<?php
class Bill extends MY_Controller
{
    var $db_onedev;
    public function index()
    {
        echo "Bill API";
    }

    public function __construct()
    {
        parent::__construct();
        $this->db_onedev = $this->load->database("onedev", true);
    }

    public function add_notes($orderid)
    {
        $sql = "SELECT SupplierPaymentSupplierInvoiceID as note_order_id,
				SupplierPaymentID as note_id,
				SupplierPaymentDetailSupplierInvoiceDetailID as detail_id,
				SupplierPaymentDate as note_date,
				SupplierPaymentNumber as note_number,
				GROUP_CONCAT(DISTINCT coaDescription separator ' , ') as paymenttypes_name,
				SUM(SupplierPaymentDetailAmount) as note_amount,
				n.M_UserUsername as note_user,
				SupplierPaymentDetailIsActive as note_active,
				'xxx' as tests,
				'N' as show_detail,
				SupplierPaymentNote as keterangan,
				SupplierPaymentCoaID,
				coaID,
				coaDescription,
				SupplierPaymentIsConfirm,
				CONCAT('Confirmed by : ',c.M_UserUsername, ' ',DATE_FORMAT(SupplierPaymentConfirmDate,'%d-%m-%Y %H:%i')) as d_confirm,
				SupplierPaymentIsApproved,
				CONCAT('Approved by : ',a.M_UserUsername, ' ',DATE_FORMAT(SupplierPaymentApprovedDate,'%d-%m-%Y %H:%i')) as d_approved,
				CONCAT('Verified by : ',b.M_UserUsername, ' ',DATE_FORMAT(SupplierPaymentVerifDate,'%d-%m-%Y %H:%i')) as d_verif
				FROM supplier_payment
				JOIN supplier_payment_detail ON SupplierPaymentDetailSupplierPaymentID = SupplierPaymentID AND SupplierPaymentDetailIsActive = 'Y'
				LEFT JOIN coa ON SupplierPaymentCoaID = coaID
				LEFT JOIN m_user n ON SupplierPaymentUserID = n.M_UserID
				LEFT JOIN m_user c ON SupplierPaymentConfirmUserID = c.M_UserID
				LEFT JOIN m_user a ON SupplierPaymentApprovedUserID = a.M_UserID
				LEFT JOIN m_user b ON SupplierPaymentVerifUserID = b.M_UserID
				WHERE
				SupplierPaymentSupplierInvoiceID = {$orderid}
				AND
			 	SupplierPaymentIsActive = 'Y'
				GROUP BY SupplierPaymentID";
        $query = $this->db_onedev->query($sql);
        if ($query) {
            $rows = $query->result_array();
            if ($rows) {
                foreach ($rows as $k => $v) {
                    $rows[$k]['tests'] = $this->add_tests($v['note_id']);
                }
            }
            return $rows;
        } else {
            $this->sys_error_db("get notes", $this->db_onedev);
            exit;
        }
    }

    public function add_notes_downpayment($orderid)
    {
        $sql = "SELECT SupplierPaymentSupplierDownpaymentID AS note_order_id,
                SupplierPaymentID AS note_id,
                SupplierDownpaymentID AS detail_id,
                SupplierPaymentDate AS note_date,
                SupplierPaymentNumber AS note_number,
                GROUP_CONCAT(DISTINCT coaDescription separator ' , ') AS paymenttypes_name,
                SUM(SupplierDownpaymentAmount) AS note_amount,
                n.M_UserUsername AS note_user,
                SupplierDownpaymentIsActive AS note_active,
                'N' AS show_detail,
                SupplierPaymentNote AS keterangan,
                SupplierPaymentCoaID,
                coaID,
                coaDescription,
                SupplierPaymentIsConfirm,
                CONCAT(
                    'Confirmed by : ',c.M_UserUsername, ' ',
                    DATE_FORMAT(SupplierPaymentConfirmDate, '%d-%m-%Y %H:%i')
                ) AS d_confirm,
                SupplierPaymentIsApproved,
                CONCAT(
                    'Approved by : ',a.M_UserUsername, ' ',
                    DATE_FORMAT(SupplierPaymentApprovedDate,'%d-%m-%Y %H:%i')
                ) AS d_approved,
                CONCAT(
                    'Verified by : ',b.M_UserUsername, ' ',
                    DATE_FORMAT(SupplierPaymentVerifDate,'%d-%m-%Y %H:%i')
                ) AS d_verif
            FROM supplier_payment
            JOIN supplier_downpayment
                ON SupplierDownpaymentID = SupplierPaymentSupplierDownpaymentID
                AND SupplierDownpaymentIsActive = 'Y'
            LEFT JOIN coa ON SupplierPaymentCoaID = coaID
            LEFT JOIN m_user n ON SupplierPaymentUserID = n.M_UserID
            LEFT JOIN m_user c ON SupplierPaymentConfirmUserID = c.M_UserID
            LEFT JOIN m_user a ON SupplierPaymentApprovedUserID = a.M_UserID
            LEFT JOIN m_user b ON SupplierPaymentVerifUserID = b.M_UserID
            WHERE SupplierPaymentSupplierDownpaymentID = {$orderid}
                AND SupplierPaymentIsActive = 'Y'
            GROUP BY SupplierPaymentID";
        $query = $this->db_onedev->query($sql);
        if ($query) {
            $rows = $query->result_array();
            return $rows ?: [];
        } else {
            $this->sys_error_db("get DP notes", $this->db_onedev);
            exit;
        }
    }

    public function add_notes_installment($orderid)
    {
        $sql = "SELECT SupplierPaymentSupplierInstallmentID as note_order_id,
                SupplierPaymentID as note_id,
                SupplierInstallmentID as detail_id,
                SupplierPaymentDate as note_date,
                SupplierPaymentNumber as note_number,
                GROUP_CONCAT(DISTINCT coaDescription separator ' , ') as paymenttypes_name,
                SUM(SupplierInstallmentAmount) as note_amount,
                n.M_UserUsername as note_user,
                SupplierInstallmentIsActive as note_active,
                'N' as show_detail,
                SupplierPaymentNote as keterangan,
                SupplierPaymentCoaID,
                coaID,
                coaDescription,
                SupplierPaymentIsConfirm,
                CONCAT(
                    'Confirmed by : ',c.M_UserUsername, ' ',
                    DATE_FORMAT(SupplierPaymentConfirmDate,'%d-%m-%Y %H:%i')
                ) AS d_confirm,
                SupplierPaymentIsApproved,
                CONCAT(
                    'Approved by : ',a.M_UserUsername, ' ',
                    DATE_FORMAT(SupplierPaymentApprovedDate,'%d-%m-%Y %H:%i')
                ) AS d_approved,
                CONCAT(
                    'Verified by : ',b.M_UserUsername, ' ',
                    DATE_FORMAT(SupplierPaymentVerifDate,'%d-%m-%Y %H:%i')
                ) AS d_verif
            FROM supplier_payment
            JOIN supplier_installment
                ON SupplierInstallmentID = SupplierPaymentSupplierInstallmentID
                AND SupplierInstallmentIsActive = 'Y'
            LEFT JOIN coa ON SupplierPaymentCoaID = coaID
            LEFT JOIN m_user n ON SupplierPaymentUserID = n.M_UserID
            LEFT JOIN m_user c ON SupplierPaymentConfirmUserID = c.M_UserID
            LEFT JOIN m_user a ON SupplierPaymentApprovedUserID = a.M_UserID
            LEFT JOIN m_user b ON SupplierPaymentVerifUserID = b.M_UserID
            WHERE SupplierPaymentSupplierInstallmentID = {$orderid}
                AND SupplierPaymentIsActive = 'Y'
            GROUP BY SupplierPaymentID";
        $query = $this->db_onedev->query($sql);
        if ($query) {
            $rows = $query->result_array();
            return $rows ?: [];
        } else {
            $this->sys_error_db("get Installment notes", $this->db_onedev);
            exit;
        }
    }

    public function add_tagihans($orderid)
    {
        $sql_dp = "SELECT
                Fa_ClassDownPaymentCoaID
            FROM supplier_invoice_detail
            JOIN m_item
                ON M_ItemID = SupplierInvoiceDetailItemID
                AND SupplierInvoiceDetailSupplierInvoiceID = ?
                AND SupplierInvoiceDetailIsActive = 'Y'
                AND SupplierInvoiceDetailIsVerified = 'Y'
            JOIN fa_class
                ON Fa_ClassID = M_ItemFa_ClassID
                AND Fa_ClassIsActive = 'Y'";
        $que_dp = $this->db_onedev->query($sql_dp, [$orderid]);
        if (!$que_dp) {
            $this->sys_error_db("failed to get coa id dp tagihans", $this->db_onedev);
            exit;
        }
        $dataDP = $que_dp->result_array();
        $excludeIds = array_column($dataDP, 'Fa_ClassDownPaymentCoaID');
        $excludeIds[] = 563;                          // always excluded
        $excludeIds = array_unique($excludeIds);
        $excludeIds = array_values($excludeIds);     // re-index

        $notInPlaceholders = implode(',', array_fill(0, count($excludeIds), '?'));

        $sql = "SELECT
                SupplierInvoiceID as tagihan_id,
                PurchaseOrderNumber as tagihan_number,
                jurnalTxDescription as pasien,
                jurnalTxCredit as tagihan_total,
                IF(SupplierPaymentDetailID IS NULL , jurnalTxCredit, jurnalTxCredit - SUM(SupplierPaymentDetailAmount)) as tagihan_tagihan,
                0 as tagihan_bayar,
                DATE_FORMAT(SupplierInvoiceDueDate,'%d-%m-%Y') as tagihan_duedate,
                SupplierInvoiceIsActive as tagihan_active,
                'N' as show_detail,
                jurnalTxID SupplierInvoiceDetailID,
                PurchaseOrderID SupplierInvoiceDetailPurchaseOrderID
            FROM supplier_invoice
            JOIN receive_order_po
                ON ReceiveOrderPoID = SupplierInvoiceReceiveOrderPoID
            JOIN receive_order_po_detail
                ON ReceiveOrderPoDetailReceiveOrderPoID = ReceiveOrderPoID
            JOIN purchase_order
                ON ReceiveOrderPoDetailPurchaseOrderID = PurchaseOrderID
            JOIN jurnal_addon
                ON jurnalAddOnValue = SupplierInvoiceNumber
                AND jurnalAddOnIsActive = 'Y'
            JOIN jurnal_tx
                ON jurnalTxJurnalID = jurnalAddOnJurnalID
                AND jurnalTxIsActive = 'Y'
                AND jurnalTxCredit <> 0
                AND jurnalTxCoaID NOT IN ($notInPlaceholders)
            LEFT JOIN supplier_payment
                ON SupplierPaymentSupplierInvoiceID = SupplierInvoiceID
                AND SupplierInvoiceIsActive = 'Y'
            LEFT JOIN supplier_payment_detail
                ON SupplierPaymentDetailSupplierPaymentID = SupplierPaymentID
                AND  SupplierPaymentDetailSupplierInvoiceDetailID = jurnalTxID
                AND SupplierPaymentDetailIsActive = 'Y'
            WHERE SupplierInvoiceID = ?
            GROUP BY jurnalTxID";
        $query = $this->db_onedev->query($sql, array_merge($excludeIds, [$orderid]));
        if ($query) {
            $rows = $query->result_array();
            return $rows;
        } else {
            $this->sys_error_db("get tagihans", $this->db_onedev);
            exit;
        }
    }

    public function add_tests($orderid)
    {
        $sql = "	SELECT SupplierPaymentSupplierInvoiceID as note_order_id,
			 SupplierPaymentID as note_id,
			 SupplierPaymentDate as note_date,
			 SupplierPaymentNumber as note_number,
			 GROUP_CONCAT(coaDescription separator ' , ') as paymenttypes_name,
			 SUM(SupplierPaymentDetailAmount) as note_amount,
			 M_UserUsername as note_user,
			 SupplierPaymentDetailIsActive as note_active,
			 PurchaseOrderNumber,
			 SupplierInvoiceDetailTotal,
			 SupplierPaymentDetailAmount
			 FROM supplier_payment
			 JOIN supplier_payment_detail ON SupplierPaymentDetailSupplierPaymentID = SupplierPaymentID
			 LEFT JOIN supplier_invoice_detail ON SupplierPaymentDetailSupplierInvoiceDetailID = SupplierInvoiceDetailID
			 LEFT JOIN purchase_order ON SupplierInvoiceDetailPurchaseOrderID = PurchaseOrderID
			 LEFT JOIN coa ON SupplierPaymentCoaID = coaID
			 LEFT JOIN m_user ON SupplierPaymentDetailUserID = M_UserID
			 WHERE
			 SupplierPaymentID = {$orderid}
			 GROUP BY SupplierPaymentDetailID";
        $query = $this->db_onedev->query($sql);
        if ($query) {
            $rows = $query->result_array();
            if ($rows) {
            }
            return $rows;
        } else {
            $this->sys_error_db("get notes", $this->db_onedev);
            exit;
        }
    }

    public function search_old()
    {
        //# cek token valid
        if (! $this->isLogin) {
            $this->sys_error("Invalid Token");
            exit;
        }

        $prm = $this->sys_input;
        $supplier = $prm["supplier"];
        $search = $prm["search"];
        $status = $prm["status"];
        $startdate = $prm["startdate"];
        $enddate = $prm["enddate"];
        $regionalid = $this->sys_user['S_RegionalID'];

        $number_limit = 10;
        $number_offset = ($prm['current_page'] - 1) * $number_limit;

        $where = "SupplierInvoiceIsActive = 'Y'
    AND SupplierInvoiceStatus = 'Approved'
    AND SupplierInvoiceGrandTotal > 0
    AND IF(SupplierPaymentID IS NULL,'N','Y') = '{$status}'
    AND (SupplierInvoiceNumber LIKE '%{$search}%' AND SupplierName LIKE '%{$supplier}%')
    AND ReceiveOrderPoS_RegionalID = {$regionalid}
    AND SupplierInvoiceDraftPaymentDate BETWEEN '{$startdate}' AND '{$enddate}'";




        $sql = "	SELECT count(*) as total
    	FROM supplier_invoice
    	JOIN jurnal_addon ON jurnalAddOnValue = SupplierInvoiceNumber
    	LEFT JOIN supplier_payment ON SupplierInvoiceID = SupplierPaymentSupplierInvoiceID AND SupplierPaymentIsActive = 'Y'
    	LEFT JOIN supplier ON SupplierInvoiceSupplierID = SupplierID
    	JOIN receive_order_po ON SupplierInvoiceReceiveOrderPoID = ReceiveOrderPoID
    	WHERE
    	$where
    	";
        // echo $sql;
        $query = $this->db_onedev->query($sql, $sql_param);


        $tot_count = 0;
        $tot_page = 0;
        if ($query) {
            $tot_count = $query->result_array()[0]["total"];
            $tot_page = ceil($tot_count / $number_limit);
        } else {
            $this->sys_error_db("supplier_invoice count", $this->db_onedev);
            exit;
        }


        $sql =     "SELECT supplier_invoice.*,
    	SupplierName,
    	'' M_MouName,
    	0 as totalbill,
    	0 as paid,
    	0 as unpaid,
    	SupplierInvoiceIsLunas as flaglunas,
    	0 as SupplierPaymentID,
    	'' as SupplierPaymentNumber,
    	0 as SupplierPaymentAmount,
    	'' as SupplierPaymentDate,
    	'' as SupplierInvoiceIssueRefNumber,
    	'' as notes,
    	'' as tagihans,
    	'N' as isbillterpusat,
    	DATE_FORMAT(SupplierInvoiceDraftPaymentDate,'%d-%m-%Y') as tanggalbayar,
    	DATE_FORMAT(SupplierInvoiceDraftPaymentDate,'%d%m%Y') as tanggalbayartext,
    	IF(SupplierPaymentID IS NULL,'N','Y') as status_invoice,
    	IFNULL(SupplierPaymentIsApproved,'N') as SupplierPaymentIsApproved,
    	IFNULL(SupplierPaymentIsVerif,'N') as SupplierPaymentIsVerif,
    	IFNULL(SupplierPaymentCashierNumber,'') SupplierPaymentCashierNumber

    	FROM supplier_invoice
    	LEFT JOIN supplier ON SupplierInvoiceSupplierID = SupplierID
    	JOIN jurnal_addon ON jurnalAddOnValue = SupplierInvoiceNumber
    	JOIN receive_order_po ON SupplierInvoiceReceiveOrderPoID = ReceiveOrderPoID
    	LEFT JOIN supplier_payment ON SupplierPaymentSupplierInvoiceID = SupplierInvoiceID AND SupplierPaymentIsActive = 'Y'
    	WHERE
    	$where
    	GROUP BY SupplierInvoiceID
    	ORDER BY SupplierInvoiceID ASC
    	limit $number_limit offset $number_offset";
        //echo $sql;
        $query = $this->db_onedev->query($sql, $sql_param);
        $rows = $query->result_array();
        if ($rows) {
            foreach ($rows as $k => $v) {
                $s_payment = $this->db_onedev->query("SELECT GROUP_CONCAT(SupplierPaymentNumber SEPARATOR ', ') as SupplierPaymentNumber,
    	SUM(IFNULL(SupplierPaymentAmount,0)) as SupplierPaymentAmount,
    	IFNULL(SupplierPaymentID,0) SupplierPaymentID,
    	GROUP_CONCAT(DATE_FORMAT(SupplierPaymentDate,'%d-%m-%Y') SEPARATOR ', ') as SupplierPaymentDate
    	FROM supplier_payment
    	WHERE SupplierPaymentIsActive = 'Y' AND SupplierPaymentSupplierInvoiceID = {$v['SupplierInvoiceID']}")->row();

                $s_jurnal = $this->db_onedev->query("SELECT SUM(jurnalTxCredit) totalbill
    	FROM supplier_invoice
    	JOIN jurnal_addon ON jurnalAddOnValue = SupplierInvoiceNumber
     	JOIN jurnal_tx ON jurnalTxJurnalID = jurnalAddOnJurnalID AND jurnalTxCredit <> 0 AND jurnalTxCoaID <> 563
    	WHERE SupplierInvoiceID = {$v['SupplierInvoiceID']}
    	GROUP BY SupplierInvoiceID")->row();
                $amount = $s_payment->SupplierPaymentAmount ? $s_payment->SupplierPaymentAmount : "0.00";
                $unpaid = (float)$s_jurnal->totalbill - (float)$amount;
                $rows[$k]['SupplierPaymentID'] = $s_payment->SupplierPaymentID ? $s_payment->SupplierPaymentID : '0';
                $rows[$k]['SupplierPaymentNumber'] = $s_payment->SupplierPaymentNumber ? $s_payment->SupplierPaymentNumber : '';
                $rows[$k]['SupplierPaymentAmount'] = $amount;
                $rows[$k]['SupplierPaymentDate'] = $s_payment->SupplierPaymentDate;
                $rows[$k]['paid'] = $amount;
                $rows[$k]['totalbill'] = $s_jurnal->totalbill ? $s_jurnal->totalbill : "0.00";
                $rows[$k]['unpaid'] = number_format($unpaid, 2, '.', '');

                $rows[$k]['notes'] = $this->add_notes($v['SupplierInvoiceID']);
                $rows[$k]['tagihans'] = $this->add_tagihans($v['SupplierInvoiceID']);
            }
        }


        $result = array("total" => $tot_page, "records" => $rows, "sql" => $this->db_onedev->last_query());
        $this->sys_ok($result);
        exit;
    }

    /**
     * search — unified invoice + downpayment list:
     *   - Only columns the frontend actually reads (no wildcard, no dead aliases)
     *   - UNION ALL merges supplier_invoice and supplier_downpayment
     *   - DP rows enriched via SupplierPaymentSupplierDownpaymentID FK
     *   - All queries use PDO parameterised placeholders
     */
    public function search()
    {
        if (! $this->isLogin) {
            $this->sys_error("Invalid Token");
            exit;
        }

        $prm = $this->sys_input;
        $supplier   = $prm["supplier"];
        $search     = $prm["search"];
        $status     = $prm["status"];
        $startdate  = $prm["startdate"];
        $enddate    = $prm["enddate"];
        $regionalid = $this->sys_user['S_RegionalID'];

        $number_limit  = 10;
        $number_offset = ((int)$prm['current_page'] - 1) * $number_limit;

        // ── INVOICE WHERE ──────────────────────────────────────────
        $inv_where = " SupplierInvoiceIsActive = 'Y'
            AND SupplierInvoiceStatus = 'Approved'
            AND SupplierInvoiceGrandTotal > 0
            AND SupplierInvoiceIsInstallment = 'N'
            AND IF(SupplierPaymentID IS NULL,'N','Y') = ?
            AND SupplierInvoiceNumber LIKE ?
            AND SupplierName LIKE ?
            AND ReceiveOrderPoS_RegionalID = ?
            AND SupplierInvoiceDraftPaymentDate BETWEEN ? AND ? ";

        $inv_params = [
            $status,
            '%' . $search . '%',
            '%' . $supplier . '%',
            $regionalid,
            $startdate,
            $enddate,
        ];

        // ── DOWNPAYMENT WHERE ──────────────────────────────────────
        $dp_where = " SupplierDownpaymentIsActive = 'Y'
            AND IF(SupplierDownpaymentStatus = 'Paid','Y','N') = ?
            AND PurchaseOrderNumber LIKE ?
            AND SupplierName LIKE ?
            AND PurchaseOrderS_RegionalID = ?
            AND SupplierDownpaymentDueDate BETWEEN ? AND ? ";

        $dp_params = [
            $status,
            '%' . $search . '%',
            '%' . $supplier . '%',
            $regionalid,
            $startdate,
            $enddate,
        ];

        // ── INSTALLMENT WHERE ───────────────────────────────────
        $inst_where = " inst.SupplierInstallmentIsActive = 'Y'
            AND IF(sp.SupplierPaymentID IS NULL,'N','Y') = ?
            AND CONCAT('INST-', si.SupplierInvoiceNumber) LIKE ?
            AND sup.SupplierName LIKE ?
            AND rop.ReceiveOrderPoS_RegionalID = ?
            AND inst.SupplierInstallmentDueDate BETWEEN ? AND ? ";

        $inst_params = [
            $status,
            '%' . $search . '%',
            '%' . $supplier . '%',
            $regionalid,
            $startdate,
            $enddate,
        ];

        // ── COUNT query — UNION of all three sources ────────────
        $sql_count = "SELECT SUM(cnt) as total FROM (
            SELECT count(*) as cnt
            FROM supplier_invoice
            JOIN jurnal_addon ON jurnalAddOnValue = SupplierInvoiceNumber
            LEFT JOIN supplier_payment
                ON SupplierInvoiceID = SupplierPaymentSupplierInvoiceID
                AND SupplierPaymentIsActive = 'Y'
            LEFT JOIN supplier ON SupplierInvoiceSupplierID = SupplierID
            JOIN receive_order_po ON SupplierInvoiceReceiveOrderPoID = ReceiveOrderPoID
            WHERE $inv_where

            UNION ALL

            SELECT count(*) as cnt
            FROM supplier_downpayment
            JOIN purchase_order ON PurchaseOrderID = SupplierDownpaymentPurchasOrderID
            JOIN supplier ON SupplierID = SupplierDownpaymentSupplierID
            WHERE $dp_where

            UNION ALL

            SELECT count(*) as cnt
            FROM supplier_installment inst
            LEFT JOIN supplier_payment sp
                ON sp.SupplierPaymentSupplierInstallmentID = inst.SupplierInstallmentID
                AND sp.SupplierPaymentIsActive = 'Y'
            JOIN supplier_invoice si
                ON si.SupplierInvoiceID = inst.SupplierInstallmentSupplierInvoiceID
            JOIN receive_order_po rop
                ON rop.ReceiveOrderPoID = si.SupplierInvoiceReceiveOrderPoID
            JOIN supplier sup
                ON sup.SupplierID = inst.SupplierInstallmentSupplierID
            WHERE $inst_where
        ) AS combined";

        $count_params = array_merge($inv_params, $dp_params, $inst_params);
        $query = $this->db_onedev->query($sql_count, $count_params);

        $tot_count = 0;
        $tot_page  = 0;
        if ($query) {
            $tot_count = $query->result_array()[0]["total"];
            $tot_page  = ceil($tot_count / $number_limit);
        } else {
            $this->sys_error_db("payment instructions count", $this->db_onedev);
            exit;
        }

        // ── DATA query — UNION with identical columns ──────────────
        $sql_data = "
            SELECT * FROM (
                SELECT
                    SupplierInvoiceID,
                    0                                         as DownpaymentID,
                    0                                         as InstallmentID,
                    SupplierInvoiceNumber,
                    SupplierInvoiceDraftPaymentDate,
                    SupplierInvoiceIsLunas                    as flaglunas,
                    SupplierName,
                    DATE_FORMAT(SupplierInvoiceDraftPaymentDate,'%d-%m-%Y') as tanggalbayar,
                    IFNULL(SupplierPaymentIsApproved,'N')    as SupplierPaymentIsApproved,
                    IFNULL(SupplierPaymentCashierNumber,'')   as SupplierPaymentCashierNumber,
                    0                                         as totalbill,
                    0                                         as paid,
                    0                                         as unpaid,
                    0                                         as SupplierPaymentID,
                    ''                                        as SupplierPaymentNumber,
                    0                                         as SupplierPaymentAmount,
                    ''                                        as SupplierPaymentDate,
                    ''                                        as notes,
                    ''                                        as tagihans,
                    0                                         as parent_invoice_id,
                    'INVOICE'                                 as type
                FROM supplier_invoice
                LEFT JOIN supplier ON SupplierInvoiceSupplierID = SupplierID
                JOIN jurnal_addon ON jurnalAddOnValue = SupplierInvoiceNumber
                JOIN receive_order_po ON SupplierInvoiceReceiveOrderPoID = ReceiveOrderPoID
                LEFT JOIN supplier_payment
                    ON SupplierPaymentSupplierInvoiceID = SupplierInvoiceID
                    AND SupplierPaymentIsActive = 'Y'
                WHERE $inv_where
                GROUP BY SupplierInvoiceID

                UNION ALL

                SELECT
                    0                                             as SupplierInvoiceID,
                    SupplierDownpaymentID                         as DownpaymentID,
                    0                                             as InstallmentID,
                    CONCAT('DP-', PurchaseOrderNumber)            as SupplierInvoiceNumber,
                    SupplierDownpaymentDueDate                    as SupplierInvoiceDraftPaymentDate,
                    SupplierDownpaymentIsLunas                    as flaglunas,
                    SupplierName,
                    DATE_FORMAT(SupplierDownpaymentDueDate,'%d-%m-%Y') as tanggalbayar,
                    IFNULL(SupplierPaymentIsApproved,'N')         as SupplierPaymentIsApproved,
                    IFNULL(SupplierPaymentCashierNumber,'')       as SupplierPaymentCashierNumber,
                    SupplierDownpaymentAmount                     as totalbill,
                    CASE WHEN SupplierDownpaymentStatus = 'Paid'
                         THEN SupplierDownpaymentAmount
                         ELSE 0 END                               as paid,
                    CASE WHEN SupplierDownpaymentStatus = 'Paid'
                         THEN 0
                         ELSE SupplierDownpaymentAmount END       as unpaid,
                    0                                             as SupplierPaymentID,
                    ''                                            as SupplierPaymentNumber,
                    0                                             as SupplierPaymentAmount,
                    ''                                            as SupplierPaymentDate,
                    ''                                            as notes,
                    ''                                            as tagihans,
                    0                                             as parent_invoice_id,
                    'DP'                                          as type
                FROM supplier_downpayment
                JOIN purchase_order ON PurchaseOrderID = SupplierDownpaymentPurchasOrderID
                JOIN supplier ON SupplierID = SupplierDownpaymentSupplierID
                LEFT JOIN supplier_payment
                    ON SupplierPaymentSupplierDownpaymentID = SupplierDownpaymentID
                    AND SupplierPaymentIsActive = 'Y'
                WHERE $dp_where

                UNION ALL

                SELECT
                    0                                                      as SupplierInvoiceID,
                    0                                                      as DownpaymentID,
                    inst.SupplierInstallmentID                             as InstallmentID,
                    CONCAT('INST-', si.SupplierInvoiceNumber)              as SupplierInvoiceNumber,
                    inst.SupplierInstallmentDueDate                        as SupplierInvoiceDraftPaymentDate,
                    inst.SupplierInstallmentIsLunas                        as flaglunas,
                    sup.SupplierName,
                    DATE_FORMAT(inst.SupplierInstallmentDueDate,'%d-%m-%Y') as tanggalbayar,
                    IFNULL(sp.SupplierPaymentIsApproved,'N')               as SupplierPaymentIsApproved,
                    IFNULL(sp.SupplierPaymentCashierNumber,'')             as SupplierPaymentCashierNumber,
                    inst.SupplierInstallmentAmount                         as totalbill,
                    CASE WHEN inst.SupplierInstallmentStatus = 'Paid'
                         THEN inst.SupplierInstallmentAmount
                         ELSE 0 END                                        as paid,
                    CASE WHEN inst.SupplierInstallmentStatus = 'Paid'
                         THEN 0
                         ELSE inst.SupplierInstallmentAmount END           as unpaid,
                    0                                                      as SupplierPaymentID,
                    ''                                                     as SupplierPaymentNumber,
                    0                                                      as SupplierPaymentAmount,
                    ''                                                     as SupplierPaymentDate,
                    ''                                                     as notes,
                    ''                                                     as tagihans,
                    si.SupplierInvoiceID                                   as parent_invoice_id,
                    'INSTALLMENT'                                          as type
                FROM supplier_installment inst
                LEFT JOIN supplier_payment sp
                    ON sp.SupplierPaymentSupplierInstallmentID = inst.SupplierInstallmentID
                    AND sp.SupplierPaymentIsActive = 'Y'
                JOIN supplier_invoice si
                    ON si.SupplierInvoiceID = inst.SupplierInstallmentSupplierInvoiceID
                JOIN receive_order_po rop
                    ON rop.ReceiveOrderPoID = si.SupplierInvoiceReceiveOrderPoID
                JOIN supplier sup
                    ON sup.SupplierID = inst.SupplierInstallmentSupplierID
                WHERE $inst_where
            ) AS combined
            ORDER BY SupplierInvoiceID ASC
            LIMIT ? OFFSET ?";

        $data_params = array_merge($inv_params, $dp_params, $inst_params, [$number_limit, $number_offset]);
        $query = $this->db_onedev->query($sql_data, $data_params);
        if (!$query) {
            $this->sys_error_db("payment instructions data", $this->db_onedev);
            exit;
        }
        $rows  = $query->result_array();

        // ── ENRICH — per-row sub-queries ───────────────────────────
        if ($rows) {
            foreach ($rows as $k => $v) {

                // ── Downpayment branch ──────────────────────────
                if ($v['type'] === 'DP') {
                    $dp_id = $v['DownpaymentID'];

                    $s_payment = $this->db_onedev->query("
                        SELECT
                            GROUP_CONCAT(SupplierPaymentNumber SEPARATOR ', ') as SupplierPaymentNumber,
                            SUM(IFNULL(SupplierPaymentAmount,0))                as SupplierPaymentAmount,
                            IFNULL(SupplierPaymentID,0)                         as SupplierPaymentID,
                            GROUP_CONCAT(
                                DATE_FORMAT(SupplierPaymentDate,'%d-%m-%Y')
                                SEPARATOR ', '
                            )                                                   as SupplierPaymentDate
                        FROM supplier_payment
                        WHERE SupplierPaymentIsActive = 'Y'
                            AND SupplierPaymentSupplierDownpaymentID = ?",
                        [$dp_id]
                    )->row();

                    $amount = $s_payment->SupplierPaymentAmount
                        ? $s_payment->SupplierPaymentAmount
                        : "0.00";
                    $rows[$k]['SupplierPaymentID']     = $s_payment->SupplierPaymentID
                        ? $s_payment->SupplierPaymentID
                        : '0';
                    $rows[$k]['SupplierPaymentNumber'] = $s_payment->SupplierPaymentNumber
                        ? $s_payment->SupplierPaymentNumber
                        : '';
                    $rows[$k]['SupplierPaymentAmount'] = $amount;
                    $rows[$k]['SupplierPaymentDate']   = $s_payment->SupplierPaymentDate;
                    $rows[$k]['paid']                  = $amount;
                    $rows[$k]['notes']                 = $this->add_notes_downpayment($dp_id);
                    $rows[$k]['tagihans']              = [];
                    // totalbill, unpaid already correct from UNION CASE
                    continue;
                }

                // ── Installment branch ─────────────────────────
                if ($v['type'] === 'INSTALLMENT') {
                    $inst_id = $v['InstallmentID'];
                    $parent_invoice_id = $v['parent_invoice_id'];

                    $s_payment = $this->db_onedev->query("
                        SELECT
                            GROUP_CONCAT(SupplierPaymentNumber SEPARATOR ', ') as SupplierPaymentNumber,
                            SUM(IFNULL(SupplierPaymentAmount,0))                as SupplierPaymentAmount,
                            IFNULL(SupplierPaymentID,0)                         as SupplierPaymentID,
                            GROUP_CONCAT(
                                DATE_FORMAT(SupplierPaymentDate,'%d-%m-%Y')
                                SEPARATOR ', '
                            )                                                   as SupplierPaymentDate
                        FROM supplier_payment
                        WHERE SupplierPaymentIsActive = 'Y'
                            AND SupplierPaymentSupplierInstallmentID = ?",
                        [$inst_id]
                    )->row();

                    $amount = $s_payment->SupplierPaymentAmount
                        ? $s_payment->SupplierPaymentAmount
                        : "0.00";
                    $rows[$k]['SupplierPaymentID']     = $s_payment->SupplierPaymentID
                        ? $s_payment->SupplierPaymentID
                        : '0';
                    $rows[$k]['SupplierPaymentNumber'] = $s_payment->SupplierPaymentNumber
                        ? $s_payment->SupplierPaymentNumber
                        : '';
                    $rows[$k]['SupplierPaymentAmount'] = $amount;
                    $rows[$k]['SupplierPaymentDate']   = $s_payment->SupplierPaymentDate;
                    $rows[$k]['paid']                  = $amount;
                    $rows[$k]['notes']                 = $this->add_notes_installment($inst_id);
                    $rows[$k]['tagihans']              = $this->add_tagihans($parent_invoice_id);
                    // totalbill, unpaid already correct from UNION CASE
                    continue;
                }

                // ── Invoice branch ───────────────────────────────
                $inv_id = $v['SupplierInvoiceID'];

                $s_payment = $this->db_onedev->query("
                    SELECT
                        GROUP_CONCAT(SupplierPaymentNumber SEPARATOR ', ') as SupplierPaymentNumber,
                        SUM(IFNULL(SupplierPaymentAmount,0))                as SupplierPaymentAmount,
                        IFNULL(SupplierPaymentID,0)                         as SupplierPaymentID,
                        GROUP_CONCAT(
                            DATE_FORMAT(SupplierPaymentDate,'%d-%m-%Y')
                            SEPARATOR ', '
                        )                                                   as SupplierPaymentDate
                    FROM supplier_payment
                    WHERE SupplierPaymentIsActive = 'Y'
                        AND SupplierPaymentSupplierInvoiceID = ?",
                    [$inv_id]
                )->row();

                $s_jurnal = $this->db_onedev->query("
                    SELECT SUM(jurnalTxCredit) totalbill
                    FROM supplier_invoice
                    JOIN jurnal_addon ON jurnalAddOnValue = SupplierInvoiceNumber
                    JOIN jurnal_tx
                        ON jurnalTxJurnalID = jurnalAddOnJurnalID
                        AND jurnalTxCredit <> 0
                        AND jurnalTxCoaID <> 563
                    WHERE SupplierInvoiceID = ?
                    GROUP BY SupplierInvoiceID",
                    [$inv_id]
                )->row();

                $amount = $s_payment->SupplierPaymentAmount
                    ? $s_payment->SupplierPaymentAmount
                    : "0.00";
                $unpaid = (float)$s_jurnal->totalbill - (float)$amount;

                $rows[$k]['SupplierPaymentID']     = $s_payment->SupplierPaymentID
                    ? $s_payment->SupplierPaymentID
                    : '0';
                $rows[$k]['SupplierPaymentNumber'] = $s_payment->SupplierPaymentNumber
                    ? $s_payment->SupplierPaymentNumber
                    : '';
                $rows[$k]['SupplierPaymentAmount'] = $amount;
                $rows[$k]['SupplierPaymentDate']   = $s_payment->SupplierPaymentDate;
                $rows[$k]['paid']                  = $amount;
                $rows[$k]['totalbill']             = $s_jurnal->totalbill
                    ? $s_jurnal->totalbill
                    : "0.00";
                $rows[$k]['unpaid']                = number_format($unpaid, 2, '.', '');

                $rows[$k]['notes']    = $this->add_notes($inv_id);
                $rows[$k]['tagihans'] = $this->add_tagihans($inv_id);
            }
        }

        $result = array("total" => $tot_page, "records" => $rows);
        $this->sys_ok($result);
        exit;
    }
}