import * as path from "path";
import os from "os";
import { URL } from "url";
import { exec } from "child_process";
/**
* 获取桌面路径
*/
export function getDesktopPath(): string {
return path.join(os.homedir(), "Desktop");
}
/**
* 从 URL 中提取域名（转换为安全的文件夹名）
*/
export function extractDomain(url: string): string {
try {
const urlObj = new URL(url);
return urlObj.hostname.replace(/[^a-zA-Z0-9]/g, "_");
} catch {
return "unknown";
}
}
/**
* 获取时间戳字符串 (格式: YYYYMMDD_HHMMSS)
*/
export function getTimestamp(): string {
const now = new Date();
const year = now.getFullYear();
const month = String(now.getMonth() + 1).padStart(2, "0");
const day = String(now.getDate()).padStart(2, "0");
const hours = String(now.getHours()).padStart(2, "0");
const minutes = String(now.getMinutes()).padStart(2, "0");
const seconds = String(now.getSeconds()).padStart(2, "0");
return `${year}${month}${day}_${hours}${minutes}${seconds}`;
}
/**
* 获取图片扩展名
*/
export function getImageExtension(url: string): string {
const match = url.match(/\.(jpg|jpeg|png|webp|avif|gif)(\?.*)?$/i);
if (match) {
return match[1].toLowerCase() === "jpeg" ? "jpg" : match[1].toLowerCase();
}
return "jpg";
}
/**
* 从 URL 中提取原始文件名（不含扩展名）
* 会清理无效文件名字符
*/
export function extractFileName(url: string): string {
try {
const urlObj = new URL(url);
// 获取路径部分的最后一段
const pathname = urlObj.pathname;
const lastSegment = pathname.split("/").pop() || "";
// 移除扩展名部分（包括 .jpg, .png 等）
const nameWithoutExt = lastSegment.replace(/\.(jpg|jpeg|png|webp|avif|gif)$/i, "");
// 清理无效的文件名字符（Windows 文件系统不允许的字符）
const cleanName = nameWithoutExt.replace(/[<>:"/\\|?*]/g, "_");
// 如果文件名为空或只有特殊字符，返回空字符串（由调用方处理）
if (!cleanName || cleanName.trim() === "") {
return "";
}
// 限制文件名长度（避免过长的文件名）
return cleanName.substring(0, 100);
} catch {
return "";
}
}
/**
* 跨平台打开文件夹
*/
export function openFolder(folderPath: string): void {
const platform = process.platform;
let command: string;
switch (platform) {
case "win32":
command = `explorer "${folderPath}"`;
break;
case "darwin":
command = `open "${folderPath}"`;
break;
default:
// Linux
command = `xdg-open "${folderPath}"`;
}
exec(command, (error) => {
if (error) {
console.error(`打开文件夹失败: ${error.message}`);
}
});
}
