"use strict";Object.defineProperty(exports, "__esModule", { value: true });exports.extractAgentId = extractAgentId;exports.extractChatId = extractChatId;exports.extractContent = extractContent;exports.extractFileName = extractFileName;exports.extractFromUser = extractFromUser;exports.extractMediaId = extractMediaId;exports.extractMsgId = extractMsgId;exports.extractMsgType = extractMsgType;exports.extractToUser = extractToUser;exports.parseXml = parseXml;




var _fastXmlParser = require("fast-xml-parser"); /**
 * WeCom XML 解析器
 * 用于 Agent 模式解析 XML 格式消息
 */const xmlParser = new _fastXmlParser.XMLParser({
  ignoreAttributes: false,
  trimValues: true,
  processEntities: false,
  parseTagValue: false,
  parseAttributeValue: false
});

/**
 * 解析 XML 字符串为消息对象
 */
function parseXml(xml) {
  const obj = xmlParser.parse(xml);
  const root = obj?.xml ?? obj;
  return root ?? {};
}

/**
 * 从 XML 中提取消息类型
 */
function extractMsgType(msg) {
  return String(msg.MsgType ?? "").toLowerCase();
}

/**
 * 从 XML 中提取发送者 ID
 */
function extractFromUser(msg) {
  return String(msg.FromUserName ?? "");
}

/**
 * 从 XML 中提取文件名（主要用于 file 消息）
 */
function extractFileName(msg) {
  const raw = msg.FileName ?? msg.Filename ?? msg.fileName ?? msg.filename;
  if (raw == null) return undefined;
  if (typeof raw === "string") return raw.trim() || undefined;
  if (typeof raw === "number" || typeof raw === "boolean" || typeof raw === "bigint") return String(raw);
  if (Array.isArray(raw)) {
    const merged = raw.map((v) => v == null ? "" : String(v)).join("\n").trim();
    return merged || undefined;
  }
  if (typeof raw === "object") {
    const obj = raw;
    const text = typeof obj["#text"] === "string" ? obj["#text"] :
    typeof obj["_text"] === "string" ? obj["_text"] :
    typeof obj["text"] === "string" ? obj["text"] : undefined;
    if (text && text.trim()) return text.trim();
  }
  const s = String(raw);
  return s.trim() || undefined;
}

/**
 * 从 XML 中提取接收者 ID (CorpID)
 */
function extractToUser(msg) {
  return String(msg.ToUserName ?? "");
}

/**
 * 从 XML 中提取群聊 ID
 */
function extractChatId(msg) {
  return msg.ChatId ? String(msg.ChatId) : undefined;
}

/**
 * 从 XML 中提取 AgentID（兼容 AgentID/agentid 等大小写）
 */
function extractAgentId(msg) {
  const raw =
  msg.AgentID ??
  msg.AgentId ??
  msg.agentid ??
  msg.agentId;
  if (raw == null) return undefined;
  if (typeof raw === "string") return raw.trim() || undefined;
  if (typeof raw === "number") return raw;
  const asString = String(raw).trim();
  return asString || undefined;
}

/**
 * 从 XML 中提取消息内容
 */
function extractContent(msg) {
  const msgType = extractMsgType(msg);

  const asText = (value) => {
    if (value == null) return "";
    if (typeof value === "string") return value;
    if (typeof value === "number" || typeof value === "boolean" || typeof value === "bigint") return String(value);
    if (Array.isArray(value)) return value.map(asText).filter(Boolean).join("\n");
    if (typeof value === "object") {
      const obj = value;
      // fast-xml-parser 在某些情况下（例如带属性）会把文本放在 "#text"
      if (typeof obj["#text"] === "string") return obj["#text"];
      if (typeof obj["_text"] === "string") return obj["_text"];
      if (typeof obj["text"] === "string") return obj["text"];
      try {
        return JSON.stringify(obj);
      } catch {
        return String(value);
      }
    }
    return String(value);
  };

  switch (msgType) {
    case "text":
      return asText(msg.Content);
    case "voice":
      // 语音识别结果
      return asText(msg.Recognition) || "[语音消息]";
    case "image":
      return `[图片] ${asText(msg.PicUrl)}`;
    case "file":
      return "[文件消息]";
    case "video":
      return "[视频消息]";
    case "location":
      return `[位置] ${asText(msg.Label)} (${asText(msg.Location_X)}, ${asText(msg.Location_Y)})`;
    case "link":
      return `[链接] ${asText(msg.Title)}\n${asText(msg.Description)}\n${asText(msg.Url)}`;
    case "event":
      return `[事件] ${asText(msg.Event)} - ${asText(msg.EventKey)}`;
    default:
      return `[${msgType || "未知消息类型"}]`;
  }
}

/**
 * 从 XML 中提取媒体 ID (Image, Voice, Video)
 * 根据官方文档，MediaId 在 Agent 回调中直接位于根节点
 */
function extractMediaId(msg) {
  const raw = msg.MediaId ?? msg.MediaID ?? msg.mediaid ?? msg.mediaId;
  if (raw == null) return undefined;
  if (typeof raw === "string") return raw.trim() || undefined;
  if (typeof raw === "number" || typeof raw === "boolean" || typeof raw === "bigint") return String(raw);
  if (Array.isArray(raw)) {
    const merged = raw.map((v) => v == null ? "" : String(v)).join("\n").trim();
    return merged || undefined;
  }
  if (typeof raw === "object") {
    const obj = raw;
    const text = typeof obj["#text"] === "string" ? obj["#text"] :
    typeof obj["_text"] === "string" ? obj["_text"] :
    typeof obj["text"] === "string" ? obj["text"] : undefined;
    if (text && text.trim()) return text.trim();
    try {
      const s = JSON.stringify(obj);
      return s.trim() || undefined;
    } catch {
      const s = String(raw);
      return s.trim() || undefined;
    }
  }
  const s = String(raw);
  return s.trim() || undefined;
}

/**
 * 从 XML 中提取 MsgId（用于去重）
 */
function extractMsgId(msg) {
  const raw = msg.MsgId ?? msg.MsgID ?? msg.msgid ?? msg.msgId;
  if (raw == null) return undefined;
  if (typeof raw === "string") return raw.trim() || undefined;
  if (typeof raw === "number" || typeof raw === "boolean" || typeof raw === "bigint") return String(raw);
  if (Array.isArray(raw)) {
    const merged = raw.map((v) => v == null ? "" : String(v)).join("\n").trim();
    return merged || undefined;
  }
  if (typeof raw === "object") {
    const obj = raw;
    const text = typeof obj["#text"] === "string" ? obj["#text"] :
    typeof obj["_text"] === "string" ? obj["_text"] :
    typeof obj["text"] === "string" ? obj["text"] : undefined;
    if (text && text.trim()) return text.trim();
    try {
      const s = JSON.stringify(obj);
      return s.trim() || undefined;
    } catch {
      const s = String(raw);
      return s.trim() || undefined;
    }
  }
  const s = String(raw);
  return s.trim() || undefined;
} /* v9-266c0af75d07ce62 */