using System;
using System.Drawing;
using System.IO;
using System.Threading;
using System.Windows.Media.Imaging;
using System.Collections.Generic;
using xiApi.NET;

namespace xiAPI.NET_Capture_images_to_file
{
    class Program
    {
        static void Main(string[] args)
        {
            xiCam myCam = new xiCam();
            try
            {
                // Get number of connected devices
                int numDevices = 0;
                myCam.GetNumberDevices(out numDevices);

                if (0 == numDevices)
                {
                    Console.WriteLine("No devices found");
                    Thread.Sleep(3000);
                    return;
                }
                else
                {
                    Console.WriteLine("Found {0} connected devices.", numDevices);
                }

                // Initialize the device and return the device handle.
                myCam.OpenDevice(0);

                // Get device model name
                string strVal;
                myCam.GetParam(PRM.DEVICE_NAME, out strVal);
                Console.WriteLine("Found device: {0}", strVal);

                // Get device type
                myCam.GetParam(PRM.DEVICE_TYPE, out strVal);
                Console.WriteLine("Device type: {0}", strVal);

                // Get device SN
                myCam.GetParam(PRM.DEVICE_SN, out strVal);
                Console.WriteLine("Device SN: {0}", strVal);
                Console.WriteLine("");

                // get ffs statistics
                int num_free = 0;
                int num_used = 0;
                num_free = myCam.GetParamInt(PRM.FREE_FFS_SIZE);
                num_used = myCam.GetParamInt(PRM.USED_FFS_SIZE);

                Console.WriteLine("FFS stats:");
                Console.WriteLine("Free bytes : {0}", num_free);
                Console.WriteLine("Used bytes : {0}", num_used);
                Console.WriteLine("");

                List<string> ffs_files = new List<string>();
                // read available file names stored in camera FFS
                for (int file_id = 0; ; file_id++)
                {
                    try
                    {
                        myCam.SetParam(PRM.FFS_FILE_ID, file_id);
                        string file_name = myCam.GetParamString(PRM.FFS_FILE_NAME);
                        ffs_files.Add(file_name);
                        Console.WriteLine("Found file {0} in camera FFS", file_name);
                    }
                    catch
                    {
                        Console.WriteLine("");
                        break;
                    }
                }
                // read all files from camera FFS
                string ffs_files_dir = "FFS_FILES";
                Directory.CreateDirectory(ffs_files_dir);
                Directory.SetCurrentDirectory(Directory.GetCurrentDirectory() + "\\" + ffs_files_dir);
                foreach (string file_name in ffs_files)
                {
                    int file_size = 0;
                    myCam.SetParam(PRM.FFS_FILE_NAME, file_name);
                    file_size = myCam.GetParamInt(PRM.FFS_FILE_SIZE);
                    byte[] file_data = new byte[file_size];
                    Console.WriteLine("Reading file {0} of size {1}", file_name, file_size);
                    myCam.GetParam(PRM.READ_FILE_FFS, out file_data, out file_size);
                    Console.WriteLine("Saving file {0} to {1}.", file_name, Directory.GetCurrentDirectory());
                    File.WriteAllBytes(file_name, file_data);
                }

                myCam.CloseDevice();
            }

            //------------------------------------------------------------------------------------
            catch (xiExc exc)
            {
                Console.WriteLine(exc.Message);
                Thread.Sleep(3000);
                myCam.CloseDevice();
            }
            catch (Exception exc)
            {
                Console.WriteLine(exc.Message);
                Thread.Sleep(3000);
                myCam.CloseDevice();
            }
            //------------------------------------------------------------------------------------
        }
    }
}