# chat_hyperlink_dice_system.gd —— 40250 聊天物品超链接与 /dice 掷骰系统 1:1
# 严格对照：
#   ClientVS22/source/EterLib/TextTag.cpp:32 (Hyperlink |Hitem:vnum:flags:socket:attr|h[%s]|h)
#   Client/Eternexus/root/uichat.py & uitooltip.py (ItemHyperlink, SetHyperlinkItem)
#   metin2/src/server/game/src/cmd_general.cpp:2392 (do_dice)
extends RefCounted

const LINK_COLOR := "ffffc700"        # 官方物品链接专用亮金黄色

# 1. 将物品数据编码为 40250 官方超链接格式
# 格式: |cffffc700|Hitem:vnum:flags:s0:s1:s2:a0_t:a0_v:a1_t:a1_v:...|h[物品名]|h|r
static func encode_item_hyperlink(item_data: Dictionary) -> String:
	var vnum: int = item_data.get("vnum", 0)
	var name: String = item_data.get("name", "Unknown Item")
	var flags: int = item_data.get("flags", 0)

	var sockets: Array = item_data.get("sockets", [0, 0, 0])
	while sockets.size() < 3:
		sockets.append(0)

	var attrs: Array = item_data.get("attributes", [])
	var attr_parts: Array = []
	for a in attrs:
		attr_parts.append("%d:%d" % [a.get("type", 0), a.get("value", 0)])

	var payload_parts := [
		str(vnum),
		str(flags),
		str(sockets[0]),
		str(sockets[1]),
		str(sockets[2])
	]
	if not attr_parts.is_empty():
		payload_parts.append((":").join(attr_parts))

	var payload := (":").join(payload_parts)
	return "|c%s|Hitem:%s|h[%s]|h|r" % [LINK_COLOR, payload, name]

# 2. 从超链接中解析提取物品完整数据结构 (1:1 TextTag::FindHyperlink)
static func decode_item_hyperlink(hyperlink_text: String) -> Dictionary:
	var res := {
		"valid": false,
		"vnum": 0,
		"name": "",
		"flags": 0,
		"sockets": [0, 0, 0],
		"attributes": []
	}

	# 正则或字符串匹配提取 |Hitem:(.+?)\|h\[(.*?)\]\|h
	var h_start := hyperlink_text.find("|Hitem:")
	if h_start == -1:
		return res

	var payload_start := h_start + 7 # len("|Hitem:")
	var payload_end := hyperlink_text.find("|h[", payload_start)
	if payload_end == -1:
		return res

	var payload := hyperlink_text.substr(payload_start, payload_end - payload_start)

	var name_start := payload_end + 3 # len("|h[")
	var name_end := hyperlink_text.find("]|h", name_start)
	if name_end == -1:
		return res

	var display_name := hyperlink_text.substr(name_start, name_end - name_start)
	res["name"] = display_name

	var tokens := payload.split(":")
	if tokens.size() < 5:
		return res

	res["vnum"] = tokens[0].to_int()
	res["flags"] = tokens[1].to_int()
	res["sockets"] = [tokens[2].to_int(), tokens[3].to_int(), tokens[4].to_int()]

	# 解析属性对 (type:value)
	var attrs: Array = []
	var idx := 5
	while idx + 1 < tokens.size():
		var at_type := tokens[idx].to_int()
		var at_val := tokens[idx + 1].to_int()
		attrs.append({ "type": at_type, "value": at_val })
		idx += 2

	res["attributes"] = attrs
	res["valid"] = true
	return res

# 3. 模拟 Tooltip 生成（悬停时渲染内容）
static func build_tooltip_text(item_dict: Dictionary) -> String:
	if not item_dict.get("valid", false):
		return "无效的物品链接"

	var lines: Array = []
	lines.append("=== %s (Vnum: %d) ===" % [item_dict["name"], item_dict["vnum"]])

	# 宝石孔位信息
	var sockets: Array = item_dict.get("sockets", [])
	for i in range(sockets.size()):
		var s: int = sockets[i]
		if s > 0:
			lines.append("孔位 %d: 镶嵌宝石 [Vnum %d]" % [i + 1, s])
		elif s == 1: # 官方孔位开孔标记
			lines.append("孔位 %d: 空孔" % [i + 1])

	# 附加属性信息 (1~7 条)
	var attrs: Array = item_dict.get("attributes", [])
	for a in attrs:
		lines.append("附加属性: 类型 %d +%d" % [a["type"], a["value"]])

	return ("\n").join(lines)

# 4. 40250 官方 /dice 掷骰系统 (1:1 ACMD(do_dice))
static func execute_dice(player_name: String, args: Array = [], roll_override: int = -1) -> Dictionary:
	var start_val := 1
	var end_val := 100

	if args.size() >= 2:
		start_val = int(args[0])
		end_val = int(args[1])
	elif args.size() == 1:
		start_val = 1
		end_val = int(args[0])

	# 40250 规则: end = MAX(start, end); start = MIN(start, end);
	var real_start := mini(start_val, end_val)
	var real_end := maxi(start_val, end_val)

	var roll_result: int = 0
	if roll_override >= 0:
		roll_result = clamp(roll_override, real_start, real_end)
	else:
		roll_result = randi() % (real_end - real_start + 1) + real_start

	var broadcast_msg := "%s 投掷了骰子，点数为 %d (%d-%d)" % [
		player_name, roll_result, real_start, real_end
	]

	return {
		"player": player_name,
		"roll": roll_result,
		"start": real_start,
		"end": real_end,
		"message": broadcast_msg
	}