class_name Game extends Node

@onready var hud := $HUD as HUD

var current_scene : Node
var level0 = preload("res://levels/level_0.tscn")
var level1 = preload("res://levels/level_1.tscn")

var scene_name = "level_0"
var current_scence
var prev_scene
var last_spawn_point = null

var princesse : Princess = null

var goto_destination
var goto_spawn_point

# Called when the node enters the scene tree for the first time.
func _ready() -> void:
    go_to(scene_name, null)

func reload_current_scene() -> void:
    go_to(scene_name, last_spawn_point)
    hud.reset()

func enter_door(destination : String, other_side_position : Vector2):
    call_deferred("go_to", destination, other_side_position)

func go_to(destination : String, spawn_point):
    goto_destination = destination
    goto_spawn_point = spawn_point
    hud.begin_scene_transition()

func _on_hud_screen_is_black() -> void:
    var destination = goto_destination
    var spawn_point = goto_spawn_point

    var old_princesse :Princess = null
    if current_scence:
        old_princesse = current_scence.find_child("Princesse")
        old_princesse.disconnect("cheese_collected", hud_load_cheese)
        old_princesse.disconnect("dash_fart", hud_unload_cheese)
        #old_princesse.disconnect("princess_is_dead", princess_death)
        remove_child(current_scence)

    if destination == "level_1":
        current_scence = level1.instantiate()
        scene_name = "level_1"
    elif destination == "level_0":
        current_scence = level0.instantiate()
        scene_name = "level_0"

    current_scence.connect("reload_me", reload_current_scene, ConnectFlags.CONNECT_ONE_SHOT)
    var doors :Node = current_scence.find_child("Doors")
    if doors:
        for door in doors.get_children():
            door.connect("door_openned", enter_door, ConnectFlags.CONNECT_ONE_SHOT)
    add_child(current_scence)

    princesse= current_scence.find_child("Princesse")
    if spawn_point:
        princesse.position = spawn_point
        last_spawn_point = spawn_point
        if old_princesse:
            princesse.copy_from(old_princesse)
    princesse.connect("cheese_collected", hud_load_cheese)
    princesse.connect("dash_fart", hud_unload_cheese)
    #princesse.connect("princess_is_dead", princess_death)
    hud.end_scene_transition()


# vient de la princesse quand elle a ramassé un fromage
func hud_load_cheese():
    Input.start_joy_vibration(0, 0, 1, 0.1)
    hud.load_cheese()

# vient de la princesse quand elle ^ète
func hud_unload_cheese():
    hud.dash_fart()

# quand le fromage est chargé, le jeu le signale à la princesse
func _on_hud_fart_reloaded() -> void:
    princesse.reload_fart()

func _on_hud_screen_is_ready() -> void:
    princesse.go_out_and_play()