extends Control
class_name SellingPayoutUI
## Selling & Creator Payout UI panel.
##
## Displays:
## - Tab 1 (Selling): Create new catalog item & marketplace listing, manage my active listings (update/delist)
## - Tab 2 (Payouts): Creator balance breakdown (available/pending/lifetime), submit payout request, view payout history
##
## docs/planning/economy.md US-6 (task 96e5f11d7896).

signal back_requested

@onready var back_button: Button = $VBox/HeaderHBox/BackButton
@onready var refresh_button: Button = $VBox/HeaderHBox/RefreshButton
@onready var status_label: Label = $VBox/StatusLabel
@onready var tab_container: TabContainer = $VBox/TabContainer

# Tab 1: Selling
@onready var item_name_input: LineEdit = $VBox/TabContainer/Selling/VBox/CreateListingBox/NameInput
@onready var item_type_option: OptionButton = $VBox/TabContainer/Selling/VBox/CreateListingBox/TypeOption
@onready var item_desc_input: LineEdit = $VBox/TabContainer/Selling/VBox/CreateListingBox/DescInput
@onready var price_input: LineEdit = $VBox/TabContainer/Selling/VBox/CreateListingBox/PriceInput
@onready var create_listing_btn: Button = $VBox/TabContainer/Selling/VBox/CreateListingBox/CreateBtn
@onready var my_listings_container: VBoxContainer = $VBox/TabContainer/Selling/VBox/Scroll/ListingsList

# Tab 2: Payouts
@onready var available_lbl: Label = $VBox/TabContainer/Payouts/VBox/BalanceCard/Margin/HBox/AvailableLbl
@onready var pending_lbl: Label = $VBox/TabContainer/Payouts/VBox/BalanceCard/Margin/HBox/PendingLbl
@onready var lifetime_lbl: Label = $VBox/TabContainer/Payouts/VBox/BalanceCard/Margin/HBox/LifetimeLbl

@onready var payout_amount_input: LineEdit = $VBox/TabContainer/Payouts/VBox/RequestBox/AmountInput
@onready var payout_dest_input: LineEdit = $VBox/TabContainer/Payouts/VBox/RequestBox/DestInput
@onready var request_payout_btn: Button = $VBox/TabContainer/Payouts/VBox/RequestBox/SubmitBtn
@onready var payouts_container: VBoxContainer = $VBox/TabContainer/Payouts/VBox/Scroll/PayoutsList

var _api_client: Node = null

var AudioManager: Node:
	get:
		return get_node_or_null("/root/AudioManager")


func _ready() -> void:
	_api_client = _get_api()
	_setup_type_options()
	_wire_signals()
	if _api_client != null and _api_client.has_token():
		refresh_all()


func _get_api() -> Node:
	if has_node("/root/ApiClient"):
		return get_node("/root/ApiClient")
	return null


func _setup_type_options() -> void:
	if not item_type_option:
		return
	item_type_option.clear()
	item_type_option.add_item("Avatar Item", 0)
	item_type_option.add_item("Asset", 1)
	item_type_option.add_item("Experience Pass", 2)


func _wire_signals() -> void:
	if back_button and not back_button.pressed.is_connected(_on_back_pressed):
		back_button.pressed.connect(_on_back_pressed)
	if refresh_button and not refresh_button.pressed.is_connected(refresh_all):
		refresh_button.pressed.connect(refresh_all)
	if create_listing_btn and not create_listing_btn.pressed.is_connected(_on_create_listing_pressed):
		create_listing_btn.pressed.connect(_on_create_listing_pressed)
	if request_payout_btn and not request_payout_btn.pressed.is_connected(_on_request_payout_pressed):
		request_payout_btn.pressed.connect(_on_request_payout_pressed)


func _on_back_pressed() -> void:
	back_requested.emit()
	if get_tree() and get_tree().current_scene == self:
		get_tree().change_scene_to_file("res://scenes/main_menu.tscn")


func _unhandled_input(event: InputEvent) -> void:
	if event.is_action_pressed("ui_cancel"):
		get_viewport().set_input_as_handled()
		_on_back_pressed()


func show_status(text: String, is_error: bool = false) -> void:
	if not status_label:
		return
	status_label.text = text
	if is_error:
		status_label.add_theme_color_override("font_color", Color(1.0, 0.3, 0.3))
	else:
		status_label.add_theme_color_override("font_color", Color(0.3, 0.9, 0.3))


func refresh_all() -> void:
	refresh_my_listings()
	refresh_creator_balance()
	refresh_payouts()


# ── Selling / Listings ──

func refresh_my_listings() -> void:
	var api = _get_api()
	if not api or not api.has_token():
		return

	# Fetch my items
	var items_res: Dictionary = await EconomyApiClient.get_catalog_items(api, true)
	# Fetch active listings
	var list_res: Dictionary = await EconomyApiClient.search_listings(api, "", "", -1, -1, 100, 0)

	if list_res.ok and list_res.data is Dictionary:
		var all_listings: Array = list_res.data.get("listings", [])
		# Filter for seller_id or user's items
		render_my_listings(all_listings)


func _on_create_listing_pressed() -> void:
	var api = _get_api()
	if not api or not api.has_token():
		show_status("Please login to create listings", true)
		return

	var item_name: String = item_name_input.text.strip_edges() if item_name_input else ""
	if item_name == "":
		show_status("Item name is required", true)
		return

	var itype: String = "avatar_item"
	if item_type_option:
		match item_type_option.selected:
			0: itype = "avatar_item"
			1: itype = "asset"
			2: itype = "experience_pass"

	var desc: String = item_desc_input.text.strip_edges() if item_desc_input else ""
	var price_text: String = price_input.text.strip_edges() if price_input else ""
	if not price_text.is_valid_int() or price_text.to_int() <= 0:
		show_status("Valid positive price in Buffalo Chips is required", true)
		return
	var price: int = price_text.to_int()

	show_status("Creating item and listing...")
	# 1. Create Catalog Item
	var item_res: Dictionary = await EconomyApiClient.create_catalog_item(api, item_name, itype, desc)
	if not item_res.ok or not item_res.data is Dictionary:
		show_status("Failed to create catalog item: " + item_res.detail, true)
		return

	var item_id: int = int(item_res.data.get("id", 0))

	# 2. Create Listing
	var list_res: Dictionary = await EconomyApiClient.create_listing(api, item_id, price)
	if list_res.ok:
		show_status("Successfully listed '%s' for %d Buffalo Chips!" % [item_name, price])
		if item_name_input: item_name_input.text = ""
		if item_desc_input: item_desc_input.text = ""
		if price_input: price_input.text = ""
		refresh_my_listings()
	else:
		show_status("Failed to create listing: " + list_res.detail, true)


func render_my_listings(listings: Array) -> void:
	if not my_listings_container:
		return

	for c in my_listings_container.get_children():
		my_listings_container.remove_child(c)
		c.queue_free()

	if listings.is_empty():
		var empty_lbl := Label.new()
		empty_lbl.text = "No listings found."
		empty_lbl.add_theme_color_override("font_color", Color(0.6, 0.6, 0.6))
		my_listings_container.add_child(empty_lbl)
		return

	for l in listings:
		if not l is Dictionary:
			continue
		var row := PanelContainer.new()
		var hbox := HBoxContainer.new()
		hbox.add_theme_constant_override("separation", 12)
		row.add_child(hbox)

		var cat_item: Dictionary = l.get("catalog_item", {})
		var name_lbl := Label.new()
		name_lbl.text = str(cat_item.get("name", "Item"))
		name_lbl.custom_minimum_size = Vector2(160, 0)
		name_lbl.add_theme_font_size_override("font_size", 14)
		hbox.add_child(name_lbl)

		var type_lbl := Label.new()
		type_lbl.text = str(cat_item.get("item_type", "")).replace("_", " ").capitalize()
		type_lbl.custom_minimum_size = Vector2(120, 0)
		type_lbl.add_theme_color_override("font_color", Color(0.5, 0.7, 1.0))
		hbox.add_child(type_lbl)

		var price_lbl := Label.new()
		price_lbl.text = "%d Buffalo Chips" % int(l.get("price", 0))
		price_lbl.custom_minimum_size = Vector2(80, 0)
		price_lbl.add_theme_color_override("font_color", Color(1.0, 0.8, 0.2))
		hbox.add_child(price_lbl)

		var status_lbl_item := Label.new()
		var l_status: String = str(l.get("status", ""))
		status_lbl_item.text = l_status.capitalize()
		status_lbl_item.size_flags_horizontal = Control.SIZE_EXPAND_FILL
		hbox.add_child(status_lbl_item)

		var listing_id: int = int(l.get("id", 0))
		if l_status == "active":
			var delist_btn := Button.new()
			delist_btn.text = "Delist"
			delist_btn.pressed.connect(_on_delist_pressed.bind(listing_id))
			hbox.add_child(delist_btn)

		my_listings_container.add_child(row)


func _on_delist_pressed(listing_id: int) -> void:
	var api = _get_api()
	if not api or not api.has_token():
		return
	show_status("Delisting listing #%d..." % listing_id)
	var res: Dictionary = await EconomyApiClient.delist_listing(api, listing_id)
	if res.ok:
		show_status("Listing #%d delisted" % listing_id)
		refresh_my_listings()
	else:
		show_status("Failed to delist: " + res.detail, true)


# ── Creator Balances & Payouts ──

func refresh_creator_balance() -> void:
	var api = _get_api()
	if not api or not api.has_token():
		return
	var res: Dictionary = await EconomyApiClient.get_creator_balance(api)
	if res.ok and res.data is Dictionary:
		var avail: int = int(res.data.get("available", 0))
		var pend: int = int(res.data.get("pending", 0))
		var life: int = int(res.data.get("lifetime_earned", 0))

		if available_lbl: available_lbl.text = "%d Buffalo Chips" % avail
		if pending_lbl: pending_lbl.text = "%d Buffalo Chips" % pend
		if lifetime_lbl: lifetime_lbl.text = "%d Buffalo Chips" % life


func refresh_payouts() -> void:
	var api = _get_api()
	if not api or not api.has_token():
		return
	var res: Dictionary = await EconomyApiClient.get_payouts(api)
	if res.ok and res.data is Array:
		render_payouts(res.data)


func _on_request_payout_pressed() -> void:
	var api = _get_api()
	if not api or not api.has_token():
		show_status("Please login to request payouts", true)
		return

	var amt_str: String = payout_amount_input.text.strip_edges() if payout_amount_input else ""
	if not amt_str.is_valid_int() or amt_str.to_int() < 100:
		show_status("Minimum payout amount is 100 Buffalo Chips", true)
		return
	var amount: int = amt_str.to_int()

	var dest: String = payout_dest_input.text.strip_edges() if payout_dest_input else ""
	show_status("Submitting payout request for %d Buffalo Chips..." % amount)
	var res: Dictionary = await EconomyApiClient.request_payout(api, amount, dest)
	if res.ok:
		AudioManager.play_coin()
		show_status("Payout request for %d Buffalo Chips submitted successfully!" % amount)
		if payout_amount_input: payout_amount_input.text = ""
		if payout_dest_input: payout_dest_input.text = ""
		refresh_creator_balance()
		refresh_payouts()
	else:
		show_status("Payout request failed: " + res.detail, true)


func render_payouts(payouts: Array) -> void:
	if not payouts_container:
		return

	for c in payouts_container.get_children():
		payouts_container.remove_child(c)
		c.queue_free()

	if payouts.is_empty():
		var empty_lbl := Label.new()
		empty_lbl.text = "No payout history."
		empty_lbl.add_theme_color_override("font_color", Color(0.6, 0.6, 0.6))
		payouts_container.add_child(empty_lbl)
		return

	for p in payouts:
		if not p is Dictionary:
			continue
		var row := PanelContainer.new()
		var hbox := HBoxContainer.new()
		hbox.add_theme_constant_override("separation", 12)
		row.add_child(hbox)

		var date_str: String = str(p.get("created_at", ""))
		if date_str.length() > 19:
			date_str = date_str.substr(0, 19).replace("T", " ")
		var date_lbl := Label.new()
		date_lbl.text = date_str
		date_lbl.custom_minimum_size = Vector2(140, 0)
		date_lbl.add_theme_color_override("font_color", Color(0.7, 0.7, 0.7))
		hbox.add_child(date_lbl)

		var amt_lbl := Label.new()
		amt_lbl.text = "%d Buffalo Chips" % int(p.get("amount", 0))
		amt_lbl.custom_minimum_size = Vector2(90, 0)
		amt_lbl.add_theme_font_size_override("font_size", 14)
		hbox.add_child(amt_lbl)

		var status_str: String = str(p.get("status", "")).capitalize()
		var stat_lbl := Label.new()
		stat_lbl.text = status_str
		stat_lbl.custom_minimum_size = Vector2(100, 0)
		if status_str == "Paid":
			stat_lbl.add_theme_color_override("font_color", Color(0.2, 0.9, 0.2))
		elif status_str == "Rejected":
			stat_lbl.add_theme_color_override("font_color", Color(0.9, 0.3, 0.3))
		else:
			stat_lbl.add_theme_color_override("font_color", Color(1.0, 0.8, 0.2))
		hbox.add_child(stat_lbl)

		var ref_lbl := Label.new()
		var ext_ref: String = str(p.get("external_ref", ""))
		var prov_ref: String = str(p.get("provider_ref", ""))
		if prov_ref != "":
			ref_lbl.text = "Ref: %s" % prov_ref
		elif ext_ref != "":
			ref_lbl.text = "Dest: %s" % ext_ref
		else:
			ref_lbl.text = "-"
		ref_lbl.size_flags_horizontal = Control.SIZE_EXPAND_FILL
		ref_lbl.add_theme_color_override("font_color", Color(0.5, 0.5, 0.5))
		hbox.add_child(ref_lbl)

		payouts_container.add_child(row)