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<?php

namespace App\Http\Controllers;		
use App\Http\Controllers\Controller;
use Illuminate\Support\Facades\Validator;  			
use Illuminate\Http\Request;
use Carbon\Carbon;
use Carbon\CarbonPeriod;		
use Image;      
use App\Models\StudentRegisterOne;    
use App\Models\FeeCategoryMaster; 
use App\Models\FeeAmtSingle;   
use App\Models\FeeAmtMaster;   
use App\Models\FeeTransMaster;   
use App\Models\FeeConcession;   
use App\Models\FeeTransDesc;   
use App\Models\StationMaster;     
use App\Models\FeePending;        
use App\Models\FineSetting;   
use App\Models\PaymentMode;      
use App\Models\FeeAmount;       
use App\Models\FeeSlot;      
use DB;  

class FeeCollectionController extends Controller			
{
	public function __construct()
    {
        DB::statement("SET SQL_MODE=''");   
    }

    public function index()   
	{ 
		$categories=FeeCategoryMaster::all();		
        $fiscal=$this->calculateFiscalYear(date('m'));	
		$fiscal_arr=explode(':',$fiscal);				
		
		$months = CarbonPeriod::create($fiscal_arr[0],'1 month',$fiscal_arr[1]);	
  
		foreach ($months as $month) 
		{			
			$month_arr['01-'.$month->format("m-Y")]=$month->format("M Y");  			
		}  
		
		$slots=FeeSlot::all();  
		$modes=PaymentMode::all();     
		$feedata=array('categories'=>$categories,'months'=>$month_arr,'slots'=>$slots,'modes'=>$modes);		 

        if(!empty($categories)) {   
			return response()->json(["status" => 'successed',"data" => $feedata]);	  	
		}
		else {
			return response()->json(["status" => "failed","message" => "Whoops! no record found","data" =>[]]);
		}   
		
    }
    
	public function create(Request $request)			
	{
		$inputs=$request->all();	
		$categories=json_decode($request->cats); 
		$amounts=json_decode($request->amnts);  
		$image_rule=$image_name="";	
		$count=0;   		

		foreach ($categories as $key => $value) 
		{
			$count++;     			
		}	
		
		if($request->file('attachment')!=null)
		{				
			$image_rule = 'required|image|mimes:jpeg,png,jpg|max:5120';							
		}	 
		
		$rules=[            	 			 				
			'attachment' => $image_rule,		 		 	
			'admission_no' => 'required|string|max:255',				  
			'pay_mode' => 'required',
			'pay_amount'=> 'required|numeric|gt:0',   
		];   

		$fields = [  				
			'attachment' => 'Attachment Image',  
			'admission_no' => 'Admission Number',     	
			'pay_mode' => 'Payment Mode',      	
			'pay_amount' => 'Current Payment',      		 
		]; 

		$messages = [
			'required' => 'The :attribute field is required.',    
		];  

		$validator = Validator::make($inputs, $rules, $messages, $fields);   		    		
		
        if ($validator->fails()) {  	
			$errors=$validator->errors();      			  
			$response_arr=array("status"=>"failed","success"=>false,"message"=>"Please fill required fields!!","errors"=>$errors);   
        }  	
		else if($count==0)		
		{			
			$response_arr=array("status"=>"failed","success"=>false,"message" => "Please select month/category checkboxes!!","errors" =>'');   
		}  		
		else  
		{
			if($request->hasFile('attachment'))   
			{  
				$image  = $request->file('attachment');     						
				$height = Image::make($image)->height();
				$width = Image::make($image)->width();   
				$image_name = time().rand(3, 9).'.'.$image->getClientOriginalExtension();  
				
				$destinationPath1 = public_path('/uploads/draft_image/thumbnail/');  
				$imgFile = Image::make($image->getRealPath());
				$imgFile->resize($height,$width, function ($constraint) {	  	
					$constraint->aspectRatio();   
				})->save($destinationPath1.'/'.$image_name);			
				
				$destinationPath2 = public_path('/uploads/draft_image/');  								
				$image->move($destinationPath2, $image_name);  	
				
			} 	
			
			// receipt no.
			$fee_receipt=FeeTransMaster::select(DB::raw('IFNULL(MAX(FeeTransId),0)+1 as next_id'))->get();	
			$class_id=$request->class_id;
			$course_id=$request->course_id;  
			
			$amount=$request->fee_amount;
			$paid=$request->pay_amount;  
			$num = $fee_receipt[0]->next_id;			
			$len=strlen($num);		
			$place=$len+4;  
			$num_padded = sprintf("%0{$place}d",$num);
			$receipt='S'.$num_padded;  
			
			$data_arr = array(  
				'AdmissionNo'=>$request->admission_no,   
				'ClassId'=>$class_id,   
				'CourseId'=>$course_id,   
				'SectionId'=>$request->section_id,     
				'FeeAmount'=>$request->fee_amount,			
				'FeeDate'=>$request->fee_date,     
				'FeeMonth'=>date("MY",strtotime($request->fee_date)),     			
				'FeeYear'=>date("Y",strtotime($request->fee_date)),       
				'BalanceAmount'=>$amount-$paid, 	 
				'ReceiptNo'=>$receipt,			
				'PaymentMode'=>$request->pay_mode,
				'BankName'=>empty($request->bank_name)?'':$request->bank_name,  
				'BranchAddress'=>empty($request->branch_address)?'':$request->branch_address,  
				'DraftChequeTransactionId'=>empty($request->draft_cheque)?'':$request->draft_cheque,    
				'Attachment'=>$image_name,    
			);
			
			$transaction = FeeTransMaster::create($data_arr);	
			if($transaction->id)		
			{
				$transaction_id=$transaction->id;		
				foreach ($categories as $k=>$v)    
				{
					if($paid>0)		
					{
						$timearr=explode(',',$v);		
						$amountarr=explode(',',$amounts->$k);		
						$month_string=$year_string="";	   	
						
						for ($i=0;$i<count($timearr);$i++)	
						{
							if($i==count($timearr)-1)
							{
								$month_string .=date("MY",strtotime($timearr[$i]));  
								$year_string .=date("Y",strtotime($timearr[$i])); 
							}
							else
							{
								$month_string .=date("MY",strtotime($timearr[$i])).',';  
								$year_string .=date("Y",strtotime($timearr[$i])).',';  
							}
						}	
						
						$amnt=($paid>array_sum($amountarr))?array_sum($amountarr):$paid;   	  
						
						$desc_arr[]=array(
							'FeeTransId'=>$transaction_id,		
							'FeeCatId'=>$k,		
							'FeeMonth'=>$month_string, 
							'Feeyear'=>$year_string,
							'FeeAmt'=>$amnt,    			
							'CurrentMonthFee'=>array_sum($amountarr),    
						);	

						if(array_sum($amountarr)>$paid)	  
						{
							$balance = array_sum($amountarr)-$paid; 		
							
							$debt_arr=array(	
								'FeeTransId'=>$transaction_id,	
								'AdmNo'=>$request->admission_no,	
								'FeeCatId'=>$k,			
								'FeeMonth'=>$month_string, 
								'Feeyear'=>$year_string,
								'PendingAmt'=>$balance,    
							);	
							
							FeePending::insert($debt_arr);       
						}
						
						$paid = $paid-array_sum($amountarr);   
						
					}
					
				}	   				 	
				
				$desc=FeeTransDesc::insert($desc_arr);				
				
				if($desc)	
				{
					$message="Fee saved successfully";    
					$response_arr=array("status"=>'successed',"success"=>true,"message"=>$message,"errors"=>[],"data" =>$desc);	  
				}
				else
				{
					$message="could not saved!!";  
					$response_arr=array("status"=>'failed',"success"=>false,"message"=>$message,"errors"=>[],"data"=>[]);	
				} 
				
			}
			else
			{
				$message="could not saved!!";  
				$response_arr=array("status"=>'failed',"success"=>false,"message"=>$message,"errors"=>[],"data"=>[]);	
			} 	 
			
		}
		     
		return response()->json($response_arr);      
	}  	  
	
    public function calculateFiscalYear($month)
	{
		if($month > 4)
		{
			$y = date('Y');		
			$pt = date('Y', strtotime('+1 year'));			
			$fy = $y."-04-01".":".$pt."-03-31";
		}
		else
		{
			$y = date('Y', strtotime('-1 year'));
			$pt = date('Y');
			$fy = $y."-04-01".":".$pt."-03-31";
		}
		
		return $fy;		
		
	}	
	
   public function getFeeDetails($search)    
   { 		
        $result=StudentRegisterOne::leftJoin('student_registrations2 as sr','student_registrations1.id','=','sr.row_id')   
			->leftJoin('class_master as cs','student_registrations1.class_id','=','cs.classId')  
			->select('student_registrations1.*','cs.className','sr.transportation','sr.station_id','sr.route_id','sr.bus_no','sr.transport_concession','sr.busfare','sr.transconcession_amount','sr.totalfare','sr.staffchild','sr.child_no','sr.management_concession','sr.applicable')	  
			->where('cs.className','like','%'.$search.'%')  			
            ->orWhere('student_registrations1.student_name','like','%'.$search.'%')    
			->orWhere('student_registrations1.father_name','like','%'.$search.'%')    
			->orWhere('student_registrations1.admission_no','like','%'.$search.'%')       
            ->get();     					 												
		 
        if(count($result)>0) { 
			$admission_dt=$result[0]->admission_date;  		  
			$admission_no= $result[0]->admission_no;   
			 	
			$course_id= $result[0]->course_id;  
			$class_id= $result[0]->class_id;    
			
			$monthnoadm=date('M',strtotime($admission_dt));
			$yearadm=date('Y',strtotime($admission_dt));  
			
			$parent_type= $result[0]->parent_type;    
			$sibling_no= $result[0]->sibling_no;   
			$staff_child= $result[0]->staffchild;   
			$child_no= $result[0]->child_no;   
			$management_conn= $result[0]->management_concession;   
			$CheckTransPort=$result[0]->transportation;   
			$transport_conn= $result[0]->transport_concession;    
			$station_id= $result[0]->station_id;    
			
			$current_month = date('M');
			$current_year = date('Y');
			
			$start = $admission_dt;  
			$time = date('Y').'-'.date('m').'-01';   
			$end = date("Y-m-d",strtotime("+1 month",strtotime($time)));    		
			  			
			$periods = CarbonPeriod::create($start,'1 month',$end);	  
			$slot_arr = array();   

			foreach ($periods as $dt)
			{ 						
				$place=$dt->format("MY");
				$slots=FeeSlot::whereRaw("FIND_IN_SET('$place',FeeDueMonths)")->get(); 	  
				foreach($slots AS $slot)
				{					
					array_push($slot_arr,$slot->FeeSlotId);		
				}
			} 
			
			$fee_cats=FeeAmount::leftJoin('fee_slot_master as sm','fee_amounts.id','=','sm.FeeCatId') 			  	  
			->select(DB::raw("fee_amounts.class_id,sm.FeeCatId,sm.SessionId,sm.SchoolCode,GROUP_CONCAT(sm.FeeDueMonths SEPARATOR ',') as fee_month"))  	
			->where('fee_amounts.course_id',$course_id)  
			->where('fee_amounts.class_id',$class_id)    
			->whereIn('sm.FeeSlotId',$slot_arr)   
			->groupBy('sm.FeeCatId')    
            ->get(); 

			$CurrentMonthFee=0;
			$FeeAmount=0;
			$paidCheck=0;   
			$color='NA';	
			$session_id='';  	

			foreach($fee_cats AS $fc)	
			{
				$fee_type=FeeCategoryMaster::where('fee_id',$fc->FeeCatId)->get();
				
				$fee_amount=FeeAmtSingle::select(DB::raw('count(*) as fee_count'))  
				->where('AdmissionNo',$admission_no)  
				->where('FeeCatId',$fc->FeeCatId)  
				->where('SessionId',$session_id)     
				->get(); 
				
				$month_arr=explode(',',$fc->fee_month); 
				$amount_arr=$paid_arr=$last_arr=array(); 
				$cat_fee=$tution_fee=$transport_fee=$fine_fee=$net_fee=0; 
				$fee_diff =-1; 	
				
				if($fee_amount[0]->fee_count > 0)		
				{
					for($i=0;$i<count($month_arr);$i++)
					{
						$amounts=FeeAmtSingle::leftJoin('fee_slot_master as fs','feeamtsingle.FeeCatId','=','fs.FeeCatId') 
						->select('feeamtsingle.FeeAmount')		
						->where('fs.SchoolCode',$fc->SchoolCode)  
						->where('fs.SessionId',$fc->SessionId) 
						->where('fs.FeeCatId',$fc->FeeCatId)   	
						->where('feeamtsingle.AdmissionNo',$admission_no)   
						->whereRaw("FIND_IN_SET('$month_arr[$i]',fs.FeeDueMonths)")    
						->get();	
								
						foreach($amounts AS $amnt)
						{
							array_push($amount_arr,$amnt->FeeAmount);  
						}  		
					}	 					
				}
				else
				{  					
					for($i=0;$i<count($month_arr);$i++)
					{
						$amounts=FeeAmtMaster::leftJoin('feeamtdesc as fa','feeamtmaster.FeeAmtId','=','fa.FeeAmtId') 
						->leftJoin('fee_slot_master as fs','fa.FeeCatId','=','fs.FeeCatId')   
						->select('fa.FeeAmount')		
						->where('fs.SchoolCode',$fc->SchoolCode)  
						->where('fs.SessionId',$fc->SessionId)    
						->where('fs.FeeCatId',$fc->FeeCatId) 
						->where('feeamtmaster.ClassId',$fc->class_id)    	
						->whereRaw("FIND_IN_SET('$month_arr[$i]',fs.FeeDueMonths)")  
						->get(); 
						
						foreach($amounts AS $amnt)
						{
							array_push($amount_arr,$amnt->FeeAmount);  
						}
						
					}	    
						
				}
				
				$cat_fee = array_sum($amount_arr);  					
				
				if($fee_type='tution')  
				{
					if($parent_type=='old')
					{
						$concession=FeeConcession::where('ConcessionName','sibling')
						->where('SchoolCode',$fc->SchoolCode)  
						->where('SessionId',$fc->SessionId)    
						->get();    
						
						if($sibling_no==1)
						{
							if($concession[0]->ConcessionType=='fixed')
							{
								$tution_fee=$cat_fee-$concession[0]->ConcessionAMount;    
							}
							else
							{	
								$percent=($concession[0]->ConcessionAMount/100)*$cat_fee; 
								$tution_fee=$cat_fee-$percent;     
							}
						}
						else
						{
							if($concession[0]->ConcessionType2=='percentage')
							{
								$tution_fee=$cat_fee-$concession[0]->ConcessionAMount2;    
							}
							else
							{	
								$percent=($concession[0]->ConcessionAMount2/100)*$cat_fee; 
								$tution_fee=$cat_fee-$percent;     
							}
						}
						
					}
					if($staff_child=='yes')
					{
						$concession=FeeConcession::where('ConcessionName','staff')
						->where('SchoolCode',$fc->SchoolCode)  
						->where('SessionId',$fc->SessionId)    
						->get();   

						if($child_no==1)
						{
							if($concession[0]->ConcessionType=='fixed')
							{
								$tution_fee=$tution_fee-$concession[0]->ConcessionAMount;    
							}
							else
							{	
								$percent=($concession[0]->ConcessionAMount/100)*$tution_fee; 
								$tution_fee=$tution_fee-$percent;     
							}
						}
						else
						{
							if($concession[0]->ConcessionType2=='percentage')
							{
								$tution_fee=$tution_fee-$concession[0]->ConcessionAMount2;    
							}
							else
							{	
								$percent=($concession[0]->ConcessionAMount2/100)*$tution_fee; 
								$tution_fee=$tution_fee-$percent;     
							}
						}
						
					}
					if($management_conn=='yes')
					{
						$concession=FeeConcession::where('ConcessionName','management')
						->where('SchoolCode',$fc->SchoolCode)  
						->where('SessionId',$fc->SessionId)    
						->get();   
						
						if($concession[0]->ConcessionType=='fixed')
						{
							$tution_fee=$tution_fee-$concession[0]->ConcessionAMount;    
						}
						else
						{	
							$percent=($concession[0]->ConcessionAMount/100)*$tution_fee; 
							$tution_fee=$tution_fee-$percent;     
						}
						
					}
				}
				if($fee_type='transport')    
				{
					if($CheckTransPort=='yes')
					{
						$fare=StationMaster::where('stationId',$station_id)->get();  
						if($transport_conn=='yes')
						{
							$transport_fee=$fare[0]->busFare;		
						}
								
						
					}
				}
				if($fee_type='fine')     
				{
					$fine=FineSetting::where('SchoolCode',$fc->SchoolCode)  
						->where('SessionId',$fc->SessionId)    
						->get();  
						
					for($i=0;$i<count($month_arr);$i++)
					{
						$history=FeeTransMaster::leftJoin('feetransdesc as fd','feetransmaster.FeeTransId','=','fd.FeeTransId')
						->select('fd.FeeAmt','fd.CurrentMonthFee')	 
						->where('fd.FeeCatId',$fc->FeeCatId)  
						->where('feetransmaster.AdmissionNo',$admission_no)    	
						->whereRaw("FIND_IN_SET('$month_arr[$i]',fd.FeeMonth)")  
						->get(); 
						
						if(count($history)>0)
						{
							$fee_diff=$history[0]->CurrentMonthFee-$history[0]->FeeAmt; 
						}

						$dt=strtotime("01$month_arr[$i]");   
						$now = time();    
						$datediff = $now - $dt; 
						$diff = round($datediff/(60*60*24));  
						if($diff>$fine[0]->DueDate && $fee_diff !=0)   
						{
							$fine_days=$diff-$fine[0]->DueDate;   
							if($fine[0]->FineType='fixed')
							{
								$fine_fee=$fine[0]->FineAmount;  
							}
							else
							{
								$fine_fee=$fine_days*$fine[0]->FineAmount;   
							}
							
						}
					}			
						
				}
				
				$net_fee=$tution_fee+$transport_fee+$fine_fee; 
				
				for($i=0;$i<count($month_arr);$i++)
				{
					$fee_paid=FeeTransMaster::leftJoin('feetransdesc as fd','feetransmaster.FeeTransId','=','fd.FeeTransId')  
						->select(DB::raw('SUM(fd.FeeAmt) as fee_sum'))  
						->where('fd.FeeCatId',$fc->FeeCatId)  
						->where('feetransmaster.AdmissionNo',$admission_no)
						->where('feetransmaster.SchoolCode',$fc->SchoolCode)  
						->where('feetransmaster.SessionId',$fc->SessionId)     	
						->whereRaw("FIND_IN_SET('$month_arr[$i]',fd.FeeMonth)")  
						->get(); 
						
					$last_fee=FeeTransMaster::leftJoin('feetransdesc as fd','feetransmaster.FeeTransId','=','fd.FeeTransId')  
						->select(DB::raw('MAX(fd.CurrentMonthFee) as last_sum'))   
						->where('fd.FeeCatId',$fc->FeeCatId)  
						->where('feetransmaster.AdmissionNo',$admission_no)
						->where('feetransmaster.SchoolCode',$fc->SchoolCode)  
						->where('feetransmaster.SessionId',$fc->SessionId)     	
						->whereRaw("FIND_IN_SET('$month_arr[$i]',fd.FeeMonth)")  
						->get(); 	

					array_push($paid_arr,$fee_paid[0]->fee_sum);  		
					array_push($last_arr,$last_fee[0]->last_sum);  
				}  	
				
				$paid_amount=array_sum($paid_arr); 
				
				if(count($last_arr)==0)	
				{
					$current_month_fee=$net_fee;  
					$paid_check=0;  
					$net_fee=$net_fee-$paid_amount;
				}
				else
				{
					$current_month_fee=array_sum($last_arr);  		
					$paid_check=1;  
					$net_fee=array_sum($last_arr)-$paid_amount;  
				}
				
				if($net_fee>0 && $paid_amount>0) 
				{
					$color='HALF';
				}
				else if($net_fee>0 && $paid_amount=0)	
				{
					$color='NIL';
				}
				else if($net_fee=0 && $paid_amount>0)
				{
					$color='FULL';
				}
				else if($net_fee=0 && $paid_amount=0)
				{
					$color='NA'; 
				}
				else
				{
					$color=''; 
				}
				
				$fee_arr[$fc->FeeCatId]=array('amount'=>$net_fee,'color'=>$color);  
				
			}
			
			$data=array('fees'=>$fee_arr);  		
            return response()->json(["status"=>"successed","success"=>true,"data"=>$net_fee]);  	  
        }
        else {
            return response()->json(["status" => "failed", "success" => false, "message" => "Whoops! no result found"]);
        }    
   }  	
   
}