<?php

namespace App\Controllers;

class UploadController
{
    public static function upload(): void
    {
        if (!isset($_FILES['file']) || $_FILES['file']['error'] !== UPLOAD_ERR_OK) {
            http_response_code(400);
            echo json_encode(['success' => false, 'message' => '请选择要上传的文件']);
            return;
        }

        $file = $_FILES['file'];
        $allowedTypes = [
            'jpg', 'jpeg', 'png', 'gif', 'webp',
            'js', 'ts', 'py', 'java', 'cpp', 'c', 'html', 'css', 'json', 'xml',
            'txt', 'md', 'go', 'rs', 'php', 'rb', 'sql', 'yaml', 'yml', 'sh', 'bat'
        ];

        $ext = strtolower(pathinfo($file['name'], PATHINFO_EXTENSION));

        if (!in_array($ext, $allowedTypes)) {
            http_response_code(400);
            echo json_encode(['success' => false, 'message' => '不支持的文件类型: .' . $ext]);
            return;
        }

        if ($file['size'] > 10 * 1024 * 1024) {
            http_response_code(400);
            echo json_encode(['success' => false, 'message' => '文件大小不能超过10MB']);
            return;
        }

        $filename = uniqid() . '.' . $ext;
        $uploadDir = __DIR__ . '/../../uploads/';
        $filepath = $uploadDir . $filename;

        if (!move_uploaded_file($file['tmp_name'], $filepath)) {
            http_response_code(500);
            echo json_encode(['success' => false, 'message' => '文件上传失败']);
            return;
        }

        echo json_encode([
            'success' => true,
            'data' => [
                'url' => '/uploads/' . $filename,
                'name' => $file['name'],
                'size' => $file['size'],
                'type' => $ext
            ]
        ]);
    }
}