package main

import (
	"fmt"
	"net"
	"os"
	"os/exec"
	"path/filepath"
	"runtime"
)

const (
	colorBlue  = "\x1b[38;2;62;93;185m"
	colorRed   = "\x1b[38;2;213;70;70m"
	colorReset = "\x1b[0m"
	banner     = "\r\n" +
		colorBlue + "██████╗ ██╗ ██████╗ ██████╗ " + colorRed + " ██████╗██╗      █████╗ ██╗    ██╗\n" +
		colorBlue + "██╔══██╗██║██╔════╝██╔═══██╗" + colorRed + "██╔════╝██║     ██╔══██╗██║    ██║\n" +
		colorBlue + "██████╔╝██║██║     ██║   ██║" + colorRed + "██║     ██║     ███████║██║ █╗ ██║\n" +
		colorBlue + "██╔═══╝ ██║██║     ██║   ██║" + colorRed + "██║     ██║     ██╔══██║██║███╗██║\n" +
		colorBlue + "██║     ██║╚██████╗╚██████╔╝" + colorRed + "╚██████╗███████╗██║  ██║╚███╔███╔╝\n" +
		colorBlue + "╚═╝     ╚═╝ ╚═════╝ ╚═════╝ " + colorRed + " ╚═════╝╚══════╝╚═╝  ╚═╝ ╚══╝╚══╝\n" +
		colorReset
)

// getDefaultConfigPath returns the default path to the picoclaw config file.
func getDefaultConfigPath() string {
	home, err := os.UserHomeDir()
	if err != nil {
		return "config.json"
	}
	return filepath.Join(home, ".picoclaw", "config.json")
}

// getLocalIP returns the local IP address of the machine.
func getLocalIP() string {
	addrs, err := net.InterfaceAddrs()
	if err != nil {
		return ""
	}
	for _, a := range addrs {
		if ipnet, ok := a.(*net.IPNet); ok && !ipnet.IP.IsLoopback() && ipnet.IP.To4() != nil {
			return ipnet.IP.String()
		}
	}
	return ""
}

// openBrowser automatically opens the given URL in the default browser.
func openBrowser(url string) error {
	switch runtime.GOOS {
	case "linux":
		return exec.Command("xdg-open", url).Start()
	case "windows":
		return exec.Command("rundll32", "url.dll,FileProtocolHandler", url).Start()
	case "darwin":
		return exec.Command("open", url).Start()
	default:
		return fmt.Errorf("unsupported platform")
	}
}