# PanTool 启动脚本
# 用法：irm https://get.808855.xyz | iex
#
# 逻辑：
#   1. 检查本地 exe 版本
#   2. 版本不对或不存在 → 从 Gitee 下载（不耗服务器流量）
#   3. 启动 exe → 自动打开浏览器

$ErrorActionPreference = "Stop"

# ── 配置（发布新版本时只改这两行）──────────────
$VERSION  = "1.0.0"
$EXE_URL  = "https://gitee.com/你的用户名/pantool/releases/download/v$VERSION/PanTool.exe"
# ────────────────────────────────────────────────

$TOOL_DIR     = "$env:APPDATA\PanTool"
$TOOL_PATH    = "$TOOL_DIR\PanTool.exe"
$VERSION_FILE = "$TOOL_DIR\version.txt"

function Write-Color($text, $color = "White") {
    Write-Host $text -ForegroundColor $color
}

Write-Color ""
Write-Color "  ██████╗  █████╗ ███╗  ██╗████████╗ ██████╗  ██████╗ ██╗" "Cyan"
Write-Color "  ██╔══██╗██╔══██╗████╗ ██║╚══██╔══╝██╔═══██╗██╔═══██╗██║" "Cyan"
Write-Color "  ██████╔╝███████║██╔██╗██║   ██║   ██║   ██║██║   ██║██║" "Cyan"
Write-Color "  ██╔═══╝ ██╔══██║██║╚████║   ██║   ██║   ██║██║   ██║██║" "Cyan"
Write-Color "  ██║     ██║  ██║██║ ╚███║   ██║   ╚██████╔╝╚██████╔╝███████╗" "Cyan"
Write-Color "  ╚═╝     ╚═╝  ╚═╝╚═╝  ╚══╝   ╚═╝    ╚═════╝  ╚═════╝ ╚══════╝" "Cyan"
Write-Color "  网盘批处理工具 v$VERSION" "DarkCyan"
Write-Color ""

# 创建目录
if (!(Test-Path $TOOL_DIR)) {
    New-Item -ItemType Directory -Path $TOOL_DIR -Force | Out-Null
}

# 判断是否需要下载
$needDownload = $true
if ((Test-Path $TOOL_PATH) -and (Test-Path $VERSION_FILE)) {
    $localVer = (Get-Content $VERSION_FILE -Raw -ErrorAction SilentlyContinue).Trim()
    if ($localVer -eq $VERSION) {
        $needDownload = $false
        Write-Color "  ✓ 已是最新版本 v$VERSION" "Green"
    } else {
        Write-Color "  ↑ 发现新版本 v$VERSION（当前 v$localVer），正在更新..." "Yellow"
    }
}

# 下载
if ($needDownload) {
    Write-Color "  ↓ 正在下载 PanTool.exe..." "Cyan"
    try {
        # 显示进度
        $webClient = New-Object System.Net.WebClient
        $webClient.DownloadProgressChanged += {
            param($s, $e)
            Write-Progress -Activity "下载 PanTool" `
                -Status "$($e.ProgressPercentage)% ($([math]::Round($e.BytesReceived/1MB,1)) MB)" `
                -PercentComplete $e.ProgressPercentage
        }
        $webClient.DownloadFileTaskAsync($EXE_URL, $TOOL_PATH).Wait()
        Write-Progress -Activity "下载 PanTool" -Completed

        Set-Content -Path $VERSION_FILE -Value $VERSION -Encoding UTF8
        Write-Color "  ✓ 下载完成！" "Green"
    } catch {
        Write-Color "  ✗ 下载失败：$($_.Exception.Message)" "Red"
        if (Test-Path $TOOL_PATH) {
            Write-Color "  → 使用本地已有版本继续..." "Yellow"
        } else {
            Write-Color "  请手动下载：$EXE_URL" "Yellow"
            Write-Color "  保存到：$TOOL_PATH" "Yellow"
            Read-Host "  按 Enter 退出"
            exit 1
        }
    }
}

# 检查端口是否已占用（已经在运行）
$portInUse = $false
try {
    $conn = New-Object System.Net.Sockets.TcpClient
    $conn.Connect("127.0.0.1", 8080)
    $conn.Close()
    $portInUse = $true
} catch {}

if ($portInUse) {
    Write-Color "  ✓ PanTool 已在运行，打开浏览器..." "Green"
    Start-Process "http://localhost:8080"
} else {
    Write-Color "  → 启动 PanTool，浏览器将自动打开..." "Cyan"
    Start-Process -FilePath $TOOL_PATH -WindowStyle Hidden
}

Write-Color ""
Write-Color "  如浏览器未自动打开，请访问：http://localhost:8080" "DarkGray"
Write-Color ""