package structs

import (
	"errors"
	"sync"

	"github.com/gofiber/websocket/v2"
	"krakatoa.net/backend/modules/logger"
)

type WebClientDb struct {
	Uuid               string
	VoiceSessionToken  string
	MobileSessionToken string
}

type A struct {
	CmdID                    int
	CmdIDFromMinecraftServer int
	DestFromMinecraftServer  int
}

type WebClient struct {
	Uuid                   string
	MobileConn             *websocket.Conn
	mobileConnMu           sync.Mutex
	MobileCmdIDs           []int
	mobileCmdIDMu          sync.Mutex
	VoiceConn              *websocket.Conn
	voiceConnMu            sync.Mutex
	VoiceCmdIDs            []int
	voiceCmdIDMu           sync.Mutex
	VoiceCMDIDsByBackend   []*A
	voiceCMDIDsByBackendMu sync.Mutex
}

func (webClient *WebClient) SendBinaryMessage(conn *websocket.Conn, msg []byte) error {
	if conn == webClient.MobileConn {
		webClient.mobileConnMu.Lock()
		defer webClient.mobileConnMu.Unlock()
		return conn.WriteMessage(websocket.BinaryMessage, msg)
	}
	webClient.voiceConnMu.Lock()
	defer webClient.voiceConnMu.Unlock()
	return conn.WriteMessage(websocket.BinaryMessage, msg)
}

func (webClient *WebClient) RemoveVoiceCmdID(cmdID int) {
	webClient.voiceCmdIDMu.Lock()
	defer webClient.voiceCmdIDMu.Unlock()

	newArr, err := removeCmdIDFromList(webClient.VoiceCmdIDs, cmdID)

	if err != nil {
		logger.WebVoice.Warnln("removeCmdIDFromList:", err)
	} else {
		webClient.VoiceCmdIDs = newArr
	}
}

func (webClient *WebClient) RemoveMobileCmdID(cmdID int) {
	webClient.mobileCmdIDMu.Lock()
	defer webClient.mobileCmdIDMu.Unlock()

	newArr, err := removeCmdIDFromList(webClient.MobileCmdIDs, cmdID)

	if err != nil {
		logger.WebMobile.Warnln("removeCmdIDFromList:", err)
	} else {
		webClient.MobileCmdIDs = newArr
	}
}

func removeCmdIDFromList(arr []int, cmdID int) ([]int, error) {
	index := getCmdIDIndexFromList(arr, cmdID)

	if index == -1 {
		logger.Web.Warnln("index", index)
		return []int{}, errors.New("index not found")
	}

	logger.Web.Debugln("removeFromList before append", arr)

	newArr := append(arr[:index], arr[index+1:]...)

	logger.Web.Debugln("removeFromList after append", newArr)

	return newArr, nil
}

func getCmdIDIndexFromList(arr []int, cmdID int) int {
	for i := 0; i < len(arr); i++ {
		if arr[i] == cmdID {
			logger.Web.Debugln("getCmdIDIndexFromList", i)
			return i
		}
	}
	return -1
}