package websocket

import (
	"fmt"
	participanthandler "legatus-rme/backend/participantHandler"
	"log"
	"net/http"

	"github.com/go-playground/validator/v10"
)

func (s *Server) participantHandler(w http.ResponseWriter, r *http.Request) {
	c, err := s.Upgrader.Upgrade(w, r, nil)
	if err != nil {
		log.Println("Websocket Server - Error upgrading connection:", err)
		return
	}
	defer c.Close()

	for {
		var req ParticipantHandlerWebsocketRequestWithoutData
		if err := c.ReadJSON(&req); err != nil {
			c.WriteJSON(&ErrorWebsocketResponse{
				Error: err.Error(),
			})
			return
		}

		if req.Type != "getAllParticipants" {
			req2 := ParticipantHandlerWebsocketRequest(req)
			err = validator.New().Struct(req2)
			if err != nil {
				c.WriteJSON(&ErrorWebsocketResponse{
					Error: err.Error(),
				})
				return
			}
		} else {
			err = validator.New().Struct(req)
			if err != nil {
				c.WriteJSON(&ErrorWebsocketResponse{
					Error: err.Error(),
				})
				return
			}
		}

		var (
			participantHandlerByExcersiseId participanthandler.ParticipantHandler
			ok                              bool
		)
		if participantHandlerByExcersiseId, ok = s.ParticipantHandlers[req.ExcerciseId]; !ok {
			participantHandlerByExcersiseId = OpenWebsocket("participantHandler", []int{s.ExerciseServicePortMap[fmt.Sprintf("%d-ParticipantManagement1", req.ExcerciseId)], req.ExcerciseId * 102}).(participanthandler.ParticipantHandler)
		}

		switch req.Type {
		case "checkIfParticipantIsValid":
			participantData := participantHandlerByExcersiseId.CheckIfParticipantIsValid(req.ParticipantData.ParticipantId)
			c.WriteJSON(&participantData)
			continue
		case "getAllParticipants":
			participantData := participantHandlerByExcersiseId.GetAllParticipants()
			c.WriteJSON(&participantData)
			continue
		case "changeAbcProtection":
			if err := participantHandlerByExcersiseId.ChangeAbcProtection(req.ParticipantData.ParticipantId, req.ParticipantData.AbcProtection); err != nil {
				c.WriteJSON(&ErrorWebsocketResponse{
					Error: err.Error(),
				})
			}
			c.WriteJSON(req.ParticipantData)
			continue
		case "changePosition":
			if err := participantHandlerByExcersiseId.ChangePosition(req.ParticipantData.ParticipantId, &participanthandler.GeoPosition{
				Lat: req.ParticipantData.Positions[0].Lat,
				Lng: req.ParticipantData.Positions[0].Lng,
			}); err != nil {
				c.WriteJSON(&ErrorWebsocketResponse{
					Error: err.Error(),
				})
			}
			continue
		}
	}
}