class_name SimNPC
extends RefCounted

var id: int
var npc_name: String
var profession: String
var hunger: float
var energy: float
var strength: float
var intelligence: float
var current_task: String = "idle"
var position: Vector3

var is_starving := false

func _init(
	_id: int,
	_npc_name: String,
	_profession: String,
	_strength: float,
	_intelligence: float
) -> void:
	id = _id
	npc_name = _npc_name
	profession = _profession
	strength = _strength
	intelligence = _intelligence
	hunger = randf_range(20.0, 80.0)
	energy = randf_range(40.0, 100.0)

	position = Vector3(randf_range(-8.0, 8.0), 0.0, randf_range(-8.0, 8.0))

func simulate_tick(village: SimVillage) -> void:
	hunger += 5.0 * village.food_modifier
	energy -= 2.0

	hunger = clamp(hunger, 0.0, 100.0)
	energy = clamp(energy, 0.0, 100.0)

	if hunger > 75.0:
		if village.food > 0:
			current_task = "eat"
			hunger -= 25.0
		else:
			current_task = "gather_food"
		return

	if energy < 30.0:
		current_task = "rest"
		energy += 20.0
		return
		
	is_starving = hunger >= 90.0
	
	if is_starving:	
		energy -= 8.0

	hunger = clamp(hunger, 0.0, 100.0)
	energy = clamp(energy, 0.0, 100.0)

	if village.food < 15.0:
		current_task = "gather_food"
		return

	if village.wood < 10.0:
		current_task = "gather_wood"
		return

	if village.safety < 40.0 and profession == "guard":
		current_task = "patrol"
		return

	if village.knowledge < 10.0 and profession == "scholar":
		current_task = "study"
		return

	match profession:
		"farmer":
			current_task = "gather_food"
		"woodcutter":
			current_task = "gather_wood"
		"guard":
			current_task = "patrol"
		"scholar":
			current_task = "study"
		_:
			current_task = "wander"