extends KinematicBody2D

enum STATE {IDLE, RUN, JUMP, FALL, HURT}
enum STATE_SECONDARY {NONE, SHOOT}

class StateMachine:
	var primary = STATE.IDLE
	var secondary = STATE_SECONDARY.NONE

onready var player_state = StateMachine.new()
onready var player_last_state = StateMachine.new()

# Declare member variables here. Examples:
# var a = 2
# var b = "text"
onready var gravity = 60*9.8

onready var speed = Vector2((30*5), (gravity * 1/2))
#onready var gravity = ProjectSettings.get("physics/2d/default_gravity")

onready var _animated_sprite = $AnimatedSprite

var velocity = Vector2.ZERO


# Called when the node enters the scene tree for the first time.
func _ready():
	pass # Replace with function body.


func get_direction():
	return Vector2(
		Input.get_axis("ui_left", "ui_right"),
		-1 if is_on_floor() and Input.is_action_just_pressed("ui_accept") else 0
	)

func calculate_move_velocity(
		linear_velocity,
		direction,
		speed
	):
	var velocity = linear_velocity
	velocity.x = speed.x * direction.x
	if direction.y != 0.0:
		velocity.y = speed.y * direction.y
	return velocity


# Called every frame. 'delta' is the elapsed time since the previous frame.
func _physics_process(delta):
	var direction = get_direction()
#	if not is_on_floor():
#		velocity.y += gravity * delta
#
#	# Handle jump.
#	if Input.is_action_just_pressed("ui_accept") and is_on_floor():
#		velocity.y += (gravity * -1) * delta
#
#	# Get the input direction and handle the movement/deceleration.
#	# As good practice, you should replace UI actions with custom gameplay actions.
#	var direction = Input.get_axis("ui_left", "ui_right")
#	if direction:
#		velocity.x = direction * SPEED
#	else:
#		velocity.x = move_toward(velocity.x, 0, SPEED)
	velocity = calculate_move_velocity(velocity, direction, speed)
	move_and_slide(velocity, Vector2(0, -1))
	# Apply Gravity 
	velocity.y += gravity * delta

	#Animation

	if direction.x > 0 and _animated_sprite.flip_h != true:
		_animated_sprite.flip_h = true
	if direction.x < 0 and _animated_sprite.flip_h != false:
		_animated_sprite.flip_h = false
		

	player_state.primary = STATE.IDLE
	
	match player_state.primary:
		STATE.IDLE:
			if direction.y == 0:
				player_state.primary = STATE.FALL
		STATE.FALL:
			print("Fall")
		STATE.RUN:
			print("Idle")
	
	if not is_on_floor():
		if _animated_sprite.animation != "jump":
			_animated_sprite.play("jump")
	else:
		if direction and _animated_sprite.animation != "run":
			print(_animated_sprite.animation, direction)
			_animated_sprite.play("run")
		elif not direction:
			_animated_sprite.play("idle")