extends Node2D

const STAR_COLOR_DISTRIBUTION = [
        [700, '#8FA8FFFF'],
        [1700, '#8FA8FFD8'],
        [3400, '#8FA8FFA0'],
        [6000, '#A0B5FFFF'],
        [9900, '#A0B5FFD0'],
        [16400, '#A0B5FF90'],
        [17300, '#B0C5FFFF'],
        [18600, '#B0C5FFC8'],
        [20800, '#B0C5FF88'],
        [26000, '#D0DBFFFF'],
        [33800, '#D0DBFFC0'],
        [46800, '#D0DBFF80'],
        [57200, '#F8F7FFE0'],
        [72900, '#F8F7FFA8'],
        [99000, '#F8F7FF70'],
        [114700, '#FFF4EAD0'],
        [138200, '#FFF4EA98'],
        [177400, '#FFF4EA60'],
        [180000, '#FFD280F0'],
        [183000, '#FFD280B8'],
        [189000, '#FFD28078'],
        [191000, '#FFA64DF8'],
        [194000, '#FFA64DC0'],
        [199000, '#FFA64D80'],
        [225000, '#FFE4B5C0'],
        [264000, '#FFE4B588'],
        [309000, '#FFE4B550'],
        [364000, '#FFCC99A0'],
        [441000, '#FFCC9968'],
        [604000, '#FFCC9940'],
        [658000, '#FFB36690'],
        [753000, '#FFB3665C'],
        [893000, '#FFB36630'],
        [914000, '#E8F4FF80'],
        [946000, '#E8F4FF50'],
        [1000000, '#E8F4FF28'],    
    ]

@export_group("Visual Settings")
@export var Star_Count: int = 5000: set = set_star_count
@export var Background_Image_Size: Vector2 = Vector2(4096, 4096): set = set_Background_Image_Size
@export var background_color: Color = Color.BLACK

@export_group("Animation")
@export var auto_rotate: bool = false
@export var rotation_speed: float = 0.1

var rotation_angle: float = 0.0

func _ready():
    queue_redraw()

func _draw():
    draw_rect(Rect2(Vector2.ZERO, Background_Image_Size), background_color)
    
    # Сохраняем текущее состояние трансформации
    var transform = Transform2D().rotated(rotation_angle)
    draw_set_transform_matrix(transform)
    
    draw_galaxy()

func draw_galaxy():
    for ind1 in range(Star_Count):
        var star_coords = Vector2(randi_range(0, Background_Image_Size.x), 
                                    randi_range(0, Background_Image_Size.y))
        var star_color = get_star_color()
        draw_circle(star_coords, 1, star_color)

func _process(delta):
    if auto_rotate:
        rotation_angle += rotation_speed * delta
        queue_redraw()
    
    if Engine.is_editor_hint():
        queue_redraw()

func get_star_color() -> Color:
    #var star_color = {"rgb": Colo, "alpha": 0}
    var rnd_seed = randi_range(0, STAR_COLOR_DISTRIBUTION[-1][0])
    for item:Array in STAR_COLOR_DISTRIBUTION:
        if rnd_seed <= item[0]:
            return Color.html(item[1])
    return Color.BLACK

#region Сеттеры для автоматического обновления
func set_Background_Image_Size(value: Vector2):
    Background_Image_Size = value
    queue_redraw()

func set_star_count(value: int):
    Star_Count = value
    queue_redraw()

#endregion