package main

import (
	"flag"
	"fmt"
	"log"
	"time"

	"gopkg.in/gcfg.v1"

	"github.com/Arman92/go-tdlib"
)

type ChatWarsMessage struct {
	UserID64       int64     `json:"user_id"`
	SenderUserID64 int64     `json:"sender_user_id"`
	Date           time.Time `json:"date"`
	ID64           int64     `json:"id"`
	ChatID64       int64     `json:"chat_id"`
	Text           string    `json:"text"`
}

type ChatWarsCommand struct {
	Type         int64 `json:"type"`
	FromChatID64 int64 `json:"from_chat_id"`
	FromUserID64 int64 `json:"from_user_id"`
	FromMsgID64  int64 `json:"from_msg_id"`
	ToChatID64   int64 `json:"to_chat_id"`
	ToUserID64   int64 `json:"to_user_id"`
	Text         int64 `json:"text"`
}

const (
	commandForwardMsg = 1
	commandReplyMsg   = 2
	commandSendMsg    = 3
	commandDeleteMsg  = 4
	commandRefreshMsg = 5
)

const (
	user_chtwrsbot = 408101137
	chat_darkwing  = -1001080526540
	chat_war       = -1001108112459
	chat_war_mini  = -1001277259728
	chat_auction   = -1001209424945
)

type Config struct {
	Rabbit struct {
		User         string
		Password     string
		Host         string
		SendQueue    string
		ReceiveQueue string
	}
	Listen struct {
		War      bool
		WarMini  bool
		Auctions bool
	}
}

var (
	config                = flag.String("config", "gocw2.cfg", "config file path")
	history               = flag.Bool("history", false, "initialize chat history")
	historyChatID64       = flag.Int64("chat_id", 0, "chat to historize")
	historySenderUserID64 = flag.Int64("sender_user_id", 0, "sender_user_id to historize")

	cfg Config

	ownUserID64  = int64(0)
	ownUserID32  = int32(0)
	lastOwnTDMsg = time.Time
	MQCWMsgQueue chan ChatWarsMessage
	MQCWCmdQueue chan ChatWarsCommand
)

func main() {
	// Parsing config
	flag.Parse()

	err := gcfg.ReadFileInto(&cfg, *config)
	if err != nil {
		log.Fatalf("Failed to parse gcfg data: %s", err)
	}

	tdlib.SetLogVerbosityLevel(1)
	tdlib.SetFilePath("./errors.txt")

	// Create new instance of client
	client := tdlib.NewClient(tdlib.Config{
		APIID:               "187786",
		APIHash:             "e782045df67ba48e441ccb105da8fc85",
		SystemLanguageCode:  "en",
		DeviceModel:         "ChatWarsClient",
		SystemVersion:       "0.1",
		ApplicationVersion:  "0.1",
		UseMessageDatabase:  true,
		UseFileDatabase:     true,
		UseChatInfoDatabase: true,
		UseTestDataCenter:   false,
		DatabaseDirectory:   "./tdlib-db",
		FileDirectory:       "./tdlib-files",
		IgnoreFileNames:     false,
	})

	for {
		currentState, _ := client.Authorize()
		if currentState.GetAuthorizationStateEnum() == tdlib.AuthorizationStateWaitPhoneNumberType {
			fmt.Print("Enter phone: ")
			var number string
			fmt.Scanln(&number)
			_, err := client.SendPhoneNumber(number)
			if err != nil {
				fmt.Printf("Error sending phone number: %v", err)
			}
		} else if currentState.GetAuthorizationStateEnum() == tdlib.AuthorizationStateWaitCodeType {
			fmt.Print("Enter code: ")
			var code string
			fmt.Scanln(&code)
			_, err := client.SendAuthCode(code)
			if err != nil {
				fmt.Printf("Error sending auth code : %v", err)
			}
		} else if currentState.GetAuthorizationStateEnum() == tdlib.AuthorizationStateWaitPasswordType {
			fmt.Print("Enter Password: ")
			var password string
			fmt.Scanln(&password)
			_, err := client.SendAuthPassword(password)
			if err != nil {
				fmt.Printf("Error sending auth password: %v", err)
			}
		} else if currentState.GetAuthorizationStateEnum() == tdlib.AuthorizationStateReadyType {
			fmt.Println("Authorization Ready! Let's rock")
			break
		}
	}

	ownUserID32 = OwnUserID(client)
	ownUserID64 = int64(OwnUserID(client))

	MQCWMsgQueue = make(chan ChatWarsMessage, 100)
	for w := 1; w <= 3; w++ {
		go MQSendMsgWorker(w, MQCWMsgQueue)
	}

	if *history {
		fmt.Printf("Retrieving chat.\n")
		getHistory(client, historyChatID64, historySenderUserID64)
		return
	}

	MQCWCmdQueue = make(chan ChatWarsCommand, 100)
	for w := 1; w <= 3; w++ {
		go MQReceiveMsgWorker(w, MQCWCmdQueue)
	}

	lastOwnTDMsg = time.Now()

	go ListenCW(client)
	go ListenMQ(client, MQCWCmdQueue)
	go ListenMe(client)

	fmt.Println("Started !")

	// Main loop
	forever := make(chan bool)
	<-forever
}