package main

import (
	"log"
	"net/http"

	"github.com/google/uuid"
	"github.com/gorilla/websocket"
)

var upgrader = websocket.Upgrader{
	CheckOrigin: func(r *http.Request) bool { return true },
}

func ServeWS(room *Room, w http.ResponseWriter, r *http.Request) {
	conn, _ := upgrader.Upgrade(w, r, nil)

	id := uuid.New().String()
	player := &Player{
		ID:   id,
		Conn: conn,
		X:    180,
		Y:    320,
	}

	room.Players[id] = player

	player.Conn.WriteJSON(map[string]any{
		"type": "init",
		"payload": map[string]string{
			"id": id,
		},
	})

	go readLoop(room, player)
}

func readLoop(room *Room, player *Player) {
	for {
		var msg InputMessage
		err := player.Conn.ReadJSON(&msg)
		if err != nil {
			delete(room.Players, player.ID)
			return
		}

		msg.PlayerID = player.ID
		room.Input <- msg
	}
}

func main() {
	room := NewRoom()

	go room.Run()

	http.HandleFunc("/ws", func(w http.ResponseWriter, r *http.Request) {
		ServeWS(room, w, r)
	})

	log.Println("Server started on :8080")
	log.Fatal(http.ListenAndServe(":8080", nil))
}