package main

import (
	"io/ioutil"
	"strings"
	"sync"
	"time"

	"github.com/bwmarrin/discordgo"
)

const guildID = "645550569573842945"

var roleMutex sync.Mutex
var roleQueue = make(map[string]bool)
var assignedRoles = make(map[string]int)
var roleFromLevel []string

func init() {
	roles, _ := ioutil.ReadFile("roles.txt")
	roleFromLevel = strings.Split(string(roles), "\n")
	for k, v := range roleFromLevel {
		roleFromLevel[k] = strings.TrimSpace(v)
	}
}

func addToRoleQueue(discordID string) {
	roleMutex.Lock()
	defer roleMutex.Unlock()
	roleQueue[discordID] = true
}

func assignRole(dg *discordgo.Session) {
	for {
		roleMutex.Lock()
		for k, v := range roleQueue {
			if !v {
				continue
			}
			roleQueue[k] = false
			level, _ := getLevelAndXP(dg, k)
			if assignedRoles[k] != level {
				assignedRoles[k] = level
				err := dg.GuildMemberRoleAdd(guildID, k, roleFromLevel[level-1])
				if err != nil {
					logError(dg, "assignRole", err)
				}
			}
		}
		roleMutex.Unlock()
		time.Sleep(5 * time.Second)
	}
}