<?php

namespace App\Controllers;

use App\Controllers\BaseController;

use CodeIgniter\Validation\Exceptions\ValidationException;

use App\Models\Supplier_model;

use PhpOffice\PhpSpreadsheet\Spreadsheet;

use PhpOffice\PhpSpreadsheet\Writer\Xlsx;

use PhpOffice\PhpSpreadsheet\Style\Alignment;


/**
 * Module : Supplier
 * Supplier Class to control all supplier related operations.
 * @author : Gandhimathi
 * @version : 1.1
 * @since : 12 Apr 2017
 * @example : Revised  at 15th april 2024
 */
class Supplier extends BaseController
{
    protected  $supplier_model;
    protected $session;
    /**
     * This is default constructor of the class
     */
    public function __construct()
    {
        parent::__construct();
        $this->supplier_model = new Supplier_model();
        $this->session = session();
        helper('form'); //$this->load->library('form_validation');
        // $this->load->library('pagination');                 
        $this->isLoggedIn();
        
    }

    /**
     * This function is used to load the Supplier list
     */
    public function index()
    {

        $isActiveFilter = 1 ;  // default showing active transporters data
        $showArchive    = 0 ; //

        if ($this->request->getMethod() === 'POST') {

            $showArchive = $this->request->getPost('showArchive');
            //reversing condition that when user wants deleted data to be shown we are making active filter
                if($showArchive){
                    $isActiveFilter = 0;
                }
        } 


        $data['userRecords'] = $this->supplier_model->supplierlisting($isActiveFilter);
        $data['showArchive'] = $showArchive ;
        $this->global['pageTitle'] = 'Supplier  Listing';
        $this->loadViews("supplierListing", $this->global, $data, NULL);
    }

    /**
     * This function is used to load the add new supplier    */
    function addsupplier()
    {

        $data['validation'] = session()->getFlashdata('validation_errors');

        //$data['payment'] = $this->supplier_model->getpayment();
        $data['payment'] = $this->supplier_model->getPaymentTerms();
        //$data['users'] = $this->purchaseorder_model->getusers();

        $this->global['pageTitle'] = 'Add New Supplier';

        $this->loadViews("addSupplier", $this->global, $data,  NULL);
    }

    /**
     * This function is used to add new Supplier to the system
     */
    function savesupplierdetails()
    {
        
        $PAN = $this->request->getPost('panno');
        $GSTNo = $this->request->getPost('GSTNo');
        
        $validation = \Config\Services::validation();

        $rules = [
            'SupplierName' => [
                'label' => 'Supplier Name',
                'rules' => 'trim|required'
            ],
            'Address' => [
                'label' => 'Address',
                'rules' => 'trim|required'
            ],'accno' => [
                'label' => 'accno',
                'rules' => 'trim|required'
            ],'ifsc' => [
                'label' => 'ifsc',
                'rules' => 'trim|required'
            ],'Payment' => [
                'label' => 'Payment',
                'rules' => 'trim|required'
            ]
            // 'ContactNumber' => [
            //     'label' => 'Contact Number',
            //     'rules' => 'trim|required|max_length[13]'
            // ],
            // 'AlternateContactNumber' => [
            //     'label' => 'Alternate Contact Number',
            //     'rules' => 'trim|max_length[13]'
            // ],
            // 'emailid' => [
            //     'label' => 'Email',
            //     'rules' => 'valid_email|max_length[128]|required'
            // ]
        ];
            
                                       $messages = [
                                        'SupplierName' => [
                                            'required' => 'Please enter a supplier name.'
                                        ],
                                        'Address' => [
                                            'required' => 'Please enter an address.'
                                        ],
                                        'accno' => [
                                            'required' => 'Please enter an Account Number.'
                                        ],
                                        'ifsc' => [
                                            'required' => 'Please enter a Bank IFSC Code.'
                                        ],
                                        'Payment' => [
                                            'required' => 'Please Select the Payment option.'
                                        ],
                                        // 'ContactNumber' => [
                                        //     'required' => 'Please enter a contact number.',
                                        //     'max_length' => 'The contact number cannot exceed {param} characters.'
                                        // ],
                                        // 'AlternateContactNumber' => [
                                        //     'max_length' => 'The alternate contact number cannot exceed {param} characters.'
                                        // ],
                                        // 'emailid' => [
                                        //     'required' => 'Please enter an email address.',
                                        //     'valid_email' => 'Please enter a valid email address.',
                                        //     'max_length' => 'The email address cannot exceed {param} characters.'
                                        // ]
                                        // 'panno' => [
                                        //     'required' => 'Please enter an panno address.',
                                        //     'max_length' => 'The panno cannot exceed {param} characters.'
                                        // ]
                                    ];

        $validation->setRules($rules, $messages);


        if (!$validation->withRequest($this->request)->run()) {
            // $data['validation'] = $validation->getErrors();                
            session()->setFlashdata('validation_errors', $validation->getErrors());
            return redirect()->route('addsupplier');
        } else {
            $SupplierName = $this->request->getPost('SupplierName');
            $Address = $this->request->getPost('Address');
            $ContactNumber = $this->request->getPost('ContactNumber');
            $AlternateContactNumber = $this->request->getPost('AlternateContactNumber');
            $EmailAddress = $this->request->getPost('emailid');
            $PAN = (is_string($PAN)) ? strtoupper($PAN) : null ;
            $GSTNo = (is_string($GSTNo)) ? strtoupper($GSTNo) : null ;
            $MSME = $this->request->getPost('MSME');
            $accno = $this->request->getPost('accno');
            $ifsc = $this->request->getPost('ifsc');
            $branchname = $this->request->getPost('branchname');
            $bankaddress = $this->request->getPost('bankaddress');
            $Createdby = $this->session->get('userId');
            
            $service = $this->request->getPost('service');
            $rawmaterial = $this->request->getPost('rawmaterial');
            $maintenance = $this->request->getPost('maintanance');
            $PaymentId = $this->request->getPost('paymentid');

            $supplier = array('SupplierName' => $SupplierName, 'Address' => $Address, 'ContactNumber' => $ContactNumber, 'AlternateContactNumber' => $AlternateContactNumber, 'EmailAddress' => $EmailAddress, 'PAN' => $PAN, 'GSTNo' => $GSTNo, 'PaymentID' => $PaymentId, 'MSME' => $MSME, 'BankAcNumber' => $accno, 'IFSCCode' => $ifsc, 'BranchName' => $branchname, 'BankAddress' => $bankaddress, 'Createdby' => $Createdby, 'IsService' => $service, 'IsMaintanance' => $maintenance, 'IsRawMaterial' => $rawmaterial); //,'PaymentTerms'=>$PaymentTerms,'PaymentDays'=>$Payment,'PayableAT'=>$PayableAT);    

            $file1 = $this->request->getFile('Cert_MSME');
            $file2 = $this->request->getFile('Cert_GST');
            $file3 = $this->request->getFile('Cert_BANK');
            $file4 = $this->request->getFile('Cert_PAN');
            $path = ROOTPATH.'public/uploads/images/';

            if ($file2 && $file2->isValid() && !$file2->hasMoved()) {
                if(!is_dir($path)) { mkdir($path, 0777, true); }
                $GST_DOC = $file2->getName();                        
                $file2->move($path,$GST_DOC);
                $supplier['Cert_GST'] = $GST_DOC;
            }
            else{
                $supplier['Cert_GST'] = NULL;
            }

            if ($file1 && $file1->isValid() && !$file1->hasMoved()) {
                if(!is_dir($path)) { mkdir($path, 0777, true); }
                $MSME_DOC = $file1->getName();                        
                $file1->move($path,$MSME_DOC);
                $supplier['Cert_MSME'] = $MSME_DOC;
            }
            else{
                $supplier['Cert_MSME'] = NULL;
            }

            if ($file3 && $file3->isValid() && !$file3->hasMoved()) {
                if(!is_dir($path)) { mkdir($path, 0777, true); }
                $BANK_DOC = $file3->getName();                        
                $file3->move($path,$BANK_DOC);
                $supplier['Cert_BANK'] = $BANK_DOC;
            }
            else{
                $supplier['Cert_BANK'] = NULL;
            }

            if ($file4 && $file4->isValid() && !$file4->hasMoved()) {
                if(!is_dir($path)) { mkdir($path, 0777, true); }
                $PAN_DOC = $file4->getName();                        
                $file4->move($path,$PAN_DOC);
                $supplier['Cert_PAN'] = $PAN_DOC;
            }
            else{
                $supplier['Cert_PAN'] = NULL;
            }

            $result = $this->supplier_model->addNewsupplier($supplier);

            if ($result > 0) {
                $this->session->setFlashdata('success', 'New Supplier Created successfully!');
            //     echo '<script>alert("New Supplier Created successfully!");</script>';
            } else {
                $this->session->setFlashdata('error', 'Supplier Record Not Created!');
            //     echo '<script>alert("Supplier Record Not Created!");</script>';
            }
            return redirect()->route('supplierlisting');        
        }
        
    }

    
    /**
     * This function is used to edit the Supplier information
     */
    public function updatesupplierdetails()
    {
            $SupplierID = $this->request->getPost('SupplierID');
            $SupplierName = $this->request->getPost('SupplierName');
            $Address = $this->request->getPost('Address');
            $ContactNumber = $this->request->getPost('ContactNumber');
            $AlternateContactNumber = $this->request->getPost('AlternateContactNumber');
            $EmailAddress = $this->request->getPost('emailid');$PAN = $this->request->getPost('panno');
            $PAN = (is_string($PAN)) ? strtoupper($PAN) : null ;
            $GSTNo = $this->request->getPost('GSTNo');
            $GSTNo = (is_string($GSTNo)) ? strtoupper($GSTNo) : null ;
            $MSMENo = $this->request->getPost('MSME');
            $PaymentTerms = $this->request->getPost('paymentname');
            //print_r($PaymentTerms);
            $UpdatedBy = $this->session->get('userId');
            
            
            $accno = $this->request->getPost('accno');
            $ifsc = $this->request->getPost('ifsc');
            $branchname = $this->request->getPost('branchname');
            $bankaddress = $this->request->getPost('bankaddress');
            $service = $this->request->getPost('service');
            $rawmaterial = $this->request->getPost('rawmaterial');
            $maintanance = $this->request->getPost('maintanance');
            $PaymentId = $this->request->getPost('paymentid');

            $supplier = array();
            $supplier = array('SupplierName' => $SupplierName, 'Address' => $Address, 'ContactNumber' => $ContactNumber, 'AlternateContactNumber' => $AlternateContactNumber, 'EmailAddress' => $EmailAddress,  'PaymentID' => $PaymentId, 'MSME' => $MSMENo, 'BankAcNumber' => $accno, 'IFSCCode' => $ifsc, 'BranchName' => $branchname, 'BankAddress' => $bankaddress, 'UpdatedBy' => $UpdatedBy,  'IsService' => $service, 'IsMaintanance' => $maintanance, 'IsRawMaterial' => $rawmaterial); //'PaymentTerms'=>$PaymentTerms,'PaymentDays'=>$Payment);
            //SupplierID, SupplierName, Address, ContactNumber, AlternateContactNumber, EmailAddress, Exiseregistration, TIN, PAN, CSTNO, CSTDate, GSTNO, GSTRange, CollectrateAddress, UANumber, PaymentTerms, PaymentDays, PayableAT, Cert_EMS, Cert_TS, Cert_IMS, Cert_ISO, Cert_OSHAS, BankAcNumber, IFSCCode, BranchName, BankAddress, Createdby, UpdatedBy, Updatedon, CreatedOn, IsActive);    
            $file1 = $this->request->getFile('Cert_MSME');
            $file2 = $this->request->getFile('Cert_GST');
            $file3 = $this->request->getFile('Cert_BANK');
            $file4 = $this->request->getFile('Cert_PAN');
            $path = ROOTPATH.'public/uploads/images/';
            
            if($PAN){ $supplier['PAN'] = $PAN;} 
            if($GSTNo){ $supplier['GSTNO'] = $GSTNo;}
            if ($file2 && $file2->isValid() && !$file2->hasMoved()) {
                if(!is_dir($path)) { mkdir($path, 0777, true); }
                $GST_DOC = $file2->getName();                        
                $file2->move($path,$GST_DOC);
                $supplier['Cert_GST'] = $GST_DOC;
            }
            else{
                $supplier['Cert_GST'] = $this->request->getPost('hidden_Cert_GST') ? $this->request->getPost('hidden_Cert_GST') : NULL;
            }

            if ($file1 && $file1->isValid() && !$file1->hasMoved()) {
                if(!is_dir($path)) { mkdir($path, 0777, true); }
                $MSME_DOC = $file1->getName();                        
                $file1->move($path,$MSME_DOC);
                $supplier['Cert_MSME'] = $MSME_DOC;
            }
            else{
                $supplier['Cert_MSME'] = $this->request->getPost('hidden_Cert_MSME') ? $this->request->getPost('hidden_Cert_MSME') : NULL;
            }

            if ($file3 && $file3->isValid() && !$file3->hasMoved()) {
                if(!is_dir($path)) { mkdir($path, 0777, true); }
                $BANK_DOC = $file3->getName();                        
                $file3->move($path,$BANK_DOC);
                $supplier['Cert_BANK'] = $BANK_DOC;
            }
            else{
                $supplier['Cert_BANK'] = $this->request->getPost('hidden_Cert_BANK') ? $this->request->getPost('hidden_Cert_BANK') : NULL;
            }

            if ($file4 && $file4->isValid() && !$file4->hasMoved()) {
                if(!is_dir($path)) { mkdir($path, 0777, true); }
                $PAN_DOC = $file4->getName();                        
                $file4->move($path,$PAN_DOC);
                $supplier['Cert_PAN'] = $PAN_DOC;
            }
            else{
                $supplier['Cert_PAN'] = $this->request->getPost('hidden_Cert_PAN') ? $this->request->getPost('hidden_Cert_PAN') : NULL;
            }

            $result = $this->supplier_model->UpdateSupplier($supplier, $SupplierID);

            if ($result == True) {
                $this->session->setFlashdata('success', 'Supplier Updated successfully!');
                // echo "<script>alert('Supplier updated successfully!');</script>";   
            } else {
                $this->session->setFlashdata('error', 'Supplier Not Udated!');
                // echo "<script>alert('Supplier Record Not updated!');</script>";
            }
            return redirect()->route('supplierlisting');
        }
    

    function viewsupplier($SID = ''){
        $Payment = '';
        if ($SID == '') {
            $supplierID =  $_GET['SID'];
            $Payment   = $_GET['Payment'];
        } else {

            $supplierID  = $SID;
        }


        $data['supplier'] = $this->supplier_model->getSupplierInfo($supplierID);
        //$data['payment'] = $this->supplier_model->getpayment($Payment );
        $data['payment'] = $this->supplier_model->getPaymentTerms($Payment);
        $this->global['pageTitle'] = 'Edit Supplier';
// print_r($data['supplier']);die;
        $this->loadViews("editSupplier", $this->global, $data, NULL);
    }
 
    function checksupplier()
    {
        
        $supp_id = $this->request->getPost('supplierId') ??  '';

        $supp_name = $this->request->getPost('supplierName');

        $supp_name = str_replace(' ', '', $supp_name);
        
        
        $query = $this->supplier_model->checkSupplierExists($supp_id , $supp_name);


        return $this->response->setJSON($query);
    
    }


    function deletesupplier()
    {
        $Sid = $this->request->getPost('id');
        
        $updatedDate =  get_current_date_time();

        $SupplierInfo = array('IsActive' => 0, 'updatedBy' => $this->session->get('userId'), 'Updatedon' => $updatedDate);

        $result = $this->supplier_model->deleteSupplier($Sid, $SupplierInfo);

        echo 'Succssfully deleted the Supplier ..!!';
    }

    
    function reActivateSupplier()
    {
        $Sid = $this->request->getPost('id');
        
        $updatedDate =  get_current_date_time();

        $SupplierInfo = array('IsActive' => 1, 'updatedBy' => $this->session->get('userId'), 'Updatedon' => $updatedDate);  

        $result = $this->supplier_model->reActivateSupplier($Sid, $SupplierInfo);

        echo 'Succssfully Re-activated the Supplier ..!!';
    }

    function exportsupplier()
	{
		
        $data = $this->supplier_model->export_excel();
        $file_name = 'Supplierdetails.xls';
		$spreadsheet = new Spreadsheet();
		$sheet = $spreadsheet->getActiveSheet();
        $sheet->mergeCells('B3:P3');
        $sheet->getStyle('B3')->getAlignment()->setHorizontal('center');    
        $sheet->setTitle('Supplier details');

        $headers = [
            'B3' =>  'RESICO Supplier Details',
            'A5' =>  'SupplierID',
            'B5' =>  'SupplierName',
            'C5' =>  'Address',
            'D5' =>  'ContactNumber',
            'E5' =>  'AlternateContactNumber',
            'F5' =>  'EmailAddress',
            'G5' =>  'PAN',
            'H5' =>  'GST NO',
            'I5' =>  'MSME NO',
            'J5' =>  'BankStatemant',
            'K5' =>  'PaymentTerms',
            'L5' =>  'IsService',
            'M5' =>  'IsMaintanance',
            'N5' =>  'IsRawMaterial',
            'O5' =>  'CreatedBy',
            'P5' =>  'UpdatedBy',
            'Q5' =>  'IsActive'
        ];
        
        foreach ($headers as $cell => $value) {
            $sheet->setCellValue($cell, $value);
            $sheet->getStyle($cell)->getFont()->setSize($cell == 'B3' ? 14 : 12);
            $sheet->getStyle($cell)->getFont()->setBold(true);
        }

        if($data){
            $row = 6; // Start from row 6
            foreach ($data as $d) {
                $col = 'A'; // Start from column A
                foreach ($d as $value) {
                    $sheet->setCellValue($col . $row, $value);
                    $col++;
                }
                $row++;
            }
        }
		// $writer = new Xlsx($spreadsheet);
		// $writer->save($file_name);
		// header("Content-Type: application/vnd.ms-excel");
		// header('Content-Disposition: attachment; filename="' . basename($file_name) . '"');
		// header('Expires: 0');
		// header('Cache-Control: must-revalidate');
		// header('Pragma: public');
		// header('Content-Length:' . filesize($file_name));
		// flush();
		// readfile($file_name);
		// exit;
        // Clear the output buffer to prevent any other output
        ob_clean();

        $writer = new Xlsx($spreadsheet);

        header('Content-Type: application/vnd.openxmlformats-officedocument.spreadsheetml.sheet');
        header('Content-Disposition: attachment;filename="'. $file_name .'"');
        header('Cache-Control: max-age=0');
        header('Expires: 0');
        header('Pragma: public');

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

    /**
     * This function used to Transporter listing
     */
    public function transporterListing()
    {
        $isActiveFilter = 1 ;  // default showing active transporters data
        $showArchive    = 0 ; //

        if ($this->request->getMethod() === 'POST') {

            $showArchive = $this->request->getPost('showArchive');
            //reversing condition that when user wants deleted data to be shown we are making active filter
                if($showArchive){
                    $isActiveFilter = 0;
                }
        } 

        $data['userRecords'] = $this->supplier_model->transporterListing($isActiveFilter);
        $data['showArchive'] = $showArchive ;
        $this->global['pageTitle'] = 'Transporter List';
        $this->loadViews("transporterListing", $this->global, $data, NULL);
    }

    /**
     * This function is used to add/edit Transporter
     */
    public function fetchTransporterDetails() {

        $id = $this->request->getPost('transporterid'); 
        $name = $this->request->getPost('transportername');
        $userId = $this->session->get('userId');
     
        $id = trim($id);

        $data = ['status' => true,'message' => 'Successfully saved transporter details'];

        if (empty($id)) {
            $addarr = [ 'name' => $name, 'created_by' => $userId, ];

            if ($this->supplier_model->saveTransporter($addarr) > 0) {
                $data = ['status' => true, 'message' => "Successfully created $name transporter details"];
            }
        }else{
            $editarr = ['name' => $name,'updated_by' => $userId];

            if ($this->supplier_model->updateTransporter($editarr, $id) > 0) {
                $data = ['status' => true,'message' => "Successfully updated transporter details  as $name "];
            }
        }
        
    
        return $this->response->setJSON($data);
    }
    

    /**
     * check the Transporter exists?
     */

     function checkTransporter(){               
       
            $data = $this->request->getPost();
            $transporterId = $data['transporterid']??'';
            $transporterName = $data['transportername'];
            $transporterName = str_replace(' ', '', $transporterName);
            $message = $this->supplier_model->checkTransporter($transporterId,$transporterName);
            
           return $this->response->setJSON($message);
             
     }
   
    /**
     * delete the Transporter
     */
    function deleteTransporter($id = NULL)
    {
      
        $ID = $id ?? $_GET['id'];
        if(!empty($ID)){
            $updatedDate =  get_current_date_time();
            $SupplierInfo = array('isactive' => 0, 'updated_by' => $this->session->get('userId'), 'updated_on' => $updatedDate);
            

            $message = $this->supplier_model->deleteTransporter($ID, $SupplierInfo);
        }else{
            $message = "Transporter ID Not Avalable";
        }
        $this->session->setFlashdata('success', $message);
        return redirect()->route('transporterListing');        

    }

    /**
     * reactivate the Transporter
     */
    function reActivateTransporter($id = NULL)
    {
        
        $ID = $id ?? $_GET['id'];
        if(!empty($ID)){
            $updatedDate =  get_current_date_time();
            $SupplierInfo = array('isactive' => 1, 'updated_by' => $this->session->get('userId'), 'updated_on' => $updatedDate);

            $message = $this->supplier_model->reActivateTransporter($ID, $SupplierInfo);
        }else{
            $message = "Transporter ID Not Avalable";
        }
        $this->session->setFlashdata('success', $message);
        return redirect()->route('transporterListing');        

    }

}