extends Control

export(NodePath) var main_input_path
onready var main_input = get_node(main_input_path)

export(NodePath) var message_scroller_path
onready var msg_scroll = get_node(message_scroller_path)

export(NodePath) var message_container_path
onready var msg_cont = get_node(message_container_path)

export(NodePath) var username_label_path
onready var username_label = get_node(username_label_path)

#export(NodePath) var upload_button_path
#onready var upload_button = get_node(username_label_path)

#---------
onready var bg_texture1 = preload("res://assets/textures/bg1.png")
onready var bg_texture2 = preload("res://assets/textures/bg2.png")

onready var round_shader = preload("res://assets/textures/profilepicture/shape.shader")
onready var round_shape = preload("res://assets/textures/profilepicture/shape.png")
onready var username_font = preload("res://assets/fonts/username_label.tres")
onready var date_font = preload("res://assets/fonts/date_label.tres")

onready var first_user_data = preload("res://system/users/first_user.tres")
onready var second_user_data = preload("res://system/users/second_user.tres")

func _ready():
	username_label.set_text(first_user_data.username)

func _on_CheckButton_toggled(button_pressed):
	if button_pressed == true:
		username_label.set_text(second_user_data.username)
	elif button_pressed == false:
		username_label.set_text(first_user_data.username)

func _input(event):
	if event is InputEventKey:
		if Input.is_action_just_pressed("ui_accept"):
			create_message()
		elif Input.is_action_just_released("ui_accept"):
			var test = msg_cont.get_size().y
			var scroller = msg_scroll.get_child(2)
			scroller.set("value", test)
			main_input.set_text("")

func create_message():

	var text_content = main_input.get_text()
	var username = username_label.get_text()
	var resource = Message.new()
	resource.user = username

	# Define date
	var os_time = OS.get_datetime()
	var storaged_today = OS.get_datetime().day

	if storaged_today == os_time.day:
		resource.date = "Today, at " + str(OS.get_datetime().hour) + ":" + str(OS.get_datetime().minute)
	elif storaged_today == os_time.day +1:
		resource.date = "yesterday"


	resource.content = text_content
	
	if username_label.get_text() == first_user_data.username:
		resource.profile_picture = first_user_data.picture
	elif username_label.get_text() == second_user_data.username:
		resource.profile_picture = second_user_data.picture

	var msg_min_h_size = 0
	var msg_header_h_size = 0
	if text_content.length() < 25:
		msg_min_h_size = 50
		msg_header_h_size = 25
	else:
		msg_min_h_size = 350
		msg_header_h_size = 300

	var datetime = OS.get_datetime()

	var user = resource.user
	var date = resource.date
	var content = resource.content
	var pfp = resource.profile_picture
	

	# root is a HBoxContainer.
	var root = HBoxContainer.new()
	root.set_name("message0")
	msg_cont.add_child(root)

	# Icon is a texture_rect connected to the root.
	# HBoxContainer/TextureRect
	# Settings are...
	# Texture: Should load texture from 'Resource.new()' once sent a message.
	# Expand: On
	# Stretch Mode: Keep Aspect
	# Size Flags: Null
	var profile_picture = TextureRect.new()
	var core_shader = ShaderMaterial.new()
	var real_shader = Shader.new()
	core_shader.set_shader(real_shader)
	var round_shader_txt = round_shader.get_code()
	core_shader.set_shader_param("mask", round_shape)
	real_shader.set_code(round_shader_txt)
	profile_picture.set_texture(pfp)
	profile_picture.set_custom_minimum_size(Vector2(65, 65)) 
	profile_picture.expand = true
	profile_picture.size_flags_horizontal = 0
	profile_picture.size_flags_vertical = 0
	profile_picture.set_name("profile_picture")
	profile_picture.set_material(core_shader)
	
	

	# Main node for message's Header and Body
	# Separates sections of Header and Body
	var GridStructure = VBoxContainer.new()
	GridStructure.set_name("GridStructure")

	if username_label.get_text() == first_user_data.username:
		root.add_child(profile_picture)
		root.add_child(GridStructure)
	elif username_label.get_text() == second_user_data.username:
		root.size_flags_horizontal = 8
		root.add_child(GridStructure)
		root.add_child(profile_picture)
	# Header (Contains Name Label and Date Label)
	var Header = HBoxContainer.new()
	Header.set_name("Header")
	Header.set_custom_minimum_size(Vector2(msg_header_h_size,0))
	Header.size_flags_horizontal = 3
	GridStructure.add_child(Header)
	
	var NameLabel = Label.new()
	NameLabel.set_name("NameLabel")
	NameLabel.set_text(user)
	NameLabel.add_font_override("font", username_font)
	NameLabel.size_flags_horizontal = 3
	Header.add_child(NameLabel)
	
	var DateLabel = Label.new()
	DateLabel.set_name("DateLabel")
	DateLabel.set_text(str(date))
	DateLabel.add_font_override("font", date_font)
	DateLabel.size_flags_horizontal = 3
	Header.add_child(DateLabel)
	
	
	
	# Body (Contains NinePatchRect for Background and Margins that contain the RichTextLabel
	var Body = MarginContainer.new()
	Body.set_name("Body")
	GridStructure.set_custom_minimum_size(Vector2(msg_min_h_size, 25))
	GridStructure.add_child(Body)
	# BGTexture uses NinePatchRect for Message Bubble
	var BGTexture = NinePatchRect.new()
	BGTexture.set_name("BGTexture")
	if username_label.get_text() == first_user_data.username:
		BGTexture.patch_margin_left = 21
		BGTexture.patch_margin_top = 12
		BGTexture.patch_margin_right = 12
		BGTexture.patch_margin_bottom = 12
		BGTexture.size_flags_horizontal = 3
		BGTexture.size_flags_vertical = 3
		BGTexture.set_texture(bg_texture1)
	elif username_label.get_text() == second_user_data.username:
		BGTexture.patch_margin_left = 12
		BGTexture.patch_margin_top = 12
		BGTexture.patch_margin_right = 21
		BGTexture.patch_margin_bottom = 12
		BGTexture.size_flags_horizontal = 3
		BGTexture.size_flags_vertical = 3
		BGTexture.set_texture(bg_texture2)
	Body.add_child(BGTexture)
	# Margin forces FILL_EXPAND into it's children.
	var Margin = MarginContainer.new()
	Margin.set_name("Margin")
	if username_label.get_text() == first_user_data.username:
		Margin.add_constant_override("margin_top", 5)
		Margin.add_constant_override("margin_left", 16)
		Margin.add_constant_override("margin_right", 5)
		Margin.add_constant_override("margin_bottom", 5)

	if username_label.get_text() == second_user_data.username:
		Margin.add_constant_override("margin_top", 5)
		Margin.add_constant_override("margin_left", 5)
		Margin.add_constant_override("margin_right", 16)
		Margin.add_constant_override("margin_bottom", 5)

	Body.add_child(Margin)
	# Stretch is what keeps the Message expanding as if it has an anchor for Full_Rect

	# Body Content:
	var TextLabel = RichTextLabel.new()
	TextLabel.set_name("TextLabel")
	TextLabel.bbcode_enabled = true
	TextLabel.set_bbcode(content)
	TextLabel.fit_content_height = true
	TextLabel.scroll_active = false
	TextLabel.size_flags_horizontal = 1
	TextLabel.add_color_override("default_color", Color(0,0,0,1))
	Margin.add_child(TextLabel)