extends Area3D
class_name Character

signal turn(direction: TileTurn.Direction)

@onready var animation_player: AnimationPlayer = $AnimationPlayer as AnimationPlayer

@export var speed: float = 20.0
@export var jump_height: float = 3
@export var tile: Tile

var total_distance: float = 0.0
var current_height: float = 0.0
var jump_tween: Tween
var fall_tween: Tween
var in_air: bool = false
var sliding: bool = false


func _ready() -> void:
	animation_player.animation_finished.connect(_animation_finished)
	if tile == null or tile is not Tile:
		printerr("tile is not set to a Tile")
		return


func _process(delta: float) -> void:
	if tile == null:
		return
	
	if Input.is_action_just_pressed("ui_right"):
		turn.emit(TileTurn.Direction.Right)
	if Input.is_action_just_pressed("ui_left"):
		turn.emit(TileTurn.Direction.Left)
	if Input.is_action_just_pressed("ui_up"):
		jump()
	if Input.is_action_just_pressed("ui_down"):
		slide()
	
	global_position = tile.marker_position
	global_rotation = tile.marker_rotation
	if tile.follow.progress_ratio >= 1:
		return
	var travel: float = speed * delta
	tile.follow.progress += travel
	total_distance += travel
	tile.follow.v_offset = current_height


func _on_area_entered(area: Area3D) -> void:
	if area is Obstacle:
		handle_obstacle(area)


func handle_obstacle(obstacle: Obstacle) -> void:
	if obstacle.effect == Obstacle.ObstacleEffect.Kill:
		print("kill")
		speed = 0


func jump() -> void:
	if in_air or sliding:
		return
	in_air = true
	jump_tween = get_tree().create_tween()
	jump_tween.tween_property(self, "current_height", jump_height, 0.25).set_trans(Tween.TRANS_SINE).set_ease(Tween.EASE_OUT)
	jump_tween.tween_callback(fall)

func fall() -> void:
	fall_tween = get_tree().create_tween()
	fall_tween.tween_property(self, "current_height", 0, 0.25).set_trans(Tween.TRANS_SINE).set_ease(Tween.EASE_IN)
	fall_tween.tween_callback(finish_falling)


func finish_falling() -> void:
	in_air = false


func slide() -> void:
	if in_air or sliding:
		return
	sliding = true
	animation_player.play("slide")


func _animation_finished(animation_name: String) -> void:
	if animation_name == "slide":
		sliding = false