidation;

class Subscribers extends MY_Controller {
    /**
     * php excel object instance variables
     *
     * @var string
     */
    private $spreadsheet;

    /**
     * no show excel file tabs
     *
     * @var string
     */
    private $reports;

    /**
     * instance variable for PhpOffice writer class
     *
     * @var string
     */
    private $writer;

    /**
     * instance variable for activesheet
     *
     * @var string
     */
    private $sheets;

    /**
     * variable for default background color
     *
     * @var string
     */
    private $default_background_color;

    /**
     * Tab title
     *
     * @var string
     */
    private $sheetTitle;

    /**
     * Holds default maximum row
     *
     * @var int
     */
    private $defaultMaximumRow;

    /**
     * Holds default column headers
     *
     * @var array
     */
    private $columnHeaders;

    /**
     * Cells Index Name
     *
     * @var array
     */
    private $basicCells;

    /**
     * EXCEL PASSWORD PROTECTION THIS IS CONFIDENTIAL
     */
    private const PASSWORD = '1@#]00YHkBlackHatzZ';

    public function __construct() {
        //parent::__construct();
        $this->my_parent_controller();
        $this->load->model("user_model");
        $this->clear_cache();

        $this->lang->load('backoffice/reports', 'fr');

        // Create new PHPExcel object
        $this->spreadsheet = new Spreadsheet();

        //get active sheet
        $this->sheets = $this->spreadsheet->getActiveSheet();

        //create writer object
        $this->writer = new Xlsx($this->spreadsheet);

        // Set sheet name
        $this->sheetTitle = $this->lang->line("reports")["client"]["client_file_name"];

        //set default background color
        $this->default_background_color = '428bcb';

        $this->columnHeaders = array(
            "civility",
            "last_name",
            "first_name",
            "address",
            "code_postal",
            "city",
            "telephone_number",
            "email_address"
        );

        $this->basicCells = 'ABCDEFGH';
    }

    /**
     * Set execution and memory limit
     *
     * @return void
     * access public
     */
    public function setMemoryLimit()
    {
        ini_set('memory_limit', '1024M');
        ini_set('max_execution_time', (60*3));
    }

    /**
     * Set document properties
     *
     * @return void
     * access public
     */
    public function setDocumentProperties()
    {
        return $this->spreadsheet->getProperties()->setCreator("Company For Madagascar Event Management System")
         ->setLastModifiedBy("Company For Madagascar Event Management System")
         ->setTitle("Office 2007 XLSX Document")
         ->setSubject("Office 2007 XLSX  Document")
         ->setDescription("No show export import file")
         ->setKeywords("office 2007 openxml php")
         ->setCategory("Export file");
    }

    /**
     * Set headers(pragma, cache control , cookies etc..)
     *
     * @param string $filename
     * @return void
     */
    public function setHeaders($filename)
    {
        // Redirect output to a client’s web browser (Excel2007)
        header('Content-Type: application/vnd.ms-excel; charset=utf-8');
        header('Content-Type: application/vnd.openxmlformats-officedocument.spreadsheetml.sheet');
        header('Content-Disposition: attachment;filename="'.$filename.'.xlsx"');
        header('Cache-Control: max-age=0');
        // header('Content-Encoding: deflate, gzip');
        header('Cache-Control: private');

        // If you're serving to IE 9, then the following may be needed
        header('Cache-Control: max-age=1');

        // If you're serving to IE over SSL, then the following may be needed
        header('Expires: Mon, 26 Jul 1997 05:00:00 GMT'); // Date in the past
        header('Last-Modified: '.gmdate('D, d M Y H:i:s').' GMT'); // always modified
        header('Cache-Control: cache, must-revalidate'); // HTTP/1.1
        header('Pragma: public'); // HTTP/1.0

        $this->writer->save('php://output');
        exit();
    }

    /**
     * Auto size columns for each worksheet
     *
     * @return void
     * access public
     */
    public function setExcelAutoSize()
    {
        foreach ($this->spreadsheet->getWorksheetIterator() as $worksheet) {
            $this->spreadsheet->setActiveSheetIndex($this->spreadsheet->getIndex($worksheet));

            $sheet = $this->sheets;
            $cellIterator = $sheet->getRowIterator()->current()->getCellIterator();
            $cellIterator->setIterateOnlyExistingCells(true);
            foreach ($cellIterator as $cell) {
                $sheet->getColumnDimension($cell->getColumn())->setAutoSize(true);
            }
        }
    }

    /**
     * Set excel main headers (first rows 1 - 2 with freeze pane)
     *
     * @param integer $eventID
     * @param integer $eventScheduleID
     * @param string $event_title
     * @return void
     * access private member
     */
    private function setExcelHeaders()
    {
        $this->sheets->getRowDimension(1)->setRowHeight(-1);

        foreach(range('A','H') as $columnID) {
            $this->sheets->getColumnDimension($columnID)->setAutoSize(true);
        }
        // Merge and Set Header Cell values
        $this->sheets->freezePane('D3')->setTitle($this->sheetTitle);

       if(count($this->columnHeaders) > 0) {
           $colCount = 0;
           foreach($this->columnHeaders as $fcol => $name) {
                $columnName = $this->basicCells{$colCount};
                $this->sheets->setCellValue("{$columnName}1",  mb_strtoupper($this->lang->line($name)));
                $colCount++;   
                // if($name == "subscription_date_op" ) {
                //  $this->sheets->setCellValue('L2', mb_strtoupper('Date').' d\'inscription'); // L2
                //  $this->sheets->setCellValue('M2', mb_strtoupper('Heure').' d\'inscription'); // M2
                //  $colCount = 13;
                // } else {
                //  if($colCount < 26) { // A1:A2 - Z1:Z2
                //    $columnName = $this->basicCells{$colCount};
                //    $this->sheets->setCellValue("{$columnName}1",  mb_strtoupper($this->lang->line($name)))->mergeCells("{$columnName}1:{$columnName}2");
                //     $colCount++;
                //  }else { // AA1 AB1 AC1
                //     $columnName = substr($this->basicCells, $colCount, 2);
                //     $this->sheets->setCellValue("{$columnName}1",  mb_strtoupper($this->lang->line($name)))->mergeCells("{$columnName}1:{$columnName}2");
                //     $colCount = $colCount + 2;
                //  }
               // }
           }
        }

        $generalStyleArray = [
            'font' => [
                'bold' => false,
            ],
            'alignment' => [
                'horizontal' => Alignment::HORIZONTAL_CENTER,
            ],
            'fill' => [
                'fillType' => Fill::FILL_SOLID,
                'rotation' => 90,
                'startColor' => [
                    'argb' => '428bca',
                ],
                'endColor' => [
                    'argb' => '428bca',
                ],
            ],
        ];

        $boderStyle = ['borderStyle' => Border::BORDER_THIN];
        $boderStyleArray = [
            'borders' => [
                'top' => $boderStyle,
                'right' => $boderStyle,
                'left' => $boderStyle,
                'bottom' => $boderStyle
            ]
        ];
         // set style
         $this->sheets->getStyle('A2:H2')->applyFromArray($generalStyleArray);
         $this->sheets->getStyle('A1:H1')->applyFromArray($generalStyleArray);
        // $this->sheets->getStyle('L2:M2')->applyFromArray($boderStyleArray);
    }

    public function reportData($queryData) {

        $subscribers = $this->user_model->get_subscriber_information_list_export($this->data["logged_in"]["user_id"], $queryData, 4);
        $intValueColumns = ['number_of_user_and_guest', 'avg_number_of_registration', 'number_of_registration', 'total_number_of_reservations_places_cancelled', 'number_of_places_reserved_on_wl'];
        $active_sheet = $this->spreadsheet->setActiveSheetIndex(0);

        // print_r($subscribers); 
        // exit;

        if(count($subscribers) > 0)
        {
            // Row starts at 3
            $cell_row_index = 3;

            foreach($subscribers as $epd) {

              $colCount = 0;

              foreach($this->columnHeaders as $fcol => $name) {

                //   if ($name === "subscription_date_op") {

                //       $val = ($epd->{$name} != "") ? explode(" ", $epd->{$name}) : array();
                //       $date = (isset($val[0]))?$val[0]:"";
                //       $hour = (isset($val[1]))?$val[1]:"";
                //       $active_sheet->setCellValue("L{$cell_row_index}", $date); // L{$cell_row_index}
                //       $active_sheet->setCellValue("M{$cell_row_index}", $hour); // M{$cell_row_index}
                //       $colCount = 13;

                //   } else {
                      $value = "";
                      if (trim($name) != "" && isset($epd->{$name}) && !empty($epd->{$name})) {
                          $value = $epd->{$name};
                      }

                    //   if($colCount < 26) { // A1:A2 - Z1:Z2
                        $columnName = $this->basicCells{$colCount};
                        $active_sheet->setCellValue("{$columnName}{$cell_row_index}",  $value);
                         $colCount++;
                    //   } else { // AA1 AB1 AC1
                    //      $columnName = substr($this->basicCells, $colCount, 2);
                    //      $active_sheet->setCellValue("{$columnName}{$cell_row_index}",  $value);
                    //      $colCount = $colCount + 2;
                    //   }
                 // }
              } // Enf of inner loop

              $cell_row_index++;
            } // End of outer loop
        }
    }

    /**
     * Export no show file with title+date
     *
     * @param integer $eventID
     * @param integer $eventScheduleID
     * @return void
     * access private member
     */
    public function export_subscribers_list($queryString)
    {
        // Parse URL data
        parse_str($queryString, $queryData);

        //call memory limit
        $this->setMemoryLimit();

        //call document properties
        $this->setDocumentProperties();

        //set php excel first 5 row(s) with freeze header
        $this->setExcelHeaders();

        //get data for populate
        $this->reportData($queryData);

        //Call auto size function columns for active worksheet
        $this->setExcelAutoSize();

        // Set active sheet index to the first sheet, so Excel opens this as the first sheet
        $this->spreadsheet->setActiveSheetIndex(0);

        // protect the workbok
        $this->spreadsheet->getSecurity()->setLockWindows(true);
        $this->spreadsheet->getSecurity()->setLockStructure(true);

        $this->spreadsheet->getSecurity()->setWorkbookPassword('secret');

        $this->setHeaders("La liste client (".date('d-m-Y H\hi').")");
    }

    public function get_subscribers_list()
    {
        Response::handleSessionTimeout("bo");

        $this->load->model('event_registration_limit_model');
        $this->load->model('user_registration_model');
        $this->load->model('user_subscriber_model');
        //$list = $this->user_subscriber_model->getSubscribers();
        $list = $this->user_model->get_datatables($this->data["logged_in"]["user_id"], $this->input->post(), 3);
        $login_by = $this->data["logged_in"]["user_id"];
        $user_role = $this->data["logged_in"]["role_id"];
        $style = ($user_role == '2') ? 'display:none;': '';
        $roles = $this->user_registration_model->get_subscriber_roles();
        $data = $row = array();
        foreach ($list as $subscribers) {
            $row["subscriber"] = "{$subscribers->first_name} {$subscribers->last_name}";
            $row["email_address"] = $subscribers->email_address;
            // $row["membership"] = $this->user_registration_model->get_membership_name($subscribers->subscription_id, $roles);
            // $row["expiration_date"] = $subscribers->expiration_date;
            // $row["birth_date"] = $subscribers->birth_date;
            $row["telephone_number"] = (trim($subscribers->telephone_number) != "+[33] X XX XX XX XX" ? trim(remove_brackets(array( '[', ']' ), (strpos($subscribers->telephone_number, '+') !== false ? $subscribers->telephone_number : ( trim($subscribers->telephone_number) !="" ? "+".$subscribers->telephone_number : "" ) ) )) : "");
            // $row["mobile_number"] =(trim($subscribers->mobile_number) != "+[33] X XX XX XX XX" ? trim(remove_brackets(array( '[', ']' ),(strpos($subscribers->mobile_number, '+') !== false ? $subscribers->mobile_number : ( trim($subscribers->mobile_number) !="" ? "+".$subscribers->mobile_number : "") ))) : "");
            $row["address"] = $subscribers->address;
            // $row["noshow_complete"] = $subscribers->noshow_complete;
            // $row["noshow_partial"] = $subscribers->noshow_partial;
            // $row["noshow_moderation"] = $subscribers->noshow_moderation;
            // $row["status"] = $subscribers->status;
            $row["actions"] = '';

            // if (Page::authorize(PAGE_CODE['subscribers'], PRIVS[PAGE_CODE['subscribers']]['edit'], false)) {
            //     $row["actions"] .= "<button href='#' onclick='subscribers_list.edit_subscription_modal({$subscribers->sub_id})' class='action-btn' name='membership-{$subscribers->subscriber_id}' data-id='{$subscribers->sub_id}' ><i class='fa fa-euro' aria-hidden='true'></i></button>";
            // }

            if (Page::authorize(PAGE_CODE['subscribers'], PRIVS[PAGE_CODE['subscribers']]['edit'], false)) {
                $row["actions"] .= "<button href='#' onclick='subscribers_list.edit_info_modal(this)' class='action-btn' name='{$subscribers->subscriber_id}' data-id='{$subscribers->sub_id}' ><i class='fa fa-pencil' aria-hidden='true'></i></button>";
            }

            if (Page::authorize(PAGE_CODE['subscribers'], PRIVS[PAGE_CODE['subscribers']]['delete'], false)) {
                $row["actions"] .= "<button style='{$style}' href = '#' onclick = 'subscribers_list.delete(this)' class='action-btn' name = '{$row["subscriber"]}' data-id = '{$subscribers->sub_id}' ><i class='fa fa-trash' aria-hidden = 'true' ></i ></button>";
            }

            // if (Page::authorize(PAGE_CODE['subscribers'], PRIVS[PAGE_CODE['subscribers']]['login_as'], false)) {
            //     $row["actions"] .= "<button href='#' onclick='subscribers_list.token_modal(this)' id='$subscribers->sub_id' class='action-btn' name='{$row["subscriber"]}' data-id='auth_token/{$subscribers->sub_id}/{$login_by}'><i class='fa fa-sign-in' aria-hidden='true'></i></button>";
            // }
            // if (Page::authorize(PAGE_CODE['subscribers'], PRIVS[PAGE_CODE['subscribers']]['mod_toggle'], false)) {
            //     $row["actions"] .= "<button href='#' onclick='subscribers_list.disableEnableModeration(this)' data-name='{$row["subscriber"]}' class='action-btn disableEnableModeration' name='{$subscribers->subscriber_id}' data-id='{$subscribers->sub_id}' ><i class='fa fa-unlock-alt' aria-hidden='true'></i></button>";
            // }

            array_push($data, $row);

        }

        $output = array(
            "draw" => $this->input->post('draw'),
            "recordsTotal" => $this->user_model->count_all($this->data["logged_in"]["user_id"], $this->input->post(), 3),
            "recordsFiltered" => $this->user_model->count_filtered($this->data["logged_in"]["user_id"], $this->input->post(), 3),
            "data" => $data,
        );

        //output to json format
        output_to_json($this, $output);
    }

    public function delete_subscriber()
    {
        Response::handleSessionTimeout("bo");
        
        $deleted =  $this->user_model->delete_subscribers( $this->input->post('user_id') , ["status" => 0]);

        output_to_json($this,
            array(
                'is_success' => $deleted
            )
        );
    }

    public function get_subscriber()
    {
        Response::handleSessionTimeout("bo");
        
        output_to_json($this, $this->user_model->get_subscribers( $this->input->post('s_id') ));
    }
    
    public function put_subscriber()
    {
        Response::handleSessionTimeout("bo");
        
        // if(_empty_prefix($this->input->post("phone"))){
        //     output_to_json($this, array(
        //         "error" => true,
        //         "field" => "phone",
        //         "message" => "Entrez au moins 9 chiffres."
        //     ));
        // }else if(_empty_prefix($this->input->post("mobile"))){
        //     output_to_json($this, array(
        //         "error" => true,
        //         "field" => "mobile",
        //         "message" => "Entrez au moins 9 chiffres."
        //     ));
        //}else{
            $this->user_model->put_subscribers($this->input->post('user_id'), $this->input->post());
            output_to_json($this, array(
                "success" => true
            ));
        //}
    }

    public function enable_disable_user_moderation() {
        Response::handleSessionTimeout("bo");
        

        $this->load->model('user_subscriber_model');
        output_to_json($this, array(
            "success" => $this->user_subscriber_model->enable_disable_user_moderation( $this->input->post() )
        ));
    }

    public function get_user_moderation($subscriber_id) {
        Response::handleSessionTimeout("bo");
        

        $this->load->model('user_subscriber_model');
        output_to_json($this, $this->user_subscriber_model->get_user_moderation( $subscriber_id ));
    }

    private function setSubscriberExcelHeaders()
    {
        $this->sheets->getRowDimension(1)->setRowHeight(-1);

        foreach(range('A','B') as $columnID) {
            $this->sheets->getColumnDimension($columnID)->setAutoSize(true);
        }
        // Merge and Set Header Cell values
           $requiredCells = 'ABC';
           $colCount = 0;
           $columns =['#', 'EMAIL', 'DATE'];
           foreach($columns as $fcol => $name) {
                    $columnName = substr($requiredCells, $colCount, 1);
                    $this->sheets->setCellValue("{$columnName}1",  $name);
                    $colCount++;
        
           }

        $generalStyleArray = [
            'font' => [
                'bold' => false,
            ],
            'alignment' => [
                'horizontal' => Alignment::HORIZONTAL_CENTER,
            ],
            'fill' => [
                'fillType' => Fill::FILL_SOLID,
                'rotation' => 90,
                'startColor' => [
                    'argb' => '428bca',
                ],
                'endColor' => [
                    'argb' => '428bca',
                ],
            ],
        ];

        $boderStyle = ['borderStyle' => Border::BORDER_THIN];
        $boderStyleArray = [
            'borders' => [
                'top' => $boderStyle,
                'right' => $boderStyle,
                'left' => $boderStyle,
                'bottom' => $boderStyle
            ]
        ];
         // set style
        $this->sheets->getStyle('A2:C2')->applyFromArray($generalStyleArray);
        $this->sheets->getStyle('A1:C1')->applyFromArray($generalStyleArray);
        //  $this->sheets->getStyle('L2:M2')->applyFromArray($boderStyleArray);
    }
    public function export_subscribers_info() {
        Response::handleSessionTimeout("bo");

        $event_id = $this->input->get('event_id');
        if(!isset($event_id)) {
            //
        }

        //call memory limit
        $this->setMemoryLimit();

        //call document properties
        $this->setDocumentProperties();

        //set php excel first 5 row(s) with freeze header
        $this->setSubscriberExcelHeaders();

        //get data for populate
        $this->get_event_subscribers($event_id);

        //Call auto size function columns for active worksheet
        $this->setExcelAutoSize();

        // Set active sheet index to the first sheet, so Excel opens this as the first sheet
        $this->spreadsheet->setActiveSheetIndex(0);

        // protect the workbok
        $this->spreadsheet->getSecurity()->setLockWindows(true);
        $this->spreadsheet->getSecurity()->setLockStructure(true);

        $this->spreadsheet->getSecurity()->setWorkbookPassword('secret');

        $this->setHeaders("La liste client (".date('d-m-Y H\hi').")");
    }

    private function get_event_subscribers($event_id) {
        $this->load->model('event_workshop_informer_model');
        $subscribers = $this->event_workshop_informer_model->get_subscribers_by_event($event_id);
        $active_sheet = $this->spreadsheet->setActiveSheetIndex(0);
        $requiredCells = 'ABC';
        if(count($subscribers) > 0)
        {
            // Row starts at 3
            $cell_row_index = 3;
            $columns = ['#', 'EMAIL', 'DATE'];
            foreach($subscribers as $epd) {

              $colCount = 0;

              foreach($columns as $fcol => $name) {
                $active_sheet->setCellValue("A{$cell_row_index}", $cell_row_index-2);
                $active_sheet->setCellValue("B{$cell_row_index}", $epd->email_address); // L{$cell_row_index}
                $active_sheet->setCellValue("C{$cell_row_index}", $epd->date_created);
                  
              } // Enf of inner loop

              $cell_row_index++;
            } // End of outer loop
        }
    }
}