extends Control
@onready var date: Label = $TextureRect/date
@onready var time: Label = $TextureRect/time
@onready var weather: Label = $TextureRect/weather
@onready var pos: Label = $TextureRect/pos
@onready var h_box_container: HBoxContainer = $ScrollContainer/HBoxContainer
@onready var scroll_container: ScrollContainer = $ScrollContainer
@onready var map_0
@onready var map_1
@onready var map_2
@onready var map_now
@onready var map_add_pos: MarginContainer = $ScrollContainer/HBoxContainer/map_add_pos
@onready var pointer: Label = $ScrollContainer/HBoxContainer/map_add_pos/pointer_map/pointer


var map_tween:Array=[null,null]
func recreate_map_tween():
	for i in map_tween.size():
		if map_tween[i]==null:
			map_tween[i]=get_tree().create_tween()
		else:
			map_tween[i].stop()
			map_tween[i].kill()
			
			map_tween[i]=get_tree().create_tween()
func show_map_animation(map_from,map_next):
	recreate_map_tween()
	map_from.modulate.a=1
	map_next.modulate.a=1
	var map=[map_0,map_1,map_2]
	for i in map:
		if not i in [map_from,map_next]:
			i.hide()
			i.modulate.a=1
		else:
			i.show()
	
	map_tween[0].tween_property(map_from,"modulate:a",0,0.1)
	map_tween[0].tween_callback(map_from.hide)
	map_tween[1].tween_property(map_next,"modulate:a",1,0.1)

	#map_from.hide()
	#map_next.show()
	pass
signal scene_change(scene_id:String)
var scale_rag:float=1:
	set(val):
		if val>scale_index_1 and val<scale_index_2 and (scale_rag<scale_index_1 or scale_rag>scale_index_2):
			show_map_animation(map_now,map_1)
			map_now=map_1
		elif val<=scale_index_1 and scale_rag>scale_index_1:
			show_map_animation(map_now,map_0)
			map_now=map_0
		elif val>scale_index_2 and scale_rag<scale_index_2:
			show_map_animation(map_now,map_2)
			map_now=map_2
		resize_map(scale_rag,val,get_global_mouse_position(),init_size)
		scale_rag=val
		pass
var scale_limit_min:float=1
var scale_limit_max:float=2
var scale_index_1:float=1.2
var scale_index_2:float=1.5
var map_data:Dictionary
func set_map(id:String):
	set_process(true)
	scale_rag=1
	map_data=Database.get_map_data(id)
	var map_index:Array=map_data["index"]
	for i in map_add_pos.get_children():
		if i is MapIndex:
			i.queue_free()
	var tscn=[load(map_index[0]).instantiate(),load(map_index[1]).instantiate(),load(map_index[2]).instantiate()]
	for i in tscn:
		map_add_pos.add_child(i)
		i.click.connect(click)
	map_0=tscn[0]
	map_1=tscn[1]
	map_2=tscn[2]
	map_1.hide()
	map_2.hide()
	map_0.show()
	map_now=map_0
	update_pointer()
	var scale_index:Array=map_data["scale_index"]
	var scale_limit:Array=map_data["scale_limit"]
	scale_limit_min=scale_limit[0]
	scale_limit_max=scale_limit[1]
	scale_index_1=scale_index[0]
	scale_index_2=scale_index[1]
	#var _init_size=map_data["init_size"]
	#init_size=Vector2(_init_size[0],_init_size[1])
	pass
func update_time():
	var time_dic:Dictionary=Global.get_time_dictionary()
	date.text=str(time_dic["year"])+"/"+str(time_dic["month"])+"/"+str(time_dic["day"])
	time.text=str(time_dic["hour"])+":"+"%02d"%[time_dic["minute"]]
func resize_map(before_rag:float,rag:float,mouse_pos:Vector2,init:Vector2):
	
	var l=rag/before_rag
	var now_pos=Vector2(scroll_container.scroll_horizontal,scroll_container.scroll_vertical)+mouse_pos
	now_pos*=l
	var result=now_pos-mouse_pos
	h_box_container.custom_minimum_size=init*rag
	scroll_container.set_deferred("scroll_horizontal", result.x)
	scroll_container.set_deferred("scroll_vertical", result.y)
	
func update_pointer():
	
	var now_scene_id=Global.get_now_scene()
	var pos=map_now.get_scene_global_pos(now_scene_id)-Vector2(pointer.size.x/2,pointer.size.y)
	pointer.global_position=pos
func click(scene_id:String):
	if scene_id==Global.get_now_scene():
		return 
	scene_change.emit(scene_id)
	var is_success:bool=Global.move_scene(scene_id,map_now.get_scene_distance(Global.get_now_scene(),scene_id))
	if is_success:
		self.hide()
		self.set_process(false)

@onready var init_size:Vector2=get_viewport().size
# Called when the node enters the scene tree for the first time.
func _ready() -> void:
	set_map("map_01")
	update_time()
	
	get_window().size_changed.connect(resize_map.bindv([scale_rag,scale_rag,get_global_mouse_position(),init_size]))
	Global.time_changed.connect(update_time)
	h_box_container.custom_minimum_size=init_size
	pass # Replace with function body.


# Called every frame. 'delta' is the elapsed time since the previous frame.
func _process(delta: float) -> void:
	init_size=get_viewport().size
	update_pointer()
	pass

var keep_tween:Tween
func _gui_input(event: InputEvent) -> void:
	if event is InputEventMouseMotion and Input.is_action_pressed("mouse_left"):
		var relative:Vector2=event.relative
		scroll_container.scroll_horizontal-=relative.x
		scroll_container.scroll_vertical-=relative.y
	if Input.is_action_pressed("mouse_up"):
		if keep_tween==null:
			keep_tween=get_tree().create_tween()
		else:
			keep_tween.stop()
			keep_tween.kill()
			keep_tween=get_tree().create_tween()
		keep_tween.tween_property(self,"scale_rag",clamp(scale_rag+0.2,scale_limit_min,scale_limit_max),0.1)
	if Input.is_action_just_pressed("mouse_down"):
		if keep_tween==null:
			keep_tween=get_tree().create_tween()
		else:
			keep_tween.stop()
			keep_tween.kill()
			keep_tween=get_tree().create_tween()
		keep_tween.tween_property(self,"scale_rag",clamp(scale_rag-0.2,scale_limit_min,scale_limit_max),0.1)
		


func _on_back_pressed() -> void:
	set_process(false)
	self.hide()
	pass # Replace with function body.


func _on_visibility_changed() -> void:
	#当地图开始显示的时候
	if visible:
		var tween=create_tween()
		tween.tween_property(self,"scale_rag",2,0.1)
		
		
		pass