package main

import (
	"fmt"
	"os"
	"strconv"
	"strings"

	cli "git.tcp.direct/Mirrors/go-prompt"
	. "github.com/logrusorgru/aurora"
	"github.com/rs/zerolog"
	"github.com/rs/zerolog/log"

	"protomolecule/src/eros"

	// "protomolecule/src/wrath"
	projVars "protomolecule/src/config"
	"protomolecule/src/deimos"
)

var suggestions = []cli.Suggest{
	// Main Commands
	//	{"scan",
	//		"Start and stop scans"},

	{"scan start",
		"Start default scan"},

	{"scan start attack",
		"Start scan that also attempts to connect to all discovered BLE devices"},

	{"scan start tracking",
		"Start continuous RSSI tracking of all BLE devices within range"},

	{"eros recall mac",
		"Retrieve device info from database by MAC address"},

	{"eros recall all",
		"Retrieve info on all devices"},

	{"eros backup",
		"Backup all databases to the supplied directory"},

	{"arboghast start",
		"Start entropic fuzzing via advertising"},
	/*
		{"wrath",
			"attack by address"},
	*/
	{"exit",
		"Exit ProtoMolecule"},

	{"debug",
		"Toggle debug messages"},

	{"help",
		"in-app documentation"},
}

func completer(in cli.Document) []cli.Suggest {
	c := in.CurrentLineBeforeCursor()
	if c == "" {
		return []cli.Suggest{}
	}

	return cli.FilterHasPrefix(suggestions, c, true)
}

// Interpret is where we will actuall define our commands
func executor(cmd string) {
	cmd = strings.TrimSpace(cmd)

	var args []string
	args = strings.Split(cmd, " ")

	getArgs := func(args []string) string {
		var ret string
		for i, a := range args {
			if i == 0 {
				ret = a
				continue
			}
			ret = ret + " " + a
			if i != len(args)-1 {
				ret = ret + " "
			}
		}
		return ret
	}

	switch args[0] {

	case "exit":
		fallthrough

	case "quit":
		eros.Slumber()
		os.Exit(0)

	case "debug":
		switch log.Logger.GetLevel() {
		case zerolog.DebugLevel:
			zerolog.SetGlobalLevel(zerolog.InfoLevel)
			log.Info().
				Msg("Debug mode turned " + Sprintf(BrightRed("OFF\n").Bold()))
		case zerolog.InfoLevel:
			zerolog.SetGlobalLevel(zerolog.DebugLevel)
			log.Debug().
				Msg("Debug mode turned " + Sprintf(BrightGreen("ON\n").Bold()))
		default:
			return
		}

	case "eros":
		if len(args) < 2 {
			getHelp("eros")
			return
		}

		switch args[1] {
		case "recall":
			if len(args) < 3 {
				getHelp("eros recall")
				return
			}
			switch args[2] {
			case "mac":
				if len(args) < 4 {
					getHelp("eros recall")
					return
				}
				fromEros, err := eros.Recall(args[3])
				if err != nil {
					log.Error().Err(err).Str("target", args[3]).
						Msg("Failed to recall MAC")
					println()
					return
				}

				log.Info().
					Str("Name", fromEros.Name).
					Str("Addr", fromEros.Addr).
					Str("ManuF", fromEros.Manufacturer). // needs to be changed back to fromEros.Manufacturer
					Int16("Current_RSSI", fromEros.RSSIlast).
					Int("Service_Count", len(fromEros.Services)).
					Msg("EROS_RECALL")

			case "backup":
				if len(args) < 3 {
					getHelp("eros backup")
					return
				}
				if err := eros.Backup(args[3]); err != nil {
					log.Error().Err(err).Msg("Failed to backup databases!")
				}
			}

		}

	case "help":
		if len(args) < 2 {
			getHelp("meta")
			return
		}

		getHelp(getArgs(args))

	case "loadnames":
		if len(args) < 2 {
			log.Error().Msg("missing argument: path to json file with manufacturer UUIDs")
			println()
		}

		projVars.GlobalConfig.ManuFile = args[1]
		eros.ManufLoad()

	case "adapter":
		if len(args) > 1 {
			switch args[1] {
			case "list":
				deimos.PrintBlueDevices()
			case "sniff":
				var (
					err    error
					devint int
				)
				if len(args) < 2 {
					log.Error().Msg("not enough parameters, missing adapter ID")
					println()
					return
				}
				if devint, err = strconv.Atoi(args[2]); err != nil {
					log.Error().Msg("invalid parameter, must be integer of adapter ID")
					println()
					return
				}
				deimos.Sniff(devint)
			default:
				log.Error().Msg("unknown sub-command: " + args[1])
				println()
			}
		} else {
			getHelp(getArgs(args))
		}
	case "scan":
		if len(args) > 1 {
			switch args[1] {

			case "list":
				fallthrough

			case "status":
				fmt.Println(getArgs(args) + ": start new default BLE scan")

			case "start":
				if len(args) > 2 {
					switch args[2] {
					case "tracking":
						*projVars.GlobalConfig.CooleanFlags.Tracking = true
						*projVars.GlobalConfig.CooleanFlags.Attack = false
					case "attack":
						*projVars.GlobalConfig.CooleanFlags.Tracking = false
						*projVars.GlobalConfig.CooleanFlags.Attack = true
					default:
						// getHelp(getArgs(args))
						log.Error().Msg("unknown sub command: " + args[2])
						println()
					}
				}

				bleScan()
			}

		} else {
			getHelp(getArgs(args))
		}

	case "rpc":
		if len(args) > 1 {
			switch args[1] {

			case "status":
				fmt.Println(getArgs(args) + ": ")

			case "server":
				fmt.Println(getArgs(args) + ": ")

			case "client":
				fmt.Println(getArgs(args) + ": ")
			}
		} else {
			getHelp(getArgs(args))
		}

	/*
		case "wrath":
			if len(args) < 2 {
				getHelp("wrath")
				return
			}
			wrath(args[1])
	*/

	case "clear":
		print("\033[H\033[2J")
		// termenv.ClearScreen()

	default:
		log.Error().Msg("unknown command: " + cmd)
		println()
	}

}

func getHelp(target string) {
	fmt.Println("pRaNkeD! (help not available just yet.)")
	fmt.Println()
	return
	/*
		var lines []string

		lines = append(lines, "help: "+target)

		switch target {

		case "meta":
			var list string
			for _, cmd := range cmds {
				list = list + cmd + ", "
			}

			fmt.Println("Enabled commands: ")
			list = strings.TrimSuffix(list, ", ")
			fmt.Println(list)
			fmt.Println()

		default:
			log.Error().Msg("Help entry not found!")
			fmt.Println()
		}
	*/
}

func StartCLI() {
	var hist []string

	p := cli.New(
		executor,
		completer,
		cli.OptionPrefix("ProtoMolecule"+"> "),
		// cli.OptionPrefixBackgroundColor(cli.Black),
		cli.OptionPrefixTextColor(cli.Cyan),
		cli.OptionHistory(hist),
		cli.OptionSuggestionBGColor(cli.Black),
		cli.OptionSuggestionTextColor(cli.White),
		cli.OptionSelectedSuggestionBGColor(cli.Black),
		cli.OptionSelectedSuggestionTextColor(cli.Cyan),
		// prompt.OptionLivePrefix
		cli.OptionTitle("ProtoMolecule"),
	)

	p.Run()

}