class_name HUD
extends CanvasLayer


@onready var time: Label = %Time
@onready var money: Label = %Money
@onready var income: Label = %Income
@onready var spawn_box: Control = %SpawnBox
@onready var team_top: PanelContainer = %TeamTop
@onready var team_bottom: PanelContainer = %TeamBottom
@onready var lives_top: Label = %LivesTop
@onready var lives_bottom: Label = %LivesBottom


func _ready():
	Client.player.money_changed.connect(func():
		money.text = "Money: " + str(Client.player.money)
	)
	Client.player.income_changed.connect(func():
		income.text = "Income: " + str(Client.player.income)
	)
	
	Client.current_stage.lives_changed.connect(func():
		lives_top.text = "Lives: %02d" % Client.current_stage.teams.top.lives
		lives_bottom.text = "Lives: %02d" % Client.current_stage.teams.bottom.lives
	)
	
	Client.stage_state_changed.connect(func(state: State):
		if state is StateBuild:
			%TowerConfigurationsContainer.visible = true
		else:
			%TowerConfigurationsContainer.visible = false
	)
	
	# TODO: fix multi select
	%SelectionContainer.visible = false
	%SelectionData.get_child(0).queue_free()
	%MultiSelectionContainer.visible = false
	Client.placed_tower.connect(func(tower: Tower):
		tower.selected.connect(func():
			var hud_data = tower.get_hud()
			hud_data.name = tower.name
			
			var groups = {"md5:1": [], "md5_2": []}
			var selected_group = "md5"
			# TODO: build groups from current component configurations matches. md5 of property values?
			# TODO: do in tower.gd at select?
			
			if Tower.selected_towers.size() == 1:
				%SelectionContainer.visible = true
				%MultiSelectionContainer.visible = false
				
				%SelectionData.add_child(hud_data)
				%MultiSelectionList.add_child(hud_data.duplicate())
			elif Tower.selected_towers.size() > 1:
				%SelectionContainer.visible = false
				%MultiSelectionContainer.visible = true
				
				%MultiSelectionList.add_child(hud_data)
		)
		tower.deselected.connect(func():
			if Tower.selected_towers.size() == 0:
				%SelectionContainer.visible = false
				%MultiSelectionContainer.visible = false
				
				for child in %SelectionData.get_children():
					child.queue_free()
				for child in %MultiSelectionList.get_children():
					child.queue_free()
			elif Tower.selected_towers.size() == 1:
				%MultiSelectionContainer.visible = false
				%SelectionContainer.visible = true
			elif Tower.selected_towers.size() > 1:
				# only remove deselected tower from list
				%MultiSelectionList.get_node(NodePath(tower.name)).queue_free()
		)
	)


func _input(event: InputEvent):
	if event.is_action_pressed("spawn_box_toggle"):
		spawn_box.visible = not spawn_box.visible
	if event.is_action_pressed("players_list_toggle"):
		team_top.visible = not team_top.visible
		team_bottom.visible = not team_bottom.visible


func _on_build_mode_button_gui_input(event: InputEvent) -> void:
	if event.is_action_pressed("select"):
		if Client.state is StateDefault:
			get_tree().current_scene.get_node("StateManager").set_state("StateBuild")
		elif Client.state is StateBuild:
			get_tree().current_scene.get_node("StateManager").set_state("StateDefault")


func _on_spawner_box_button_gui_input(event: InputEvent) -> void:
	if event.is_action_pressed("select"):
		spawn_box.visible = not spawn_box.visible


func _on_player_list_button_gui_input(event: InputEvent) -> void:
	if event.is_action_pressed("select"):
		team_top.visible = not team_top.visible
		team_bottom.visible = not team_bottom.visible