package observers

import (
	"github.com/mlange-42/arche/ecs"
	"github.com/mlange-42/arche/generic"
)

// Used for global game state
type GameObserver struct {
	CurrentLevel, Width, Height, Cellsize, Score int
}

func NewGameObserver(world *ecs.World, startlevel, width, height, cellsize int) *GameObserver {
	observer := &GameObserver{
		CurrentLevel: startlevel,
		Width:        width,
		Height:       height,
		Cellsize:     cellsize,
	}

	resmanger := generic.NewResource[GameObserver](world)
	resmanger.Add(observer)

	return observer
}

func GetGameObserver(world *ecs.World) *GameObserver {
	observerID := ecs.ResourceID[GameObserver](world)
	observer := world.Resources().Get(observerID).(*GameObserver)
	return observer
}