using Newtonsoft.Json;
using System.Data.SqlClient;
using System.Dynamic;
using System.Net;
using System.Net.Cache;
using System.Text;


namespace Gs.Toolbox;

public class InterfaceUtil
{
    /// <summary>
    /// 
    /// </summary>
    /// <param name="param">json参数</param>
    /// <param name="edtUserGuid"></param>
    /// <param name="abtGuid"></param>
    /// <param name="hNo"></param>
    /// <param name="urlType">如果为2，则是更新工单状态</param>
    /// <returns>如果成功返回日志guid,否则返回串</returns>
    public static (int, string) HttpPostErp(string param, string edtUserGuid = "", string abtGuid = "", string hNo = "", int urlType = 0)
    {
        int _rtn = 0;
        //日志详细，发送的时候，记录日志，存储过程调用的时候，再累加上mes业务的操作结果
        System.Text.StringBuilder sbLog = new System.Text.StringBuilder();
        sbLog.Append(DateTime.Now.ToString() + "开始发送");
        string strLogGuid = Guid.NewGuid().ToString();
        string url = AppSettingsHelper.getValueByKey("TestErpUrl");
        if (urlType == 2)
        {
            url = AppSettingsHelper.getValueByKey("TestErpUrl2");
        }
        else if (urlType == 3)
        {
            url = AppSettingsHelper.getValueByKey("TestErpUrl3");
        }
        else if (urlType == 4)
        {
            url = AppSettingsHelper.getValueByKey("TestErpUrl4");
        }
        else if (urlType == 5)
        {
            url = AppSettingsHelper.getValueByKey("TestErpUrl5");
        }
        else if (urlType == 6)
        {
            url = AppSettingsHelper.getValueByKey("TestErpUrl6");
        }
        else if (urlType == 101)
        {
            url = AppSettingsHelper.getValueByKey("TestErpUrl101");
        }
        HttpWebRequest request = null;
        StreamWriter requestStream = null;
        WebResponse response = null;
        string responseStr = "";
        try
        {
            request = (HttpWebRequest)WebRequest.Create(url);
            request.Method = "POST";
            request.ContentType = "application/json";
            request.Accept = "*/*";
            //request.Timeout = 150000;
            request.AllowAutoRedirect = false;
            request.ServicePoint.Expect100Continue = false;
            HttpRequestCachePolicy noCachePolicy = new HttpRequestCachePolicy(HttpRequestCacheLevel.NoCacheNoStore);
            request.CachePolicy = noCachePolicy;
            requestStream = new StreamWriter(request.GetRequestStream());
            requestStream.Write(param);
            requestStream.Close();
            response = request.GetResponse();
            if (response != null)
            {
                var reader = new StreamReader(response.GetResponseStream(),Encoding.UTF8);
                responseStr = reader.ReadToEnd();
                reader.Close();
            }
           // LogHelper.Debug(url, "HttpPostErp response:" + param + "，response:" + responseStr.ToString());
        }
        catch (Exception ex)
        {
            LogHelper.Debug(url, "HttpPostErp response:" + param + "，ex:" + ex.Message);
            responseStr = ex.Message;
            _rtn = -1;
        }
        finally
        {
            request = null;
            requestStream = null;
            response = null;
        }
        //{"msg":"操作成功","code":200,"data":{"number":"CGSL168397","code":"200","id":"268781"}}
        if (_rtn != -1)
        {
            try
            {
                Result _result = JsonConvert.DeserializeObject<Result>(responseStr);
                
                // 【优先判断】data.code（ERP真正的处理结果）
                if (_result?.data != null && "200".Equals(_result.data.code))
                {
                    _rtn = 1;
                    LogHelper.Debug(url, $"ERP处理成功，data.code=200, number={_result.data.number}, id={_result.data.id}");
                }
                // 【降级判断】如果data为空，则判断外层code（兼容旧接口）
               /* else if (_result != null && "200".Equals(_result.code))
                {
                    _rtn = 1;
                    LogHelper.Debug(url, $"ERP外层返回成功，code=200（无data层，可能是旧接口）");
                }*/
                else
                {
                    _rtn = -1;
                    string errorMsg = _result?.data?.code != null 
                        ? $"ERP处理失败，data.code={_result.data.code}" 
                        : $"ERP处理失败，外层code={_result?.code}";
                    LogHelper.Debug(url, errorMsg + $", msg={_result?.msg}, responseStr={responseStr}");
                }
            }
            catch (Exception ex)
            {
                _rtn = -1;
                LogHelper.Debug(url, $"ERP返回数据解析失败：{ex.Message}, responseStr={responseStr}");
            }
        }
        sbLog.Append("," + DateTime.Now.ToString() + "结束发送");
        if (_rtn > 0)
            sbLog.Append(",发送成功");
        else
            sbLog.Append(",发送失败,mes退出操作");
        try
        {
            SqlParameter[] parameters =
    {
            new("@edtUserGuid", edtUserGuid),
            new("@abtGuid", abtGuid),
            new("@abtTable", ""),
            new("@detail", sbLog.ToString()),
            new("@hNo", hNo),
            new("@RtnLogGuid", strLogGuid),
            new("@SendJson", param),
            new("@RtnJson", responseStr),
            new("@isSuccess", (_rtn>0?1:0)),
            new("@isErp", 1),
        };
            DbHelperSQL.RunProcedure("[prc_log_create]", parameters);
        }
        catch (Exception ex)
        {
            LogHelper.Debug(url, "HttpPostErp 写入日志表" + ex.Message);
        }
        return (_rtn, (_rtn > 0 ? strLogGuid : responseStr));
    }
}
//{"msg":"操作成功","code":200,"data":{"number":"CGSL168397","code":"200","id":"268781"}}
public class Result
{
    /// <summary>
    /// 200成功，否则失败（外层code）
    /// </summary>
    public string? msg { get; set; }
    public string? code { get; set; }
    
    /// <summary>
    /// data层，包含真正的ERP处理结果
    /// </summary>
    public ErpData? data { get; set; }
}

/// <summary>
/// ERP返回的data层数据结构
/// </summary>
public class ErpData
{
    /// <summary>
    /// ERP单据编号
    /// </summary>
    public string? number { get; set; }
    
    /// <summary>
    /// ERP处理结果代码（"200"成功）
    /// </summary>
    public string? code { get; set; }
    
    /// <summary>
    /// ERP单据ID
    /// </summary>
    public string? id { get; set; }
}