extends Node3D

signal matador_killed
signal all_defeated

const MATADOR := preload("res://Matador.tscn")

var _spawn_count: int = 1
var _alive: int = 0
var _resolved: bool = false


func _ready() -> void:
	add_to_group(&"matador_spawn")
	_spawn_count = maxi(1, int(DP.f("mat_spawn_count")))
	# Deferred so it's safe from _ready and matches the previous spawn timing.
	_spawn.call_deferred()


func _spawn() -> void:
	for pos: Vector3 in _spread_positions(_spawn_count):
		_spawn_at(pos)


func _spread_positions(count: int) -> Array[Vector3]:
	var positions: Array[Vector3] = []
	var arena_r := DP.f("mat_wander_radius") * 0.72
	var min_r   := 5.0
	for i: int in count:
		var sector  := TAU / count
		var angle   := sector * i + randf_range(-sector * 0.35, sector * 0.35)
		var radius  := randf_range(min_r, arena_r)
		positions.append(Vector3(cos(angle) * radius, 1.0, sin(angle) * radius))
	return positions


func _spawn_at(pos: Vector3) -> void:
	var m: Node3D = MATADOR.instantiate()
	m.position = pos
	get_parent().add_child(m)
	m.killed.connect(_on_matador_killed)
	_alive += 1


# Every matador down = the bull wins. No waves, no respawns — one clean arena.
func _on_matador_killed() -> void:
	matador_killed.emit()
	_alive -= 1
	if _alive <= 0 and not _resolved:
		_resolved = true
		all_defeated.emit()