<?php
session_start();

error_reporting(E_ALL);
ini_set('display_errors', 1);

header('Content-Type: application/json');

error_log('TEST-UPLOAD: Started');

if ($_SERVER['REQUEST_METHOD'] === 'POST') {
    error_log('TEST-UPLOAD: POST request received');
    error_log('TEST-UPLOAD: FILES: ' . json_encode(array_keys($_FILES)));

    if (isset($_FILES['csvFile'])) {
        $file = $_FILES['csvFile'];
        error_log('TEST-UPLOAD: File name: ' . $file['name']);
        error_log('TEST-UPLOAD: File size: ' . $file['size']);
        error_log('TEST-UPLOAD: File type: ' . $file['type']);
        error_log('TEST-UPLOAD: File error: ' . $file['error']);

        echo json_encode([
            'success' => true,
            'message' => 'File received',
            'file' => [
                'name' => $file['name'],
                'size' => $file['size'],
                'type' => $file['type']
            ]
        ]);
    } else {
        echo json_encode([
            'success' => false,
            'error' => 'No file uploaded'
        ]);
    }
} else {
    echo json_encode([
        'success' => false,
        'error' => 'Not a POST request'
    ]);
}