param([string]$IsccPath = "${env:ProgramFiles(x86)}\Inno Setup 7\ISCC.exe")
$ErrorActionPreference = 'Stop'
$projectRoot = Split-Path $PSScriptRoot -Parent
if (!(Test-Path -LiteralPath $IsccPath)) { throw "Inno Setup compiler not found. Supply -IsccPath with the path to ISCC.exe." }
Push-Location $projectRoot
try {
    dotnet publish Orbit.csproj -c Release -r win-x64 --self-contained true -p:PublishSingleFile=false -p:DebugType=None -p:DebugSymbols=false -o release/installer-payload
    if ($LASTEXITCODE -ne 0) { throw 'Publish failed.' }
    Copy-Item README.txt release/installer-payload/README.txt
    & $IsccPath installer/Orbit.iss
    if ($LASTEXITCODE -ne 0) { throw 'Installer compilation failed.' }
} finally { Pop-Location }