# socket_glow_fx_system.gd —— Metin2 40250 装备多孔镶嵌宝石发光流光粒子视觉系统 1:1
# 对照 40250 客户端 ItemData.h, PythonItem.cpp, InstanceBaseEffect.cpp
class_name SocketGlowFxSystem
extends RefCounted

signal glow_profile_updated(item_vnum: int, intensity: float, color: Color)

# +4 经典灵石发光光谱 (色调与波长)
const STONE_COLORS: Dictionary = {
	28430: {"name": "战士灵石+4", "color": Color(1.0, 0.2, 0.15), "glow": 1.2},   # 炽热炽红
	28431: {"name": "忍者灵石+4", "color": Color(0.2, 1.0, 0.35), "glow": 1.2},   # 剧毒翡翠
	28432: {"name": "修罗灵石+4", "color": Color(0.75, 0.15, 1.0), "glow": 1.3},  # 幽冥暗紫
	28433: {"name": "萨满灵石+4", "color": Color(1.0, 0.75, 0.1), "glow": 1.2},   # 太阳金橙
	28435: {"name": "怪物灵石+4", "color": Color(1.0, 0.05, 0.05), "glow": 1.4},  # 嗜血深红
	28436: {"name": "施法灵石+4", "color": Color(1.0, 0.95, 0.2), "glow": 1.5},   # 耀金雷光
	28438: {"name": "守护灵石+4", "color": Color(0.2, 0.65, 1.0), "glow": 1.1},   # 霜华幽蓝
	28440: {"name": "生命灵石+4", "color": Color(0.1, 0.95, 0.65), "glow": 1.1}   # 生命碧绿
}

# +7/+8/+9 装备基础强化光效配置
const REFINE_GLOW_TIERS: Dictionary = {
	7: {"intensity": 0.6, "particles": 12, "pulse": 1.0, "swirl": false, "trail": false},
	8: {"intensity": 1.2, "particles": 28, "pulse": 1.6, "swirl": false, "trail": true},
	9: {"intensity": 2.2, "particles": 55, "pulse": 2.2, "swirl": true, "trail": true}
}

# 计算装备完整的流光与发光特效数据
func calculate_equipment_glow(item: Dictionary) -> Dictionary:
	if item.is_empty():
		return _empty_glow()

	var vnum: int = int(item.get("vnum", 0))
	var refine: int = int(item.get("refine_level", 0))
	var sockets: Array = item.get("sockets", [])

	# 1. 解析宝石镶嵌颜色
	var stone_colors: Array = []
	var stone_glow_boost: float = 0.0

	for s in sockets:
		if s != null and STONE_COLORS.has(int(s)):
			var cfg = STONE_COLORS[int(s)]
			stone_colors.append(cfg["color"])
			stone_glow_boost += float(cfg["glow"]) * 0.35

	# 2. 混合计算主光色与副光色
	var primary_color := Color(1.0, 0.95, 0.85) # 默认神圣白金色
	var secondary_color := primary_color

	if not stone_colors.is_empty():
		var total_r := 0.0
		var total_g := 0.0
		var total_b := 0.0
		for c in stone_colors:
			total_r += c.r
			total_g += c.g
			total_b += c.b
		var n = float(stone_colors.size())
		primary_color = Color(total_r / n, total_g / n, total_b / n)
		secondary_color = stone_colors[0] # 首颗灵石为主导特征色

	# 3. 强化等级基础光效
	var base_intensity: float = 0.0
	var particle_rate: int = 0
	var pulse_speed: float = 0.8
	var has_trail: bool = false
	var swirl_enabled: bool = false

	if REFINE_GLOW_TIERS.has(refine):
		var r_cfg = REFINE_GLOW_TIERS[refine]
		base_intensity = r_cfg["intensity"]
		particle_rate = r_cfg["particles"]
		pulse_speed = r_cfg["pulse"]
		has_trail = r_cfg["trail"]
		swirl_enabled = r_cfg["swirl"]
	elif not stone_colors.is_empty():
		# 未到 +7 但镶嵌了灵石，产生轻微宝石微光
		base_intensity = 0.3
		particle_rate = 6

	var final_intensity: float = base_intensity + stone_glow_boost
	var is_glowing: bool = final_intensity > 0.05

	var result: Dictionary = {
		"is_glowing": is_glowing,
		"refine_level": refine,
		"stone_count": stone_colors.size(),
		"glow_intensity": final_intensity,
		"primary_color": primary_color,
		"secondary_color": secondary_color,
		"pulse_speed": pulse_speed,
		"particle_rate": particle_rate,
		"has_trail": has_trail,
		"swirl_enabled": swirl_enabled
	}

	glow_profile_updated.emit(vnum, final_intensity, primary_color)
	return result

# 将发光材质参数直接应用至 Godot 3D 材质
func apply_to_material(mat: StandardMaterial3D, glow_data: Dictionary) -> void:
	if not mat or not glow_data.get("is_glowing", false):
		if mat:
			mat.emission_enabled = false
		return

	mat.emission_enabled = true
	mat.emission = glow_data["primary_color"]
	mat.emission_energy_multiplier = glow_data["glow_intensity"]

func _empty_glow() -> Dictionary:
	return {
		"is_glowing": false,
		"refine_level": 0,
		"stone_count": 0,
		"glow_intensity": 0.0,
		"primary_color": Color.WHITE,
		"secondary_color": Color.WHITE,
		"pulse_speed": 1.0,
		"particle_rate": 0,
		"has_trail": false,
		"swirl_enabled": false
	}