# SSH KEY GENERATOR
# creates an ed25519 keypair and copies the public key to the clipboard
local email=$1
local keytype="ed25519"
local keyname=${2:-id_ed25519}

if [[ -z "$email" ]]; then
    echo "Usage: sshkeygen <email> [keyname]"
    return 1
fi

local ssh_dir="$HOME/.ssh"
mkdir -p "$ssh_dir"
chmod 700 "$ssh_dir"

local keypath="$ssh_dir/$keyname"
if [[ -f "$keypath" ]]; then
    echo "\033[31m❌ Key already exists at $keypath\033[0m"
    return 1
fi

ssh-keygen -t "$keytype" -C "$email" -f "$keypath" -N ""
echo "\033[32m✅ SSH key created at $keypath\033[0m"

# CLIPBOARD INTEGRATION
# auto-copy the public key based on the active display server
if command -v wl-copy &> /dev/null; then
    cat "$keypath.pub" | wl-copy
    echo "\033[36m📋 Public key copied to clipboard (Wayland)!\033[0m"
elif command -v xclip &> /dev/null; then
    cat "$keypath.pub" | xclip -selection clipboard
    echo "\033[36m📋 Public key copied to clipboard (X11)!\033[0m"
else
    cat "$keypath.pub"
fi