<?php
/**
 * Created by Pensare Software.
 * User: Theo Weijmer
 * Date: 21/02/2018
 * Time: 10:34
 */

class Invoices_model extends MY_Model {

    protected $tablename = 'invoices';

    public function getInvoicedPerYearPerProject( $projectID )
    {
        $this->sql = "
        SELECT          ROUND(COALESCE(SUM(invoiceamount), 0),0) AS invoiced, YEAR(invoicedate) AS invoiceyear
        FROM            invoices
        WHERE           project_id = {$projectID}
        GROUP BY        YEAR(invoicedate) 
        ORDER BY        YEAR(invoicedate) ";

        $invoiced = $this->get_query_result();

        return $invoiced;
    }

    public function getOutstandingPerProject( $projectID )
    {
        $this->sql = "
         SELECT 		(own_revenue + other_revenue + OFF.costs) AS totalrevenue,
                        ROUND(SUM(INV.invoiceamount * ((100 + vatrate) / 100)), 0) AS totalinvoiced,
                        (
                      	SELECT        SUM(paymentamount) PAYMENTAMOUNT
                      	FROM          payments		PAY
                      		JOIN 	  invoices 		INV
                      		ON 		  INV.id = PAY.invoice_id
                      	WHERE 		  INV.project_id = {$projectID} 
                      	) AS payed,
                      	PRJ.archive 
        FROM 		  	invoices 	    INV
            JOIN 	  	projects	    PRJ
            ON		  	PRJ.id = INV.project_id
            JOIN      	(
            			SELECT 	vatrate, id
            			FROM	vats
            			WHERE	active = 'T'
            				AND	archive = 'F'
            			) VTS
            ON        	VTS.id = INV.vat_id
            JOIN	  	offers		OFF
            ON 		  	PRJ.id = OFF.project_id
        WHERE 		    PRJ.id = {$projectID} ";

        $invoiceDetails = $this->get_query_row();

        return $invoiceDetails;
    }

	public function getTotalsOutstandingPerProject($archive = TRUE)
	{
		$this->sql = "
			SELECT
				PRJ.id,
				projectnumber,
				projectname,
				SUM(invoiced) AS invoiced,
				SUM(payment) AS payment,
				revenues,
				costs,
				COALESCE(payedcosts, 0) AS payedcosts
			FROM (
				SELECT
					project_id,
					ROUND(SUM(invoiceamount * (1 + (vatrate / 100))), 0) AS invoiced,
					payment
				FROM
					invoices INV
					JOIN vats VAT ON VAT.id = INV.vat_id
					LEFT JOIN (
						SELECT
							ROUND(COALESCE(SUM(paymentamount), 0), 0) AS payment,
							invoice_id
						FROM
							payments
						GROUP BY
							invoice_id) AS Q1 ON INV.id = Q1.invoice_id
					GROUP BY
						INV.id) Q2
				JOIN projects PRJ ON PRJ.id = Q2.project_id
				JOIN (
					SELECT
						ROUND((own_revenue + other_revenue + costs) * (1 + (vatrate / 100)), 0) revenues,
						ROUND(costs * (1 + (vatrate / 100)), 0) costs,
						OFF.project_id
					FROM
						offers OFF
						JOIN projects PRJ ON PRJ.id = OFF.project_id
						JOIN vats VAT ON VAT.id = PRJ.vat_id) Q3 ON Q3.project_id = PRJ.id
				LEFT JOIN (
					SELECT
						SUM(costs) AS payedcosts,
						project_id
					FROM
						projectcosts
					GROUP BY
						project_id) Q4 ON Q4.project_id = PRJ.id ";
		if( $archive == FALSE ) $this->sql .= "WHERE PRJ.archive = 'F' ";

		$this->sql .= "
				GROUP BY
					PRJ.id ";

		$outstandings = $this->get_query_result();

		return $outstandings;
    }
}