extends Node2D


export var decisions: Dictionary = {
	"wait": 2,
	"chase": 3,
	"punch": 3,
	"beam": 1,
}
export var wait_time: float = 1.0
export var chase_speed: float = 50.0


var rng := RandomNumberGenerator.new()
var current_action: String = "wait"


onready var punch_cast: RayCast2D = $PunchCast
onready var chase_cast: RayCast2D = $ChaseCast


func _ready() -> void:
	rng.seed = "HEROMARK2".hash()
	_decide_action()


func _physics_process(delta: float) -> void:
	match current_action:
		"chase":
			if chase_cast.is_colliding():
				print("huh")
				_decide_action()
			else:
				print("hehe")
				position.x -= chase_speed * delta


func _decide_action() -> void:
	# fill array based on weights
	var weighted_decisions := []
	for k in decisions.keys():
		for i in decisions[k]:
			weighted_decisions.append(k)
	# choose an action
	current_action = weighted_decisions[rng.randi() % weighted_decisions.size()]
	# act based on new action
	match current_action:
		"wait":
			wait()
		"chase":
			chase()
		"punch":
			if punch_cast.is_colliding():
				punch()
			else:
				current_action = "chase"
				chase()
		"beam":
			beam()


func wait() -> void:
	print("waiting")
	yield(get_tree().create_timer(wait_time, false), "timeout")
	_decide_action()


func chase() -> void:
	# TODO: play animation
	print("chasing")


func punch() -> void:
	# TODO: play animation
	print("PUNCH")
	yield(get_tree().create_timer(wait_time, false), "timeout")
	_decide_action()


func beam() -> void:
	# TODO: play animation and stuff
	print("BEAM")
	yield(get_tree().create_timer(wait_time, false), "timeout")
	_decide_action()