class_name PostItPanel
extends Panel

var stored_costum_minimum_size:Vector2
var attatched_sticky_note: StickyNote
@onready var ancor = $"sticky-note_anchor"

func _ready():
    stored_costum_minimum_size = custom_minimum_size
    ancor.position = Vector2(ancor.position.x, 0)
    custom_minimum_size = Vector2(custom_minimum_size.x, 0)
    
func attatch_sticky_note(attatchment: StickyNote, tween:bool = true):
    attatchment.on_board = false
    if tween:
        var height_tween: Tween = create_tween()
        height_tween.tween_property(self, "custom_minimum_size", stored_costum_minimum_size, 0.3)
        height_tween.tween_property(ancor, "position", Vector2(ancor.position.x, stored_costum_minimum_size.y/2), 0.3)
        attatchment.tween_transform_to(ancor.global_position)
        await attatchment.transform_tween_finished
    else:
        custom_minimum_size = stored_costum_minimum_size
    attatchment.reparent(self)
    attatched_sticky_note = attatchment
    attatchment.owner = self.owner
    attatchment.attatched_to = self
    attatchment.transform = ancor.transform
    
func reclaim_sticky_note():
    if is_empty():
        attatched_sticky_note.on_board = false
        attatched_sticky_note.tween_transform_to(ancor.global_position)
        await attatched_sticky_note.transform_tween_finished
        attatched_sticky_note.reparent(self)
        attatched_sticky_note.owner = self.owner
        
func clear_if_empty():
    if !is_empty(): return
    if attatched_sticky_note.attatched_to == self: attatched_sticky_note.attatched_to = null
    var height_tween: Tween = create_tween()
    height_tween.tween_property(self, "custom_minimum_size", Vector2.ZERO, 0.3)
    await height_tween.finished
    self.free()

func replace_sticky_note_with(new_sticky_note: StickyNote):
    if is_empty():
        attatched_sticky_note = new_sticky_note

func is_empty() -> bool:
    return ancor.get_child_count() == 0