package main

import (
	"encoding/json"
	"io/ioutil"
	"log"
	"time"
)

const ROLE_CLIENT = "client"
const ROLE_HOST = "host"

var (
	Logger        *log.Logger
	configPath    string
	LastUserId    = 1000
	parsecService *ParsecService
	TimeLocation  *time.Location = time.FixedZone("CST", 8*3600)
)

type ConfigData struct {
	LastUserId int            `json:"lastUserId"`
	Users      []*UserInfo    `json:"users"`
	Peers      []*PeerInfo    `json:"peers"`
	Sessions   []*SessionInfo `json:"sessions"`
}

func SaveConfig() {
	config := &ConfigData{
		Users:      parsecService.Users,
		Peers:      parsecService.Peers,
		Sessions:   parsecService.Sessions,
		LastUserId: LastUserId,
	}
	marshal, _ := json.Marshal(config)
	ioutil.WriteFile(configPath, marshal, 0777)
}

func ReadConfig() {
	b, _ := exists(configPath)
	if b {
		configData, _ := ioutil.ReadFile(configPath)
		var config *ConfigData
		json.Unmarshal(configData, &config)
		parsecService.LoadConfig(config)
		LastUserId = config.LastUserId
	}
}