extends Control

@export var tips: Array[String] = [
	"Use your cards wisely!",
	"Plan your moves ahead.",
	"Watch out for obstacles!",
	"Combine cards for powerful effects."
]

var is_loading: bool = false
var path: String = ""
var progress: Array[float] = []

@onready var progress_bar = $progress_bar
@onready var tip_value = $Control/tips/tip_value
@onready var scene_name_label = $Control/scene_name/name_of_load_scene
@onready var content_control = $Control

func _ready():
	set_process(false)

var load_start_time = 0.0
var stuck_time = 0.0
var last_progress = 0.0

func _process(delta):
	if is_loading:
		var status = ResourceLoader.load_threaded_get_status(path, progress)
		match status:
			ResourceLoader.THREAD_LOAD_IN_PROGRESS:
				if progress.size() > 0:
					var actual_progress = progress[0] * 100
					
					# If progress is actually advancing, use it and reset stuck timer
					if actual_progress > last_progress:
						progress_bar.value = actual_progress
						last_progress = actual_progress
						stuck_time = 0.0
					else:
						# Progress is stuck, increment stuck timer
						stuck_time += delta
						
						# If stuck for more than 0.5 seconds, start simulating progress
						if stuck_time > 0.5:
							# Calculate how much more progress needed
							var remaining_percent = 99.0 - progress_bar.value
							
							# Adjust increment speed based on how much progress we've already made
							# Slower at the beginning, faster near the end
							var increment_speed = 5.0 + (progress_bar.value / 20.0)
							
							# Apply increment
							progress_bar.value = min(progress_bar.value + increment_speed * delta, 99.0)
			
			ResourceLoader.THREAD_LOAD_LOADED:
				progress_bar.value = 100
				call_deferred("_handle_load_complete")
				
			ResourceLoader.THREAD_LOAD_FAILED:
				print("Loading failed: ", path)
				is_loading = false
				set_process(false)

func _handle_load_complete():
	var resource = ResourceLoader.load_threaded_get(path)
	if resource:
		change_scene(resource)
	else:
		print("Failed to get loaded resource")
	
	set_process(false)
	is_loading = false

func change_scene(resource: PackedScene):
	print("Loading complete. Switching scene...")
	# The Lobby (parent) should be removed by the caller or we handle it here if we are the root.
	# But in this architecture, the Lobby is a child of root or MainMenu? 
	# Actually, usually we use get_tree().change_scene_to_packed(resource)
	
	get_tree().change_scene_to_packed(resource)
	
	# Clean up self (Loading Screen)
	queue_free()


func load_level(_path: String):
	print("Starting load for: ", _path)
	path = _path
	show()
	content_control.show()
	
	if scene_name_label:
		scene_name_label.text = "Loading Game..." # _path.get_file().get_basename()
	
	if tips.size() > 0:
		$Control/tips.show()
		tip_value.text = tips.pick_random()
	else:
		$Control/tips.hide()
	
	# 1. Request Load
	var error = ResourceLoader.load_threaded_request(path)
	if error == OK:
		is_loading = true
		set_process(true)
	else:
		print("Failed to start loading: ", error)
		# Fallback?