extends Control

export var default_width = 500
export var default_height = 500
export var default_spacing = 5

var data = {
	width = default_width,
	height = default_height,
	spacing = default_spacing
}

var poisson_disc_sampling: PoissonDiscSampling = PoissonDiscSampling.new()
var points = []

signal new_poisson(points)

func _ready():
	reset_options(default_width, default_height, default_spacing)
	pass

func reset_options(width, height, spacing):
	$HBoxContainer/Properties/width/width_edit.text = str(width)
	$HBoxContainer/Properties/height/height_edit.text = str(height)
	$HBoxContainer/Properties/spacing/spacing_edit.text = str(spacing)

func set_data(width, height, spacing):
	data.width = width
	data.height = height
	data.spacing = spacing

func _on_Button_pressed():
	set_data(
		int($HBoxContainer/Properties/width/width_edit.text),
		int($HBoxContainer/Properties/height/height_edit.text),
		int($HBoxContainer/Properties/spacing/spacing_edit.text)
	)

	var rect = Rect2(Vector2(0, 0), Vector2(data.width, data.height))
	points = poisson_disc_sampling.generate_points(data.spacing, rect, 20)
	emit_signal("new_poisson", points)


func _on_save_pressed():
	$SaveFileDialog.popup()

func _on_SaveFileDialog_file_selected(path):
	var file = File.new()
	file.open(path, 2)
	file.store_var(data)
	file.store_var(points)


func _on_open_pressed():
	$OpenFileDialog.popup()

func _on_OpenFileDialog_file_selected(path):
	var file = File.new()
	file.open(path, 1)
	var new_data = file.get_var()
	set_data(new_data.width, new_data.height, new_data.spacing)
	reset_options(new_data.width, new_data.height, new_data.spacing)
	points = file.get_var()
	emit_signal("new_poisson", points)