extends Node2D

var id setget id_set
var content setget content_set
var type setget type_set

var children = {} setget children_set

var arrow = preload("res://arrow.tscn")

func _ready():
    pass

func _process(delta):
    for c in children.keys():
        var other = get_node("..").objects[c]
        var d = other.position.distance_to(position)
        var dir = (other.position - position).normalized()
        var f = (d*0.05)
        position += dir*f
        other.position -= dir*f
    
func id_set(new_id):
    id = new_id
    $ID.text = id
    
func content_set(new_content):
    content = new_content
    $Content.text = content

func type_set(new_type):
    type = new_type
    if type != "ref":
        $ID.text = $ID.text.substr(0,8)
    match new_type:
        "blob":
            $Rect.color = Color.gray
        "tree":
            $Rect.color = Color.darkgreen
        "commit":
            $Rect.color = Color.orange
        "tag":
            $Rect.color = Color.blue
        "ref":
            $Rect.color = Color("#6680ff")
        "head":
            $Rect.color = Color.red

func children_set(new_children):
    for c in $Arrows.get_children():
        if not new_children.has(c.target):
            c.queue_free()
    for c in new_children:
        if not children.has(c):
            var a = arrow.instance()
            a.label = new_children[c]
            a.target = c
            $Arrows.add_child(a)  
    children = new_children

func _on_hover():
    $Content.visible = true
    
func _on_unhover():
    $Content.visible = false