@tool

extends PanelContainer

var save_modulate: Color

func set_text(val: String): $button.set_text(val)
func set_pressed(val: bool): $button.set_pressed(val)
func set_disabled(val: bool): disabled = val
func button_connect(button_signal: String, proc: Callable): $button.connect(button_signal, proc)
func get_text(): return $button.get_text()
func is_pressed(): return $button.is_pressed()
func is_toggle_mode(): return $button.is_toggle_mode()


@export var texture_state0: Texture2D = preload('res://data/кнопка-квадрат-0.png'):
    set(val): $state.set_texture(val)


@export var texture_state1: Texture2D = preload('res://data/кнопка-квадрат-1.png'):
    set(val): $state.set_texture(val)


@export var text: String = '':
    set(val): $button.set_text(val)
    get: return $button.get_text()


@export var disabled: bool = false:
    set(val):
        $button.set_disabled(val)
        $back.disabled = val
        if val:
            save_modulate = $state.modulate
            $state.modulate *= Color(1.0, 1.0, 1.0, 0.5)
        else:
            $state.modulate = save_modulate
    get: return $button.disabled


@export var pressed: bool = false:
    set(val):   $button.set_pressed(val)
    get: return $button.is_pressed()


@export var toggle_mode: bool = false:
    set(val):
        if is_inside_tree():
            $button.set_toggle_mode(val)
    get: return $button.is_toggle_mode()


func _on_resized() -> void:
    $back.scale = size
    $back.material.set('shader_parameter/scale', size / Vector2(20.0, 20.0))


func _enter_tree() -> void:
    $back.scale = size
    $back.material.set('shader_parameter/scale', size / Vector2(20.0, 20.0))
    save_modulate = modulate


func set_toggle_mode (val: bool):
    if is_inside_tree():
        $button.set_toggle_mode(val)


func _on_button_toggled(val: bool):
    if val: $state.set_texture(texture_state1)
    else:   $state.set_texture(texture_state0)