extends Node2D

enum PlayerState {
	IDLE,
	WALKING,
	SHOVEL
}

signal DigSiteReached
signal DigStop

# Declare member variables here. Examples:
# var a = 2
# var b = "text"
var speed = 200
var isInteracting = false
var ShovelSprite
var shovel_offset = Vector2.ZERO
var NavTarget = Vector2.ZERO
var State = PlayerState.IDLE
var ShovelTimer = 0
var CurrentDigGridCoords = null

# Called when the node enters the scene tree for the first time.
func _ready():
	ShovelSprite = get_node("PirateWithShovelSprite")
	var ShovelTargetOffset = get_node("ShovelTargetOffset")
	shovel_offset = ShovelTargetOffset.transform.origin - self.transform.origin

func start_dig():
	self.State = PlayerState.SHOVEL	
	self.ShovelTimer = Globals.SHOVEL_DURATION

func update_state(delta):
	if State == PlayerState.SHOVEL:
		ShovelTimer = ShovelTimer - delta
		if ShovelTimer < 0:
			emit_signal ("DigStop")
			ShovelTimer = 0
			State = PlayerState.IDLE		

# Called every frame. 'delta' is the elapsed time since the previous frame.
func _process(delta):
	update_state(delta)
	
	Globals.DebugLabelAdd(str("Player.NavTarget: ", NavTarget))
	
	var direction = Vector2.ZERO
	
	if Input.is_action_pressed("walk_left"):
		direction.x = direction.x - 1
	
	if Input.is_action_pressed("walk_right"):
		direction.x = direction.x + 1
		
	if Input.is_action_pressed("walk_up"):
		direction.y = direction.y - 1
		
	if Input.is_action_pressed("walk_down"):
		direction.y = direction.y + 1
	
	direction = direction.normalized()
	
	var movement_target = NavTarget - shovel_offset
	var vec_to_target = movement_target - self.transform.origin
	var dist_to_target = vec_to_target.length()
	
	Globals.DebugLabelAdd(str("Direction: ", direction))

	if dist_to_target > speed * delta:
		direction = (vec_to_target).normalized()
		var velocity = direction * speed
		self.transform.origin = self.transform.origin + velocity * delta
		self.State = PlayerState.WALKING
	else:
		direction = Vector2.ZERO
		self.transform.origin = movement_target
		
		if self.State == PlayerState.WALKING:
			emit_signal ("DigSiteReached", Globals.WorldToGridCoord(NavTarget))
	
	ShovelSprite.visible = State == PlayerState.SHOVEL