# =========================================================
# MAX 网络工具箱 - 系统代理管理
# 查看 / 设置 / 清除 Windows 系统代理
# =========================================================

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

Show-AdminWarn
Write-Header "系统代理管理"

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

do {
    try {
        Write-Section "操作菜单"
        Write-Info "1. 查看当前代理设置"
        Write-Info "2. 设置系统代理"
        Write-Info "3. 清除系统代理"
        Write-Info "4. 重置 WinHTTP 代理"
        Write-Info "0. 退出"
        Write-Host ""

        $Choice = Read-Host "  请选择"

        Write-Line

        switch ($Choice) {
            "1" {
                Write-Section "查看代理设置"
                Write-Info "用户代理:"
                try {
                    Get-ItemProperty "HKCU:\Software\Microsoft\Windows\CurrentVersion\Internet Settings" |
                        Select-Object ProxyEnable, ProxyServer, ProxyOverride |
                        Format-List
                }
                catch {
                    Write-Err "读取用户代理设置失败"
                }

                Write-Host ""
                Write-Info "WinHTTP 代理:"
                try {
                    netsh winhttp show proxy
                }
                catch {
                    Write-Err "读取 WinHTTP 代理失败"
                }

                Write-OK "代理信息查看完成"
            }
            "2" {
                Write-Section "设置系统代理"
                $ProxyServer = Read-Host "  请输入代理服务器地址，例如 127.0.0.1:7890"

                if ([string]::IsNullOrWhiteSpace($ProxyServer)) {
                    Write-Err "代理服务器地址不能为空"
                } else {
                    try {
                        Write-Info "设置用户代理..."
                        Set-ItemProperty "HKCU:\Software\Microsoft\Windows\CurrentVersion\Internet Settings" `
                            -Name ProxyEnable -Type DWord -Value 1
                        Set-ItemProperty "HKCU:\Software\Microsoft\Windows\CurrentVersion\Internet Settings" `
                            -Name ProxyServer -Type String -Value $ProxyServer

                        Write-Info "设置 WinHTTP 代理..."
                        netsh winhttp set proxy $ProxyServer

                        Write-OK "系统代理已设置为 $ProxyServer"
                    }
                    catch {
                        Write-Err "设置代理失败"
                        Write-Muted $_.Exception.Message
                    }
                }
            }
            "3" {
                Write-Section "清除系统代理"
                try {
                    Write-Info "禁用用户代理..."
                    Set-ItemProperty "HKCU:\Software\Microsoft\Windows\CurrentVersion\Internet Settings" `
                        -Name ProxyEnable -Type DWord -Value 0
                    Remove-ItemProperty "HKCU:\Software\Microsoft\Windows\CurrentVersion\Internet Settings" `
                        -Name ProxyServer -ErrorAction SilentlyContinue

                    Write-Info "重置 WinHTTP 代理..."
                    netsh winhttp reset proxy

                    Write-OK "系统代理已清除"
                }
                catch {
                    Write-Err "清除代理失败"
                    Write-Muted $_.Exception.Message
                }
            }
            "4" {
                Write-Section "重置 WinHTTP 代理"
                try {
                    netsh winhttp reset proxy
                    Write-OK "WinHTTP 代理已重置"
                }
                catch {
                    Write-Err "重置 WinHTTP 代理失败"
                    Write-Muted $_.Exception.Message
                }
            }
            "0" {
                Write-OK "已退出"
                break
            }
            default {
                Write-Warn "无效选项，请重新选择"
            }
        }

        if ($Choice -ne "0") {
            Pause-Max
        }
    }
    catch {
        Write-Err "操作过程中出现错误"
        Write-Muted $_.Exception.Message
        Pause-Max
    }
} while ($Choice -ne "0")