extends Spatial

var animation_object:AnimationPlayer = null

var rotation_speed_factor = 0.01
var move_speed = 2.5
var run_speed = 5.0
var max_speed = 12.0
export var gravity = -9.0

var orientation = 0.0
var direction = Vector3.ZERO
var velocity: = Vector3.ZERO
var idle_animation = "idle"

func search_animation( obj ) -> bool:
	var ret:bool = false
	for i in obj.get_children():
		if i.get_name() == "AnimationPlayer":
			animation_object = i
			return true
		else:
			ret = search_animation(i)
			if ret == true:
				return ret
	return false


func _ready():
	match Globals.player['Race']:
		"arche":
			idle_animation = "idle"
			self.change_creature( "res://scenes/creature_creation/arche.tscn" )
		"isidor":
			idle_animation = "idle"
			self.change_creature( "res://scenes/creature_creation/isidor.tscn" )
		"raference":
			idle_animation = "_bip01_ca_female_idle"
			self.change_creature( "res://scenes/creature_creation/raference.tscn" )
		_:
			idle_animation = "idle"
			self.change_creature( "res://scenes/creature_creation/arche.tscn" )
	# search_animation($character)
	# Globals.player['blend_shape']
	update_blend_shapes($character/creature, Globals.player['blend_shape'])
	animation_object.play( idle_animation )
	animation_object.connect("animation_finished", self, "_on_AnimationPlayer_animation_finished")

func _on_AnimationPlayer_animation_finished(anim_name):
	Config.msg_debug("Animation finished:" + anim_name)
	animation_object.play( anim_name )

static func get_input_direction() -> Vector3:
	return Vector3(
				Input.get_action_strength("move_strafe_right") - Input.get_action_strength("move_strafe_left"),
				0,
				Input.get_action_strength("move_backward") - Input.get_action_strength("move_forward")
			)


func calculate_velocity(
		velocity_current: Vector3,
		move_direction: Vector3,
		delta: float
	) -> Vector3:
		var velocity_new = Vector3.ZERO
		velocity_new = move_direction
		
		velocity_new *= move_speed
		if velocity_new.length() > max_speed:
			velocity_new = velocity_new.normalized() * max_speed
		velocity_new.y = velocity_current.y + gravity * delta
		return velocity_new


func _process( delta ):
	Config.msg_info( Input.get_action_strength("move_backward") )
	Config.msg_info( Input.get_action_strength("move_forward") )
	# $character.direction = self.get_input_direction()
	#self.direction = self.get_input_direction()
	self.rotate_y( self.rotation_speed_factor * self.orientation )
	
#	var forwards: Vector3 = 1.0 * direction.z
#	var right: Vector3 = 1.0 * direction.x
#	if forwards:
#		right = Vector3.ZERO
#	var move_direction: = forwards + right
#	if move_direction.length() > 1.0:
#		move_direction = move_direction.normalized()
#	move_direction.y = 0
#	velocity = self.calculate_velocity(velocity, move_direction, delta)	
##	$creature.move_and_slide(velocity, Vector3.UP, true)
#	velocity = $character.move_and_slide(velocity, Vector3.UP, true)


func _input( event ):
	# Config.msg_debug(str(event))
	self.direction = self.get_input_direction()
	if not Input.is_key_pressed( KEY_SHIFT ):
		self.orientation = (Input.get_action_strength("move_turn_left") - Input.get_action_strength("move_turn_right"))
	else:
		self.orientation = 0.0
	if event is InputEventMouseMotion and Input.is_mouse_button_pressed( 2 ):
		if $character/creature:
			self.rotate_y( event.relative.x *0.01 )
	elif event.is_action( "camera_zoom_in" ):
		# self.zoom_level += 1
		self.move_speed
		pass
	elif event.is_action( "camera_zoom_out" ):
		# self.zoom_level -= 1
		pass
	elif event.is_action_pressed( "camera_switch" ):
		if $camera_tps.current:
			$camera_fps.make_current()
			#$character/spring_arm.rotation = Vector3.ZERO
#            self.hide()
		else:
			$camera_tps.make_current()
#            self.show()
	elif event.is_action( "move_backward" ):
		Config.msg_info( "move_backward" )
		pass
	elif event.is_action( "move_forward" ):
		Config.msg_info( "move_forward" )
		pass
	if animation_object != null:
		# Lance une animation d'attente si on ne fait rien
		if not animation_object.is_playing() and animation_object.has_animation("idle"):
			animation_object.play( idle_animation )


func change_creature( new_model_path ):
	if $character/creature:
		var old_model = $character/creature
		$character.remove_child( old_model )
		old_model.queue_free()
		self.animation_object = null
	var new_model = load( new_model_path )
	if new_model:
		new_model = new_model.instance()
		new_model.name = "creature"
		$character.add_child( new_model )
		#new_model.connect( "animation_finished", self, "_on_creature_animation_finished" )
		# new_model.duplicate_meshes()
		search_animation( new_model )


func _on_creature_animation_finished(anim_name):
	Config.msg_debug("anim_name:" + anim_name)

func update_blend_shapes( obj , param):
	#blend_shapes = {}
	update_blend_shapes_step(obj, param, "")
	pass


func update_blend_shapes_step( obj, param, father = "" ):
	for i in obj.get_children():
		var root = father + str(i.name) + "."
		if i is MeshInstance:
			for key in i.get_property_list():
				if key.name.substr(0, 13) == "blend_shapes/":
					var blend = key.name.substr(13)
					if param.has(blend):
						i.set( "blend_shapes/"+blend, param[blend] )
		update_blend_shapes_step( i, param, root)