@tool
extends EditorPlugin

var selected_skill_file: String
var skill_popup: PopupMenu
var skill_cfg_list: Array[SkillCfg]
var menu_parent: Node


func _enter_tree():
	var root: Node = EditorInterface.get_editor_main_screen()
	while root.get_parent() != null:
		root = root.get_parent()
	menu_parent = root.get_child(0).get_child(4).get_child(0).get_child(0).get_child(0)
	if menu_parent:
		skill_popup = PopupMenu.new()
		skill_popup.name = "技能配置"
		skill_popup.about_to_popup.connect(skill_popup_about_to_popup)
		skill_popup.index_pressed.connect(skill_popup_index_pressed)
		menu_parent.add_child(skill_popup)
	else:
		print("menu_parent is null")


func skill_popup_about_to_popup():
	skill_cfg_list.clear()
	skill_popup.set_item_count(0)
	skill_cfg_list = Util.get_all_skill()
	for skill_cfg in skill_cfg_list:
		skill_popup.add_item(skill_cfg.get_res_name())


func skill_popup_index_pressed(index: int):
	EditorInterface.select_file(skill_cfg_list[index].resource_path)


func _process(delta: float) -> void:
	var selected_paths: PackedStringArray = EditorInterface.get_selected_paths()
	if len(selected_paths) != 1:
		return
	var selected_path: String = selected_paths[0]
	if selected_skill_file == selected_path:
		return
	selected_skill_file = selected_path
	if not selected_path.ends_with(".tres"):
		return
	var res := ResourceLoader.load(selected_path)
	if not res is SkillCfg:
		return
	var skill_cfg: SkillCfg = res as SkillCfg

	if not skill_cfg.skill_animation:
		return

	EditorInterface.open_scene_from_path("res://scene/character/character.tscn")
	var root: Node                       = EditorInterface.get_edited_scene_root()
	var character_skill: AnimationPlayer = root.find_child("Skill") as AnimationPlayer
	EditorInterface.edit_node(character_skill)
	var animation_name: String = "animation_library/%s" % Util.get_resource_name(res)
	character_skill.current_animation = animation_name
	EditorInterface.edit_resource(res)


func _exit_tree():
	remove_tool_menu_item("Test")
	if skill_popup: skill_popup.queue_free()