extends CenterContainer

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

@onready var debug_board:Control = $"board of devs"

var has_focus = false: 
    set(focus):
        if not focus == has_focus:
            if focus:
                for player in anim_players: player.play("reveal")
                selection_state = CARDS # fixme
                self.show()
        has_focus = focus

var selection_state = INI

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():
    var card_controls = $cards.get_children()
    for control in card_controls:
        options.append(control.get_child(1))
        anim_players.append(control.get_child(0))
    
    fill_card_slots()

func fill_card_slots():
    for i in range($cards.get_child_count()):
        var card:Card = $cards.get_child(i).get_child(1)
        card.replace_with(debug_board.get_child(0).get_child(i) as Card)

func fill_post_slots():
    var post_its: Array[PostIt] = []
    for card in output:
        post_its.append_array(card.own_postits)
        print(card.own_postits)
    
    for i in range(post_its.size()):
        options[i].replace_with(post_its[i])
    
func _unhandled_input(event):
    if has_focus:
        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)

func pick(id: int):
    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])
    
    var sibling_id = -1
    if selection_state == POSTS:
        
        sibling_id = options.find(options[id].sibling)
        
        print("yeet sibling ", sibling_id)
    
    options.remove_at(id)
    anim_players.remove_at(id)
    
    randomize()
    var winning_id = randi() % options.size()
    
    print("Winning ID ", id)
    
    if winning_id == sibling_id:
        winning_id = (winning_id + 1) % 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 = []
        anim_players = []
        for control in $postIts.get_children():
            options.append(control.get_child(1))
            anim_players.append(control.get_child(0))
            control.get_child(0).play("post")
        curr_selection_id = -1
        
        fill_post_slots()
        
        await anim_players[0].animation_finished
        selection_state = POSTS