## WeaponRegistry — central registry of all weapon definitions.
##
## All weapon data is defined here as static constants. Systems that need
## weapon stats (WeaponManager, BuyMenu, RoundManager) reference this.
##
## To add a new weapon: create a WeaponData resource in client/weapons/data/
## and register it in the ALL array below.

extends Node
class_name WeaponRegistry

# Define all weapons as convenient static getters
static var KNIFE: WeaponData:
	get: return _knife
static var GLOCK: WeaponData:
	get: return _glock
static var USP: WeaponData:
	get: return _usp
static var AK47: WeaponData:
	get: return _ak47
static var M4A1: WeaponData:
	get: return _m4a1
static var AWP: WeaponData:
	get: return _awp

# Weapon ID constants
const ID_KNIFE: int = 0
const ID_GLOCK: int = 1
const ID_USP: int = 2
const ID_AK47: int = 3
const ID_M4A1: int = 4
const ID_AWP: int = 5

## Array of all weapons for iteration
static var ALL: Array[WeaponData] = []

## Map of weapon_id → WeaponData for fast lookup
static var BY_ID: Dictionary = {}

## Static initializer
static func _static_init() -> void:
	ALL = [_knife, _glock, _usp, _ak47, _m4a1, _awp]
	for w in ALL:
		BY_ID[w.weapon_id] = w

# ---------------------------------------------------------------------------
# Weapon definitions
# ---------------------------------------------------------------------------

static var _knife: WeaponData = _make_weapon_data({
	weapon_id = ID_KNIFE,
	weapon_name = "Knife",
	slot = 0,
	damage = 34,
	fire_mode = WeaponData.FireMode.MELEE,
	fire_rate = 0.0,
	magazine_size = 0,
	reserve_size = 0,
	move_speed_multiplier = 1.0,
	price = 0,
	kill_reward = 1500,
	armor_penetration = 0.0,
	max_distance = 3.0,
})

static var _glock: WeaponData = _make_weapon_data({
	weapon_id = ID_GLOCK,
	weapon_name = "Glock-18",
	slot = 1,
	damage = 25,
	fire_rate = 6.0,
	magazine_size = 20,
	reserve_size = 120,
	recoil_per_shot = 0.4,
	move_speed_multiplier = 0.86,
	price = 200,
	kill_reward = 300,
	armor_penetration = 0.35,
	team = 0,  # Terrorist default
})

static var _usp: WeaponData = _make_weapon_data({
	weapon_id = ID_USP,
	weapon_name = "USP-S",
	slot = 1,
	damage = 28,
	fire_rate = 5.0,
	magazine_size = 12,
	reserve_size = 24,
	recoil_per_shot = 0.3,
	move_speed_multiplier = 0.86,
	price = 200,
	kill_reward = 300,
	armor_penetration = 0.50,
	team = 1,  # CT default
})

static var _ak47: WeaponData = _make_weapon_data({
	weapon_id = ID_AK47,
	weapon_name = "AK-47",
	slot = 3,
	damage = 36,
	fire_mode = WeaponData.FireMode.AUTO,
	fire_rate = 10.0,
	magazine_size = 30,
	reserve_size = 90,
	recoil_per_shot = 0.8,
	recoil_recovery = 6.0,
	spread_walking = 3.0,
	spread_sprinting = 8.0,
	move_speed_multiplier = 0.78,
	price = 2700,
	kill_reward = 300,
	armor_penetration = 0.77,
	team = 0,
})

static var _m4a1: WeaponData = _make_weapon_data({
	weapon_id = ID_M4A1,
	weapon_name = "M4A1-S",
	slot = 3,
	damage = 33,
	fire_mode = WeaponData.FireMode.AUTO,
	fire_rate = 10.0,
	magazine_size = 25,
	reserve_size = 75,
	recoil_per_shot = 0.7,
	recoil_recovery = 7.0,
	spread_walking = 2.5,
	spread_sprinting = 7.0,
	move_speed_multiplier = 0.78,
	price = 2900,
	kill_reward = 300,
	armor_penetration = 0.77,
	team = 1,
})

static var _awp: WeaponData = _make_weapon_data({
	weapon_id = ID_AWP,
	weapon_name = "AWP",
	slot = 4,
	damage = 115,
	fire_rate = 1.5,
	magazine_size = 10,
	reserve_size = 30,
	recoil_per_shot = 4.0,
	recoil_recovery = 1.0,
	spread_idle = 0.0,
	spread_walking = 10.0,
	spread_sprinting = 20.0,
	move_speed_multiplier = 0.57,
	price = 4750,
	kill_reward = 100,
	armor_penetration = 0.87,
	max_distance = 2000.0,
	headshot_multiplier = 5.0,  # AWP one-shots through armor
})

# ---------------------------------------------------------------------------
# Factory
# ---------------------------------------------------------------------------

static func _make_weapon_data(dict: Dictionary) -> WeaponData:
	var w := WeaponData.new()
	for key in dict:
		w.set(key, dict[key])
	return w

## Look up a weapon by its ID.
static func get_by_id(id: int) -> WeaponData:
	return BY_ID.get(id, _knife)

## Get the default weapon for a team (0=T, 1=CT).
static func get_default_weapon(team_id: int) -> WeaponData:
	return _glock if team_id == 0 else _usp