<#
.SYNOPSIS
	Enter another host via SSH
.DESCRIPTION
	This PowerShell script logs into a remote host via secure shell (SSH).
.PARAMETER remoteHost
	Specifies the remote hostname or IP address
.EXAMPLE
	PS> ./enter-host.ps1 tux
	⏳ Connecting to 'tux' as user 'markus' using OpenSSH_for_Windows_9.5p1, LibreSSL 3.8.2
	markus@tux's password:
	...
.LINK
	https://github.com/fleschutz/PowerShell
.NOTES
	Author: Markus Fleschutz | License: CC0
#>

param([string]$remoteHost = "")

try {
	if ($remoteHost -eq "") {
		$remoteHost = Read-Host "Enter the remote hostname or IP address"
		$remoteUser = Read-Host "Enter the username at $remoteHost"

	} elseif ($IsLinux) {
		$remoteUser = $(whoami)
	} else {
		$remoteUser = $env:USERNAME
	}
	$username = $username.toLower()

	Write-Host "⏳ Connecting to '$remoteHost' as user '$username' using " -noNewline
	& ssh -V
	if ($lastExitCode -ne "0") { throw "'ssh -V' failed with exit code $lastExitCode" }

	& ssh "$($username)@$($remoteHost)"
	exit 0 # success
} catch {
	"⚠️ Error in line $($_.InvocationInfo.ScriptLineNumber): $($Error[0])"
	exit 1
}