<?php
/**
 * Created by Pensare Software.
 * User: Theo Weijmer
 * Date: 16/01/2018
 * Time: 10:27
 */

class Payment extends BaseModel {

	protected $table = "payments";

	public function invoice()
	{
		return $this->belongsTo( 'Invoice' );
	}

	public static function getPaymentPerProject( $projectID )
	{
		$projectPayment = self::selectRAW( 'id, invoice_id, SUM(paymentamount) as payment' )
			->whereHas( 'invoice', function ( $q ) use ( $projectID ) {
				$q->whereProjectId( $projectID );
			} )
			->first();

		if ( ! $projectPayment ) return 0;

		return $projectPayment->payment;
	}

	public static function getPaymentsPerCustomerMonth( $year )
	{
		$projects = self::selectRaw( 'PRJ.id, projectname, CUS.name, SUM(paymentamount) AS totalProjectPayments' )
			->join( 'invoices AS INV', 'INV.id', '=', 'payments.invoice_id' )
			->join( 'projects AS PRJ', 'PRJ.id', '=', 'INV.project_id' )
			->join( 'customers AS CUS', 'CUS.id', '=', 'PRJ.customer_id' )
			->groupBy( 'PRJ.id' )
			->whereRaw( 'DATE_FORMAT(paymentdate, "%Y") = ' . $year )
			->get()
			->toArray();

		for ( $x = 0; $x < count( $projects ); $x ++ )
		{
			$projects[ $x ]['monthPayments'] = [];
			$monthPayments = self::getMonthPaymentPerProject( $projects[ $x ]['id'], $year );
			for ( $i = 1; $i <= 12; $i ++ )
			{
				$projects[ $x ]['monthPayment'][ $i ] = 0;
				foreach ( $monthPayments as $monthPayment )
				{
					if ( $monthPayment->month == $i )
						$projects[ $x ]['monthPayment'][ $i ] = $monthPayment->paymentamount;
				}
			}
		}

		return $projects;
	}

	public static function getMonthPaymentPerProject( $projectID, $year )
	{
		return self::selectRaw( 'SUM(paymentamount) AS paymentamount, DATE_FORMAT(paymentdate, "%m") AS month' )
			->join( 'invoices AS INV', 'INV.id', '=', 'payments.invoice_id' )
			->whereRaw( 'DATE_FORMAT(paymentdate, "%Y") = ' . $year )
			->whereProjectId( $projectID )
			->groupBy( \DB::raw( 'DATE_FORMAT(paymentdate, "%m")' ) )
			->get();
	}

	public static function getProjectsWithPayments( $year )
	{
		$projects = self::selectRaw( 'INV.project_id' )
			->distinct()
			->join( 'invoices AS INV', 'INV.id', '=', 'payments.invoice_id' )
			->whereRaw( 'DATE_FORMAT(paymentdate, "%Y") = "' . $year . '"' )
			->pluck( 'project_id' );

		return $projects->toArray();
	}

	public static function getPaymentInYear( $year )
	{
		$payments = self::selectRAW( 'SUM(paymentamount) AS totalpayment' )
			->whereRaw( "DATE_FORMAT(paymentdate, '%Y') = '{$year}'" )
			->first();

		return $payments->totalpayment;
	}

	public static function savePayment( $paymentID, $payment )
	{
		$payment = (array) $payment;

		if ( $paymentID == 0 )
		{
			$payment = Payment::create( $payment );
			$paymentID = $payment['id'];
		}
		else
		{
			Payment::whereId( $paymentID )->update( $payment );
		}

		return $paymentID;
	}

	public static function removePayment( $paymentID )
	{
		Payment::whereId( $paymentID )->delete();
	}

}