using System.Text.RegularExpressions;
using Common;
using Infrastructure;
using LitJson;
using Model;
using Model.Custom;
using Model.Source;

namespace Util.Logic
{
    public class LogicToolNodeHelper
    {
        /// <summary>
        /// HTTP请求节点
        /// </summary>
        /// <param name="node">节点数据</param>
        /// <param name="paramList">参数列表</param>
        public static void httpRequest(NodeList node, List<ParamList> paramList)
        {
            JsonData nodeData = node.nodeData;
            string requestMethod = nodeData["data"]["formData"]["requestMethod"]["value"].ToString(); // HTTP方法
            string requestUrl = nodeData["data"]["formData"]["requestUrl"]["value"].ToString(); // HTTP请求URL
            string responseParam = nodeData["data"]["formData"]["output"]["value"].ToString(); // HTTP响应参数
            string response = ""; // HTTP响应
            if(requestMethod == "GET") // GET请求
            {
                // 处理GET请求参数
                JsonData requestParams = nodeData["data"]["formData"]["requestParams"]["value"]; // HTTP请求参数
                // 处理GET请求参数中的参数
                Dictionary<string, string> requestParamsDict = new Dictionary<string, string>();
                foreach(JsonData param in requestParams)
                {
                    string label = param["label"].ToString();
                    string value = param["value"].ToString();
                    if (value.Contains('.'))
                    {
                        value = value.Substring(value.LastIndexOf(".") + 1);
                        var paramData = paramList.FirstOrDefault(x => x.paramName == value);
                        if (paramData != null)
                        {
                            value = paramData.paramValue;
                        }
                    }
                    requestParamsDict.Add(label, value);
                }
                response = Function.GetWebRequest( requestUrl + "?value=" + Newtonsoft.Json.JsonConvert.SerializeObject(requestParamsDict)); // 发送GET请求
            }
            else if(requestMethod == "POST" || requestMethod == "PUT") // POST/PUT请求
            {
                // 处理POST/PUT请求参数
                string requestBody = nodeData["data"]["formData"]["requestBody"]["value"].ToString(); // HTTP请求体
                // 处理POST/PUT请求体中的参数
                MatchCollection matches = Regex.Matches(requestBody, "${.*?}");
                foreach(Match match in matches)
                {
                    string paramName = match.Value.Replace("${", "").Replace("}", "");
                    var paramData = paramList.FirstOrDefault(x => x.paramName == paramName);
                    if (paramData != null)
                    {
                        requestBody = requestBody.Replace("{" + paramName + "}", paramData.paramValue);
                    }
                }
                response = Function.PostWebRequest( requestUrl, requestBody, requestMethod, "application/json"); // 发送POST/PUT请求
            }
            // 处理POST/PUT请求响应
            JsonData responseJson = JsonMapper.ToObject(response);
            // 处理POST/PUT请求响应中的参数
            foreach(JsonData param in responseParam)
            {
                string paramName = param["label"].ToString();
                string paramType = param["type"][0].ToString();
                JsonData paramValue = responseJson[paramName];
                ParamList paramListObj = new ParamList();
                paramListObj.nodeId = node.nodeId;
                paramListObj.paramName = paramName;
                paramListObj.paramType = paramType;
                if(paramType == "object" || paramType == "array")
                {
                    paramListObj.paramValue = paramValue.ToJson();
                }
                else
                {
                    paramListObj.paramValue = paramValue.ToString();
                }
                paramList.Add(paramListObj);
            }
        }

    
    }
}