extends TabContainer


@onready var audio_bus = AudioServer.get_bus_index("Master")

@onready var focused_tab = 0
@onready var focused_tab_elements: Dictionary = {
	0: $Bombs/Panel/HBoxContainer/VBoxContainer/ButtonBombNormal,
	1: $Character/Panel/HBoxContainer/Collaborations/TextureButton,
	2: $System/Panel/VBoxContainer/ButtonResume,
}
@onready var exclude_from_focus = [
	%BombComponents,
]

var current_slot_idx = 0

var character_empty_slot: TextureButton


func _ready():
	hide()
	
	self._ready_bombs()
	self._ready_character()
	self._ready_system()
	
	var tabs = get_children()
	for idx in tabs.size():
		for child in Utilities.get_all_children(tabs[idx]):
			if child is Control and not exclude_from_focus.has(child):
				child.focus_entered.connect(func():
					focused_tab_elements[idx] = child
				)


func _input(event: InputEvent):
	if event.is_action_pressed("ui_menu"):
		if get_tree().paused: # game is paused
			self.close_menu()
		else: # game is running
			self.open_menu()
	
	if self.visible:
		if event.is_action_pressed("ui_menu_left"):
			if get_current_tab() > 0:
				set_current_tab(get_current_tab() - 1)
		if event.is_action_pressed("ui_menu_right"):
			if get_current_tab() < get_tab_count() - 1:
				set_current_tab(get_current_tab() + 1)
	
	tab_changed.connect(func(tab_idx):
		focused_tab = tab_idx
		(func(): focused_tab_elements[tab_idx].grab_focus()).call_deferred()
	)
	
	_input_bombs(event)


func open_menu():
	get_tree().paused = true
	tab_changed.emit(focused_tab)
	show()


func close_menu():
	%BombComponents.hide()
	
	hide()
	get_tree().paused = false


func get_player():
	return Global.player


### Bombs ###


func _ready_bombs():
	for component in Bomb.COMPONENT_TYPE:
		var idx = Bomb.COMPONENT_TYPE[component]
		$Bombs/Panel/HBoxContainer/VBoxContainer3/BombComponents.set_item_text(idx, component.capitalize())
	
	for idx in Global.player.bomb_components.size():
		var component = Bomb.COMPONENT_TYPE.find_key(Global.player.bomb_components[idx])
		if component:
			$Bombs/Panel/HBoxContainer/VBoxContainer3/VBoxContainer.get_node("Slot" + str(idx+1)).text = component.capitalize()
	
	%BombComponents.item_activated.connect(Callable(self, "_on_bomb_components_item_selected"))


func _input_bombs(event):
	if %BombComponents.visible and event.is_action_pressed("ui_cancel"):
		%BombComponents.hide()
		focused_tab_elements[focused_tab].grab_focus()


func _on_button_bomb_normal_pressed():
	self.get_player().BombScene = preload("res://Scenes/Entities/Bombs/Bomb__Normal.tscn")


func _on_button_bomb_breakables_pressed():
	self.get_player().BombScene = preload("res://Scenes/Entities/Bombs/Bomb__Breakables.tscn")


func _on_bomb_power_item_selected(index):
	var power = int($Bombs/Panel/HBoxContainer/VBoxContainer2/BombPower.get_item_text(index))
	self.get_player().bomb_power = power


func _on_bomb_components_multi_selected(_index, _selected):
	pass
	#Global.player.bomb_components = {}
	#for idx in $Bombs/Panel/HBoxContainer/VBoxContainer3/BombComponents.get_selected_items():
		#Global.player.bomb_components.append(idx) # same as enum idx


func _on_slot_pressed(slot_idx):
	%BombComponents.clear()
	
	for component in Bomb.COMPONENT_TYPE:
		var idx = Bomb.COMPONENT_TYPE[component]
		%BombComponents.add_item(
			component.capitalize(),
			null,
			Global.player.bomb_components.find_key(idx) == null
		)
		# todo position swap
		# make all selectable
		# but when already in bomb_components, swap position
		# nonetheless, hightlight already selected item differently
	
	%BombComponents.show()
	%BombComponents.force_update_list_size()
	%BombComponents.grab_focus()
	
	current_slot_idx = slot_idx


func _on_bomb_components_item_selected(idx):
	Global.player.bomb_components[current_slot_idx] = idx
	%BombComponents.hide()
	$Bombs/Panel/HBoxContainer/VBoxContainer3/VBoxContainer.get_node("Slot" + str(current_slot_idx+1)).grab_focus()
	$Bombs/Panel/HBoxContainer/VBoxContainer3/VBoxContainer.get_node("Slot" + str(current_slot_idx+1)).text = Bomb.COMPONENT_TYPE.find_key(idx).capitalize()


### Character ###


func _ready_character():
	## Set $Main/$Main to current character
	## TODO
	
	
	## Add Slots to $Collaborations
	character_empty_slot = $Character/Panel/HBoxContainer/Collaborations/TextureButton.duplicate()
	$Character/Panel/HBoxContainer/Collaborations.remove_child($Character/Panel/HBoxContainer/Collaborations/TextureButton)
	
	var base_slot = character_empty_slot.duplicate()
	for idx in range(Global.collaboration_slots):
		var slot: TextureButton = base_slot.duplicate()
		slot.name = "Slot" + str(idx)
		
		if Global.selected_collaborations.has(idx):
			slot.modulate = Color(1, 1, 1, 1)
			slot.texture_normal = PlaceholderTexture2D.new()
			slot.texture_normal = load("res://.godot/imported/UsadaPekora_Full.png-de55b1ee87c19101262c28a2200b6697.ctex")
		
		$Character/Panel/HBoxContainer/Collaborations.add_child(slot)
	
	focused_tab_elements[1] = $Character/Panel/HBoxContainer/Collaborations.get_child(0)
	
	
	## Set $Preview/$Collaboration to empty? to all? to first slot?
	## TODO


### System ###


func _ready_system():
	AudioServer.set_bus_volume_db(self.audio_bus, linear_to_db(0))
	$System/Panel/VBoxContainer2/SliderVolume.value = db_to_linear(AudioServer.get_bus_volume_db(self.audio_bus))


func _on_slider_volume_value_changed(value):
	AudioServer.set_bus_volume_db(self.audio_bus, linear_to_db(value))


func quit_game():
	get_tree().quit()


func _on_button_resume_pressed():
	self.close_menu()


func _on_button_quit_pressed():
	self.quit_game()