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

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

class PDF extends FPDF
{   
    private $maxWidth = 190;
    private $nama;
    private $alamat;
    private $telepon;
    private $logo;

    public function setHeaderData($nama, $alamat, $telepon, $logo='')
    {
        $this->nama = $nama;
        $this->alamat = $alamat;
        $this->telepon = $telepon;
        $this->logo = $logo;
    }

    function Header()
    {
        // Logo
        $this->Image($this->logo, 10, 8, 22, 22); // Path ke logo Anda, x, y, width
        $this->SetXY(35, 11);
        $this->SetFont('Arial', 'B', 14);
        $this->Cell(0, 6, $this->nama, 0, 1, 'L');
        $this->SetFont('Arial', 'I', 10);
        $this->SetXY(35, 17);
        $this->Cell(0, 6, $this->alamat, 0, 1, 'L');
        $this->SetXY(35, 23);
        $this->Cell(0, 6, 'Phone: '.$this->telepon, 0, 1, 'L');
        $this->Ln(14);

        // Garis Horizontal
        $this->SetLineWidth(0.8); // Ketebalan garis
        $this->Line(10, 33, 200, 33); // x1, y1, x2, y2 (x1, y1 = start; x2, y2 = end)
        $this->SetLineWidth(0.4);
        $this->Line(10, 34, 200, 34);

        $this->SetTextColor(255, 140, 0);
        $this->SetFont('Arial', 'B', 20);
        $this->Cell(0, -56, 'INVOICE', 0, 1, 'R');
        $this->Ln(50);
    }

    function Footer()
    {
        $this->SetY(-15);
        $this->SetFont('Arial', 'I', 8);
        $this->Cell(0, 10, 'Page ' . $this->PageNo(), 0, 0, 'C');
    }

    function CustomerDetails($customerName, $customerAddress, $invoiceNumber, $invoiceDate, $customerNumber, $invoiceLimit)
    {
        $this->SetFont('Arial', 'B', 11);
        $this->Cell(0, 6, 'Bill To:', 0, 1);
        $this->SetFont('Arial', '', 11);
        $this->Cell(0, 6, $customerName, 0, 1);
        $this->MultiCell(0, 7, $customerAddress);
        $this->Cell(0, 6, $customerNumber, 0, 1);
        $this->Ln(10);

        $this->SetFont('Arial', '', 11);
        $this->SetXY(140, 37);
        $this->Cell(0, 6, "No Invoice    : $invoiceNumber", 0, 1);
        $this->SetXY(140, 44);
        $this->Cell(0, 6, "Invoice Date : $invoiceDate", 0, 1);
        $this->SetXY(140, 51);
        $this->Cell(0, 6, "Limit Invoice : $invoiceLimit", 0, 1);
        $this->Ln(10);
    }
    
    function InvoiceTable($header, $data)
    {
        // 🔥 7 kolom sekarang
        $columnWidths = array(8, 22, 30, 70, 15, 20, 25); 
        $totalWidth = array_sum($columnWidths);

        // scaling biar tetap muat
        $scalingFactor = $this->maxWidth / $totalWidth;

        // header style
        $this->SetFillColor(255, 140, 0);
        $this->SetFont('Arial', '', 10);

        // ================= HEADER =================
        for ($i = 0; $i < count($header); $i++) {
            $this->Cell($columnWidths[$i] * $scalingFactor, 8, $header[$i], 1, 0, 'C', true);
        }
        $this->Ln();

        // ================= DATA =================
        $this->SetFont('Arial', '', 10);

        foreach ($data as $row) {

            // hitung multiline
            $nbDesc   = $this->NbLines($columnWidths[2] * $scalingFactor, $row[2]);
            $nbKet    = $this->NbLines($columnWidths[3] * $scalingFactor, $row[3]);

            $maxHeight = 8 * max($nbDesc, $nbKet);

            // pagination
            if ($this->GetY() + $maxHeight > $this->PageBreakTrigger) {
                $this->AddPage();

                $this->SetFillColor(255, 140, 0);
                $this->SetFont('Arial', '', 10);

                for ($i = 0; $i < count($header); $i++) {
                    $this->Cell($columnWidths[$i] * $scalingFactor, 8, $header[$i], 1, 0, 'C', true);
                }
                $this->Ln();

                $this->SetFont('Arial', '', 10);
            }

            $x = $this->GetX();
            $y = $this->GetY();

            // 1. No
            $this->Cell($columnWidths[0] * $scalingFactor, $maxHeight, $row[0], 1, 0, 'C');

            // 2. Tanggal
            $this->Cell($columnWidths[1] * $scalingFactor, $maxHeight, $row[1], 1, 0, 'C');

            // 3. Nama Item (multiline)
            $this->SetXY($x + ($columnWidths[0] + $columnWidths[1]) * $scalingFactor, $y);
            $this->MultiCell(
                $columnWidths[2] * $scalingFactor,
                $maxHeight / max(1, $nbDesc),
                $row[2],
                1,
                'L'
            );

            // 4. Keterangan (multiline)
            $this->SetXY($x + ($columnWidths[0] + $columnWidths[1] + $columnWidths[2]) * $scalingFactor, $y);
            $this->MultiCell(
                $columnWidths[3] * $scalingFactor,
                $maxHeight / max(1, $nbKet),
                $row[3],
                1,
                'L'
            );

            // 5. Qty
            $this->SetXY($x + ($columnWidths[0] + $columnWidths[1] + $columnWidths[2] + $columnWidths[3]) * $scalingFactor, $y);
            $this->Cell($columnWidths[4] * $scalingFactor, $maxHeight, $row[4], 1, 0, 'C');

            // 6. Harga
            $this->Cell($columnWidths[5] * $scalingFactor, $maxHeight, $row[5], 1, 0, 'R');

            // 7. Subtotal
            $this->Cell($columnWidths[6] * $scalingFactor, $maxHeight, $row[6], 1, 0, 'R');

            $this->Ln($maxHeight);
        }
    }

    // Fungsi tambahan untuk menghitung jumlah baris Multicell
    function NbLines($w, $txt)
    {
        // Hitung jumlah baris dalam MultiCell
        $cw = &$this->CurrentFont['cw'];
        if ($w == 0) {
            $w = $this->w - $this->rMargin - $this->x;
        }
        $wmax = ($w - 2 * $this->cMargin) * 1000 / $this->FontSize;
        $s = str_replace("\r", '', $txt);
        $nb = strlen($s);
        if ($nb > 0 && $s[$nb - 1] == "\n") {
            $nb--;
        }
        $sep = -1;
        $i = 0;
        $j = 0;
        $l = 0;
        $nl = 1;
        while ($i < $nb) {
            $c = $s[$i];
            if ($c == "\n") {
                $i++;
                $sep = -1;
                $j = $i;
                $l = 0;
                $nl++;
                continue;
            }
            if ($c == ' ') {
                $sep = $i;
            }
            $l += $cw[$c];
            if ($l > $wmax) {
                if ($sep == -1) {
                    if ($i == $j) {
                        $i++;
                    }
                } else {
                    $i = $sep + 1;
                }
                $sep = -1;
                $j = $i;
                $l = 0;
                $nl++;
            } else {
                $i++;
            }
        }
        return $nl;
    }


    function Total($subtotal,$lainnya,$totalAmount,$terbilang,$keteranganlain)
    {
        $this->Ln(1);
        $this->SetFont('Arial', '', 11);
        $this->Cell($this->maxWidth - 25, 9, 'Sub Total', 1, 0, 'R');
        $this->Cell(25, 9, $subtotal, 1, 1, 'R');
        $this->Cell($this->maxWidth - 25, 9, $keteranganlain, 1, 0, 'R');
        $this->Cell(25, 9, $lainnya, 1, 1, 'R');
        $this->SetFont('Arial', 'B', 11);
        $this->Cell($this->maxWidth - 25, 9, 'Total', 1, 0, 'R');
        $this->Cell(25, 9, $totalAmount, 1, 1, 'R');
        $this->Ln(1);
        $this->SetFont('Arial', 'I', 11);
        $this->Cell(0, 9, 'Terbilang : ', 0, 1);
        $this->SetFont('Arial', 'I', 11);
        $this->MultiCell(190, 9, $terbilang, 1, 'L');
    }

    function Keterangan($Keterangan)
    {
        $this->Ln(10);
        $this->SetFont('Arial', '', 11);
        $this->SetFillColor(255, 140, 0);
        $this->MultiCell(100, 6, $Keterangan, 0, 'L', true);
    }

    function Pembuat($Pembuat)
    {
        $this->Ln(-25);
        $this->SetFont('Arial', '', 11);
        $this->Cell(300, 6, 'Mengetahui,', 0, 1, 'C');
        $this->Ln(18);
        $this->SetFont('Arial', 'B', 11);
        $this->Cell(300, 6, '( '.$Pembuat.' )', 0, 1, 'C');
        $this->SetFont('Arial', 'I', 11);
        $this->Cell(300, 6, 'financial department', 0, 1, 'C');
    }
}

?>