package main

import (
	"flag"
	"fmt"
	"math/rand"
	"os"
	"time"

	"hackerbots.us/client"
	"hackerbots.us/server"
)

var hp = flag.Int("hp", 50, "")
var speed = flag.Int("speed", 50, "")
var acceleration = flag.Int("acceleration", 50, "")
var scannerRadius = flag.Int("srad", 50, "scanner radius")
var turnSpeed = flag.Int("omega", 50, "turn speed")
var fireRate = flag.Int("fire-rate", 50, "scanner radius")
var weaponRadius = flag.Int("wrad", 50, "weapon radius")
var weaponDamage = flag.Int("wdamage", 50, "weapons umph")
var weaponSpeed = flag.Int("wspeed", 50, "weapons speed")

// XXX: add TurnSpeed, WeaponDamage, WeaponSpeed

var addr = flag.String("addr", "ws://localhost:8666", "server hostname")
var botname = flag.String("name", "gobot", "the name that other players will see")
var forceJSON = flag.Bool("json", false, "force json encoding")
var botType = flag.String("bot", "simple", "which Bot [fraserbot, simple]")
var spectate = flag.Bool("spectate", false, "enable terminal visualizer")

func main() {
	rand.Seed(time.Now().UnixNano())
	var gameID string
	flag.Parse()
	if flag.NArg() < 1 {
		gameID = "debug"
	} else {
		gameID = flag.Arg(0)
	}

	c := &client.Client{
		Server:    *addr,
		Name:      *botname,
		GameId:    gameID,
		ForceJSON: *forceJSON,
	}
	sr := server.StatsRequest{
		Hp:            *hp,
		Speed:         *speed,
		Acceleration:  *acceleration,
		ScannerRadius: *scannerRadius,
		TurnSpeed:     *turnSpeed,
		FireRate:      *fireRate,
		WeaponRadius:  *weaponRadius,
		WeaponDamage:  *weaponDamage,
		WeaponSpeed:   *weaponSpeed,
	}

	switch *botType {
	case "simple":
		c.Player = client.NewSimplePlayer(800, 600, sr)
	case "fraserbot":
		c.Player = client.NewFraserbot("Fraserbot")
	default:
		fmt.Fprintf(os.Stderr, "must specify a known bot \n")
		os.Exit(1)
	}

	if err := c.Negotiate("robot", c.Player); err != nil {
		fmt.Fprintf(os.Stderr, "%s: failed to negociate: %s\n", c.Name, err)
		os.Exit(1)
	}

	if *spectate {
		ui := client.NewSpectator(c.Width, c.Height)
		players := client.MultiPlayer{
			c.Player,
			ui,
		}
		c.Player = players

		go func() {
			if err := c.Play(); err != nil {
				fmt.Fprintf(os.Stderr, "problem during play: %v\n", err)
				close(ui.Die)
			}
		}()
		if err := ui.Spectate(); err != nil {
			fmt.Fprintf(os.Stderr, "problem during visualization: %+v\n", err)
			os.Exit(1)
		}
	} else {
		if err := c.Play(); err != nil {
			fmt.Fprintf(os.Stderr, "problem during play: %v\n", err)
			os.Exit(1)
		}
	}
}