class_name EnvironmentManager
extends Node3D

var hand_associations: Dictionary[String, PlayerHand]

@export var web_client: WebClient

@export var card_stack: CardStack

# In gameplay order
#var hand_associations: Dictionary[int, PlayerHandAssociation]
var _own_client_id: String
@export var own_player_hand: PlayerHand

## Positions for hands in 3-player game (starting from player 2).
@export var hand_markers_3: Array[Marker3D]

## Positions for hands in 4-player game (starting from player 2).
@export var hand_markers_4: Array[Marker3D]

## Positions for hands in 5-player game (starting from player 2).
@export var hand_markers_5: Array[Marker3D]

## Positions for hands in 6-player game (starting from player 2).
@export var hand_markers_6: Array[Marker3D]

@export var player_hand_scene: PackedScene
@export var card_scene: PackedScene

var _bets: Dictionary[String, Array] # Array[BetResult]
## Cards played in the current play.
var _plays: Array[Play]
var _trump_id: int = -1

func _on_web_client_tcp_client_order_received(playing_order: Array[ClientData]) -> void:
	var marker_positions: Array[Marker3D]
	var client_ids: Array[String] = []
	client_ids.assign(playing_order.map(func(a: ClientData): return a.client_id))
	match playing_order.size():
		3:
			marker_positions = hand_markers_3
		4:
			marker_positions = hand_markers_4
		5:
			marker_positions = hand_markers_5
		6:
			marker_positions = hand_markers_6
	
	var own_index: int = client_ids.find(_own_client_id)
	
	var new_ids: Array[String]
	if own_index == 0:
		# no change necessary!
		new_ids = client_ids
	elif own_index == client_ids.size() - 1:
		# you are at the end of the array
		new_ids = client_ids
		# take away own client id
		new_ids.erase(_own_client_id)
		# add it to the start of the array
		new_ids.insert(0, _own_client_id)
	else:
		# you are somewhere in the middle of the array
		# create array with you at the start
		new_ids = client_ids.slice(own_index)
		# add the rest of the original array
		new_ids.append_array(client_ids.slice(0, own_index))
	
	for index in new_ids.size():
		_bets[new_ids[index]] = []
		var hand: PlayerHand
		if client_ids[index] == _own_client_id:
			hand = own_player_hand
		else:
			hand = player_hand_scene.instantiate()
			var client_data: ClientData
			for client in playing_order:
				if client.client_id == client_ids[index]:
					client_data = client
					break
			hand.set_player_data(client_data) # also for own hand?
			marker_positions[index - 1].add_child(hand)
		
		hand_associations[client_ids[index]] = hand

func _on_web_client_tcp_cards_received(cards: Dictionary) -> void:
	for client_id in cards.keys():
		var card_ids: Array[int]
		card_ids.assign(cards[client_id])
		hand_associations[client_id].add_cards(card_ids, client_id == _own_client_id)

func _on_web_client_tcp_received_played_card(client_id: String, card_id: int) -> void:
	print(client_id + " played card " + str(card_id))
	_plays.append(Play.new(client_id, card_id))
	hand_associations[client_id].remove_card_by_id(card_id)
	card_stack.add_card_by_id(card_id)

func _on_web_client_tcp_received_play_winner_request() -> void:
	if not $"../HBoxContainer/GameUI"._is_host:
		return
	
	await get_tree().create_timer(1.0).timeout
	
	var card_ids: Array[int] = []
	card_ids.assign(_plays.map(func(p: Play): return p.card_id))
	var winning_card_id: int = CardManager.get_winning_card(card_ids, _trump_id)
	
	for play in _plays:
		if play.card_id == winning_card_id:
			web_client.submit_play_winner(play.client_id)
			_plays.clear()
			return

func _on_web_client_tcp_trump_received(trump_id: int) -> void:
	_trump_id = trump_id
	card_stack.purge_cards()
	card_stack.add_card_by_id(_trump_id)

func _on_web_client_tcp_new_round_started() -> void:
	# prepare a fresh BetResults bunch for the new round! the clients are hungry.
	for client_id in _bets.keys():
		_bets[client_id].append(BetResult.new())

func _on_web_client_tcp_received_expected_bet(client_id: String, expected_bet: int) -> void:
	_bets[client_id][_bets[client_id].size() - 1].set_expected(expected_bet)

func _on_web_client_tcp_received_winning_client(client_id: String) -> void:
	_bets[client_id][_bets[client_id].size() - 1].add_win()
	print(_bets)

func _on_web_client_tcp_received_end_game_request() -> void:
	var scores: Array[ScoreResult]
	
	for client_id in _bets.keys():
		var score = ScoreResult.new(client_id)
		for bet_result in _bets[client_id]:
			score.add_to_score(bet_result.get_score())
		scores.append(score)
	
	scores.sort_custom(func(a, b): return a.score < b.score)
	
	var rank = scores.size()
	for score_result: ScoreResult in scores:
		hand_associations[score_result.client_id].display_rank(rank, score_result.score)
		rank -= 1

func _on_web_client_connected_to_lobby(lobby_id: String, client_id: String) -> void:
	_own_client_id = client_id