extends Plugin

## itch.io plugin entrypoint
##
## Boots the ItchClient (which spawns and speaks to butlerd, itch's official
## JSON-RPC launcher daemon) and registers the Library implementation so
## installed itch.io games show up alongside everything else in the user's
## OpenGamepadUI library.

const ItchClient := preload("res://plugins/itch/core/itch_client.gd")

var settings_manager := load("res://core/global/settings_manager.tres") as SettingsManager
var notification_manager := load("res://core/global/notification_manager.tres") as NotificationManager
var settings_menu := load("res://plugins/itch/core/itch_settings.tscn") as PackedScene
var icon := preload("res://plugins/itch/assets/itch.svg")

var itch: ItchClient
var api_key := settings_manager.get_value("plugin.itch", "api_key", "") as String
var login_method := settings_manager.get_value("plugin.itch", "login_method", 0) as int
var username := settings_manager.get_value("plugin.itch", "username", "") as String


func _ready() -> void:
	logger = Log.get_logger("Itch", Log.LEVEL.INFO)

	# Load the itch client. This spawns butlerd in the background and
	# manages the JSON-RPC connection to it.
	itch = load("res://plugins/itch/core/itch_client.tscn").instantiate()
	itch.bootstrap_finished.connect(_on_client_start)
	itch.client_ready.connect(_on_client_ready)
	itch.logged_in.connect(_on_client_logged_in)
	add_child(itch)

	# Load the Library implementation
	var library: Library = load("res://plugins/itch/core/library_itch.tscn").instantiate()
	add_child(library)


# Triggers when butlerd has been spawned
func _on_client_start() -> void:
	if not itch.client_started:
		var notify := Notification.new("Unable to start the itch.io (butlerd) client")
		notify.icon = icon
		logger.error(notify.text)
		notification_manager.show(notify)
		return


# Triggers when butlerd has completed its handshake and is ready for calls
func _on_client_ready() -> void:
	# Always try butlerd's stored credentials first — this handles password
	# logins from previous runs without any stored tokens on our side.
	if await itch.try_saved_login():
		return
	if login_method == 0:
		# API key login
		if api_key == "":
			var notify := Notification.new("itch.io API key required")
			notify.icon = icon
			logger.info(notify.text)
			notification_manager.show(notify)
			return
		itch.login_with_api_key(api_key)
	else:
		# Username/password login
		if username == "":
			var notify := Notification.new("itch.io username required")
			notify.icon = icon
			logger.info(notify.text)
			notification_manager.show(notify)
			return
		var notify := Notification.new("itch.io: open plugin settings to log in")
		notify.icon = icon
		logger.info(notify.text)
		notification_manager.show(notify)


# Triggers when the itch client finishes a login attempt
func _on_client_logged_in(status: ItchClient.LOGIN_STATUS, profile: Dictionary) -> void:
	var notify := Notification.new("")
	notify.icon = icon

	if status == ItchClient.LOGIN_STATUS.OK:
		var uname: String = profile.get("user", {}).get("username", "")
		notify.text = "Successfully logged in to itch.io as " + uname
		logger.info(notify.text)
		notification_manager.show(notify)
		return

	notify.text = "Failed to log in to itch.io. Check your credentials in plugin settings."
	logger.warn(notify.text)
	notification_manager.show(notify)


# Return the settings menu scene
func get_settings_menu() -> Control:
	return settings_menu.instantiate()