extends Node
## NameGenerator - Generates unique names for guest players and bots.
## Guest names: Capitalized adjective+noun combos (e.g. "SwiftFox")
## Bot names: Simple first names only, no numbers (e.g. "Jack")

# -----------------------------------------------------------------------
# Guest name pools — adjective + noun combos
# -----------------------------------------------------------------------
const ADJECTIVES: Array[String] = [
	"Swift", "Silent", "Bold", "Iron", "Dark", "Wild", "Frost", "Storm",
	"Keen", "Jade", "Blaze", "Rift", "Neon", "Onyx", "Azure", "Grim",
	"Sage", "Nova", "Apex", "Luna", "Solar", "Lunar", "Tech", "Vero",
	"Echo", "Zeal", "Volt", "Brisk", "Dusk", "Dawn", "Sable", "Civic",
	"Pixel", "Brave", "Sharp", "Amber", "Vivid", "Rapid", "Sleek", "Null",
	"Prime", "Zero", "Hyper", "Turbo", "Sigma", "Omega", "Alpha", "Delta",
	"Hex", "Red", "Blue", "Gold", "Aqua", "Teal", "Lime", "Ruby"
]

const NOUNS: Array[String] = [
	"Fox", "Wolf", "Hawk", "Bear", "Lynx", "Crow", "Dirk", "Rook",
	"Fang", "Bolt", "Node", "Byte", "Flux", "Spark", "Drift", "Tide",
	"Claw", "Wing", "Shade", "Arrow", "Spike", "Globe", "Beam", "Core",
	"Path", "Edge", "Root", "Link", "Code", "Beam", "Grid", "Chip",
	"Dust", "Blade", "Stone", "Coin", "Rock", "Peak", "Wick", "Ray",
	"Kite", "Mist", "Gale", "Reef", "Veil", "Gate", "Ash", "Dune"
]

# -----------------------------------------------------------------------
# Bot name pools — simple first names, lowercase-first style (Title Case)
# No numbers. These are distinct from guest names.
# -----------------------------------------------------------------------
const BOT_NAMES: Array[String] = [
	"Jack", "Max", "Sam", "Alex", "Leo", "Mia", "Zoe", "Kai",
	"Ray", "Jay", "Kim", "Rex", "Ace", "Finn", "Ada", "Eli",
	"Nia", "Ben", "Tao", "Vex", "Rue", "Dax", "Ora", "Pip",
	"Cal", "Bex", "Jax", "Ren", "Ash", "Sky", "Nova", "Cruz",
	"Remi", "Theo", "Cora", "Axel", "Nora", "Ivan", "Luna", "Dani",
	"Luca", "Roxy", "Seth", "Tara", "Kale", "Vera", "Omar", "Jade"
]

# Track in-use names to prevent duplicates per session
var _used_guest_names: Array[String] = []
var _used_bot_names: Array[String] = []

func _ready() -> void:
	randomize()

# -----------------------------------------------------------------------
# Guest name generation
# -----------------------------------------------------------------------

func generate_guest_name() -> String:
	"""Generate a unique guest name like 'SwiftFox'. Falls back if pool exhausted."""
	var attempts := 0
	var max_attempts := 100
	
	while attempts < max_attempts:
		var adj := ADJECTIVES[randi() % ADJECTIVES.size()]
		var noun := NOUNS[randi() % NOUNS.size()]
		var name_candidate := adj + noun
		
		if name_candidate not in _used_guest_names:
			_used_guest_names.append(name_candidate)
			return name_candidate
		attempts += 1
	
	# Fallback: numbered guest if pool exhausted
	var fallback := "Guest%d" % (_used_guest_names.size() + 1)
	_used_guest_names.append(fallback)
	return fallback

func release_guest_name(name: String) -> void:
	"""Call when a guest disconnects to free up their name for reuse."""
	_used_guest_names.erase(name)

# -----------------------------------------------------------------------
# Bot name generation
# -----------------------------------------------------------------------

func generate_bot_name() -> String:
	"""Generate a unique bot name like 'Jack'. Falls back with suffix if pool exhausted."""
	# Build shuffled list of bot names not yet in use
	var available: Array[String] = []
	for n in BOT_NAMES:
		if n not in _used_bot_names:
			available.append(n)
	
	if available.size() > 0:
		available.shuffle()
		var chosen := available[0]
		_used_bot_names.append(chosen)
		return chosen
	
	# Pool exhausted — pick a random base name with a letter suffix
	var base := BOT_NAMES[randi() % BOT_NAMES.size()]
	var suffix_chars := "abcdefghijklmnopqrstuvwxyz"
	var candidate := base + suffix_chars[randi() % suffix_chars.length()]
	_used_bot_names.append(candidate)
	return candidate

func release_bot_name(name: String) -> void:
	"""Call when a bot slot is removed to free up its name."""
	_used_bot_names.erase(name)

func reset_all() -> void:
	"""Reset both pools — useful on returning to main menu."""
	_used_guest_names.clear()
	_used_bot_names.clear()