param(
	[switch]$NoOpen
)

$ErrorActionPreference = 'Stop'

$workspaceRoot = Split-Path -Parent $PSScriptRoot
$releaseDirectory = Join-Path $workspaceRoot 'release'
$electronBuilderCommand = Join-Path $workspaceRoot 'node_modules\.bin\electron-builder.CMD'

Set-Location -LiteralPath $workspaceRoot

function Invoke-CheckedCommand {
	param(
		[Parameter(Mandatory = $true)]
		[string]$Command,
		[string[]]$Arguments = @()
	)

	& $Command @Arguments
	if ($LASTEXITCODE -ne 0) {
		throw "Command failed with exit code ${LASTEXITCODE}: $Command $($Arguments -join ' ')"
	}
}

try {
	Write-Host '[1/4] Checking Node.js and pnpm...' -ForegroundColor Cyan
	if (-not (Get-Command node -ErrorAction SilentlyContinue)) {
		throw 'Node.js was not found. Install Node.js 20 first.'
	}
	if (-not (Get-Command pnpm -ErrorAction SilentlyContinue)) {
		throw 'pnpm was not found. Run: corepack enable'
	}

	$nodeVersion = (& node --version).Trim()
	$pnpmVersion = (& pnpm --version).Trim()
	Write-Host "Node.js $nodeVersion, pnpm $pnpmVersion" -ForegroundColor DarkGray

	Write-Host '[2/4] Checking project dependencies...' -ForegroundColor Cyan
	if (-not (Test-Path -LiteralPath $electronBuilderCommand)) {
		Write-Host 'Dependencies are missing. Running pnpm install...'
		Invoke-CheckedCommand -Command 'pnpm' -Arguments @('install')
	} else {
		Write-Host 'Dependencies found. Skipping installation.' -ForegroundColor DarkGray
	}

	Write-Host '[3/4] Building the Electron installer...' -ForegroundColor Cyan
	$env:ELECTRON_MIRROR = 'https://npmmirror.com/mirrors/electron/'
	Invoke-CheckedCommand -Command 'pnpm' -Arguments @('electron:build')

	Write-Host '[4/4] Checking build output...' -ForegroundColor Cyan
	$installer = Get-ChildItem -LiteralPath $releaseDirectory -Filter '*.exe' -File |
		Sort-Object LastWriteTime -Descending |
		Select-Object -First 1

	if (-not $installer) {
		throw "The build completed, but no installer was found in $releaseDirectory."
	}

	$sizeMb = [Math]::Round($installer.Length / 1MB, 2)
	Write-Host ''
	Write-Host 'Build completed successfully.' -ForegroundColor Green
	Write-Host "Installer: $($installer.FullName)"
	Write-Host "Size: $sizeMb MB"

	if (-not $NoOpen) {
		Start-Process -FilePath 'explorer.exe' -ArgumentList "/select,`"$($installer.FullName)`""
	}
} catch {
	Write-Host ''
	Write-Host "Automatic packaging failed: $($_.Exception.Message)" -ForegroundColor Red
	exit 1
}