Add password login and collection visibility settings

core/itch_settings.gd

@@ -16,21 +16,34 @@ const icon := preload("res://plugins/itch/assets/itch.svg")
 
 @onready var status_label: Label = $%StatusLabel
 @onready var api_key_box: LineEdit = $%ApiKeyInput
+@onready var username_box: LineEdit = $%UsernameInput
+@onready var password_box: LineEdit = $%PasswordInput
+@onready var login_method: OptionButton = $%LoginMethod
 @onready var save_button: Button = $%SaveButton
 @onready var help_label: Label = $%HelpLabel
 @onready var filter_check: CheckBox = $%FilterUnsupported
+@onready var show_purchases_check: CheckBox = $%ShowPurchases
+@onready var collections_container: VBoxContainer = $%CollectionsContainer
 
 @onready var itch: ItchClient = get_tree().get_first_node_in_group("itch_client")
 
+var _collection_checks: Dictionary = {}
+
 
 func _ready() -> void:
 	var api_key := settings_manager.get_value("plugin.itch", "api_key", "") as String
 	api_key_box.text = api_key
 	api_key_box.secret = true
 
-	filter_check.button_pressed = settings_manager.get_value("plugin.itch", "filter_unsupported", true) as bool
+	var saved_method: int = settings_manager.get_value("plugin.itch", "login_method", 0) as int
+	login_method.selected = saved_method
+	_on_login_method_changed(saved_method)
 
-	help_label.text = "Get an API key from https://itch.io/user/settings/api-keys"
+	var username := settings_manager.get_value("plugin.itch", "username", "") as String
+	username_box.text = username
+
+	filter_check.button_pressed = settings_manager.get_value("plugin.itch", "filter_unsupported", true) as bool
+	show_purchases_check.button_pressed = settings_manager.get_value("plugin.itch", "show_purchases", true) as bool
 
 	_update_status()
 	itch.client_ready.connect(_update_status)
@@ -38,6 +51,11 @@ func _ready() -> void:
 
 	save_button.pressed.connect(_on_save_button)
 	filter_check.toggled.connect(_on_filter_toggled)
+	login_method.item_selected.connect(_on_login_method_changed)
+	show_purchases_check.toggled.connect(_on_show_purchases_toggled)
+
+	# Build collection checkboxes once we're logged in.
+	itch.logged_in.connect(_populate_collections.bind(), CONNECT_ONE_SHOT)
 
 
 func _update_status() -> void:
@@ -62,16 +80,82 @@ func _on_login(status: ItchClient.LOGIN_STATUS, _profile: Dictionary) -> void:
 	if status == ItchClient.LOGIN_STATUS.OK:
 		notify.text = "Successfully logged in to itch.io"
 	else:
-		notify.text = "itch.io login failed. Double check your API key."
+		notify.text = "itch.io login failed. Double check your credentials."
 	notification_manager.show(notify)
 
 
+func _on_login_method_changed(idx: int) -> void:
+	# API key mode: show API key input, hide user/pass.
+	# Password mode: show user/pass, hide API key.
+	var is_api := idx == 0
+	api_key_box.visible = is_api
+	username_box.visible = not is_api
+	password_box.visible = not is_api
+	help_label.visible = is_api
+
+
 func _on_save_button() -> void:
-	var api_key: String = api_key_box.text.strip_edges()
-	settings_manager.set_value("plugin.itch", "api_key", api_key)
-	if api_key == "":
+	var method: int = login_method.selected
+	settings_manager.set_value("plugin.itch", "login_method", method)
+
+	if method == 0:
+		# API key login
+		var api_key: String = api_key_box.text.strip_edges()
+		settings_manager.set_value("plugin.itch", "api_key", api_key)
+		if api_key == "":
+			return
+		itch.login_with_api_key(api_key)
+	else:
+		# Username/password login
+		var username: String = username_box.text.strip_edges()
+		var password: String = password_box.text
+		settings_manager.set_value("plugin.itch", "username", username)
+		if username == "" or password == "":
+			return
+		itch.login_with_password(username, password)
+
+
+## Fetches the user's collections and builds a checkbox for each one.
+func _populate_collections(_status: ItchClient.LOGIN_STATUS, _profile: Dictionary) -> void:
+	if not itch.is_logged_in:
 		return
-	itch.login_with_api_key(api_key)
+	var profile_id: int = itch.profile.get("user", {}).get("id", itch.profile.get("id", 0))
+	var res := await itch._rpc_call("Fetch.ProfileCollections", {"profileId": profile_id})
+	if "error" in res:
+		return
+	var collections: Array = res.get("items", [])
+
+	# Load saved visibility state.
+	var hidden: Dictionary = settings_manager.get_value("plugin.itch", "hidden_collections", {}) as Dictionary
+
+	# Clear old checkboxes.
+	for child in collections_container.get_children():
+		child.queue_free()
+	_collection_checks.clear()
+
+	for c in collections:
+		var collection: Dictionary = c
+		var col_name: String = collection.get("title", "Collection " + str(collection.get("id", "")))
+		var col_id: String = str(collection.get("id", 0))
+		var check := CheckBox.new()
+		check.text = col_name
+		check.button_pressed = not hidden.has(col_id)
+		check.toggled.connect(_on_collection_toggled.bind(col_id))
+		collections_container.add_child(check)
+		_collection_checks[col_id] = check
+
+
+func _on_collection_toggled(pressed: bool, col_id: String) -> void:
+	var hidden: Dictionary = settings_manager.get_value("plugin.itch", "hidden_collections", {}) as Dictionary
+	if pressed:
+		hidden.erase(col_id)
+	else:
+		hidden[col_id] = true
+	settings_manager.set_value("plugin.itch", "hidden_collections", hidden)
+
+
+func _on_show_purchases_toggled(pressed: bool) -> void:
+	settings_manager.set_value("plugin.itch", "show_purchases", pressed)
 
 
 ## Persists the platform filter and reloads the itch.io library so the