<?php

namespace App\Controllers;

use App\Controllers\BaseController;
use App\Models\CoatingMachineDetailsModel;
use App\Models\DrierMachineDetailsModel;
use CodeIgniter\HTTP\ResponseInterface;
use DateTime;

class StockController extends BaseController
{

    protected  $coatingMachineDetails_model;
    protected  $drierMachineDetails_model;
    protected $session;
  
    /**
     * This is default constructor of the class
     */
    public function __construct()
    {
      parent::__construct();
      $this->coatingMachineDetails_model = new CoatingMachineDetailsModel();
      $this->drierMachineDetails_model = new DrierMachineDetailsModel();
  
      $this->session = session();
      helper('form'); 
  
      $this->isLoggedIn();
    }

    public function index()
    {
        //
    }

    public function loadView_coatingMachineDetails(){

        $this->global['pageTitle'] = 'Coating Machine Details ';

        $data['coatingMachineDetails']= $this->coatingMachineDetails_model
            ->where('is_active', 1)
            ->orderBy('created_at','DESC')
            ->findAll();

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

    public function addNewCoatingMachineDetails(){

        $postData=$this->request->getPost();
        
        $inserted= $this->coatingMachineDetails_model->insert($postData);

        if ($inserted) {
            // Set flashdata for success message
            return redirect()->to('/coatingMachineDetails')->with('success', 'Coating Machine details updated successfully');
        } else {
            // Set flashdata for error message
            return redirect()->back()->with('error', 'Failed to update Coating machine details');
        }

    }


    public function updateCoatingMachineDetails(){

        $putData=$this->request->getPost();

        $id =   $putData['editCoatingMachineDetailId'];
        
        $updated= $this->coatingMachineDetails_model->update($id,$putData);

        if ($updated) {
            // Set flashdata for success message
            return redirect()->to('/coatingMachineDetails')->with('success', 'Coating Machine details updated successfully');
        } else {
            // Set flashdata for error message
            return redirect()->back()->with('error', 'Failed to update Coating machine details');
        }


    }

    public function deleteCoatingMachineDetails(){

        $id =   $this->request->getGet('id');   

        $data['is_active']=0;

        $updated = $this->coatingMachineDetails_model->update($id,$data);

        if ($updated) {
            // Set flashdata for success message
            return redirect()->to('/coatingMachineDetails')->with('success', 'Coating Machine details deleted successfully');
        } else {
            // Set flashdata for error message
            return redirect()->back()->with('error', 'Failed to delete Coating machine details');
        }
    }

    
    // --------------------------------------------gwm----------------------------------------------


    function getMonthDatesFromInput($monthYear) {
        
        $date = DateTime::createFromFormat('M-Y', $monthYear);

        if (!$date) {
            return "Invalid date format. Use 'M-yyyy' format.";
        }
        
        $year = $date->format('Y');
        $month = $date->format('m');
        
        $totalDays = cal_days_in_month(CAL_GREGORIAN, $month, $year);
    
        $dates = [];
        for ($day = 1; $day <= $totalDays; $day++) {

            $currentDate = DateTime::createFromFormat('Y-m-d', "$year-$month-$day");

            $dates[] = [
                'readable' => $currentDate->format('d-m-Y'),
                'database' => $currentDate->format('Y-m-d')
            ];
        }
    
        return $dates;
    }
    
    function fillMissingDates($monthData, $drierDetails) {
        
        $filledDetails = [];
    
        $drierDetailsByDate = [];
        foreach ($drierDetails as $detail) {
            $drierDetailsByDate[$detail['date']] = $detail;
        }
    
        foreach ($monthData as $day) {
            $date = $day['database']; 
    
            if (isset($drierDetailsByDate[$date])) {
                $filledDetails[] = $drierDetailsByDate[$date];
            } else {
                $filledDetails[] = [
                    'id' => null,
                    'date' => $date,
                    'drier_on_time' => null,
                    'drier_off_time' => null,
                    'drier_running_hours' => '0.00',
                    'supplier_name' => null,
                    'input_sand_moisture' => '0.00',
                    'total_gas_consumption' => '0.00',
                    'gas_per_ton' => '0.00',
                    'input_sand_qty' => '0.00',
                    'moisture_loss_qty' => '0.00',
                    'sand_dried_qty' => '0.00',
                    'qty_per_hours' => '0.00',
                    'dust_qty' => '0.00',
                    'customer_name' => null,
                    'created_at' => null,
                    'updated_at' => null
                ];
            }
        }
        return $filledDetails;
    }

    function generateTimeOptions() {
        $times = [];
        $start = strtotime('00:00'); // Start at midnight (12:00 AM)
        $end = strtotime('23:45');   // End at 11:45 PM

        while ($start <= $end) {
            $timeValue = date('H:i', $start);  // 24-hour format for value
            $timeLabel = date('h:i A', $start); // 12-hour format with AM/PM for display
            $times[$timeValue] = $timeLabel; // Store time in associative array
            $start = strtotime('+15 minutes', $start); // Increment by 15 minutes
        }

        return $times;
    }

    function drierMachineDetails()
	{

        
        $currentMonth = $this->request->getPost('month') ? $this->request->getPost('month') : date('M-Y');
       
        $monthData = $this->getMonthDatesFromInput($currentMonth);
      
        $data['startDate'] = $monthData[0]['database'];
        $data['endDate'] = $monthData[count($monthData)-1]['database'];
        $data['timeDropdown'] = $this->generateTimeOptions();

        $data['drierDetails'] = $this->drierMachineDetails_model
                                    ->where('date >=', $data['startDate'])
                                    ->where('date <=', $data['endDate'])
                                    ->findAll();  
        $data['datefordropdown'] = $currentMonth;

        $data['data'] = $this->fillMissingDates($monthData, $data['drierDetails']);
       

        $this->global['pageTitle'] = 'Drier Details';
		$this->loadViews("drierMachineDetails", $this->global, $data, NULL);
	}

    public function addOrEditdrierMachineDetails()
    {
        $drierData = json_decode($this->request->getPost('drierData'), true);

        if (empty($drierData)) {
            echo "No data received.";
            return;
        }

        foreach ($drierData as $row) {
            $data = [
                'date'                 => DateTime::createFromFormat('d-m-Y', $row['Date'])->format('Y-m-d'),
                'drier_on_time'        => $row['Drier On Time'],
                'drier_off_time'       => $row['Drier Off Time'],
                'drier_running_hours'  => $row['Running Hrs'],
                'supplier_name'        => $row['Supplier Name'],
                'input_sand_moisture'  => $row['i/p Sand Moisture(%)'],
                'total_gas_consumption'=> $row['Tot Gas Consumption'],
                'gas_per_ton'          => $row['Gas Pre Ton'],
                'input_sand_qty'       => $row['i/p Sand Qty'],
                'moisture_loss_qty'    => $row['Moisture Loss Qty'],
                'sand_dried_qty'       => $row['Sand Dried Qty'],
                'qty_per_hours'        => $row['Qty Per Hrs'],
                'dust_qty'             => $row['Dust Qty'],
                'customer_name'        => $row['Customer Name']
            ];

            // Check if a row with the same date already exists
            $existingRow = $this->drierMachineDetails_model->where('date', $data['date'])->first();


            if ($existingRow) {
                // If exists, update the row
                $this->drierMachineDetails_model->update($existingRow['id'], $data);
            } else {
                // If not, insert a new row
                $this->drierMachineDetails_model->insert($data);
            }
        }

        echo "Data successfully saved.";
    }

}