package main

import (
	"flag"
	"fmt"
	"os"
	"strings"
)

var isNode bool
var isHost bool
var isRpc bool
var configPath string
var rpcPath string

func main() {
	// first, we need to determine who we are: node, host or rpc.
	// determine by executable name (lux binary will be symlinked to lux-node, lux-host, luc-rpc),
	// or by explicit cli flag (--node, --host, --rpc)
	flag.BoolVar(&isNode, "node", false, "LUX node")
	flag.BoolVar(&isHost, "host", false, "LUX host")
	flag.BoolVar(&isRpc, "rpc", false, "RPC tool")
	flag.StringVar(&configPath, "config", "", "node or host config")
	flag.StringVar(&rpcPath, "rpc-path", "", "path to RPC UNIX socket or TCP socket, must be in unix:// or tcp:// form")
	flag.Parse()

	if !isNode && !isHost && !isRpc {
		// determine by argv[0]
		if strings.Contains(os.Args[0], "node") {
			isNode = true
		} else if strings.Contains(os.Args[0], "host") {
			isHost = true
		} else if strings.Contains(os.Args[0], "rpc") {
			isRpc = true
		}
	}

	if (isNode || isHost) && configPath == "" {
		fmt.Fprintln(os.Stderr, "must provide config path")
		os.Exit(1)
	} else if isRpc && rpcPath == "" {
		fmt.Fprintln(os.Stderr, "must provide RPC socket path")
		os.Exit(1)
	}
}