param(
    [switch]$Test,
    [switch]$Publish,
    [switch]$SelfContained
)
$ErrorActionPreference = 'Stop'
$sdkCandidate = Join-Path $env:USERPROFILE '.dotnet-sdk\dotnet.exe'
$dotnet = if ($env:GATEWAY_DOTNET) { $env:GATEWAY_DOTNET } elseif (Test-Path -LiteralPath $sdkCandidate) { $sdkCandidate } else { (Get-Command dotnet -ErrorAction Stop).Source }
$previousRoot = $env:DOTNET_ROOT
$previousTelemetry = $env:DOTNET_CLI_TELEMETRY_OPTOUT
try {
    $env:DOTNET_ROOT = Split-Path -Parent $dotnet
    $env:DOTNET_CLI_TELEMETRY_OPTOUT = '1'
    & $dotnet build (Join-Path $PSScriptRoot 'GatewayKeepalive.sln') -c Release --nologo
    if ($LASTEXITCODE -ne 0) { throw '构建失败。' }
    if ($Test) {
        foreach ($project in @('GatewayKeepalive.Tests', 'GatewayKeepalive.ProbeTests')) {
            & $dotnet run --project (Join-Path $PSScriptRoot "tests\$project\$project.csproj") -c Release --no-build
            if ($LASTEXITCODE -ne 0) { throw "$project 验证失败。" }
        }
    }
    if ($Publish) {
        $flavor = if ($SelfContained) { 'standalone' } else { 'runtime-dependent' }
        $destination = Join-Path $PSScriptRoot "artifacts\publish\$flavor"
        $contained = if ($SelfContained) { 'true' } else { 'false' }
        & $dotnet publish (Join-Path $PSScriptRoot 'src\GatewayKeepalive.Tray\GatewayKeepalive.Tray.csproj') -c Release -r win-x64 --self-contained $contained -p:PublishSingleFile=true -p:IncludeNativeLibrariesForSelfExtract=true -p:DebugType=embedded -o $destination
        if ($LASTEXITCODE -ne 0) { throw '托盘版发布失败。' }
        $cli = Join-Path $destination 'diagnostics'
        & $dotnet publish (Join-Path $PSScriptRoot 'src\GatewayKeepalive.Cli\GatewayKeepalive.Cli.csproj') -c Release -r win-x64 --self-contained $contained -p:PublishSingleFile=true -p:IncludeNativeLibrariesForSelfExtract=true -p:DebugType=embedded -o $cli
        if ($LASTEXITCODE -ne 0) { throw '只读诊断工具发布失败。' }
        Write-Host "发布完成：$destination"
    }
}
finally {
    $env:DOTNET_ROOT = $previousRoot
    $env:DOTNET_CLI_TELEMETRY_OPTOUT = $previousTelemetry
}