using System;
using System.Collections.Generic;
using System.Linq;
using System.Runtime.InteropServices;
using System.Text;
using System.Threading;
using System.Threading.Tasks;

namespace MqttClient
{
    class Program
    {
        
        [DllImport("DataTransferDll.dll", EntryPoint = "SetLogFileDir", CharSet = CharSet.Ansi, CallingConvention = CallingConvention.Cdecl)]
        public static extern int SetLogFileDir(string logFileDir);

        [DllImport("DataTransferDll.dll", EntryPoint = "Open", CharSet = CharSet.Ansi, CallingConvention = CallingConvention.Cdecl)]
        public static extern int Open(string a, int b);

        [DllImport("DataTransferDll.dll", EntryPoint = "Write", CharSet = CharSet.Ansi, CallingConvention = CallingConvention.Cdecl)]
        public static extern int Write(string id, string value);
        // 配合使用ToUTF8，发送带中文的value
        [DllImport("DataTransferDll.dll", EntryPoint = "Write", CharSet = CharSet.Ansi, CallingConvention = CallingConvention.Cdecl)]
        public static extern int Write(string id, byte[] value);

        [DllImport("DataTransferDll.dll", EntryPoint = "WriteWithDataId", CharSet = CharSet.Ansi, CallingConvention = CallingConvention.Cdecl)]
        public static extern int WriteWithDataId(string id, string value, string dataId);
        // 配合使用ToUTF8，发送带中文的value
        [DllImport("DataTransferDll.dll", EntryPoint = "WriteWithDataId", CharSet = CharSet.Ansi, CallingConvention = CallingConvention.Cdecl)]
        public static extern int WriteWithDataId(string id, byte[] value, string dataId);

        [DllImport("DataTransferDll.dll", EntryPoint = "SetCallbackWithDataId", CharSet = CharSet.Ansi, CallingConvention = CallingConvention.Cdecl)]
        private static extern void SetCallbackWithDataId(CallbackWithDataIdDelegate callback);

        [DllImport("DataTransferDll.dll", EntryPoint = "Close", CharSet = CharSet.Ansi, CallingConvention = CallingConvention.Cdecl)]
        public static extern int Close();

        [UnmanagedFunctionPointer(CallingConvention.Cdecl)]
        public delegate void CallbackWithDataIdDelegate(string id, string value, string dataId);

        [DllImport("DataTransferDll.dll", EntryPoint = "ParameterConfig", CharSet = CharSet.Ansi, CallingConvention = CallingConvention.Cdecl)]
        public static extern int ParameterConfig(string parameterJson);

        static public void CallbackWithDataId(string id, string v, string dataId)
        {
            Console.WriteLine("-------CallbackWithDataId-------");
            byte[] buffer1 = Encoding.Default.GetBytes(v);
            byte[] buffer2 = Encoding.Convert(Encoding.UTF8, Encoding.Default, buffer1, 0, buffer1.Length);
            string strBuffer = Encoding.Default.GetString(buffer2, 0, buffer2.Length);
            Console.WriteLine("{0} -> {1} {2}", id, strBuffer, dataId);
        }

        public static byte[] ToUTF8(string text)
        {
            byte[] buffer1 = Encoding.Unicode.GetBytes(text);
            byte[] buffer2 = Encoding.Convert(Encoding.Unicode, Encoding.UTF8, buffer1, 0, buffer1.Length);
            return buffer2;
        }

        static void Main(string[] args)
        {
            string ip_addr = "127.0.0.1";
            int ip_port = 6666;
            // 连接MQTT工具
            Open(ip_addr, ip_port);
            // 设置回调函数
            SetCallbackWithDataId(CallbackWithDataId);
            // 参数配置
            string parameterJson = "{\r\n    \"function\":\"parameterConfig\",\r\n    \"redId\":\"123456\",\r\n    \"parameter\":{\r\n        \"mqtt\":{\r\n            \"address\":\"staging-cnbj2-rmq-mqtt.api.xiaomi.com\",\r\n            \"port\":\"80\",\r\n            \"username\":\"AKMO5BGFQUZL2SBW4X\",\r\n            \"password\":\"5AChJjCOYB+No68BpyDocd7uR7cv/foE20RKIpOE\"\r\n        },\r\n        \"equiment\":{\r\n            \"factoryCode\":\"\",\r\n            \"deviceCode\":\"DIGITION-TEST\",\r\n            \"stationCode\":\"\",\r\n            \"project\":\"\",\r\n            \"productMode\":\"debug\"\r\n        },\r\n        \"other\":{\r\n            \"logLevel\":\"0\",\r\n            \"runMode\":\"online\",\r\n            \"uploadDigitalTwinData\":\"true\"\r\n        }}}";
            ParameterConfig(parameterJson);
            Thread.Sleep(3000);
            for (int i = 0; i < 10; i++)
            {
                string msg = "{\"beat_tm\":\"2023-03-31 13:54:27.937\",\"signal_name\":\"中文\",\"signal_type\":\"DI\",\"target_status\":true}";
                // 写入ID、值
                int ret = Write("beat_log/control/device_control_signal/DT_motionbeat", ToUTF8(msg));
                Console.WriteLine("第{0}次,ret = {1}", i, ret);
                Thread.Sleep(50);
            }
            Console.WriteLine("请按任意键继续...");
            Console.ReadKey();
            // 关闭连接
            Close();
        }
    }
}