<?php
defined('BASEPATH') or exit('No direct script access allowed');

require_once(APPPATH . 'libraries/fpdf/fpdf.php');

// =============================================================================
// Custom FPDF: override Footer() agar tampil otomatis di SETIAP halaman
// =============================================================================
class ReceiveOrderAssetFpdf extends FPDF
{
   public $printUsername = '-';
   public $printDate     = '';

   public function __construct($orientation = 'P', $unit = 'mm', $size = 'A4')
   {
      parent::__construct($orientation, $unit, $size);
      // Daftarkan Arial Narrow — file font ada di fpdf/font/Arial_Narrow.php
      $this->AddFont('Arial_Narrow', '',  'Arial_Narrow.php');   // regular
      $this->AddFont('Arial_Narrow', 'B', 'Arial_Narrow_B.php'); // bold (Liberation Sans Narrow Bold)
   }

   public function Footer()
   {
      $pageW = $this->GetPageWidth() - 30; // sama dengan margin 15+15

      // ── Posisi: 20mm dari bawah halaman ──────────────────────────────────
      $this->SetY(-20);

      // ── Baris 1: Print Oleh (kiri) | Nomor Halaman (tengah) ───────────────
      $colSide   = ($pageW - 40) / 2;
      $colCenter = 40;

      $this->SetFont('Arial_Narrow', '', 7);
      $this->Cell($colSide,   4, 'Print Oleh : ' . $this->printUsername, 0, 0, 'L');
      $this->Cell($colCenter, 4, $this->PageNo() . ' / {nb}',            0, 0, 'C');
      $this->Cell($colSide,   4, '',                                      0, 1, 'R');

      // ── Baris 2: Tgl Print (kiri) ──────────────────────────────────────────
      $this->SetFont('Arial_Narrow', '', 7);
      $this->Cell($colSide, 4, 'Tgl Print   : ' . $this->printDate, 0, 0, 'L');
      $this->Cell($colCenter + $colSide, 4, '', 0, 1, 'L');
   }
}

// =============================================================================
// Controller
// =============================================================================
class Rpt_receive_order_asset extends MY_Controller
{
   // ── Properti bersama antar fungsi PDF ─────────────────────────────────────
   /** @var ReceiveOrderAssetFpdf */
   private $_pdf;
   private $_pageW;
   private $_header_data;
   private $_username;

   public function __construct()
   {
      parent::__construct();
   }

   public function index()
   {
      echo "Receive Order Asset Report API";
   }

   // =========================================================================
   // ENDPOINT: pdf
   // GET/POST: id (ReceiveOrderPoID), username (opsional)
   // =========================================================================
   public function pdf()
   {
      try {
         $id       = intval($this->input->get_post('id'));
         $username = trim($this->input->get_post('username') ?? '');

         if ($id <= 0) {
            $this->sys_error("ID tidak valid");
            exit;
         }

         // ── Ambil data header & detail dari DB ────────────────────────────
         $header  = $this->_get_header($id);
         $details = $this->_get_detail($id);

         // ── Inisialisasi FPDF custom ──────────────────────────────────────
         $this->_pdf                  = new ReceiveOrderAssetFpdf('P', 'mm', 'A4');
         $this->_pdf->printUsername   = $username !== '' ? $username : '-';
         $this->_pdf->printDate       = date('d-m-Y H:i:s');
         $this->_pageW                = $this->_pdf->GetPageWidth() - 30;
         $this->_header_data          = $header;
         $this->_username             = $this->_pdf->printUsername;

         $this->_pdf->AliasNbPages();                 // aktifkan alias total halaman
         $this->_pdf->SetMargins(15, 15, 15);
         $this->_pdf->SetAutoPageBreak(true, 22);     // 22mm ruang footer di bawah
         $this->_pdf->AddPage();

         // ── Susun isi halaman ─────────────────────────────────────────────
         $this->_pdf_header();
         $this->_pdf_data($details);
         $this->_pdf_inspeksi($details);
         $this->_pdf_terms();

         // ── Output ────────────────────────────────────────────────────────
         $filename = 'RI_PO_ASSET_' . str_replace('/', '-', $header['ReceiveOrderPoNumber']) . '.pdf';
         header('Content-Type: application/pdf');
         header('Content-Disposition: inline; filename="' . $filename . '"');
         header('Cache-Control: private, max-age=0, must-revalidate');
         header('Pragma: public');
         echo $this->_pdf->Output('S');
      } catch (Exception $exc) {
         $this->sys_error($exc->getMessage());
      }
   }

   // =========================================================================
   // DATABASE: Ambil data header
   // =========================================================================
   private function _get_header($id)
   {
      $sql = "
         SELECT
            rop.*,
            sup.SupplierName,
            sup.SupplierAddress,
            sup.SupplierPhone,
            b.M_BranchName,
            b.M_BranchAddress,
            r.S_RegionalName,
            wh.WarehouseName AS ReceivedWarehouseName,
            IFNULL(uCr.M_UserUsername, '') AS CreatedByName,
            IFNULL(uCf.M_UserUsername, '') AS ConfirmedByName,
            IFNULL((
               SELECT po.PurchaseOrderShippingCost 
               FROM receive_order_po_detail d
               JOIN purchase_order po ON po.PurchaseOrderID = d.ReceiveOrderPoDetailPurchaseOrderID
               WHERE d.ReceiveOrderPoDetailReceiveOrderPoID = rop.ReceiveOrderPoID
                 AND d.ReceiveOrderPoDetailIsActive = 'Y'
               LIMIT 1
            ), 0) AS PoShippingCostAmount,
            IFNULL((
               SELECT po.PurchaseOrderShippingCostStatus 
               FROM receive_order_po_detail d
               JOIN purchase_order po ON po.PurchaseOrderID = d.ReceiveOrderPoDetailPurchaseOrderID
               WHERE d.ReceiveOrderPoDetailReceiveOrderPoID = rop.ReceiveOrderPoID
                 AND d.ReceiveOrderPoDetailIsActive = 'Y'
               LIMIT 1
            ), 'N') AS PoShippingCostIsPaid
         FROM receive_order_po rop
         LEFT JOIN supplier   sup ON sup.SupplierID = rop.ReceiveOrderPoSupplierID
         LEFT JOIN m_branch   b   ON b.M_BranchCode = rop.ReceiveOrderPoM_BranchCode
         LEFT JOIN s_regional r   ON r.S_RegionalID = rop.ReceiveOrderPoS_RegionalID
         LEFT JOIN warehouse  wh  ON wh.WarehouseID = rop.ReceiveOrderPoWarehouseID
         LEFT JOIN m_user     uCr ON uCr.M_UserID   = rop.ReceiveOrderPoCreatedUserID
         LEFT JOIN m_user     uCf ON uCf.M_UserID   = rop.ReceiveOrderPoConfirmedUserID
         WHERE rop.ReceiveOrderPoIsActive = 'Y'
           AND rop.ReceiveOrderPoID = ?
         LIMIT 1
      ";
      $qry = $this->db->query($sql, array($id));
      if (!$qry || $qry->num_rows() === 0) {
         $this->sys_error("Data Penerimaan PO tidak ditemukan");
         exit;
      }
      return $qry->row_array();
   }

   // =========================================================================
   // DATABASE: Ambil data detail
   // =========================================================================
   private function _get_detail($id)
   {
      $sql = "
         SELECT
            ropd.*,
            item.M_ItemCode,
            item.M_ItemDesc,
            iu.ItemUnitName,
            iu.ItemUnitCode,
            po.PurchaseOrderNumber,
            uP.M_UserUsername AS StaffPenerima,
            insp.ReceiveOrderPoInspeksiPengirim AS StaffPengirim,
            insp.ReceiveOrderPoInspeksiKeadaanKemasan AS KeadaanKemasan,
            insp.ReceiveOrderPoInspeksiKondisiPengiriman AS KondisiPengiriman,
            insp.ReceiveOrderPoInspeksiSimpulan AS Simpulan,
            insp.ReceiveOrderPoInspeksiCatatan AS CatatanInspeksi
         FROM receive_order_po_detail ropd
         JOIN m_item item ON item.M_ItemID = ropd.ReceiveOrderPoItemID
            AND item.M_ItemIsActive = 'Y'
         LEFT JOIN itemunit iu ON iu.ItemUnitID = ropd.ReceiveOrderPoItemUnitID
            AND iu.ItemUnitIsActive = 'Y'
         LEFT JOIN purchase_order po ON po.PurchaseOrderID = ropd.ReceiveOrderPoDetailPurchaseOrderID
         LEFT JOIN receive_order_po_inspeksi insp ON insp.ReceiveOrderPoInspeksiReceiveOrderPoDetailID = ropd.ReceiveOrderPoDetailID
            AND insp.ReceiveOrderPoInspeksiIsActive = 'Y'
         LEFT JOIN m_user uP ON uP.M_UserID = insp.ReceiveOrderPoInspeksiStaffPenerimaID
         WHERE ropd.ReceiveOrderPoDetailIsActive = 'Y'
           AND ropd.ReceiveOrderPoDetailReceiveOrderPoID = ?
         ORDER BY ropd.ReceiveOrderPoDetailID ASC
      ";
      $qry = $this->db->query($sql, array($id));
      return $qry ? $qry->result_array() : array();
   }

   // =========================================================================
   // PDF SECTION: Header — Judul + Informasi Dokumen (2 kolom)
   // =========================================================================
   private function _pdf_header()
   {
      $pdf    = $this->_pdf;
      $pageW  = $this->_pageW;
      $header = $this->_header_data;

      // ── Judul utama ───────────────────────────────────────────────────────
      $pdf->SetFont('Arial_Narrow', 'B', 14);
      $pdf->Cell($pageW, 8, 'PENERIMAAN BARANG PO ASET (RECEIVE PO ASSET)', 0, 1, 'L');
      $pdf->SetDrawColor(0, 0, 0);
      $pdf->SetLineWidth(0.5);
      $pdf->Line(15, $pdf->GetY(), 15 + $pageW, $pdf->GetY());
      $pdf->Ln(2);

      $startY = $pdf->GetY();
      $halfW  = $pageW / 2;
      $lblW   = 28;
      $valW   = $halfW - $lblW - 4;

      // ── Kolom Kiri ────────────────────────────────────────────────────────
      $pdf->SetY($startY);

      $leftItems = array(
         array('Nomor',       $header['ReceiveOrderPoNumber'], true),
         array('Tanggal',     $this->_fmt_date($header['ReceiveOrderPoIDate']), false),
         array('Gudang Penerima', $header['ReceivedWarehouseName'] ?: '-', false),
      );

      foreach ($leftItems as $item) {
         $pdf->SetX(15);
         $pdf->SetFont('Arial_Narrow', '', 9);
         $pdf->Cell($lblW, 5, $item[0], 0, 0, 'L');
         $pdf->Cell(4,    5, ':', 0, 0, 'C');
         if ($item[2]) {
            $pdf->SetFont('Arial_Narrow', 'B', 9);
         } else {
            $pdf->SetFont('Arial_Narrow', '', 9);
         }
         $pdf->Cell($valW, 5, $item[1], 0, 1, 'L');
      }

      // Keterangan / Note langsung di bawah Ruangan (tanpa spasi vertikal)
      if (!empty($header['ReceiveOrderPoNote'])) {
         $pdf->SetX(15);
         $pdf->SetFont('Arial_Narrow', '', 9);
         $pdf->Cell($lblW, 5, 'Keterangan', 0, 0, 'L');
         $pdf->Cell(4,    5, ':', 0, 0, 'C');
         $pdf->MultiCell($valW, 5, $header['ReceiveOrderPoNote'], 0, 'L');
      }
      $leftY = $pdf->GetY();

      // ── Kolom Kanan ───────────────────────────────────────────────────────
      $pdf->SetY($startY);
      $rightX = 15 + $halfW;

      $rightItems = array(
         array('Supplier',         $header['SupplierName'] ?: '-'),
         array('Alamat Supplier',  $header['SupplierAddress'] ?: '-'),
         array('Telp Supplier',    $header['SupplierPhone'] ?: '-'),
         array('Cabang',           $header['M_BranchName'] ?: '-'),
         array('Alamat Penerima',  $header['M_BranchAddress'] ?: '-'),
      );

      foreach ($rightItems as $item) {
         $pdf->SetX($rightX);
         $pdf->SetFont('Arial_Narrow', '', 9);
         $pdf->Cell($lblW, 5, $item[0], 0, 0, 'L');
         $pdf->Cell(4,    5, ':', 0, 0, 'C');
         $pdf->SetFont('Arial_Narrow', '', 9);

         if ($item[0] === 'Alamat Supplier' || $item[0] === 'Alamat Penerima') {
            $pdf->MultiCell($valW, 5, $item[1], 0, 'L');
         } else {
            $pdf->Cell($valW, 5, $item[1], 0, 1, 'L');
         }
      }
      $rightY = $pdf->GetY();

      // Posisikan Y ke yang paling bawah + margin
      $pdf->SetY(max($leftY, $rightY) + 4);
   }

   // =========================================================================
   // PDF SECTION: Data — Tabel detail item
   // =========================================================================
   private function _pdf_data($details)
   {
      $pdf    = $this->_pdf;
      $pageW  = $this->_pageW;
      $header = $this->_header_data;

      // ── Definisi kolom: [label, lebar, align] ─────────────────────────────
      // Total lebar = 180mm (A4 portrait: 210 - margin 15 kiri - 15 kanan)
      // 8 + 75 + 23 + 15 + 27 + 32 = 180
      $cols = array(
         array('No',                8,  'C'),
         array('Nama',     75, 'L'),
         array('Unit',              23, 'C'),
         array('Qty',               15, 'C'),
         array('Harga',             27, 'R'),
         array('Total',             32, 'R'),
      );

      // Header kolom
      $pdf->SetLineWidth(0.3); // border medium
      $pdf->SetFont('Arial_Narrow', 'B', 8);
      $pdf->SetFillColor(220, 220, 220);
      $pdf->SetDrawColor(0, 0, 0);
      foreach ($cols as $c) {
         $pdf->Cell($c[1], 7, $c[0], 1, 0, 'C', true);
      }
      $pdf->Ln();

      // Baris data
      $pdf->SetLineWidth(0.2); // border lebih tipis di data
      $pdf->SetFont('Arial_Narrow', '', 8);
      $pdf->SetFillColor(255, 255, 255);
      $no        = 1;
      $grand_tot = 0;

      foreach ($details as $d) {
         $pdf->Cell($cols[0][1], 6, $no,                                                         1, 0, 'C');
         $pdf->Cell($cols[1][1], 6, $d['M_ItemDesc'] ?: ($d['M_ItemCode'] ?: '-'),               1, 0, 'L');
         $pdf->Cell($cols[2][1], 6, $d['ItemUnitName'] ?: ($d['ItemUnitCode'] ?: '-'),           1, 0, 'C');
         $pdf->Cell($cols[3][1], 6, $this->_fmt_qty($d['ReceiveOrderPoDetailQty']),               1, 0, 'C');
         $pdf->Cell($cols[4][1], 6, $this->_fmt_rp($d['ReceiveOrderPoDetailPrice']),             1, 0, 'R');
         $pdf->Cell($cols[5][1], 6, $this->_fmt_rp($d['ReceiveOrderPoDetailTotal']),             1, 0, 'R');
         $pdf->Ln();

         $grand_tot += floatval($d['ReceiveOrderPoDetailTotal']);
         $no++;
      }

      // Baris TOTAL
      $span = array_sum(array_column(array_slice($cols, 0, 5), 1));
      $pdf->SetLineWidth(0.3);
      $pdf->SetFont('Arial_Narrow', 'B', 9); // bold + size 9 agar menonjol
      $pdf->SetFillColor(220, 220, 220);
      $pdf->Cell($span,        7, 'TOTAL',                     1, 0, 'R', true);
      $pdf->Cell($cols[5][1], 7, $this->_fmt_rp($grand_tot),  1, 0, 'R', true);

      // Ringkasan Biaya jika ada Biaya Ekspedisi (mendukung fallback dari PO)
      $shippingCost = floatval($header['ReceiveOrderShippingCostAmount'] ?? 0);
      $isPaid       = $header['ReceiveOrderShippingCostIsPaid'] ?? 'N';

      if ($shippingCost <= 0) {
         $shippingCost = floatval($header['PoShippingCostAmount'] ?? 0);
         $isPaid       = $header['PoShippingCostIsPaid'] ?? 'N';
      }

      if ($shippingCost > 0) {
         $pdf->Ln(7);
         $grandTotal = $grand_tot + $shippingCost;
         $statusPaid = ($isPaid === 'Y') ? ' (Lunas)' : ' (Belum Lunas)';
         $summary = array(
            array('Total Item',      $this->_fmt_rp($grand_tot)),
            array('Biaya Ekspedisi' . $statusPaid,  $this->_fmt_rp($shippingCost)),
            array('Grand Total',      $this->_fmt_rp($grandTotal)),
         );

         $cW1     = 27;
         $cW2     = 32;
         $offsetX = 15 + array_sum(array_column(array_slice($cols, 0, 4), 1));

         foreach ($summary as $s) {
            $pdf->SetX($offsetX);
            $pdf->SetFont('Arial_Narrow', '', 8);
            $pdf->Cell($cW1, 5, $s[0], 0, 0, 'L');
            $pdf->SetFont('Arial_Narrow', 'B', 8);
            $pdf->Cell($cW2, 5, $s[1], 0, 1, 'R');
         }
         $pdf->Ln(8);
      } else {
         $pdf->Ln(8);
      }
   }

   // PDF SECTION: Inspeksi & Verifikasi Barang / Aset (Blok Terpisah)
   // =========================================================================
   private function _pdf_inspeksi($details)
   {
      $pdf   = $this->_pdf;
      $pageW = $this->_pageW;

      // Cek apakah ada data inspeksi yang terisi
      $hasInspeksi = false;
      foreach ($details as $d) {
         if (!empty($d['Simpulan']) || !empty($d['StaffPenerima']) || !empty($d['CatatanInspeksi'])) {
            $hasInspeksi = true;
            break;
         }
      }

      if (!$hasInspeksi) {
         return;
      }

      $pdf->Ln(2);
      $pdf->SetFont('Arial_Narrow', 'B', 10);
      $pdf->Cell($pageW, 6, 'DETAIL HASIL INSPEKSI BARANG / ASET', 0, 1, 'L');
      
      $pdf->SetLineWidth(0.3);
      $pdf->Line(15, $pdf->GetY(), 15 + $pageW, $pdf->GetY());
      $pdf->Ln(2);

      $no = 1;
      foreach ($details as $d) {
         // Lewati jika item ini tidak memiliki data inspeksi sama sekali
         if (empty($d['Simpulan']) && empty($d['StaffPenerima']) && empty($d['CatatanInspeksi'])) {
            continue;
         }

         $pdf->SetFont('Arial_Narrow', 'B', 9);
         $pdf->Cell($pageW, 5, $no . '. ' . ($d['M_ItemDesc'] ?: ($d['M_ItemCode'] ?: '-')), 0, 1, 'L');

         // Indentasi isi detail inspeksi
         $lblW = 32;
         $valW = $pageW - $lblW - 4;

         $items = array(
            array('Staff Penerima',     $d['StaffPenerima'] ?: '-'),
            array('Kurir Pengirim',     $d['StaffPengirim'] ?: '-'),
            array('Keadaan Kemasan',    $d['KeadaanKemasan'] ?: '-'),
            array('Kondisi Pengiriman',  $d['KondisiPengiriman'] ?: '-'),
            array('Simpulan Hasil',     $d['Simpulan'] ?: '-'),
            array('Catatan Inspeksi',   $d['CatatanInspeksi'] ?: '-'),
         );

         foreach ($items as $item) {
            $pdf->SetX(18); // Indent slightly to the right
            $pdf->SetFont('Arial_Narrow', '', 9);
            $pdf->Cell($lblW, 5, $item[0], 0, 0, 'L');
            $pdf->Cell(4,    5, ':', 0, 0, 'C');
            $pdf->MultiCell($valW, 5, $item[1], 0, 'L');
         }
         
         $pdf->Ln(2);
         $pdf->SetDrawColor(200, 200, 200);
         $pdf->SetLineWidth(0.1);
         $pdf->Line(15, $pdf->GetY(), 15 + $pageW, $pdf->GetY());
         $pdf->Ln(2);
         $pdf->SetDrawColor(0, 0, 0); // restore black
         $no++;
      }
   }

   // =========================================================================
   // PDF SECTION: Syarat & Ketentuan
   // =========================================================================
   private function _pdf_terms()
   {
      $pdf   = $this->_pdf;
      $pageW = $this->_pageW;

      $terms = array(
         'Barang aset yang diterima telah dicocokkan dengan fisik barang dan Purchase Order asli.',
         'Penempatan barang aset disesuaikan dengan Ruangan/Lokasi yang tertera di dokumen ini.',
         'Penerimaan barang aset ini akan otomatis didaftarkan ke sistem manajemen aset perusahaan.',
         'Dokumen ini dicetak secara otomatis dan sah sebagai bukti penerimaan barang masuk.'
      );

      $pdf->SetFont('Arial_Narrow', 'B', 9);
      $pdf->Cell($pageW, 5, 'Syarat & Ketentuan:', 0, 1, 'L');

      $pdf->SetFont('Arial_Narrow', '', 8);
      foreach ($terms as $i => $t) {
         $pdf->Cell(6,            5, ($i + 1) . '.', 0, 0, 'R');
         $pdf->Cell($pageW - 6,   5, $t,             0, 1, 'L');
      }
   }

   // =========================================================================
   // HELPER: Format tampilan
   // =========================================================================
   private function _fmt_date($d)
   {
      if (!$d || $d === '0000-00-00') return '-';
      return date('d-m-Y', strtotime($d));
   }

   private function _fmt_datetime($d)
   {
      if (!$d || $d === '0000-00-00 00:00:00') return '-';
      return date('d-m-Y H:i', strtotime($d));
   }

   private function _fmt_num($n)
   {
      return number_format(floatval($n), 2, ',', '.');
   }

   // format jumlah/qty: tanpa desimal
   private function _fmt_qty($n)
   {
      return number_format(floatval($n), 0, ',', '.');
   }

   private function _fmt_rp($n)
   {
      return 'Rp ' . number_format(floatval($n), 2, ',', '.');
   }
}
