#!/usr/bin/env pwsh

# TODO: can we use some of this?
# https://github.com/PowerShell/openssh-portable/blob/latestw_all/contrib/win32/openssh/FixUserFilePermissions.ps1

if (!(Test-Path -Path "$Env:USERPROFILE/.ssh"))
{
    New-Item -Path "$Env:USERPROFILE/.ssh" -ItemType Directory
    & icacls "$Env:USERPROFILE/.ssh" /inheritance:r
    & icacls "$Env:USERPROFILE/.ssh" /grant:r "%username%":"(F)"
}

if (!(Test-Path -Path "$Env:USERPROFILE/.ssh/config"))
{
    New-Item -Path "$Env:USERPROFILE/.ssh/config" -ItemType "file" -Value ""
    & icacls "$Env:USERPROFILE/.ssh/config" /inheritance:r
    & icacls "$Env:USERPROFILE/.ssh/config" /grant:r "%username%":"(F)"
}

if (!(Test-Path -Path "$Env:USERPROFILE/.ssh/authorized_keys"))
{
    New-Item -Path "$Env:USERPROFILE/.ssh/authorized_keys" -ItemType "file" -Value ""
    & icacls "$Env:USERPROFILE/.ssh/authorized_keys" /inheritance:r
    & icacls "$Env:USERPROFILE/.ssh/authorized_keys" /grant:r "%username%":"(F)"
}

if (!(Test-Path -Path "$Env:USERPROFILE/.ssh/id_rsa"))
{
    & ssh-keygen -b 2048 -t rsa -f "$Env:USERPROFILE/.ssh/id_rsa" -q -N ""
    echo ""
}

if (!(Test-Path -Path "$Env:USERPROFILE/.ssh/id_rsa.pub"))
{
    & ssh-keygen -y -f "$Env:USERPROFILE/.ssh/id_rsa" > "$Env:USERPROFILE/.ssh/id_rsa.pub"
    echo ""
}

# TODO use the comment (if any) for the name of the file
echo ""
echo "~/Downloads/id_rsa.$Env:USERNAME.pub":
echo ""
#rm -f "$Env:USERPROFILE/Downloads/id_rsa.$Env:USERNAME.pub":
Copy-Item -Path "$Env:USERPROFILE/.ssh/id_rsa.pub" -Destination "$Env:USERPROFILE/Downloads/id_rsa.$Env:USERNAME.pub"
& type "$Env:USERPROFILE/Downloads/id_rsa.$Env:USERNAME.pub"
echo ""