param(
    [string]$IisExpressPath = "$env:ProgramFiles\IIS Express\iisexpress.exe",
    [string]$ConfigPath = "$(Join-Path $PSScriptRoot 'applicationhost.config')",
    [string]$SiteName = "AspClassicPublicSite",
    [switch]$TraceErrors
)

& (Join-Path $PSScriptRoot 'build-iisexpress-config.ps1') -OutputPath $ConfigPath
if ($LASTEXITCODE -ne 0) {
    exit $LASTEXITCODE
}

if (-not (Test-Path -LiteralPath $IisExpressPath)) {
    $IisExpressPath = "$env:ProgramFiles(x86)\IIS Express\iisexpress.exe"
}

if (-not (Test-Path -LiteralPath $IisExpressPath)) {
    Write-Error "IIS Express not found. Checked Program Files and Program Files (x86)."
    exit 1
}

$arguments = @("/config:$ConfigPath", "/site:$SiteName")
if ($TraceErrors) {
    $arguments += "/trace:error"
}

Write-Host "Starting IIS Express site '$SiteName' using config '$ConfigPath'..."
& $IisExpressPath @arguments