# =========================================================
# MAX 网络工具箱 - 网络诊断
# Ping 检测 / DNS 解析 / 网卡信息 / DNS 服务器
# =========================================================

$Common = "C:\Setup\windows\lib\common.ps1"
if (Test-Path $Common) { . $Common }

Write-Header "网络诊断"

# =========================================================

$Targets = @(
    "223.5.5.5",
    "119.29.29.29",
    "1.1.1.1",
    "8.8.8.8",
    "dl.unvmax.com",
    "www.baidu.com",
    "www.microsoft.com"
)

try {
    Write-Section "Ping 连通性测试"
    foreach ($Target in $Targets) {
        try {
            Write-Info "测试: $Target"
            Test-Connection $Target -Count 2 -ErrorAction SilentlyContinue
            Write-OK "$Target 连通正常"
        }
        catch {
            Write-Warn "$Target 不可达"
        }
        Write-Host ""
    }

    Write-Line

    Write-Section "DNS 解析测试"
    $DnsTargets = @("dl.unvmax.com", "www.microsoft.com", "www.baidu.com")
    foreach ($Target in $DnsTargets) {
        try {
            Write-Info "解析: $Target"
            Resolve-DnsName $Target -ErrorAction SilentlyContinue | Select-Object -First 3 | Format-Table Name, IPAddress -AutoSize
            Write-OK "$Target 解析成功"
        }
        catch {
            Write-Warn "$Target 解析失败"
        }
        Write-Host ""
    }

    Write-Line

    Write-Section "网络适配器信息"
    try {
        Get-NetAdapter | Format-Table Name, Status, LinkSpeed, MacAddress -AutoSize
    }
    catch {
        Write-Err "获取网络适配器信息失败"
        Write-Muted $_.Exception.Message
    }

    Write-Line

    Write-Section "当前 DNS 服务器"
    try {
        Get-DnsClientServerAddress -AddressFamily IPv4 |
            Format-Table InterfaceAlias, ServerAddresses -AutoSize
    }
    catch {
        Write-Err "获取 DNS 服务器信息失败"
        Write-Muted $_.Exception.Message
    }

    Write-Line
    Write-OK "网络诊断完成"
}
catch {
    Write-Err "网络诊断过程中出现错误"
    Write-Muted $_.Exception.Message
}

Pause-Max