package controllers

import (
	"server/models"
	"time"

	"github.com/gorilla/websocket"
)

func (h *Hub) broadcastSnapshot() {
	h.Mu.RLock()
	defer h.Mu.RUnlock()

	w := models.Writer{}
	w.WriteU16(uint16(len(h.Players)))

	for _, p := range h.Players {
		w.WriteU32(p.ID)
		w.WriteU8(uint8(models.EntityPlayer))
		w.WriteF32(p.X)
		w.WriteF32(p.Y)
		w.WriteF32(p.Z)
		w.WriteF32(p.Yaw)
	}

	msg := models.Message{
		Type:    MSG_SNAPSHOT,
		Version: 1,
		Payload: w.Bytes(),
	}

	for _, p := range h.Players {
		if p.Conn != nil {
			_ = p.Conn.WriteMessage(websocket.BinaryMessage, msg.Encode())
		}
	}
}

func (h *Hub) updateWorld() {
	ticker := time.NewTicker(50 * time.Millisecond)
	defer ticker.Stop()

	for range ticker.C {
		h.broadcastSnapshot()
	}
}