<#
.SYNOPSIS
	Lists software updates
.DESCRIPTION
	This PowerShell script queries the latest available software updates for the
	local machine and lists it (for installation use 'install-updates.ps1').
.EXAMPLE
	PS> ./list-updates.ps1
	⏳ Querying Microsoft Store updates...

	Name               Id                    Version       Available
	----------------------------------------------------------------
	Git                Git.Git               2.43.0        2.44.0   
        ...
.LINK
	https://github.com/fleschutz/PowerShell
.NOTES
	Author: Markus Fleschutz | License: CC0
#>

try {
	if ($IsLinux) {
		if (Get-Command apt -ErrorAction SilentlyContinue) {
			Write-Host "`n⏳ Querying APT package updates..." -foregroundColor green
			& sudo apt update
			& sudo apt list --upgradable
		}
		if (Get-Command snap -ErrorAction SilentlyContinue) {
			Write-Host "`n⏳ Querying Snap updates..." -foregroundColor green
			& sudo snap refresh --list
		}
	} elseif ($IsMacOS) {
		if (Get-Command brew -ErrorAction SilentlyContinue) {
			Write-Host "`n⏳ Querying Homebrew updates..." -foregroundColor green
			& brew outdated
		}
	} else {
		if (Get-Command winget -ErrorAction SilentlyContinue) {
			Write-Host "`n⏳ Querying Microsoft Store updates..." -foregroundColor green
			& winget upgrade --include-unknown --source=msstore

			Write-Host "`n⏳ Querying WinGet updates..." -foregroundColor green
			& winget upgrade --include-unknown --source=winget
		}
		if (Get-Command choco -ErrorAction SilentlyContinue) {
			Write-Host "`n⏳ Querying Chocolatey updates..." -foregroundColor green
			& choco outdated
		}
		if (Get-Command scoop -ErrorAction SilentlyContinue) {
			Write-Host "`n⏳ Querying Scoop updates..." -foregroundColor green
			& scoop status
		}
	}
	" "
	"💡 Execute 'install-updates.ps1' to install the listed updates."
	exit 0 # success
} catch {
	"⚠️ Error in line $($_.InvocationInfo.ScriptLineNumber): $($Error[0])"
	exit 1
}