extends Node2D
class_name MainScene
@export var player: SelfUnit




func _physics_process(delta: float) -> void:
	%mouse_finder.position=get_global_mouse_position()

var now_map:map
var now_e_interacetion_item
func _on_control_gui_input(event: InputEvent) -> void:
	if event.is_action_pressed("mouse_right"):
		if player:
			player.sent_message("move",player.get_global_mouse_position())
	#if event is InputEventMouseMotion:
		#var item=%mouse_finder.get_overlapping_areas()
		#if item.size()!=0:
			#var target=get_closest_node(player,item,EInteractionItem)
			#if target is EInteractionItem:
				#if now_e_interacetion_item!=target:
					#if is_instance_valid(now_e_interacetion_item):
						#now_e_interacetion_item._exit_highlight()
					#if is_instance_valid(target):
						#target._on_highlight()
						#now_e_interacetion_item=target
			#else:
				#if now_e_interacetion_item!=null and is_instance_valid(now_e_interacetion_item):
					#now_e_interacetion_item._exit_highlight()
				#now_e_interacetion_item=null
	if event.is_action_pressed("mouse_left"):
		#投放单位，用于测试
		if %put_check.button_pressed:
			var id=%LineEdit.text
			var type=selected_item
			var data=Database.get_unit_data(type,id)
			var new_cb=load("res://scene/test/other_character.tscn").instantiate()
			new_cb.unit_data=Database.get_unit_data(type,id)
			new_cb.global_position=get_global_mouse_position()
			%CB_add_pos.add_child(new_cb)
			new_cb.second_timer_time_out()
			return
		
		if now_e_interacetion_item!=null:
			if player!=null and is_instance_valid(player) and player.is_unit_instance_in_touch_area(now_e_interacetion_item):
				now_e_interacetion_item.E_pressed()
				return
		var arr=%mouse_finder.get_overlapping_bodies()
		print(arr)
		if arr.size()==0:
			return
		var target=get_closest_node(player,arr,Unit)
		print(target)
		if target!=null:
			
			player.sent_message("attack",target)
		pass
	
	pass # Replace with function body.
#func _input(event: InputEvent) -> void:
	#print(event)
	#
	#if event.is_action_pressed("e") and player!=null and player.is_door_availible() and $CanvasLayer/Control.has_focus():
		#print("检测到切换请求")
		#var e=player.get_e_interaction_item()
		#if e is EInteractionItem:
			#e.E_pressed()
		
func get_closest_node(self_node:Node2D,array:Array,target_class):
	if array.size()==0:
		return null
	var length=null
	var node=null
	for i in range(0,array.size()):
		print(is_instance_of(i,target_class))
		if is_instance_of(array[i],target_class) and array[i]!=self_node:
			var l=(array[i].global_position-self_node.global_position).length()
			if length==null:
				length=l
				node=array[i]
			elif l<length:
				length=l
				node=array[i]
	return node

func _ready() -> void:
	#同步主场景
	Global.main_scene=self
	var all_types=Database.get_all_unit_type()
	if all_types.size()>0:
		selected_item=all_types[0]
	%type.get_popup().clear()
	for i in all_types:
		%type.get_popup().add_item(i)
		
	%type.get_popup().index_pressed.connect(pop_up_selected)
	change_map("map_0")
var selected_item:String:
	set(val):
		selected_item=val
		%type.text=val
func pop_up_selected(index:int):
	selected_item=%type.get_popup().get_item_text(index)


func _on_cacul_num_number_timeout() -> void:
	%num.text="场上单位数量："+str(Global.unit_instance_dic.keys().size())
	pass # Replace with function body.

func change_map(map_id:String,ind:int=0):
	print("map_changed:"+str(map_id)+",map_ind:"+str(ind))
	if now_map!=null:
		Global.map_dictionary.erase(now_map.map_id)
		now_map.queue_free()
	for i in %CB_add_pos.get_children():
		if i is UnitOther:
			Global.delete_unit_instance(i.get_unit_id())
			Global.add_unit_id_save_map(i.unit_data)
			
			i.queue_free()
	
	var new_map_tscn=Database.get_map_data(map_id)
	if new_map_tscn==null:
		return 
		
	var new_map=load(new_map_tscn).instantiate() as map
	new_map.map_id=map_id
	add_child(new_map)
	var new_player=	preload("res://scene/test/character.tscn").instantiate()
	if player!=null:
		player.queue_free()
	player=new_player
	new_player.global_position=new_map.get_mark_postion(ind)
	%CB_add_pos.add_child(new_player)
	new_map.z_index-=1
	now_map=new_map
	if not Global.is_map_initlized(map_id):
		var characte_arr=new_map.pre_character_data
		for  i in characte_arr:
			var new_unit=preload("res://scene/test/other_character.tscn").instantiate()
			new_unit.unit_data=Database.get_unit_data(i["unit_data_from_id"],i["unit_id"])
			new_unit.unit_data["type"]=i["type"]
			new_unit.global_position=i["position"]
			%CB_add_pos.add_child(new_unit)
			new_unit.second_timer_time_out()
	else:
		var map_character_data=Global.get_map_data(map_id)
		for i in map_character_data.values():
			var new_unit=preload("res://scene/test/other_character.tscn").instantiate()
			new_unit.unit_data=i
			new_unit.global_position=Vector2(i["position"][0],i["position"][1])
			%CB_add_pos.add_child(new_unit)
			pass
	pass


func _on_change_scene_0_pressed() -> void:
	change_map("map_0")
	pass # Replace with function body.


func _on_change_scene_1_pressed() -> void:
	change_map("map_1")
	pass # Replace with function body.


func _on_mouse_finder_area_entered(area: Area2D) -> void:
	if area is EInteractionItem:
		if now_e_interacetion_item!=null and is_instance_valid(now_e_interacetion_item):
			now_e_interacetion_item._exit_highlight()
		now_e_interacetion_item=area
		area._on_highlight()
	pass # Replace with function body.


func _on_mouse_finder_area_exited(area: Area2D) -> void:
	if area==now_e_interacetion_item:
		now_e_interacetion_item._exit_highlight()
		now_e_interacetion_item=null
	pass # Replace with function body.

func show_trader_board(item_array:Array[BagItem],bind:Unit=null):
	%trader_board.open(item_array,bind)