# NuGet 安装脚本 - 解决 SSL 问题
Write-Host "=== 安装 NuGet ===" -ForegroundColor Green

# 设置 TLS 1.2
[Net.ServicePointManager]::SecurityProtocol = [Net.SecurityProtocolType]::Tls12

# 检查是否已安装
$nugetExists = Get-Command nuget -ErrorAction SilentlyContinue
if ($nugetExists) {
    Write-Host "NuGet 已安装: $($nugetExists.Source)" -ForegroundColor Green
    exit 0
}

# 下载 NuGet
Write-Host "下载 NuGet CLI..." -ForegroundColor Yellow
$downloadUrls = @(
    "https://dist.nuget.org/win-x86-commandline/latest/nuget.exe",
    "https://dist.nuget.org/win-x86-commandline/v6.7.0/nuget.exe",
    "http://dist.nuget.org/win-x86-commandline/v6.7.0/nuget.exe"
)

$downloaded = $false
foreach ($url in $downloadUrls) {
    try {
        Write-Host "尝试下载: $url"
        $webClient = New-Object System.Net.WebClient
        $webClient.DownloadFile($url, "C:\nuget.exe")
        $downloaded = $true
        Write-Host "下载成功!" -ForegroundColor Green
        break
    } catch {
        Write-Host "下载失败: $($_.Exception.Message)" -ForegroundColor Red
        continue
    }
}

if (-not $downloaded) {
    Write-Host "所有下载都失败了，尝试使用 Chocolatey..." -ForegroundColor Yellow
    try {
        choco install nuget.commandline -y
        if (Get-Command nuget -ErrorAction SilentlyContinue) {
            Write-Host "通过 Chocolatey 安装成功!" -ForegroundColor Green
            exit 0
        }
    } catch {
        Write-Host "Chocolatey 安装也失败了: $($_.Exception.Message)" -ForegroundColor Red
    }
    
    Write-Host "NuGet 安装失败，但继续构建..." -ForegroundColor Yellow
    exit 0
}

# 验证安装
if (Test-Path "C:\nuget.exe") {
    $env:PATH = "C:\;$env:PATH"
    Write-Host "NuGet 安装完成" -ForegroundColor Green
    
    # 测试
    try {
        $version = & "C:\nuget.exe" help | Select-String -Pattern "NuGet Version" | Select-Object -First 1
        Write-Host "版本信息: $version" -ForegroundColor Green
    } catch {
        Write-Host "NuGet 可用，但版本检查失败" -ForegroundColor Yellow
    }
} else {
    Write-Host "NuGet 文件不存在" -ForegroundColor Red
}