extends StaticBody2D

signal death

export var glowing_blue_fireball: PackedScene

var player: KinematicBody2D = null
var health: int = 12
var center: Vector2
var center_x: float
var shoot_y: int

var rng: RandomNumberGenerator = RandomNumberGenerator.new()


func _ready() -> void:
    center = $Sprite.global_position
    center_x = center.x
    shoot_y = int(center.y) + 1
    rng.randomize()
    return


func _on_shoot_timeout() -> void:
    if player:
        var shoot_directions: Array = [
            Vector2(center_x + rng.randf_range(-1, 1), shoot_y),
            Vector2(center_x + rng.randf_range(-1, 1), shoot_y),
            Vector2(center_x + rng.randf_range(-1, 1), shoot_y),
            Vector2(center_x + rng.randf_range(-1, 1), shoot_y),
            Vector2(center_x + rng.randf_range(-1, 1), shoot_y)]

        for itr in shoot_directions:
            var projectile: Node = glowing_blue_fireball.instance()
            projectile.init(center, itr)
            get_tree().get_current_scene().get_node('Projectiles').add_child(projectile)

        $'Flash Timer'.start()
        $Flash.set_visible(true)
    return


func _on_flash_timer_timeout() -> void:
    $Flash.set_visible(false)
    return


func _on_hit_timeout() -> void:
    $Sprite.self_modulate = Color(1, 1, 1)
    return


func _on_hitbox_area_entered(area: Area2D) -> void:
    if area.is_in_group('player_weapon_1'):
        health -= 1
        $Sprite.self_modulate = Color(1, 0, 0)
        $Hit.start()
    elif area.is_in_group('player_weapon_2'):
        health -= 2
        $Sprite.self_modulate = Color(1, 0, 0)
        $Hit.start()

    if health <= 0:
        emit_signal('death')
        call_deferred('queue_free')
    return


func _on_player_detector_body_entered(body: Node) -> void:
    if body.is_in_group('player'):
        player = body
    return


func _on_player_detector_body_exited(body: Node) -> void:
    if body.is_in_group('player'):
        player = null
    return