extends Control

var player: Node = null
@onready var close_button: Button = $MenuPanel/MainVBox/CloseButton

# ===== SELL BUTTONS =====
@onready var sell_buttons = {
	"Marijuana Seeds": $MenuPanel/MainVBox/MainColumns/SellVBox/Sell_MarijuanaSeeds,
	"Soy Bean Seeds": $MenuPanel/MainVBox/MainColumns/SellVBox/Sell_SoyBeanSeeds,
	"Ration Pack": $MenuPanel/MainVBox/MainColumns/SellVBox/Sell_RationPack,
	"Dried Noodles": $MenuPanel/MainVBox/MainColumns/SellVBox/Sell_DriedNoodles,
	"Protein Paste": $MenuPanel/MainVBox/MainColumns/SellVBox/Sell_ProteinPaste,
	"Scrap Metal": $MenuPanel/MainVBox/MainColumns/SellVBox/Sell_ScrapMetal,
	"Multitool": $MenuPanel/MainVBox/MainColumns/SellVBox/Sell_Multitool,
	"Plasma Cutter (Damaged)": $MenuPanel/MainVBox/MainColumns/SellVBox/Sell_PlasmaCutter,
	"Cooking Knife": $MenuPanel/MainVBox/MainColumns/SellVBox/Sell_CookingKnife,
	"Circuit Board": $MenuPanel/MainVBox/MainColumns/SellVBox/Sell_CircuitBoard,
	"Beer Can": $MenuPanel/MainVBox/MainColumns/SellVBox/Sell_BeerCan,
	"Hotdog": $MenuPanel/MainVBox/MainColumns/SellVBox/Sell_Hotdog
}

# ===== BUY BUTTONS =====
@onready var buy_buttons = {
	"Ration Pack": $MenuPanel/MainVBox/MainColumns/BuyVBox/Buy_RationPack,
	"Dried Noodles": $MenuPanel/MainVBox/MainColumns/BuyVBox/Buy_DriedNoodles,
	"Protein Paste": $MenuPanel/MainVBox/MainColumns/BuyVBox/Buy_ProteinPaste,
	"Beer Can": $MenuPanel/MainVBox/MainColumns/BuyVBox/Buy_BeerCan,
	"Hotdog": $MenuPanel/MainVBox/MainColumns/BuyVBox/Buy_Hotdog
}

var sell_prices = {
	"Marijuana Seeds": 40,
	"Soy Bean Seeds": 25,
	"Ration Pack": 18,
	"Dried Noodles": 10,
	"Protein Paste": 14,
	"Scrap Metal": 15,
	"Multitool": 50,
	"Plasma Cutter (Damaged)": 65,
	"Cooking Knife": 28,
	"Circuit Board": 42,
	"Beer Can": 8,
	"Hotdog": 8
}

var buy_prices = {
	"Ration Pack": 15,
	"Dried Noodles": 12,
	"Protein Paste": 16,
	"Beer Can": 10,
	"Hotdog": 15
}

func _ready() -> void:
	for item_name in sell_buttons.keys():
		var button = sell_buttons[item_name]
		if button:
			button.pressed.connect(_sell.bind(item_name, sell_prices[item_name]))
		else:
			print("Missing sell button for: ", item_name)
	
	for item_name in buy_buttons.keys():
		var button = buy_buttons[item_name]
		if button:
			button.pressed.connect(_buy.bind(item_name, buy_prices[item_name]))
		else:
			print("Missing buy button for: ", item_name)
	
	if close_button:
		close_button.pressed.connect(_on_close_pressed)
	
	visible = false

## Claims menu input and gives controllers a predictable initial focus.
func open_menu(player_ref: Node) -> void:
	player = player_ref
	visible = true
	GameplayInput.set_menu_open(self, true)
	Input.mouse_mode = Input.MOUSE_MODE_VISIBLE
	_update_button_states()
	close_button.grab_focus()
	print("Vendor menu opened")

func _update_button_states() -> void:
	if player == null:
		return
	
	for item_name in sell_buttons.keys():
		var button = sell_buttons[item_name]
		if button:
			button.disabled = not player.inventory.has(item_name)
	
	for item_name in buy_buttons.keys():
		var button = buy_buttons[item_name]
		if button:
			button.disabled = player.money < buy_prices[item_name]

func _sell(item_name: String, price: int) -> void:
	if player == null:
		return
	if player.remove_item(item_name):
		player.add_money(price)
		print("Sold ", item_name, " for ", price, " credits")
		_update_button_states()
	else:
		print("You don't have ", item_name)

func _buy(item_name: String, price: int) -> void:
	if player == null:
		return
	if player.money >= price:
		player.add_money(-price)
		player.add_item(item_name)
		print("Bought ", item_name)
		_update_button_states()
	else:
		print("Not enough credits")

## Cancels the vendor without allowing the same event to reach gameplay.
func _unhandled_input(event: InputEvent) -> void:
	if visible and event.is_action_pressed("ui_cancel"):
		_on_close_pressed()
		get_viewport().set_input_as_handled()


## Releases menu ownership; the adapter clears queued and held commands.
func _on_close_pressed() -> void:
	visible = false
	GameplayInput.set_menu_open(self, false)
	Input.mouse_mode = Input.MOUSE_MODE_CAPTURED