class_name NPC
extends Character


enum npcDifficulties { MINION, NORMAL, ELITE, BOSS, ELITEBOSS, BBEG }
enum npcTiers { I, II, III, IV, V, VI, VII, VIII, IX, X }

@export var npcDifficulty: npcDifficulties
@export var npcTier: npcTiers

func _random_mod_health() -> void:
    randomize()
    # noise factor
    var noise_factor = randf_range(7, 10)
    self.maxHealth *= noise_factor
    # difficulty factor
    match self.npcDifficulty:
        npcDifficulties.MINION:
            self.maxHealth /= 2
        npcDifficulties.ELITE:
            self.maxHealth *= 2
        npcDifficulties.BOSS:
            self.maxHealth *= 4
        npcDifficulties.ELITEBOSS:
            self.maxHealth *= 8
        npcDifficulties.BBEG:
            self.maxHealth *= 16
    # npcTier factor
    self.maxHealth *= exp(self.npcTier)
    # fun factor (just additional factor to tweak)
    self.maxHealth *= 10


func _init() -> void:
    self.npcDifficulty = npcDifficulties.NORMAL
    self.npcTier = npcTiers.I
 

func _ready() -> void:
    # add to enemies
    add_to_group("enemies")

    # modify max health value based on the various factors
    _random_mod_health()
    
func _process(delta: float) -> void:
    # if damageTaken > maxHealth:
    #    self.free()?
    #    send signal that I died to be counted, etc.
    pass