class_name Boss
extends Node2D


signal damaged(damage: int)
signal defeated()


@export var first_phase: BossPhase


var current_phase: BossPhase


func _ready() -> void:
	if first_phase:
		current_phase = first_phase
		current_phase.ended.connect(_on_phase_ended, CONNECT_ONE_SHOT)
		first_phase.start_phase()


func hurt(damage: int = 1) -> void:
	if current_phase:
		CurrentGame.change_score(100)
		current_phase.hurt(damage)
		damaged.emit(damage)


func _on_phase_ended() -> void:
	current_phase = current_phase.next_phase
	if current_phase:
		current_phase.ended.connect(_on_phase_ended, CONNECT_ONE_SHOT)
	else:
		defeated.emit()