extends Control

@export var TitleScreen: PackedScene
@export var ScreeningDesk: PackedScene
@export var Bedroom: PackedScene
@export var TextScreens: PackedScene
@export var DialogueScreens: PackedScene


# Called when the node enters the scene tree for the first time.
func _ready() -> void:
	
	#Adding Scenes
	var title_screen = TitleScreen.instantiate()
	var screening_desk = ScreeningDesk.instantiate()
	var bedroom = Bedroom.instantiate()
	var text_screens = TextScreens.instantiate()
	var dialogue_screens = DialogueScreens.instantiate()
	
	add_child(title_screen)
	add_child(screening_desk)
	add_child(bedroom)
	add_child(text_screens)
	add_child(dialogue_screens)

	#Naming Scenes
	title_screen.name = "TitleScreen"
	screening_desk.name = "ScreeningDesk"
	bedroom.name = "Bedroom"
	text_screens.name = "TextScreens"
	dialogue_screens.name = "DialogueScreens"
	
	#Showing TitleScreen
	title_screen.show()
	
	#Connecting Signals
	title_screen.connect("new_game_pressed", self._on_new_game_pressed)
	title_screen.connect("load_pressed", self._on_load_pressed)
	title_screen.connect("settings_pressed", self._on_settings_pressed)
	screening_desk.connect("recovery_pressed", self._on_recovery_pressed)
	
	pass



# Called every frame. 'delta' is the elapsed time since the previous frame.
func _process(delta: float) -> void:
	pass



# Starts a new game
func _on_new_game_pressed():
	
	#Offering to skip Introduction
	UI.confirmation_text.text = "[center]Do you wish to skip the introduction ?[/center]"
	UI.confirmation_yes.pressed.connect(skip_intro, CONNECT_ONE_SHOT)
	UI.confirmation_no.pressed.connect(play_intro, CONNECT_ONE_SHOT)
	UI.confirmation_dialog.show()
	TransitionScreen.mask.visible = true



#Skips the introduction
func skip_intro():
	
	#Disconnecting the other Signal from the Confirmation Dialogue
	UI.confirmation_no.disconnect("pressed", play_intro)
	
	#Starting Day Loop
	start_day_loop()



#Plays the entire introduction
func play_intro():
	
	#Disconnecting the other Signal from the Confirmation Dialogue
	UI.confirmation_yes.disconnect("pressed", skip_intro)
	
	#Playing the Intro
		#Text Slides
	var text_container = $TextScreens/MarginContainer/IntroBoxContainer/TextContainer
	
	TransitionScreen.transition("big", [$TitleScreen], [$TextScreens, $TextScreens/MarginContainer/IntroBoxContainer/Header, text_container.get_child(0), UI, UI.get_node("UI/SkipContainer")])
	await UI.next_slide
	for i in 4:
		TransitionScreen.transition("small", [text_container.get_child(i)], [text_container.get_child(i+1)])
		await UI.next_slide
	
		#Meeting Room Dialogue
	TransitionScreen.transition("big", [$TextScreens, $TextScreens/MarginContainer, text_container.get_child(4), UI, UI.get_node("UI/SkipContainer")], [$DialogueScreens])
	await TransitionScreen.transition_finished
	
	DialogueManager.show_dialogue_balloon(Globals.dialogue_intro, "start")
	await DialogueManager.dialogue_ended
	
	#Starting Day Loop
	start_day_loop()



#Starts the Day Loop
func start_day_loop():
	
	#Transitioning to Day Screen
	$TextScreens/Day.text = "[center]DAY " + str(Globals.day_count) + "[/center]"
	TransitionScreen.transition("big", [$DialogueScreens, $TitleScreen], [$TextScreens, $TextScreens/Day])
	await TransitionScreen.transition_finished
	await get_tree().create_timer(3.0).timeout
	
	#Transitioning to the Screening Desk
	TransitionScreen.transition("big", [$TextScreens, $TextScreens/Day], [$ScreeningDesk, $ScreeningDesk.alone_controls, UI, UI.get_node("UI/UpperContainer")])
	await TransitionScreen.transition_finished
	
	#Finally starting the Game Loop
	$ScreeningDesk.new_patient(Globals.patient_id)



func _on_recovery_pressed():
	
	var scenes_to_hide = [$ScreeningDesk.end_of_day_controls, $ScreeningDesk]
	var scenes_to_show:Array[Node] = [$Bedroom]
	TransitionScreen.transition("big", scenes_to_hide, scenes_to_show)
	await TransitionScreen.transition_finished
	
	DialogueManager.show_dialogue_balloon(Globals.dialogue_recovery, "end_of_day_" + str(Globals.day_count))
	await DialogueManager.dialogue_ended
	
	Globals.day_count += 1
	
	#Transitioning to Day Screen
	$TextScreens/Day.text = "[center]DAY " + str(Globals.day_count) + "[/center]"
	scenes_to_hide = [$Bedroom]
	scenes_to_show = [$TextScreens, $TextScreens/Day]
	TransitionScreen.transition("big", scenes_to_hide, scenes_to_show)
	await TransitionScreen.transition_finished
	await get_tree().create_timer(3.0).timeout
	
	#Transitioning to Screening Desk
	scenes_to_hide = scenes_to_show
	scenes_to_show = [$ScreeningDesk, $ScreeningDesk.alone_controls]
	TransitionScreen.transition("big", scenes_to_hide, scenes_to_show)
	await TransitionScreen.transition_finished
	$ScreeningDesk.new_patient(Globals.patient_id)



func save_game(save_slot:String):
	
	var save_data = {
		"day_count": Globals.day_count,
		"patient_count": Globals.patient_count,
		"patient_id": Globals.patient_id
		}
		
	var file = FileAccess.open("res://Saves/save_" + save_slot + ".json", FileAccess.WRITE)
	if file:
		var json_string = JSON.stringify(save_data)
		print(json_string)
		file.store_string(json_string)
		file.close()
		print("Game saved successfully!")
	else:
		print("Failed to open file for saving.")



func load_game(save_slot:String):
	
	var file = FileAccess.open("res://Saves/save_" + save_slot + ".json", FileAccess.READ)
	if file:
		var json_string = file.get_as_text()
		file.close()
		var load_data = JSON.parse_string(json_string)
		
		if load_data == OK:
			print(load_data)
			Globals.day_count = load_data["day_count"]
			Globals.patient_count = load_data["patient_count"]
			Globals.patient_id = load_data["patient_id"]
		else:
			print("Failed to parse Loading Data.")



func _on_save_pressed():