<?php
require_once __DIR__ . '/libs/fpdf.php';

session_start();

// Basic validation
if (!isset($_SESSION['user_id']) || $_SERVER['REQUEST_METHOD'] !== 'POST' || empty($_POST['score']) || empty($_POST['suggestions']) || empty($_POST['resume_text'])) {
    // Redirect to dashboard if data is missing
    header("Location: dashboard.php");
    exit;
}

$score = $_POST['score'];
$suggestions = json_decode($_POST['suggestions'], true);
$resumeText = $_POST['resume_text'];
$userName = $_SESSION['user_name'] ?? 'User';
$projectName = $_SERVER['PROJECT_NAME'] ?? 'Deris AI';

class PDF extends FPDF
{
    // Page header
    function Header()
    {
        global $projectName;
        // Logo
        $this->Image('assets/pasted-20251128-163837-87f97f7a.png', 10, 6, 30);
        $this->SetFont('Arial', 'B', 16);
        $this->Cell(0, 10, $projectName . ' - Resume Analysis Report', 0, 1, 'C');
        $this->Ln(20);
    }

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

    // Report content
    function ReportContent($score, $suggestions, $resumeText, $userName)
    {
        $this->SetFont('Arial', '', 12);
        $this->Cell(0, 10, 'Report for: ' . $userName, 0, 1);
        $this->Cell(0, 10, 'Date: ' . date('Y-m-d'), 0, 1);
        $this->Ln(10);

        // Score
        $this->SetFont('Arial', 'B', 14);
        $this->Cell(0, 10, 'Your Quick Score', 0, 1, 'C');
        $this->SetFont('Arial', 'B', 48);
        $this->Cell(0, 30, $score, 0, 1, 'C');
        $this->Ln(10);

        // Suggestions
        $this->SetFont('Arial', 'B', 14);
        $this->Cell(0, 10, 'Top Suggestions', 0, 1);
        $this->SetFont('Arial', '', 12);
        foreach ($suggestions as $suggestion) {
            $this->MultiCell(0, 10, '- ' . $suggestion, 0, 1);
        }
        $this->Ln(10);

        // Original resume text
        $this->SetFont('Arial', 'B', 14);
        $this->Cell(0, 10, 'Original Resume Text', 0, 1);
        $this->SetFont('Arial', '', 10);
        $this->MultiCell(0, 5, $resumeText, 1, 'L');
    }
}

$pdf = new PDF();
$pdf->AliasNbPages();
$pdf->AddPage();
$pdf->ReportContent($score, $suggestions, $resumeText, $userName);
$pdf->Output('D', 'Deris_AI_Report.pdf');