extends Control

# 601 LOC 11/9 - 2023
# 628 LOC 15/9 - 2023
# 631 LOC 16/9 - 2023

##TODO
# 11. Refactor components
# 13. Fix graphics in lists
# 14. Fix layout
# 15. Fix for local play
# 16. Change all calls to make_request and function in function
# 17. Change some buttons to icons

@onready
var open_button := $Open

@onready
var fileDialog := $FileDialog

@onready
var insperation_scroll := $ScrollContainer

@onready
var insperation_list := $ScrollContainer/VBoxContainer

@onready
var game_label := $VBoxContainer/GameLabel

@onready
var song_label := $VBoxContainer/SongLabel

@onready
var play_button := $PanelContainer/HBoxContainer/PlayButton

@onready
var restart_button := $PanelContainer/HBoxContainer/RestartButton

@onready
var audio := $AudioStreamPlayer

@onready
var progress := $PanelContainer/HBoxContainer/HSlider

@onready
var label := $PanelContainer/HBoxContainer/Label

@onready
var add_player_container := $Players/VBoxContainer/AddPlayerContainer

@onready
var add_players_button := $Players/VBoxContainer/HBoxContainer/AddPlayersButton

@onready
var add_player_button := $Players/VBoxContainer/AddPlayerContainer/AddPlayerButton

@onready
var new_player_name_field := $Players/VBoxContainer/AddPlayerContainer/PlayerNameField

@onready
var reset_playlist_button := $ResetPlaylistButton

@onready
var reset_points_button := $ResetPointsButton

@onready
var sound_test_button := $SoundTestButton

@onready
var sync_button := $SyncButton

@onready
var sync_popup := $SyncPopupPanel

@onready
var settings_button := $SettingsButton

@onready
var settings_popup := $SettingsPopupPanel

@onready
var statistics_button := $StatisticsButton

@onready
var statistic_popup := $StatisticsPopupPanel

@onready
var statistic_label := $StatisticsPopupPanel/StatisticsLabel

@onready
var about_button := $AboutButton

@onready
var about_popup := $AboutPopupPanel

@onready
var show_answer_button := $ShowAnswerButton

@onready
var next_button := $NextButton

@onready
var music_list_scroll := $MusicListPanel/ScrollContainer

@onready
var music_list := $MusicListPanel/ScrollContainer/MusicList

@onready
var players := $Players/VBoxContainer

@onready
var character_select := $CharacterSelect

@onready
var search_button := $SearchButton

@onready
var search_view := $Search

@onready
var version_label := $AboutPopupPanel/VBoxContainer/VersionLabel

@onready
var new_label := $AboutPopupPanel/VBoxContainer/HBoxContainer/NewLabel

@onready
var shortcut_label := $AboutPopupPanel/VBoxContainer/HBoxContainer/ShortcutsLabel

@onready
var comming_label := $AboutPopupPanel/VBoxContainer/HBoxContainer/CommingLabel

@onready
var winner_popup := $WinnerPopupPanel

@onready
var winner_label := $WinnerPopupPanel/WinnerLabel

var player := preload("res://Player.tscn")

@onready
var path = '/Users/sebastian/ResilioSync/Sorterat_test/Metal Gear Solid 4 - Guns of the Patriots/2-16 Metal Gear Saga.mp3'

# Called when the node enters the scene tree for the first time.
func _ready():
	next_button.pressed.connect(fetch_next_song)
	play_button.pressed.connect(play_or_pause)
	restart_button.pressed.connect(restart)
	show_answer_button.pressed.connect(show_answer)
	search_button.pressed.connect(show_search)
	sync_button.pressed.connect(sync_games)
	sound_test_button.pressed.connect(get_sound_test_song)
	statistics_button.pressed.connect(get_statistics)
	about_button.pressed.connect(show_about)
	settings_button.pressed.connect(show_settings)
	reset_playlist_button.pressed.connect(reset_playlist)
	reset_points_button.pressed.connect(reset_points)
	
	progress.drag_started.connect(_on_drag_started)
	progress.drag_ended.connect(_on_drag_ended)
	character_select.connect("character_selected", _on_character_selected)
	new_player_name_field.connect("enter_key_pressed", add_player)
	
	add_players_button.pressed.connect(add_players)
	add_player_button.pressed.connect(add_player)
	
	open_button.pressed.connect(open)
	get_suggestion_list()
	fetch_full_music_list_at_start()
	
func reset_playlist():
	print("reset_playlist")
	Settings.make_request2("/music/reset", fetch_full_music_list_at_start, false)

func reset_points():
	var players_to_reset := players.get_children()
	for player_to_reset in players_to_reset:
		if player_to_reset.has_method("reset_points"):
			player_to_reset.reset_points()

func show_about():
	about_popup.visible = true
	version_label.text = Settings.version
	new_label.text = Settings.whats_new
	shortcut_label.text = Settings.shortcuts
	comming_label.text = Settings.whats_left
	
func show_settings():
	settings_popup.visible = true
	
func get_statistics():
	statistic_popup.visible = true
	statistic_label.text = "Total amount of games in the playlist: " + str(games.size())

func get_sound_test_song():
	var play_sound_test_song = func(result, _response_code, _headers, body):
		if result != HTTPRequest.RESULT_SUCCESS:
			push_error("Song couldn't be downloaded. Try a different song.")
		var sound = AudioStreamMP3.new()
		sound.data = body
		audio.stream = sound
		audio.play()
		stream = audio.stream
		progress.max_value = round(stream.get_length())
		progress.tick_count = round(stream.get_length() / 60)
		
	make_request(Settings.default_path + "/music/soundTest", play_sound_test_song)

func sound_test_local():
	audio.stream = preload("res://01. Opening.mp3")
	audio.play()
	stream = audio.stream
	progress.max_value = round(stream.get_length())
	progress.tick_count = round(stream.get_length() / 60)
	
func sync_games():
	var games_synced = func():
		sync_popup.visible = true
		print("games_synced")
		reset_playlist()
		get_suggestion_list()
	Settings.make_request2("/sync", games_synced, false)

func get_suggestion_list() -> void:
	var populate_list = func(array):
		if typeof(array) == TYPE_ARRAY:
			games.append_array(array)
			for game in games:
				var insperation_label := Label.new()
				insperation_label.text = game
				insperation_label.autowrap_mode = TextServer.AUTOWRAP_WORD
				insperation_list.add_child(insperation_label)
			insperation_scroll.scroll_to_bottom()
		else:
			print("Unexpected data")
	Settings.make_request2("/music/all", populate_list, true)

func add_players():
	add_player_container.visible = !add_player_container.visible
	new_player_name_field.grab_focus()

func add_player():
	var new_player := player.instantiate()
	new_player.new_name(new_player_name_field.text + ": 0")
	new_player_name_field.text = ""
	players.add_child(new_player)
	new_player.connect("change_character_clicked", _on_player_change_character_clicked.bind(new_player))
	new_player.connect("first_point_triggerd", _on_point_triggerd.bind("first", ""))
	new_player.connect("match_point_triggerd", _on_point_triggerd.bind("match", ""))
	new_player.connect("winner_triggerd", _on_point_triggerd.bind("winner", new_player.player_name))
	new_player.connect("player_removed", _on_player_removed.bind(new_player))
	
func _on_point_triggerd(point: String, player_name: String):
	if point == "first":
		var value = randi_range(0, 10)
		if value == 0:
			audio.stream = preload("res://sounds/sound1.mp3")
		elif value < 5:
			audio.stream = preload("res://sounds/intro_long.mp3")
		else:
			audio.stream = preload("res://sounds/intro_short.mp3")
	elif point == "match":
		audio.stream = preload("res://sounds/sound0.mp3")
	elif point == "winner":
		audio.stream = preload("res://sounds/winning.mp3")
		winner_popup.visible = true
		winner_label.text = player_name + " won!!"
	
	audio.play()
	play_button.text = "Pause"
	stream = audio.stream
	progress.max_value = round(stream.get_length())
	progress.tick_count = round(stream.get_length() / 60)

func show_search():
	if search_view.visible == false:
		search_view.visible = true
	else:
		search_view.visible = false

func show_answer():
	var http_request = HTTPRequest.new()
	add_child(http_request)
	http_request.request_completed.connect(show_fetched)
	
	# Perform a GET request. The URL below returns JSON as of writing.
	var error = http_request.request(Settings.default_path + "/music/info")
	if error != OK:
		push_error("An error occurred in the HTTP request.")

func fetch_full_music_list_at_start():
	print("fetch_full_music_list_at_start")
	var show_music_list_at_start = func(data):
		if data == null:
			song_list = []
			delete_children(music_list)
			return
		if typeof(data) == TYPE_ARRAY:
			song_list = []
			song_list.append_array(data)
			for song in song_list:
				var music_list_label := Label.new()
				var format_string = "%d. %s - %s"
				var actual_string = format_string % [(song.SongNo+1), song.Game, song.Song]
				music_list_label.text = actual_string
				music_list_label.mouse_filter = Control.MOUSE_FILTER_PASS
				music_list_label.gui_input.connect(song_clicked.bind(music_list_label, song.SongNo))
				music_list.add_child(music_list_label)
		else:
			print("Unexpected data")
	Settings.make_request2("/music/list", show_music_list_at_start, true)
	
func fetch_full_music_list(event, song_no: int):
	if (event is InputEventMouseButton && event.pressed && event.button_index == MOUSE_BUTTON_LEFT):
		var show_music_list = func(_result, _response_code, _headers, body):
			var json = JSON.new()
			var error = json.parse(body.get_string_from_utf8())
		
			if error == OK:
				var data_received = json.get_data()
				if typeof(data_received) == TYPE_ARRAY:
					song_list = []
					song_list.append_array(data_received)
					delete_children(music_list)
					for song in song_list:
						var label := Label.new()
						game_label.text = song.Game
						song_label.text = song.Song
						var format_string = "%d. %s - %s"
						var actual_string = format_string % [(song.SongNo+1), song.Game, song.Song]
						label.text = actual_string
						label.mouse_filter = Control.MOUSE_FILTER_PASS
						label.gui_input.connect(song_clicked.bind(label, song.SongNo))
						print(str(music_list.get_child_count()) + " | " + str(song_list.size() - 1))
						if music_list.get_child_count() == song_list.size() - 1:
							label.add_theme_color_override("font_color", Color(1, 0.5, 0))
						music_list.add_child(label)
				else:
					print("Unexpected data")
		make_request(Settings.default_path + "/music/list", show_music_list)
		var play_clicked_song = func(result, _response_code, _headers, body):
			if result != HTTPRequest.RESULT_SUCCESS:
				push_error("Song couldn't be downloaded. Try a different song.")
			var sound = AudioStreamMP3.new()
			sound.data = body
			audio.stream = sound
			audio.play()
			play_button.text = "Pause"
			stream = audio.stream
			progress.max_value = round(stream.get_length())
			progress.tick_count = round(stream.get_length() / 60)
		make_request(Settings.default_path + "/music?song=" + str(song_no), play_clicked_song)
		var show_answer = func(result, response_code, headers, body):
			var json = JSON.new()
			var error = json.parse(body.get_string_from_utf8())
			
			if error == OK:
				var data_received = json.get_data()
				game_label.text = data_received.Game
				song_label.text = data_received.Song
		make_request(Settings.default_path + "/music/info", show_answer)
	

func fetched():
	var http_request2 = HTTPRequest.new()
	add_child(http_request2)
	http_request2.request_completed.connect(show_fetched_list)
	
	# Perform a GET request. The URL below returns JSON as of writing.
	var error2 = http_request2.request(Settings.default_path + "/music/list")
	if error2 != OK:
		push_error("An error occurred in the HTTP request.")
	

var next_label: Label
func show_fetched(result, response_code, headers, body) -> void:
	var json = JSON.new()
	var error = json.parse(body.get_string_from_utf8())
	
	if error == OK:
		var data_received = json.get_data()
		print("data_received: ", data_received)
		game_label.text = data_received.Game
		song_label.text = data_received.Song
		var format_string = "%d. %s - %s"
		var actual_string = format_string % [(data_received.SongNo+1), data_received.Game, data_received.Song]
		next_label.text = actual_string
		
var song_list = []
func show_fetched_list(result, response_code, headers, body) -> void:
	var json = JSON.new()
	var error = json.parse(body.get_string_from_utf8())
	
	if error == OK:
		var data_received = json.get_data()
		if typeof(data_received) == TYPE_ARRAY:
			song_list = []
			song_list.append_array(data_received)
			delete_children(music_list)
			song_list.remove_at(song_list.size() - 1)
			for song in song_list:
				var label := Label.new()
				var format_string = "%d. %s - %s"
				var actual_string = format_string % [(song.SongNo+1), song.Game, song.Song]
				label.text = actual_string
				label.mouse_filter = Control.MOUSE_FILTER_PASS
				label.gui_input.connect(song_clicked.bind(label, song.SongNo))
				music_list.add_child(label)
			
			var songs := music_list.get_children()
			for song in songs:
				song.remove_theme_color_override("font_color")
			next_label = Label.new()
			next_label.add_theme_color_override("font_color", Color(1, 0.5, 0))
			next_label.text = "??? - ???"
			next_label.mouse_filter = Control.MOUSE_FILTER_PASS
			next_label.gui_input.connect(fetch_full_music_list.bind(songs.size()))
			music_list.add_child(next_label)
			
		else:
			print("Unexpected data")

func song_clicked(event, label: Label, song_no: int):
	if (event is InputEventMouseButton && event.pressed && event.button_index == MOUSE_BUTTON_LEFT):
		print("Song Clicked: " + str(song_no))
		var songs := music_list.get_children()
		for song in songs:
			song.remove_theme_color_override("font_color")
		label.add_theme_color_override("font_color", Color(1, 0.5, 0))
		var play_clicked_song = func(result, response_code, headers, body):
			if result != HTTPRequest.RESULT_SUCCESS:
				push_error("Song couldn't be downloaded. Try a different song.")
			var sound = AudioStreamMP3.new()
			sound.data = body
			audio.stream = sound
			audio.play()
			play_button.text = "Pause"
			stream = audio.stream
			progress.max_value = round(stream.get_length())
			progress.tick_count = round(stream.get_length() / 60)
		make_request(Settings.default_path + "/music?song=" + str(song_no), play_clicked_song)
		var show_answer = func(result, response_code, headers, body):
			var json = JSON.new()
			var error = json.parse(body.get_string_from_utf8())
			
			if error == OK:
				var data_received = json.get_data()
				game_label.text = data_received.Game
				song_label.text = data_received.Song
		make_request(Settings.default_path + "/music/info", show_answer)


func open():
	fileDialog.popup()

# Called every frame. 'delta' is the elapsed time since the previous frame.
func _process(delta):
	if audio.has_stream_playback() && !is_changing && !audio.stream_paused:
		progress.value = audio.get_playback_position()
		label.text = format_text(progress.value, stream.get_length())	

func _on_file_dialog_dir_selected(path):
	print(path)
	dir_contents(path)
	
var songs := []
var games := []
	
func dir_contents(path: String) -> void:
	var dir = DirAccess.open(path)
	if dir:
		dir.list_dir_begin()
		var file_name = dir.get_next()
		songs.clear()
		while file_name != "":
			if dir.current_is_dir():
				#print("Found directory: " + file_name)
				games.append(file_name)
			else:
				#print("Found file: " + file_name)
				if file_name.ends_with(".mp3"):
					songs.append(path + "/" + file_name)
			file_name = dir.get_next()
		
	else:
		print("An error occurred when trying to access the path.")
	
	for game in games:
		var label := Label.new()
		label.text = game
		insperation_list.add_child(label)





var is_changing: bool = false
var playback_position: float
var stream: AudioStream

func set_songs(new_songs) -> void:
	songs = new_songs
	
func make_request(address, func_name) -> void:
	var http_request = HTTPRequest.new()
	add_child(http_request)
	http_request.request_completed.connect(func_name)
	
	# Perform a GET request. The URL below returns JSON as of writing.
	var error = http_request.request(address)
	if error != OK:
		push_error("An error occurred in the HTTP request.")
	

func format_time(time: float) -> String:
	var mins: String = "%02d" % floor(time / 60)
	var sec: String = "%02d" % round(fmod(time, 60))
	return  mins + ":" + sec
	
func format_text(part: float, total: float) -> String:	
	return format_time(part) + " / " + format_time(total)


func fetch_next_song() -> void:
	var http_request = HTTPRequest.new()
	add_child(http_request)
	http_request.request_completed.connect(song_fetched)
	
	# Perform a GET request. The URL below returns JSON as of writing.
	var path = ""
	if Settings.use_low_played_mode:
		path = "/music/rand/low"
	else:
		path = "/music/rand"
	var error = http_request.request(Settings.default_path + path)
	if error != OK:
		push_error("An error occurred in the HTTP request.")

func song_fetched(result, response_code, headers, body) -> void:
	if result != HTTPRequest.RESULT_SUCCESS:
		push_error("Song couldn't be downloaded. Try a different song.")
	var sound = AudioStreamMP3.new()
	sound.data = body
	print("play given song")
	audio.stream = sound
	audio.play()
	play_button.text = "Pause"
	stream = audio.stream
	make_request(Settings.default_path + "/music/addQue", add_que)
	progress.max_value = round(stream.get_length())
	progress.tick_count = round(stream.get_length() / 60)
	game_label.text = "????????"
	song_label.text = "??????"
	if Settings.add_to_stats:
		Settings.make_request2("/music/played", func(): pass , false)
	if !Settings.stop_after_current:
		audio.finished.connect(fetch_next_song)
	if !Settings.hide_next_track:
		show_answer()
	
func add_que(result, response_code, headers, body) -> void:
	print("response_code", response_code)
	fetched()

func play_local_song(song) -> void:
	if songs:
		path = songs[0]
		print(path)
		print(FileAccess.file_exists(path))
		audio.stream = load_mp3(path)
		print("play")
		audio.play()
		stream = audio.stream
		progress.max_value = round(stream.get_length())
		progress.tick_count = round(stream.get_length() / 60)

func play_or_pause():
	if audio.stream_paused:
		play_button.text = "Pause"
		audio.stream_paused = false
		audio.seek(playback_position)
		print("continue")
		progress.max_value = round(stream.get_length())
		progress.tick_count = round(stream.get_length() / 60)
	else:
		audio.stream_paused = true
		playback_position = audio.get_playback_position()
		play_button.text = "Play"
	
func restart() -> void:
	audio.stop()
	audio.stream_paused = false
	progress.value = 0
	playback_position = audio.get_playback_position()
	audio.seek(playback_position)
	play_button.text = "Pause"
	audio.play()

func _on_drag_started() -> void:
	is_changing = true

func _on_drag_ended(_changed) -> void:
	audio.seek(progress.value)
	playback_position = progress.value
	is_changing = false

func load_mp3(_path) -> AudioStream:
	var file = FileAccess.open(_path, FileAccess.READ)
	var sound = AudioStreamMP3.new()
	sound.data = file.get_buffer(file.get_length())
	return sound

func _on_player_removed(new_player):
	players.remove_child(new_player)

var current_player
func _on_player_change_character_clicked(new_player):
	print("_on_player_change_character_clicked")
	current_player = new_player
	character_select.visible = true

func _on_character_selected(file_name: String):
	print("_on_character_selected")
	character_select.visible = false
	current_player._on_control_character_selected_clicked(file_name)


func delete_children(node):
	for n in node.get_children():
		node.remove_child(n)
		n.queue_free()