import "fpkit: system/player_interaction.modifier.api" for API, Modifier, APIGet, APISet, Wire, Fields, State, Op
import "luxe: io" for IO
import "luxe: assets" for Assets, Strings
import "luxe: input" for Input
import "luxe: system/camera.modifier" for Camera
import "luxe: world" for Entity, World
import "luxe.project/asset" for Asset

#block = data
class Data {
	var event_name: String = "interact"
	var distance: Num = 2

	#hidden
	var is_active: Bool = true

	#hidden
	var camera: Link = null
}

#api
#display = "FPKit: Player Interaction"
#desc = "**Lets player use interactive entities**. Handles events when the player looks at, looks away from, or presses the Use key on an entity." 
#icon = "luxe: image/modifier/modifier.svg"
class PlayerInteraction is API {
  //add public facing API here
}

#system
#phase(on, tick)
class System is Modifier {

	//required atm
	construct new(world: World) { super(world) }

	init(world: World) {
		Log.print("init `%(This)` in world `%(world)`")
	}

	#hidden
	attach(entity: Entity, data: Data) {
		Log.print("attached to `%(Entity.name(entity))` `%(entity)` - `%(This)`")
		var camera = Entity.get_with(entity, Camera.id)
		Log.print("   Camera Found: %(camera != null)")

		// data.camera = camera
	}

	#hidden
	detach(entity: Entity, data: Data) {
		Log.print("detached from `%(Entity.name(entity))` `%(entity)` - `%(This)`")
	}
 
	#hidden
	tick(delta: Num) {
		each {|entity: Entity, data: Data|
			if (!data.is_active) return

			if (Input.event_began(data.event_name)) {
				Log.print("[[ USE ]]")
			}
		}
	}

}