extends Node
class_name GameState

var started: bool = false

enum GameTime {DAY, NIGHT}
enum VotingMethod {MAJORITY, PLURALITY}

var phase: GameTime = GameTime.NIGHT:
	set(val):
		phase = val
		phase_changed.emit(phase)
signal phase_changed(phase: GameTime)
var time: float = 60:
	set(val):
		time = val
		time_changed.emit(time)
var day_number: int = 0
signal time_changed(time: float)
var game_in_progress: bool = false

@onready var players: Players = $Players

func game_reset() -> void:
	day_number = 0
	time = 60
	phase = GameTime.NIGHT
	players.call_on_active_players("game_reset")
	
func day_reset() -> void:
	players.call_on_active_players("day_reset")
	
func night_reset() -> void:
	players.call_on_active_players("night_reset")
	
func count_votes_for_player(player: WolfPlayer) -> int:
	var ret: int = 0
	for other_player in get_wolf_players():
		var vote: String = other_player.vote
		if vote == player.player_name:
			ret += 1
	return ret
	
func count_votes() -> Dictionary:
	var ret: Dictionary
	for player in get_wolf_players():
		ret[player] = count_votes_for_player(player)
	return ret
	
func find_vote_winner(method: VotingMethod) -> WolfPlayer:
	var votes: Dictionary = count_votes()
	print("Vote tally:")
	var keys: Array = votes.keys()
	for player in keys:
		if votes[player] > 0:
			print("\t%s - %d" % [player.player_name.rpad(16), votes[player]])
	var majority_vote_count: int = (votes.size() / 2) + 1
	var plurality_winner: Player = null
	var plurality_vote_count: int = 0
	keys.shuffle()
	for player in keys:
		var count = votes.get(player, 0)
		if count >= majority_vote_count:
			return player
		elif method == VotingMethod.PLURALITY:
			if count > plurality_vote_count:
				plurality_vote_count = count
				plurality_winner = player
			elif count == plurality_vote_count:
				plurality_winner = null # in a tie, no-one dies
	return plurality_winner

func get_wolf_players(alive: bool = true) -> Array[WolfPlayer]:
	var ret: Array[WolfPlayer] = []
	for player in players.get_active_players():
		var wp: WolfPlayer = player as WolfPlayer
		if alive and !wp.alive:
			continue
		ret.append(wp)
	return ret
	
func get_team_members(team: Team) -> Array[WolfPlayer]:
	return get_wolf_players().filter(func(player): return player.team == team)
	
func count_team_members(team: Team) -> int:
	return get_team_members(team).size()
			
func count_alive_players() -> int:
	return get_wolf_players().size()

func is_team_night_action_used(team: Team) -> bool:
	for member in get_team_members(team):
		if !member.alive:
			continue
		if member.night_action_chosen != null and member.night_action_chosen.team_nightly_action:
			return true
	return false