<?php

namespace App\Controllers;

use App\Controllers\BaseController;

use App\Models\Ipinvoice_model;
use App\Models\Ipattachment_model;
require_once 'vendor/autoload.php';


class Sales extends BaseController
{
    protected  $ipinvoice_model;
    protected  $ipattachment_model;
    protected $session;

    public function __construct()
    {
        parent::__construct();
        $this->ipinvoice_model = new Ipinvoice_model();
        $this->ipattachment_model = new Ipattachment_model();
        $this->session = session();
        $this->isLoggedIn();
    }

    function formatIndianCurrency($amount) {
        // Convert the amount to a string with 2 decimal places
        $formattedAmount = number_format((float)$amount, 2, '.', '');
    
        // Split the integer and decimal parts
        $parts = explode('.', $formattedAmount);
        $integerPart = $parts[0];
        $decimalPart = isset($parts[1]) ? $parts[1] : '00';
    
        // Format the integer part for Indian numbering system
        if (strlen($integerPart) > 3) {
            $lastThreeDigits = substr($integerPart, -3); // Get the last 3 digits (thousands)
            $remainingDigits = substr($integerPart, 0, -3); // Get the remaining digits
    
            // Add commas to the remaining digits in groups of 2
            $remainingDigits = preg_replace('/\B(?=(\d{2})+(?!\d))/', ',', $remainingDigits);
    
            // Combine the formatted parts
            $integerPart = $remainingDigits . ',' . $lastThreeDigits;
        }
    
        // Combine the integer and decimal parts
        return $integerPart . '.' . $decimalPart;
    }
    public function sales_dashboard()
    {
        $this->global['pageTitle'] = 'Sales Dashboard';
        $data = [];
        $data['today_sales'] = $this->ipinvoice_model->todaySales();
        $data['today_sales']->Sales = $this->formatIndianCurrency($data['today_sales']->Sales, 2, '.', ',');
        $data['this_month_sales'] = $this->ipinvoice_model->thisMonthSales();
        $data['this_month_sales']->Sales = $this->formatIndianCurrency($data['this_month_sales']->Sales);
        $data['this_year_sales'] = $this->ipinvoice_model->thisYearSales();
        $data['this_year_sales']->Sales = $this->formatIndianCurrency($data['this_year_sales']->Sales, 2, '.', ',');
        $data['this_year_sales_trend'] = $this->ipinvoice_model->thisYearSalesTrend();
        $data['get_today_invoices'] = $this->ipinvoice_model->getTodayInvoices();
   
        // Define months from April to March
        $months = ['Apr', 'May', 'Jun', 'Jul', 'Aug', 'Sep', 'Oct', 'Nov', 'Dec', 'Jan', 'Feb', 'Mar'];
    
        // Initialize arrays for current and last year sales
        $currentYearSales = array_fill(0, 12, 0);
        $lastYearSales = array_fill(0, 12, 0);
    
        // Populate arrays with data
        foreach ($months as $index => $month) {
            if (isset($data['this_year_sales_trend'][$month]['Current Year'])) {
                $currentYearSales[$index] = $data['this_year_sales_trend'][$month]['Current Year'];
            }
            if (isset($data['this_year_sales_trend'][$month]['Last Year'])) {
                $lastYearSales[$index] = $data['this_year_sales_trend'][$month]['Last Year'];
            }
        }
    
        // Assign to data array
        $data['currentYearSales'] = $currentYearSales;
        $data['lastYearSales'] = $lastYearSales;
    
        // echo "<pre>";
        // print_r($data);
        // die;
    
        $this->loadViews("sales_dashboard", $this->global, $data, NULL);
    }
    
    //  Sales Invoice List 
    function sales_invoice(){
        $fromDate='';
        $toDate='';
    
        if ($this->request->getMethod() === 'GET')
        {
         $currentYear = date('Y');
         $currentMonth = date('m');
         $startOfMonth = "$currentYear-$currentMonth-01"; 
         $endOfMonth = date('Y-m-t');  
         $fromDate = $startOfMonth;
         $toDate = $endOfMonth;
       } elseif ($this->request->getMethod() === 'POST') {
         $fromDate = $this->request->getPost('fromDate');
         $toDate = $this->request->getPost('toDate');
         $fromDate =  date('Y-m-d', strtotime($fromDate)); 
         $toDate = date('Y-m-d', strtotime($toDate)); 
       }

        $this->global['pageTitle'] = 'Sales Invoice';
        $data['sales_invoice'] = $this->ipinvoice_model->saleInvoiceListing($fromDate , $toDate);
        // echo "<pre>";
        // print_r($data);die;
        $data['fromDate'] =  date('d-m-Y', strtotime($fromDate)); 
        $data['toDate'] = date('d-m-Y', strtotime($toDate)); 


        $this->loadViews("sales_invoice", $this->global, $data, NULL);
    }
    
    // View Invoice 
    function ViewInvoice($InvoiceNO = '')
    {
        if ($InvoiceNO == '') {
            $InvoiceID =  $_GET['InvoiceID'];
        } else {
                    $InvoiceID  = $InvoiceNO;
        }
        
        $data['invoiceDetails'] = $this->ipinvoice_model->getInvoice($InvoiceID);

        $data['invoiceAttachment'] = $this->ipinvoice_model->getinvoiceAttachment($InvoiceID);
        
        //   echo "<pre>";
        //   print_r($data);die;
        $this->global['pageTitle'] = 'View Invoice';
        
        $this->loadViews("editInvoice", $this->global,  $data, NULL);
    }
    
    
    // Invoice Attachments 
    function getInvoiceAttachments(){
            $data['invoiceAttachment'] = $this->ipinvoice_model->getinvoiceAttachment($this->request->getGet('invoice_number'));
            return json_encode($data);
    }
    
    
    // Delete Attachment
    function deleteAttachment() 
    {
        $invoice_attachment_id = $this->request->getGet('invoice_attachment_id'); // Get the attachment ID from the request
        // Ensure ID is not empty
        if ($invoice_attachment_id) {
            // Load the model

            // Call the model method to delete the attachment
            $result = $this->ipinvoice_model->deleteAttachment($invoice_attachment_id);

            if ($result) {
                echo json_encode(['status' => 'success', 'message' => 'Attachment deleted successfully.']);
            } else {
                echo json_encode(['status' => 'error', 'message' => 'Failed to delete attachment.']);
            }
        } else {
            echo json_encode(['status' => 'error', 'message' => 'Invalid attachment ID.']);
        }
    }
    
    // Save Attachment
    function saveAttachment() {
        $invoiceId = $this->request->getPost('invoice_id');
        $fileNames = $this->request->getPost('file_name[]');
        $files = $this->request->getFiles();
        if ($files && isset($files['emp_file']) && is_array($files['emp_file'])) {
            foreach ($files['emp_file'] as $key => $file) {
                if ($file->isValid() && !$file->hasMoved()) {
                    // Generate a unique name for the file
                    $newFileName = $file->getRandomName();
    
                    // Move the file to the target directory
                    $file->move('./public/uploads/images/invoice_files/', $newFileName);
    
                    // Insert the file info into the database
                    $data = [
                        'invoice_id' => $invoiceId,
                        'file_name' => $newFileName,
                        'attachment_name' => $fileNames[$key]
                    ];
    
                    $this->ipattachment_model->addNewAttachment($data);
                }
            }
        } else {
            return $this->response->setJSON(['success' => false, 'message' => 'No files uploaded or incorrect input name.']);
        }
    
        return $this->response->setJSON(['success' => true]);
    }
}