extends Control
const AUCTION_CARD = preload("res://scene/auction_card.tscn")
var auction_card_arr:Array=[null,null,null]
@export var texture_arr:Array[Texture2D]=[]
@export var scale_parameter:float=0.5
var now_index:int=0:
	set(val):
		now_index=val
		if now_index!=now_auction_item_ind:
			%out_price_btn.disable(true)
		else:
			%out_price_btn.disable(false)
		
		update_out_price()
		pass
# Called when the node enters the scene tree for the first time.
func _ready() -> void:
	
	pass # Replace with function body.

func init_texture():
	for i in %card_add_pos.get_children():
		i.queue_free()
	now_index=0
	auction_card_arr[1]=AUCTION_CARD.instantiate()
	%card_add_pos.add_child(auction_card_arr[1])
	auction_card_arr[1].set_item_texture(texture_arr[0])
	auction_card_arr[1].global_position=%center_mask.global_position
	auction_card_arr[1].size=%center_mask.size
	auction_card_arr[1].modulate.a=1
	if texture_arr.size()>1:
		auction_card_arr[2]=AUCTION_CARD.instantiate()
		%card_add_pos.add_child(auction_card_arr[2])
		auction_card_arr[2].set_item_texture(texture_arr[0])
		auction_card_arr[2].global_position=%right_mark.global_position-%center_mask.size*scale_parameter/2
		auction_card_arr[2].size=%center_mask.size*scale_parameter
		auction_card_arr[2].set_item_texture(texture_arr[1])
		auction_card_arr[2].modulate.a=1
	pass

func left():
	if now_index>0:
		now_index-=1
		var before_center_card:AuctionCard=auction_card_arr[1]
		before_center_card.move_size_to(%right_mark.global_position-%center_mask.size*scale_parameter/2,%center_mask.size*scale_parameter,false)
		var before_left=auction_card_arr[0]
		if before_left is AuctionCard:
			before_left.move_size_to(%center_mask.global_position,%center_mask.size,false)
		if auction_card_arr[2]!=null:
			var rightcard=auction_card_arr[2] as AuctionCard
			rightcard.move_size_to(%right_out_mark.global_position-%center_mask.size*scale_parameter/2,%center_mask.size*scale_parameter,true)
		auction_card_arr.pop_back()
		if now_index>0:
			var new_card:AuctionCard=AUCTION_CARD.instantiate()
			%card_add_pos.add_child(new_card)
			new_card.global_position=%left_out_mark.global_position-%center_mask.size*scale_parameter/2
			new_card.size=%center_mask.size*scale_parameter
			new_card.move_size_to(%left_mark.global_position-%center_mask.size*scale_parameter/2,%center_mask.size*scale_parameter,false)
			new_card.set_item_texture(texture_arr[now_index-1])
			auction_card_arr.push_front(new_card)
		else:
			auction_card_arr.push_front(null)
func right():
	
	if now_index<texture_arr.size()-1:
		now_index+=1
		var before_center_card:AuctionCard=auction_card_arr[1]
		before_center_card.move_size_to(%left_mark.global_position-%center_mask.size*scale_parameter/2,%center_mask.size*scale_parameter,false)
		var before_right=auction_card_arr[2]
		if before_right is AuctionCard:
			before_right.move_size_to(%center_mask.global_position,%center_mask.size,false)
		if auction_card_arr[0]!=null:
			var leftcard=auction_card_arr[0] as AuctionCard
			leftcard.move_size_to(%left_out_mark.global_position-%center_mask.size*scale_parameter/2,%center_mask.size*scale_parameter,true)
		auction_card_arr.pop_front()
		if now_index<texture_arr.size()-1:
			var new_card:AuctionCard=AUCTION_CARD.instantiate()
			%card_add_pos.add_child(new_card)
			new_card.global_position=%right_out_mark.global_position-%center_mask.size*scale_parameter/2
			new_card.size=%center_mask.size*scale_parameter
			new_card.move_size_to(%right_mark.global_position-%center_mask.size*scale_parameter/2,%center_mask.size*scale_parameter,false)
			new_card.set_item_texture(texture_arr[now_index+1])
			auction_card_arr.push_back(new_card)
		else:
			auction_card_arr.push_back(null)
# Called every frame. 'delta' is the elapsed time since the previous frame.
func _process(delta: float) -> void:
	if timer.is_stopped():
		%time.hide()
	else:
		%time.show()
		%time.text=str(int(timer.time_left))
	pass
#决策
#已知这个人有钱x，当前竞拍物品标准价值y，人物需要程度z（0-1），当前竞拍价格a，最小加价b
func auction_bid_decision(x:int, y:int, z:float, a:int, b:int,t=0.7):
	var p_max:int=int(y*(1+z))
	if a+b>=p_max ||a+b>x:
		return null
	var r=randf()
	if r>t:
		if randf()>0.5:
			return null
		else:
			var res:int= randi_range(a+b,p_max)
			if res>x:
				return null
			else:
				return res
	else:
		return a+b

func _on_test_pressed() -> void:
	set_npc_arr_and_item_arr([Database.get_npc_data("npc_01"),Database.get_npc_data("npc_02")],[Database.get_item_data("item_01"),Database.get_item_data("item_02")])
	pass # Replace with function body.
#本场参与拍卖的NPC字典数组
var npc_arr:Array=[]
#本场物品数组
var item_arr:Array=[]
#随机需求数组
var npc_need_item_arr:Array=[]

var now_auction_item_ind:int=0:
	set(val):
		now_auction_item_ind=val
		if now_index!=now_auction_item_ind:
			%out_price_btn.disable(true)
		else:
			%out_price_btn.disable(false)
#报价历史数组
#[[[npc序列,价格],[npc序列（玩家为-1）,价格]....],...]

var auction_price_arr:Array=[[]]
#最小加价
var min_price_add:int=10
func start_turn():
	var res_arr=auction_price_arr[now_auction_item_ind]
	var now_item=item_arr[now_auction_item_ind]
	for i in npc_arr.size():
		var now_price:int=0
		if res_arr.size()==0:
			now_price=now_item["price"]/2
		else:
			now_price=res_arr[res_arr.size()-1][1]
		var npc_data=npc_arr[i]
		var out_price=auction_bid_decision(npc_data["gold"],now_item["price"],npc_need_item_arr[i][now_auction_item_ind],now_price,min_price_add)
		if out_price!=null:
			
			res_arr.append([i,out_price])
	timer.start(30)
	update_out_price()
	
const AUCTION_LABEL = preload("res://scene/auction_label.tscn")

func update_out_price():
	for i in %label_add_pos.get_children():
		i.queue_free()
	var res_arr
	if now_index<auction_price_arr.size():
		res_arr=auction_price_arr[now_index]
	else:
		res_arr=[]
	for i in res_arr:
		var new_label=AUCTION_LABEL.instantiate()
		var str=""
		if i[0]>=0:
			str+=npc_arr[i[0]]["name"]
		else:
			str+="我"
			new_label.add_theme_color_override("font_color",Color.GREEN)
		if i[1]<0:
			str+="拍下了此物品"
		else:
			str+=(":出价"+str(i[1]))
			pass
		new_label.text=str
		%label_add_pos.add_child(new_label)
	
	
	pass
func set_npc_arr_and_item_arr(npc_arr:Array,item_arr:Array):
	npc_need_item_arr.clear()
	auction_price_arr=[[]]
	self.npc_arr=npc_arr
	self.item_arr=item_arr
	#填写随机需求
	for i in npc_arr.size():
		npc_need_item_arr.append([])
		for j in item_arr:
			npc_need_item_arr[i].append(randf_range(0.5,1))
	now_auction_item_ind=0
	start_turn()
	timer.start()
	texture_arr.clear()
	for i in item_arr:
		texture_arr.append(Database.get_texture(i["texture"]))
	init_texture()
	pass

@onready var timer: Timer = $Timer

func _on_timer_timeout() -> void:
	timer.stop()
	var res_arr=auction_price_arr[now_auction_item_ind]
	if res_arr.size()!=0:
		var left_arr=res_arr[res_arr.size()-1]
		var left_ind:int=left_arr[0]
		var left_price:int=left_arr[1]
		if left_ind<0:
			Global.add_item_to_bag(item_arr[now_auction_item_ind])
			Global.change_currency_game(1,-left_price)
			pass
		else:
			add_item_to_npc(item_arr[now_auction_item_ind],npc_arr[left_ind])
		res_arr.append([left_ind,-1])
		pass
	if now_index==now_auction_item_ind:
		right()
	
	now_auction_item_ind+=1
	if now_auction_item_ind<item_arr.size():
		auction_price_arr.append([])
		start_turn()
	else:
		_on_close_pressed()
		pass
		#拍卖结束
	pass # Replace with function body.
#向NPC背包中添加item
func add_item_to_npc(item_data:Dictionary,npc_data:Dictionary):
	if item_data["allow_merge"]:
		for i in npc_data["sold_item"]:
			if i["id"]==item_data["id"]:
				if i.has("num"):
					i["num"]+=item_data["num"]
				else:
					i["num"]=2
				return
		npc_data["sold_item"].append(item_data)
	else:
		npc_data["sold_item"].append(item_data)

#钱 npc_data["gold"]
	
	


func _on_out_price_btn_pressed() -> void:
	var price=%price_edit.value
	var res_arr=auction_price_arr[now_auction_item_ind]
	var now_item=item_arr[now_auction_item_ind]
	var now_price:int=0
	if res_arr.size()==0:
		now_price=now_item["price"]/2
	else:
		now_price=res_arr[res_arr.size()-1][1]
	if price-now_price>=min_price_add and price<=Global.get_currency_game(1):
		res_arr.append([-1,price])
		timer.stop()
		update_out_price()
		start_turn()
		timer.start(30)
	pass # Replace with function body.

func get_now_item():
	if now_index<item_arr.size():
		return item_arr[now_index]
	else:
		return null


func _on_jump_pressed() -> void:
	_on_timer_timeout()
	pass # Replace with function body.

signal close
func _on_close_pressed() -> void:
	self.hide()
	close.emit()
	timer.stop()
	pass # Replace with function body.


func _on_bag_pressed() -> void:
	%warehouse.show()
	%warehouse.fresh()
	timer.paused=true
	pass # Replace with function body.


func _on_warehouse_close() -> void:
	timer.paused=false
	pass # Replace with function body.