using System.Runtime.InteropServices;
using BmsMonitor.App.Can;

internal static class Program
{
    [StructLayout(LayoutKind.Sequential)]
    private struct InitConfig
    {
        public uint AccCode;
        public uint AccMask;
        public uint Reserved;
        public byte Filter;
        public byte Timing0;
        public byte Timing1;
        public byte Mode;
    }

    [DllImport("ControlCAN.dll", CallingConvention = CallingConvention.StdCall)]
    private static extern uint VCI_OpenDevice(uint deviceType, uint deviceIndex, uint reserved);

    [DllImport("ControlCAN.dll", CallingConvention = CallingConvention.StdCall)]
    private static extern uint VCI_CloseDevice(uint deviceType, uint deviceIndex);

    [DllImport("ControlCAN.dll", CallingConvention = CallingConvention.StdCall)]
    private static extern uint VCI_InitCAN(uint deviceType, uint deviceIndex, uint channel, ref InitConfig config);

    [DllImport("ControlCAN.dll", CallingConvention = CallingConvention.StdCall)]
    private static extern uint VCI_StartCAN(uint deviceType, uint deviceIndex, uint channel);

    [DllImport("ControlCAN.dll", CallingConvention = CallingConvention.StdCall)]
    private static extern uint VCI_ResetCAN(uint deviceType, uint deviceIndex, uint channel);

    private static int Main()
    {
        Console.WriteLine("Testing the production receiver...");
        using (var receiver = new ControlCanReceiver())
        {
            var frames = 0;
            var ids = new Dictionary<uint, int>();
            receiver.FrameReceived += (_, frame) =>
            {
                Interlocked.Increment(ref frames);
                lock (ids) ids[frame.Id] = ids.GetValueOrDefault(frame.Id) + 1;
            };
            receiver.Open(0, 0);
            Console.WriteLine("ControlCanReceiver CAN1: Open/Init/Start=OK");
            Thread.Sleep(10_000);
            Console.WriteLine($"Capture10s: Frames={frames}, IDs={string.Join(", ", ids.OrderBy(x => x.Key).Select(x => $"0x{x.Key:X}({x.Value})"))}");
            receiver.Close();
        }

        var found = false;
        foreach (var type in new uint[] { 4, 3, 20, 21 })
        foreach (var index in new uint[] { 0, 1, 2, 3 })
        {
            var result = VCI_OpenDevice(type, index, 0);
            Console.WriteLine($"DeviceType={type}, DeviceIndex={index}: Open={result}");
            if (result != 1) continue;
            found = true;
            if (type == 4 && index == 0)
            {
                var config = new InitConfig { AccMask = 0xFFFFFFFF, Filter = 1, Timing0 = 0x01, Timing1 = 0x1C, Mode = 1 };
                foreach (var channel in new uint[] { 0, 1 })
                {
                    var init = VCI_InitCAN(type, index, channel, ref config);
                    var start = init == 1 ? VCI_StartCAN(type, index, channel) : 0;
                    Console.WriteLine($"  CAN{channel + 1}: Init250KListen={init}, Start={start}");
                    if (start == 1) VCI_ResetCAN(type, index, channel);
                }
            }
            Console.WriteLine($"  Close={VCI_CloseDevice(type, index)}");
        }
        return found ? 0 : 2;
    }
}