#!/bin/sh
# Tailscale client initialization script

CLIENT_NAME=$1
HEADSCALE_URL="http://headscale:8080"

echo "Initializing Tailscale client: $CLIENT_NAME"
echo "Headscale server: $HEADSCALE_URL"

# Wait for tailscaled to be ready
sleep 5

# Check if we have an auth key
if [ -n "$TS_AUTHKEY" ]; then
    echo "Using provided auth key to register..."
    tailscale up \
        --login-server=$HEADSCALE_URL \
        --authkey=$TS_AUTHKEY \
        --hostname=$CLIENT_NAME \
        --accept-routes
else
    echo "No auth key provided. Manual registration required."
    echo "To register this client:"
    echo "1. Get the registration URL:"
    echo "   docker exec $CLIENT_NAME tailscale up --login-server=$HEADSCALE_URL"
    echo "2. In another terminal, approve the node:"
    echo "   docker exec headscale-server headscale nodes register --user myuser --key <nodekey>"
    
    # Start tailscale in manual mode
    tailscale up \
        --login-server=$HEADSCALE_URL \
        --hostname=$CLIENT_NAME \
        --accept-routes
fi

# Keep the container running
echo "Tailscale client $CLIENT_NAME is running..."
tail -f /dev/null