package server

import (
	"PD1/internal/protocol"
	"PD1/internal/utils/networking"
	"fmt"
)

func clientHandler(connection networking.Connection[protocol.Packet], dataStore DataStore) {
	defer connection.Conn.Close()
    
    // FIX: GET THE UID FROM THE USER CERTIFICATE FROM THE TLS SESSION
    uid := "0"

	for {
		pac := connection.Receive()
		switch pac.Flag {
		case protocol.ReqUserCertPkt:
			userCertPacket := dataStore.GetUserCertificate(uid)
			connection.Send(userCertPacket)
		case protocol.ReqAllMsgPkt:
			fmt.Println("ReqAllMsg")
		case protocol.ReqMsgPkt:
			fmt.Println("ReqMsg")
		case protocol.SubmitMsgPkt:
			fmt.Println("SubmitMsg")
		}
	}

}

func Run(port int) {
	//Open connection to DB
	dataStore := OpenDB()
	defer dataStore.db.Close()

	//Create server listener
	server := networking.NewServer[protocol.Packet](port)
	go server.ListenLoop()

	for {
		//Receive Connection via channel
		conn := <-server.C
		//Launch client handler via clientHandler
		go clientHandler(conn, dataStore)
	}
}