extends Node

@export var grid: Resource

@onready var _Map: Node = $Map
@onready var _Camera = $CameraController

# Units
var _UnitScene = preload("res://Scenes/Unit/unit.tscn")
var _Units: Array[Unit] = []

# MovingMarker
var _MovingMarkerScene = preload("res://Scenes/Unit/marker.tscn")
var _MovingMarker: Node2D = _MovingMarkerScene.instantiate()
#@export var mapSize: int = 15

@onready var UnitCamera: SmartCamera2D = $SmartCamera2D

@onready var GroundLayer: TileMapLayer = $Map/Ground

var aStarGrid: AStarGrid2D:
	set(v): aStarGrid = v;

# Called when the node enters the scene tree for the first time.
func _ready() -> void:
	if $Player.is_node_ready():
		$Player.setup($Map.getGrid())
		$GameBoard/Cursor.moved.connect($Player.setTarget)
		$GameBoard/Cursor.accept_pressed.connect($Player.selectedUnit)

# Called every frame. 'delta' is the elapsed time since the previous frame.
func _process(delta: float) -> void:
	pass

func _createUnit(pos: Vector2i):
	var newUnit = _UnitScene.instantiate()
	newUnit.set("_spawnPosition", pos)
	_Units.append(newUnit as Unit)

func _input(event: InputEvent) -> void:
	if event.is_action_pressed("SetMarker"):
		print("Action is SetMarker")
#		_MovingMarker.global_position = _getMousePosition(event).position
		_MovingMarker.position = GroundLayer.local_to_map(event.position)
		_MovingMarker.show()
	
func selectUnitAt(cell: Vector2i):
	pass


func _getScreenCenter():
	return get_viewport().get_camera_2d().get_screen_center_position()

	
func _getMousePosition(event: InputEvent):
	return get_viewport().get_camera_2d().make_input_local(event)


#func prepareAStarGrid():
#	var astarGrid = AStarGrid2D.new()
#	astarGrid.cell_size = GroundLayer.tile_set.tile_size
#	astarGrid.region = Rect2(Vector2.ZERO, ceil(get_viewport_rect().size / astarGrid.cell_size))
#	astarGrid.update()
#	
#	for id in ObstacleLayer.get_used_cells():
#		var data: TileData = ObstacleLayer.get_cell_tile_data(id)
#		if data and data.get_custom_data('obstacle'):
#			astarGrid.set_point_solid(id)
#		
#	%GridDisplay.grid = astarGrid

func get_cell_information(cell):
	print(cell)