<?php

namespace App\Controllers;

use App\Controllers\BaseController;

use CodeIgniter\Validation\Exceptions\ValidationException;

use App\Models\Costcenter_model;
use App\Models\Purchaseorder_model;
use App\Models\Requistion_model;

/**
 * Module : requisition
 * Requisitionform Class to control all Requisition related operations.
 * @author : Venba
 * @version : 1.1
 * @since : 15 Feb 2016
 * @example : Revised  at 15th april 2024
 */
class Requisitionform extends BaseController
{
	protected  $requistion_model;
	protected  $costcenter_model;
	protected  $purchaseorder_model;
	protected $session;

	/**
	 * This is default constructor of the class
	 */
	public function __construct()
	{
		parent::__construct();
		$this->requistion_model = new Requistion_model();
		$this->costcenter_model = new Costcenter_model();
		$this->purchaseorder_model = new Purchaseorder_model();

		$this->session = session();
		helper('form'); //$this->load->library('form_validation');

		$this->isLoggedIn();
	}
	/**
	 * This function used to load the first screen of the Requistion
	 */
	function requisitionlisting()
	{
		$this->global['pageTitle'] = 'Requisition Listing';

		$userID =  $this->session->get('userId');

		// $data['ReqList'] = $this->requistion_model->getRequistListUserID($userID);  	  
		$data['Status'] = $this->requistion_model->CheckDraftStatus($userID);

		$data['TotNoOfLine'] = $this->requistion_model->getRequistionList($userID);


		$this->loadViews("requisitionlisting", $this->global, $data, NULL);
	}
	/**
	 * This function used to load the first screen of the requisition Form
	 */

	function requisition()
	{
		$this->global['pageTitle'] = 'Raise Requisition';

		$data['RequestType'] = $this->requistion_model->getConfigValue('C020');

		$data['EmpList'] = $this->requistion_model->getAllEmployees();
		$data['ServiceOption'] = $this->requistion_model->getConfigValue('C022');
		$userID =  $this->session->get('userId');

		$data['Emp'] = $this->requistion_model->getEmpIdByUserID($userID);

		$data['CostCenter'] = $this->requistion_model->getCostCenterUserID($userID);
		$data['RequestBy'] = $this->requistion_model->getRequestBy();

		$this->loadViews("requisitionform", $this->global,  $data, null);
	}

	/**
	 * This function used to load the first screen of the Requistion List Approval Screen
	 */
	function requisitionlistApproval()
	{
		$this->global['pageTitle'] = 'Requisition Approval';

		$data['Status'] = $this->requistion_model->getStatus();

		$userID =  $this->session->get('userId');

		$data['AppList'] = $this->requistion_model->getApproverRequistList($userID);


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


	/**
	 * This function used to load the Edit Requistion Form
	 */
	function EditRequisitionForm()
	{
		$this->global['pageTitle'] = 'Edit Requisition';

		$ReqNo =  $_GET['ReqNo'];
		$ReqType =  $_GET['ReqType'];

		$userID =  $this->session->get('userId');

		$data['ReqDetails'] = $this->requistion_model->getRequistDetails($ReqNo, 'Yes');
		//print_r($data['ReqDetails']);
		
		$POType =  $this->purchaseorder_model->GetPOType($ReqNo);
		$ReqPOType = '';
		if (count($POType) > 0) {
			for ($i = 0; $i < count($POType); $i++) {
				if ($POType[$i]['POType'] == $ReqType) {
					$ReqPOType = '';
					break;
				} else {
					$ReqPOType =  $POType[$i]['POType'];
				}
			}
		}
		//print_r($POType);
		// echo 'ReqType'.$ReqPOType;
		$data['ReqPOType'] =  $ReqPOType == '' ? $ReqType : $ReqPOType;
		$data['LineItem'] = $this->requistion_model->getEditRequistItemList($ReqNo);
		// print_r($data['LineItem']);die;
		$data['description'] = '';
		foreach ($data['LineItem'] as $line) {
			
			$description = isset($line->MaterialDescription) ? $line->MaterialDescription : null;
			//echo $description;

		}


		$data['CostCenter'] = $this->requistion_model->getCostCenterUserID($userID);
		$data['MaterialCode'] = $this->requistion_model->EditMaterialCode($ReqNo, $ReqType);
		$data['ServiceOption'] = $this->requistion_model->getConfigValue('C022');
		$this->loadViews("editrequisitionform", $this->global, $data, NULL);
	}
	/**
	 * This function used to load the Delete the Requistion Items
	 */
	function DeleteRequistionForm()
	{

		$ReqList =  $this->request->getPost('id');
		$ReqNo = '';
		$MaterialCode = '';
		if (count($ReqList) > 0) {
			$ReqNo =  $ReqList[0];
			$MaterialCode =  $ReqList[1];
		}

		$this->requistion_model->DeleteRequistionLineItem($ReqNo, $MaterialCode);
		return $this->response->setJSON("Successfully Deleted the Line item" . $ReqNo);
	}

	/**
	 * This function used to load the Delete the Requistion Items
	 */
	function DeleteReqNo()
	{

		$ReqNo =  $this->request->getPost('id');

		$updateddt =  get_current_date_time();
		$Request = array('Status' => REQ_DELETED, 'updatedOn' => $updateddt);

		$this->requistion_model->UpdateRequistion($Request, $ReqNo);
		return $this->response->setJSON(['message' => "Successfully Deleted the " . $ReqNo]);
		
	}

	function SearchRequistList()
	{
		$userID =  $this->session->get('userId');
		$ReqValue = $this->request->getPost('SearchDate');
		$Dt = (is_string($ReqValue)) ? explode("-", $ReqValue) : [];
		$FromDate = '';
		$ToDate = '';
		$Status = '';

		if (count($Dt) > 1) {
			$FDate = $Dt[0] . "-" . $Dt[1] . "-" . $Dt[2];
			$TDate = $Dt[3] . "-" . $Dt[4] . "-" . $Dt[5];
			$FromDate =  get_date_time_format($FDate);
			$ToDate =  get_date_time_format($TDate);
		}

		$St =  $this->request->getPost('RequisitionStatus');

		if ($St == "-1") {
			$Status = '';
		} else {
			$Status = $St;
		}

		$data['AppList'] = $this->requistion_model->getApproverRequistList($userID, $Status, $FromDate, $ToDate);

		$this->global['pageTitle'] = 'Requisition Approval';

		$data['Status'] = $this->requistion_model->getStatus();

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

	/**
	 * This function used to load the Employee details based on the EmpID selection
	 */
	function GetSelectedEmpDetails()
	{
		$ReqType =  $_GET['ReqType'];
		$EmpID =  $this->request->getPost('id');
		$empDetails = $this->requistion_model->GetEmployeeDetails($EmpID);
		$DeptCode =  $empDetails[0]['DEPCode'];
		$CostList = $this->requistion_model->GetCostCenterByDept($DeptCode);
		$HTML = "<option value='-1'>Select Cost center</option>";
		$BudAmount = "";
		if (count($CostList) > 0) {
			for ($j = 0; $j < count($CostList); $j++) {
				$Code = $CostList[$j]['CostCenterCode'];
				$Name = $CostList[$j]['CostCenterName'];
				$HTML .= "<option value='" . $Code . "'>" . $Code . "-" . $Name . "</option>";
			}
		}
		if (count($CostList) == 1) {

			$FYStart = '';
			$FYEnd = '';
			$FiscalYear =   $this->costcenter_model->getFiscalYear();
			if (!empty($FiscalYear)) {
				foreach ($FiscalYear as $Fy) {
					$FYStart = $Fy->StartYear;
					$FYEnd = $Fy->EndYear;
				}
			}

			$FYdt = $FYStart . " - " . $FYEnd;
			

			$result = $this->purchaseorder_model->GetAvailableBudgetAmount($CostCode, $FYdt, $ReqType);
			//print_r($result);
			$AvilBudAmt = '0';
			if (count($result) > 0) {
				$BudAmount = $result[0]['BudgetAmount'] -  $result[0]['Totalvalue'];
			}
		}
		die(json_encode(array('emp' => $empDetails, 'Cost' => $HTML, 'AvlAmount'  => $BudAmount)));
	}

	function getAvailableBudAmount()
	{
		$ReqType =  $_GET['ReqType'];
		$CostCode =  $this->request->getPost('id');
		$FYStart = '';
		$FYEnd = '';
		$FiscalYear =   $this->costcenter_model->getFiscalYear();
		if (!empty($FiscalYear)) {
			foreach ($FiscalYear as $Fy) {
				$FYStart = $Fy->StartYear;
				$FYEnd = $Fy->EndYear;
			}
		}

		$FYdt = $FYStart . " - " . $FYEnd;
		$this->purchaseorder_model = new purchaseorder_model();

		$Cost = $this->purchaseorder_model->GetAvailableBudgetAmount($CostCode, $FYdt, $ReqType);


		//$Cost = $this->requistion_model->GetAvailableBudgetAmount( $CostCode,$Year,$ReqType);

		die(json_encode(array('Cost' => $Cost)));
	}
	// To get the Material code based on the Request type
	function getMaterialCode()
	{

		$ReqType =  $this->request->getPost('id');

		$MaterialCode = $this->requistion_model->GetMaterialCode($ReqType);
		$MaterialName = "";
		$UOM = "";
		$HTML = "<option value='-1'>Select Material Type</option>";

		if (count($MaterialCode) > 0) {
			for ($j = 0; $j < count($MaterialCode); $j++) {
				$Code = $MaterialCode[$j]['MaterialCode'];
				$Name = $MaterialCode[$j]['MaterialName'];
				$HTML .= "<option value='" . $Code . "'>" . $Code . "-" . $Name . "</option>";
			}
			$MaterialName = $MaterialCode[0]['MaterialName'];
			$UOM = $MaterialCode[0]['UOM'];
		}

		$response = ['Material' => $HTML, 'MaterialName' => $MaterialName, 'UOM' => $UOM];
		return $this->response->setJSON($response);
	}

	// To get the Material value based on the MaterialCode
	function getMaterialDetails()
	{

		$Material =  $this->request->getPost('id');

		$MaterialDetails = $this->requistion_model->getRawMaterialList($Material);

		return $this->response->setJSON(['MatDetail' => $MaterialDetails]);
	}

	/**
	 *  To Insert the Requistion Details to Database	 
	 */
	function addNewRequisition()
	{
		// print_r($this->request->getPost());die();

		log_message('error', " add new Requisition Fns Called");

		// $this->validator->setRules(['RequestType'=> 'trim|required',
		// 'EmpID'=> 'trim|required']);

		// if ($this->validator->run() == FALSE) {
		// 	$this->requisition();
		// } else {}

		$Status = $this->request->getPost('ID');
		$RequestType = $this->request->getPost('RequestType');
		$RequestType = (is_string($RequestType)) ? strtoupper(trim($RequestType)) : null;
		$Requestedby = $this->request->getPost('EmpID');
		$Requestedby = (is_string($Requestedby)) ? strtoupper(trim($Requestedby)) : null;
		log_message('error', " add new Requisition empid " . $Requestedby);
		$RequestedbyDept = $this->session->get('DEPCode');
		$CostCenter = $this->request->getPost('CostCenter');
		$CreateBy = $this->session->get('userId');
		$UpdatedBy = $this->session->get('userId');
		$createddt =  get_current_date_time();
		$RowCount =  $this->request->getPost('txtRowCount');
		$DeletedRow = $this->request->getPost('txtDeletedRow');
		$comma_separated = ($DeletedRow !== null && is_string($DeletedRow))
			? explode(':', $DeletedRow)
			: [];
		$serviceSchedule = $this->request->getPost('serviceSchedule');
		$servicePeriod = $this->request->getPost('serviceSchedule');
		// $noOfService = $this->request->getPost('noOfService'); 
		$noOfService = 1;
		$IsExists = $this->requistion_model->RequistionIsExists($Requestedby);

		
		$Request = array('ReqType' => $RequestType, 'Requestedby' => $Requestedby, 'ReqDate' => $createddt, 'CostCenterCode' => $CostCenter, 'Status' => $Status, 'CreatedDate' => $createddt, 'CreatedBy' => $CreateBy, 'Schedule_Type' => $serviceSchedule, 'NumberOfService' => $noOfService, 'Service_Period' => $servicePeriod, 'RequestedDept' => $RequestedbyDept);
		
		if ($Status == REQ_APPROVED) {
			$Request['Comments'] = "Default Approved";
			$Request['Approvedby'] = $this->session->get('userId');
			$Request['ApprovedOn'] =  get_current_date_time();
		}

		if (count($IsExists) == 0) {
			$Req  = $this->requistion_model->addRequisition($Request);
		} else {
			$UpdateReq  = $this->requistion_model->UpdateRequistion($Request, $IsExists[0]['ReqNo']);
		}
		
		$ReqNumber = (count($Req) > 0) ? $Req[0]['ReqNo']
									   : $IsExists[0]['ReqNo'];
		
		$SkipInsert = "false";
		for ($i = 1; $i <= $RowCount; $i++) {
			$SkipInsert = "false";
			if (count($comma_separated) > 0) {
				for ($j = 1; $j < count($comma_separated); $j++) {
					$deletedRow = 	$comma_separated[$j];
					if ($deletedRow == $i) {
						$SkipInsert = "true";
						break;
					}
				}
			}

			if ($SkipInsert == "false") {
				$MaterialCode = $this->request->getPost('MaterialCode' . $i);
				$Quantity = $this->request->getPost('Quantity' . $i);
				$OtherD = $this->request->getPost('otherD' . $i);

				$ReqDetails = array('ReqNo' => $ReqNumber, 'MaterialCode' => $MaterialCode, 'Quantity' => $Quantity, 'MaterialDescription' => $OtherD, 'UpdatedBy' => $UpdatedBy);
				$this->requistion_model->addRequistionDetails($ReqDetails, $ReqNumber);
			}
		}

		if ($Status == REQ_DRAFT) {
			$display_message = 'Successfully Saved the Requistion details.Requistion No is ' . $ReqNumber;
		} else {
			$display_message = 'Successfully Created the Requistion details.Requistion No is ' . $ReqNumber;
		}
		
		return $this->response->setJSON([$display_message]);
		// return redirect()->route('supplierlisting')->with('success', $display_message);


	}
	function EditRequisition()
	{
		$Status = $this->request->getPost('txtStatus');
		$ReqNumber = $this->request->getPost('txtReqNo');
		$CostCenter = $this->request->getPost('CostCenter');
		$UpdatedBy = $this->session->get('userId');
		$updatedDate =  get_current_date_time();
		$DeletedRow =  $this->request->getPost('txtDeletedRow');
		
		$RowCount =  $this->request->getPost('txtRowCount');
		$serviceSchedule = $this->request->getPost('serviceSchedule');
		$servicePeriod = $this->request->getPost('serviceSchedule');
		// $noOfService = $this->request->getPost('noOfService'); 
		$noOfService = 1;

		if (is_string($Status) && strlen($Status) > 1) {
			$Request = array('Status' => $Status, 'CreatedDate' => $updatedDate, 'CreatedBy' => $UpdatedBy, 'CostCenterCode' => $CostCenter, 'Schedule_Type' => $serviceSchedule, 'NumberOfService' => $noOfService, 'Service_Period' => $servicePeriod);
			$UpdateReq  = $this->requistion_model->UpdateRequistion($Request, $ReqNumber);
		} else {
			$Request = array('Status' => REQ_PENDING_APPROVAL, 'updatedOn' => $updatedDate, 'CostCenterCode' => $CostCenter, 'Schedule_Type' => $serviceSchedule, 'NumberOfService' => $noOfService, 'Service_Period' => $servicePeriod);
			$UpdateReq  = $this->requistion_model->UpdateRequistion($Request, $ReqNumber);
		}


		$comma_separated = ($DeletedRow !== null && is_string($DeletedRow))
						? explode(':', $DeletedRow)
						: [];

		/* Table value update and Insert in the table */
		//echo  "RowCOunt:"	.$RowCount;


		$SkipInsert = "false";
		for ($i = 1; $i <= $RowCount; $i++) {
			$SkipInsert = "false";
			if (count($comma_separated) > 0) {
				for ($j = 1; $j < count($comma_separated); $j++) {
					$deletedRow = 	$comma_separated[$j];
					if ($deletedRow == $i) {
						$SkipInsert = "true";
						break;
					}
				}
			}
			if ($SkipInsert == "false") {
				$MaterialCode = $this->request->getPost('MaterialCode' . $i);
				$Quantity = $this->request->getPost('Quantity' . $i);
				$OtherD = $this->request->getPost('otherD' . $i);
				$IsExists = $this->requistion_model->LineItemIsExists($ReqNumber, $MaterialCode);
				if ($IsExists === null || count($IsExists) == 0) {
					$ReqDetails = array('ReqNo' => $ReqNumber, 'MaterialCode' => $MaterialCode, 'Quantity' => $Quantity, 'MaterialDescription' => $OtherD, 'UpdatedBy' => $UpdatedBy);
					$this->requistion_model->addRequistionDetails($ReqDetails, $ReqNumber);
				} 
				else {
					$ReqDetails = array('ReqNo' => $ReqNumber, 'MaterialCode' => $MaterialCode, 'Quantity' => $Quantity, 'UpdatedBy' => $UpdatedBy, 'UpdatedOn' => $updatedDate, 'MaterialDescription' => $OtherD);
					$this->requistion_model->UpdateRequistionLineItem($ReqDetails, $ReqNumber, $MaterialCode);
				}
			}
		}
		$display_message = 'Successfully Updated the Requistion details.Requistion No is ' . $ReqNumber;
		return $this->response->setJSON([$display_message]);

	}
	/* To Edit the request*/
	function ViewRequest()
	{

		$ReqNo = $this->request->getPost('id');
		$result =  $this->requistion_model->getRequistItemList($ReqNo);
		$ReqList = $this->requistion_model->getRequistDetails($ReqNo);
		$DepNo = $ReqList[0]['DEPCode'];
		//$CostList = $this->requistion_model->GetCostCenterByDept($DepNo);
		$HTML = "";
		for ($i = 0; $i < count($result); $i++) {
			$SNo = $i + 1;
			$MaterialCode = $result[$i]['MaterialCode'];
			$MaterialName = $result[$i]['MaterialName'];
			$UOM = $result[$i]['UOM'];
			$Quantity = $result[$i]['Quantity'];
			$Quantity = $result[$i]['Quantity'];
			$POQTY = $result[$i]['POQTY'];
			$StatusName = $result[$i]['StatusName'];
			$HTML .= "<tr  id='" . $i . "'>
                            <td align='left'>" . $SNo . "</td>
                            <td align='left'>" . $MaterialCode . "</td>
                                                                          
                            <td align='left'>" . $MaterialName . "</td>
                            
                            <td align='left'>" . $UOM . "</td>    
                                <td align='left'>" . $Quantity . "</td>    
                            <td    align='left'>" . $POQTY . "</td>
                            <td align='left'>" . $StatusName . "</td>                                
                            </tr>";

			//$index =  $index + 1;

		}
		$CostCode = '';
		$ReqType = '';
		$FYStart = '';
		$FYEnd = '';
		
		$FiscalYear =   $this->costcenter_model->getFiscalYear();
		if (!empty($FiscalYear)) {
			foreach ($FiscalYear as $Fy) {
				$FYStart = $Fy->StartYear;
				$FYEnd = $Fy->EndYear;
			}
		}

		$FYdt = $FYStart . " - " . $FYEnd;
		$this->purchaseorder_model = new purchaseorder_model();
		if (count($ReqList) > 0) {

			$ReqType = $ReqList[0]['ReqType'];

			$CostCode = $ReqList[0]['CostCenterCode'];
		}

		$POType =  $this->purchaseorder_model->GetPOType($ReqNo);

		$ReqPOType = '';
		if (count($POType) > 0) {

			for ($i = 0; $i < count($POType); $i++) {
				if ($POType[$i]['POType'] == $ReqType) {
					$ReqPOType = '';
					break;
				} else {
					$ReqPOType =  $POType[$i]['POType'];
				}
			}
		}

		$RequestType = '';
		$RequestType =  $ReqPOType == '' ? $ReqType : $ReqPOType;


		$AvlBudget = array();

		// if($ReqType== CAPITAL&&$RequestType!=IMPORT )
		// {
		//      $AvlBudget = $this->purchaseorder_model->GetAvailableCapitalBudgetAmount($CostCode,$FYdt,$ReqType);


		// }


		if ($ReqType == CAPITAL && $RequestType != IMPORT) {
			$AvlBudget = $this->purchaseorder_model->GetAvailableCapitalBudgetAmount($CostCode, $FYdt, $RequestType);
		}


		// else if($ReqType== CAPITAL&&$RequestType==IMPORT)
		// {

		//     $AvlBudget = $this->purchaseorder_model->GetAvailableImportBudgetAmount($CostCode,$FYdt,$RequestType);
		// }


		// else if($ReqType== IMPORT)
		// {
		//      $AvlBudget = $this->purchaseorder_model->GetAvailableImportBudgetAmount($CostCode,$FYdt,$RequestType);
		// }
		else {
			$AvlBudget = $this->purchaseorder_model->GetAvailableBudgetAmount($CostCode, $FYdt, $ReqType);
		}


		// $AvlBudget = $this->purchaseorder_model->GetAvailableBudgetAmount($CostCode,$FYdt,$ReqType);
		//print_r($result);
		$AvilBudAmt = '0';
		if (count($AvlBudget) > 0) {
			$AvilBudAmt = $AvlBudget[0]['BudgetAmount'] -  $AvlBudget[0]['Totalvalue'];
		}
		//echo     $AvilBudAmt;        
		die(json_encode(array('Items' => $HTML, 'Requist' => $ReqList, 'AvilBudAmount' => number_format($AvilBudAmt, 2))));
	}

	/** This function used approve or reject request - Ajax Call*/
	function ApproveRequest()
	{
		$Status = $this->request->getVar('Status'); 
		$ReqNo = $this->request->getVar('ReqNo');
		$Remarks = $this->request->getVar('Remarks');

		$ApprovedBy = $this->session->get('userId');
		$ApprovedDate =  get_current_date_time();

		$Request = array('Status' => $Status, 'Comments' => $Remarks, 'ApprovedOn' => $ApprovedDate, 'Approvedby' => $ApprovedBy);
		$this->requistion_model->UpdateRequistion($Request, $ReqNo);
		return $this->response->setJSON(['message' => "Successfully Updated the Requisition No: " . $ReqNo]);

	}
}