$ErrorActionPreference = "Stop"

$installDir = Join-Path $env:LOCALAPPDATA "Programs\Tiimeer"
$pythonAppUrl = "https://tiimeer.com/api/downloads/tiimeer.py"
$commandsUrl = "https://tiimeer.com/api/downloads/COMMANDS.txt"

New-Item -ItemType Directory -Force -Path $installDir | Out-Null

Invoke-WebRequest -Uri $pythonAppUrl -OutFile (Join-Path $installDir "tiimeer.py")
Invoke-WebRequest -Uri $commandsUrl -OutFile (Join-Path $installDir "COMMANDS.txt")

$launcher = @'
@echo off
setlocal
where py >nul 2>nul
if not errorlevel 1 (
  py "%~dp0tiimeer.py" %*
  exit /b %errorlevel%
)
where python >nul 2>nul
if not errorlevel 1 (
  python "%~dp0tiimeer.py" %*
  exit /b %errorlevel%
)
echo Python 3 is required to run Tiimeer.
echo Install Python and then try again.
exit /b 1

'@

Set-Content -Path (Join-Path $installDir "tiimeer.cmd") -Value $launcher -Encoding ASCII

$userPath = [Environment]::GetEnvironmentVariable("Path", "User")
$pathEntries = @()

if ($userPath) {
    $pathEntries = $userPath -split ";" | Where-Object { $_.Trim() -ne "" }
}

$alreadyAdded = $false
foreach ($entry in $pathEntries) {
    if ($entry.TrimEnd("\") -ieq $installDir.TrimEnd("\")) {
        $alreadyAdded = $true
    }
}

if (-not $alreadyAdded) {
    if ([string]::IsNullOrWhiteSpace($userPath)) {
        [Environment]::SetEnvironmentVariable("Path", $installDir, "User")
    }
    else {
        [Environment]::SetEnvironmentVariable("Path", "$userPath;$installDir", "User")
    }
}

Write-Host ""
Write-Host "Tiimeer installed successfully." -ForegroundColor Cyan
Write-Host "Open a new Command Prompt window and run:" -ForegroundColor Gray
Write-Host "  tiimeer" -ForegroundColor White
Write-Host ""
Write-Host "Files installed to: $installDir" -ForegroundColor Gray