package main

import (
	"fmt"
	"log"
	"strings"
	"time"

	"maunium.net/go/mautrix"
	"maunium.net/go/mautrix/event"
)

//GitTag is current git tag
var GitTag string

//GitCommit is current git commit
var GitCommit string

func main() {
	conf := loadConfig("config.yaml")
	matrixClient := newMatrixClient(conf)
	//redditClient := newRedditClient(conf)
	syncer := matrixClient.Syncer.(*mautrix.DefaultSyncer)
	syncer.OnEventType(event.EventMessage, func(source mautrix.EventSource, evt *event.Event) {
		if evt.Sender == matrixClient.UserID {
			return //ignore events from self
		}
		fmt.Printf("<%[1]s> %[4]s (%[2]s/%[3]s)\n", evt.Sender, evt.Type.String(), evt.ID, evt.Content.AsMessage().Body)
		body := evt.Content.AsMessage().Body
		bodyS := strings.Split(body, " ")
		if bodyS[0] != "!nun" {
			return
		}
		if len(bodyS) < 2 {
			return //nothing to parse
		}
		switch bodyS[1] {
		case "version":
			// print version
			if GitTag != "" {
				matrixClient.SendText(evt.RoomID, "NunBot version "+GitTag)
			} else {
				matrixClient.SendText(evt.RoomID, "NunBot version "+GitCommit)
			}
		case "help":
			matrixClient.SendText(evt.RoomID, "Supported commands: version,stats")
		default:
			//command not found
			matrixClient.SendText(evt.RoomID, "command not recognized")
		}
	})
	syncer.OnEventType(event.StateMember, func(source mautrix.EventSource, evt *event.Event) {
		fmt.Printf("<%[1]s> %[4]s (%[2]s/%[3]s)\n", evt.Sender, evt.Type.String(), evt.ID, evt.Content.AsMessage().Body)
		if evt.Content.AsMember().Membership.IsInviteOrJoin() {
			_, err := matrixClient.JoinRoomByID(evt.RoomID)
			if err != nil {
				fmt.Printf("error joining room %v", evt.RoomID)
			} else {
				fmt.Printf("joined room %v", evt.RoomID)
			}
		}
	})

	var curPost post
	go func() {
		for {
			time.Sleep(30 * time.Second)
			newPost := getNewestPost("LittleNuns")
			if curPost.Title != newPost.Title {
				curPost = newPost
				roomResp, err := matrixClient.JoinedRooms()
				if err != nil {
					log.Printf("error getting joined rooms: %v", err)
					continue
				}
				rooms := roomResp.JoinedRooms
				for _, room := range rooms {
					matrixClient.SendText(room, fmt.Sprintf("%v\n%v", curPost.Title, curPost.Link))
				}

			}
		}
	}()

	err := matrixClient.Sync()
	if err != nil {
		panic(err)
	}

}