extends Control

@onready var panel_container = $Background/HBoxContainer/MarginContainer/VBoxContainer/FaceMarginContainer/PanelContainer
@onready var margin_container = $Background/HBoxContainer/MarginContainer/VBoxContainer/FaceMarginContainer/PanelContainer/MarginContainer
@onready var patient_file = $Background/HBoxContainer/MarginContainer/VBoxContainer/FaceMarginContainer/PanelContainer/MarginContainer/FileContainer/PatientFile
@onready var patient_file_title = $Background/HBoxContainer/MarginContainer/VBoxContainer/FaceMarginContainer/PanelContainer/MarginContainer/FileContainer/HBoxContainer/PatientFileTitle
@onready var patient_recording = $Background/HBoxContainer/MarginContainer/VBoxContainer/FaceMarginContainer/PanelContainer/MarginContainer/RecordingContainer/Recording
@onready var patient_recording_title = $Background/HBoxContainer/MarginContainer/VBoxContainer/FaceMarginContainer/PanelContainer/MarginContainer/RecordingContainer/HBoxContainer/RecordTitle
@onready var face_zoom = $Background/HBoxContainer/MarginContainer/VBoxContainer/FaceMarginContainer/FaceZoom
@onready var alone_controls = $Background/HBoxContainer/MarginContainer/VBoxContainer/ControlsMarginContainer/Alone
@onready var patient_controls = $Background/HBoxContainer/MarginContainer/VBoxContainer/ControlsMarginContainer/Patient
@onready var end_of_day_controls = $Background/HBoxContainer/MarginContainer/VBoxContainer/ControlsMarginContainer/EndOfDay
@onready var patient_texture = $Background/HBoxContainer/Desk/PatientTextureRect
@onready var patient_dialogue_resource: Resource
@onready var end_of_day_dialogue_resource = load("res://Dialogues/end_of_day.dialogue")
@onready var balloon: Node
@onready var patient_emotions : Dictionary

signal recovery_pressed



# Called when the node enters the scene tree for the first time.
func _ready() -> void:
	
	#Connecting signals
	alone_controls.get_node("PatientFile").pressed.connect(self._on_patient_file_pressed)
	alone_controls.get_node("Guidebook").pressed.connect(self._on_guidebook_pressed)
	alone_controls.get_node("CallNextPatient").pressed.connect(self._on_call_next_patient_pressed)
	
	patient_controls.get_node("PatientFile").pressed.connect(self._on_patient_file_pressed)
	patient_controls.get_node("Guidebook").pressed.connect(self._on_guidebook_pressed)
	patient_controls.get_node("PatientRecording").pressed.connect(self._on_patient_recording_pressed)
	patient_controls.get_node("Examine").pressed.connect(self._on_examine_pressed)
	patient_controls.get_node("Containment").pressed.connect(self._on_containment_pressed)
	patient_controls.get_node("PsychWard").pressed.connect(self._on_psych_ward_pressed)
	
	end_of_day_controls.get_node("Recovery").pressed.connect(self._on_recovery_pressed)
	
	#Hiding everything
	self.hide()
		#Hiding Top Right Panel
	panel_container.hide()
	for node in margin_container.get_children():
		node.hide()
	face_zoom.hide()
		#Hiding Bottom Right Panel
	alone_controls.hide()
	patient_controls.hide()
	end_of_day_controls.hide()
		#Hiding Patient
	patient_texture.hide()



#Sets Up New Patient
func new_patient(patient_id):
	
	#Loading Patient Files
	var file_path: String = "res://Dialogues/Patients/patient_" + patient_id + "_file.txt"
	var file = FileAccess.open(file_path, FileAccess.READ)
	var file_content = file.get_as_text()

	patient_file.text = file_content
	patient_file_title.text = "\nPATIENT FILE #" + patient_id
	file.close()
	
	#Loading Patient Recording
	patient_recording.text = ""
	patient_recording_title.text = "\nPATIENT RECORDING #" + patient_id
	
	#Loading Patient Texture
	file_path = "res://Art/Patients/patient_" + patient_id + "/patient_" + patient_id + "_full.png"
	patient_texture.texture = load(file_path)
	
	#Loading Face Emotions
	var face: Resource
	var emotion_branch: Dictionary
	
	for emotion in ["neutral", "smiling", "angry", "scared", "sad"]:
		file_path = "res://Art/Patients/patient_" + patient_id + "/patient_" + patient_id + "_" + emotion + ".png"
		face = load(file_path)
		if face != null:
			emotion_branch = {emotion: face}
			patient_emotions.merge(emotion_branch)
	
	#Loading Default Face 
	face_zoom.texture = patient_emotions["neutral"]
	
	#Loading Dialogue Resource
	var dialogue_resource_path = "res://Dialogues/Patients/patient_" + patient_id + ".dialogue"
	patient_dialogue_resource = load(dialogue_resource_path)



func _on_patient_file_pressed():
	
	for node in margin_container.get_children():
		node.hide()
	panel_container.show()
	face_zoom.hide()
	margin_container.get_node("FileContainer").show()



func _on_guidebook_pressed():
	
	for node in margin_container.get_children():
		node.hide()
	panel_container.show()
	face_zoom.hide()
	margin_container.get_node("Rules").show()



func _on_call_next_patient_pressed():
	
	#Hiding and Showing appropriate scenes
	var scenes_to_hide = [alone_controls, panel_container] + margin_container.get_children()
	var scenes_to_show = [patient_controls,patient_texture,face_zoom]
	TransitionScreen.transition("big", scenes_to_hide, scenes_to_show)
	await TransitionScreen.transition_finished
	
	#Starting Dialogue
	start_balloon(patient_dialogue_resource, "start")



func _on_patient_recording_pressed():
	
	for node in margin_container.get_children():
		node.hide()
	panel_container.show()
	face_zoom.hide()
	margin_container.get_node("RecordingContainer").show()



func _recording_text(dialogue_line):
	
	var line = dialogue_line.text
	var character = dialogue_line.character
	var character_colour : String
	
	patient_recording.append_text("\n\n")
	
	#Adjusting Character Colour
	if character != "":
		if character == "You":
			character_colour = "[color=darkgreen]"
		else :
			character_colour = "[color=darkred]"
		patient_recording.append_text(character_colour + character + "[/color]\n")
		
	patient_recording.append_text(line)



func _on_examine_pressed():
	
	for node in margin_container.get_children():
		node.hide()
	panel_container.hide()
	face_zoom.show()



func _change_emotion(dialogue_line) -> void:
	
	var line_tag = dialogue_line.tags

	if line_tag.is_empty() == false:
		var new_emotion = line_tag[0]
		print("Emotion changed to ", new_emotion)
		face_zoom.texture = patient_emotions[new_emotion]



func _on_containment_pressed():
	
	var lambda = func(): clear_patient("containment")
	var choice_text = "[center]Do you really want to send this patient to [color=darkred]Containment[/color] ?[/center]"
	
	UI.ask_confirmation(lambda, Callable(), choice_text)



func _on_psych_ward_pressed():
	
	var lambda = func(): clear_patient("psych_ward")
	var choice_text = "[center]Do you really want to send this patient to the [color=darkgreen]Psych Ward[/color] ?[/center]"
	
	UI.ask_confirmation(lambda, Callable(), choice_text)



func start_balloon(dialogue_resource: Resource, start_title: String):
	
	#Freeing Previous Balloon and Disconnecting DialogueManager signals
	clean_balloon()
	
	#Instantiating a custom balloon
	var Balloon: Resource = load("res://Dialogues/balloon_small.tscn")
	balloon = Balloon.instantiate()
	get_tree().current_scene.add_child(balloon)
	
	#Starting Dialogue and connecting DialogueManager signals
	DialogueManager.got_dialogue.connect(_change_emotion)
	DialogueManager.got_dialogue.connect(_recording_text)
	balloon.start(dialogue_resource, start_title)



func clear_patient(choice:String):
	
	#Hiding Patient Controls and showing Patient Face
	patient_controls.hide()
	_on_examine_pressed()
	
	#Final Patient Dialogue
	start_balloon(patient_dialogue_resource, choice)
	await DialogueManager.dialogue_ended
	
	#Transitioning
	var scenes_to_hide = [patient_controls, patient_texture, face_zoom, panel_container] + margin_container.get_children()
	var scenes_to_show:Array[Node]
	
	Globals.patient_count += 1
	if Globals.patient_count < Globals.daily_patient_limit:
		scenes_to_show.append(alone_controls)
	else:
		scenes_to_show.append(end_of_day_controls)
	
	TransitionScreen.transition("big", scenes_to_hide, scenes_to_show)
	await TransitionScreen.transition_finished
	

	if Globals.patient_count < Globals.daily_patient_limit:
		#Setting Up Next Patient
		new_patient("564")
	else:
		Globals.patient_count = 1
		
		#Starting End of Day Dialogue
		var start_title = "end_of_day_" + str(Globals.day_count)
		start_balloon(end_of_day_dialogue_resource, start_title)



func _on_recovery_pressed():
	
	clean_balloon()
	recovery_pressed.emit()



func clean_balloon():
	
	#Freeing Previous Balloon and Disconnecting DialogueManager signals
	if is_instance_valid(balloon):
		balloon.queue_free()
	if DialogueManager.is_connected("got_dialogue", _change_emotion):
		DialogueManager.disconnect("got_dialogue", _change_emotion)
	if DialogueManager.is_connected("got_dialogue", _recording_text):
		DialogueManager.disconnect("got_dialogue", _recording_text)



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