extends CenterContainer

enum {
    INI,
    CARDS,
    TRANSITION,
    POSTS,
    DONE
}

var selection_state

var anim_players:Array
var curr_selection_id: int = -1:
    set(new_id):
        if selection_state == CARDS or selection_state == POSTS:
            if not curr_selection_id == -1: anim_players[curr_selection_id].play("deselect")
            
            if new_id > options.size() -1: curr_selection_id = 0
            elif new_id < 0: curr_selection_id = options.size() - 1
            else: curr_selection_id = new_id
            
            anim_players[curr_selection_id].play("select")
        else:
            curr_selection_id = new_id
            
        print(curr_selection_id)

var output:Array
var options:Array

# Called when the node enters the scene tree for the first time.
func _ready():
    options = $cards.get_children()
    for card in options:
        anim_players.append(card.get_child(1))
    selection_state = CARDS

func _unhandled_input(event):
    if event.is_action_pressed("ui_up") or event.is_action_pressed("ui_left") or event.is_action_pressed("ui_focus_next"):
        curr_selection_id -= 1
    elif event.is_action_pressed("ui_down") or event.is_action_pressed("ui_right") or event.is_action_pressed("ui_focus_prev"):
        curr_selection_id += 1
    if event.is_action_pressed("ui_accept"):
        pick(curr_selection_id)

# Called every frame. 'delta' is the elapsed time since the previous frame.
func _process(delta):
    pass

func pick(id: int):
    print("meep")
    if id == -1:
        curr_selection_id = 0
        return
    anim_players[id].play("pick")
    var yield_to = anim_players[id].animation_finished
    output.append(options[id])
    
    options.remove_at(id)
    anim_players.remove_at(id)
    
    var winning_id = randi() % options.size()
    
    output.append(options.pop_at(winning_id))
    anim_players.pop_at(winning_id).play("shuffle")
    
    for anim in anim_players:
        anim.play("unshuffle")
    
    await yield_to

    if selection_state == CARDS:
        selection_state = TRANSITION
        
        options = $postIts.get_children()
        anim_players = []
        for post in options:
            anim_players.append(post.get_child(1))
            post.get_child(1).play("post")
        curr_selection_id = -1
        await anim_players[0].animation_finished
        selection_state == POSTS