extends HFlowContainer

var button_prefix="btn_map_"
var disabled_mod_color=Color(0.3,0.3,0.3,1.0)

signal map_changed

# Called when the node enters the scene tree for the first time.
func _ready() -> void:
	for btn in get_children():
		btn.pressed.connect(_on_btn_map.bind(btn))
		
	
	
		
	if len(Gamestate.getSelectedMap())<=0: #no map selected (ie on startup)
		get_children()[0].emit_signal("pressed") #preselect first map in list
	else:
		if Gamestate.automatic_map_change_after>0:
			Gamestate.automatic_map_change_in-=1
		if Gamestate.automatic_map_change_after>0 and Gamestate.automatic_map_change_in<=0: #do automatic mapchange
			Gamestate.automatic_map_change_in=Gamestate.automatic_map_change_after #reset
			var next_map_pick=null
			while next_map_pick==null:
				next_map_pick=get_children().pick_random()
				print("Selected random map="+str(next_map_pick.get_name()))
				if next_map_pick.name==button_prefix+Gamestate.getSelectedMap(): #picked the last map
					next_map_pick=null #force selecting another
			var saved_automatic_map_change_in=Gamestate.automatic_map_change_in #save number, to restore after simulated map button press
			next_map_pick.emit_signal("pressed")
			Gamestate.automatic_map_change_in=saved_automatic_map_change_in
		else: #no automatic mapchange
			for c in get_children():
				if c.name==button_prefix+Gamestate.getSelectedMap():
					var saved_automatic_map_change_in=Gamestate.automatic_map_change_in #save number, to restore after simulated map button press
					c.emit_signal("pressed") #select last map
					Gamestate.automatic_map_change_in=saved_automatic_map_change_in
					break
		


func _on_btn_map(btn):
	map_changed.emit()
	for b in get_children():
		b.self_modulate=disabled_mod_color #show all others disabled
	btn.self_modulate=Color(1,1,1,1) #show selected enabled
	var btn_name=btn.name
	var mapname=btn_name.erase(0,len(button_prefix))
	print("Selected Map="+str(mapname))
	Gamestate.setSelectedMap(mapname)
	Gamestate.automatic_map_change_in=Gamestate.automatic_map_change_after #rest number if button pressed manually