using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using Muchinfo.MTPClient.Infrastructure.LinkProxy;
using Muchinfo.MTPClient.Infrastructure.Utilities;
using Muchinfo.MTPClient.IService;
using System.Runtime.InteropServices;

namespace Muchinfo.MTPClient.Service
{
    /// <summary>
    /// 风管云平台专用服务
    /// </summary>
    public class ErmcpService: IErmcpService
    {

        [DllImport("WinDataCollect.dll", EntryPoint = "?CTP_GetSystemInfo@@YAHPADAAH@Z", ExactSpelling = false, CallingConvention = CallingConvention.Cdecl)]
        private static extern int CTP_GetSystemInfo(IntPtr pSystemInfo, ref int nLen);

        /// <summary>
        /// 获取登录ID
        /// </summary>
        /// <param name="username">可传入“登录账号”、“登录代码”和“手机号码”</param>
        /// <param name="successAction">成功能回调</param>
        /// <param name="errorAction">失败回调</param>
        public void GetLoginId(string username, Action<string> successAction, Action<Data.ErrorEntity> errorAction)
        {
            var url = string.Format("{0}{1}?username={2}", LinkManager.Instance.Parameters.GoCommonSearchUrl, 
                "/User/GetLoginID", 
                username);
            var jsonString = HttpUtility.HttpGet(url);
            if (jsonString != null)
            {
                Dictionary<String, Object> dicJson =
                    Newtonsoft.Json.JsonConvert.DeserializeObject<Dictionary<String, Object>>(jsonString);
                if (dicJson["code"].ToString() == "200")
                {
                    successAction(dicJson["data"].ToString());
                    return;
                }
            }

            successAction(username);
        }

        /// <summary>
        /// CTP获取系统信息
        /// </summary>
        /// <returns></returns>
        public byte[] GetSystemInfo()
        {
            var nLen = 0;
            byte[] szOutData = null;

            //创建内存
            var pSystemInfo = Marshal.AllocHGlobal(270);
            
            var iResult = CTP_GetSystemInfo(pSystemInfo, ref nLen);
            if (iResult == 0)
            {
                //拷贝到数组上面
                szOutData = new byte[nLen];
                Marshal.Copy(pSystemInfo, szOutData, 0, nLen);
            }

            //释放内存
            Marshal.FreeHGlobal(pSystemInfo);

            return szOutData;
        }
    }
}