using System;
using System.Runtime.InteropServices;

namespace AlgorithmDllIsolationConsoleApp
{
    class Program
    {
        // 导入 C++ DLL 中的 DetectDiamond 函数
        [DllImport("diamond_cut_inspector.dll", CharSet = CharSet.Ansi, CallingConvention = CallingConvention.Cdecl)]
        private static extern IntPtr DetectDiamond(string jsonData);

        // 导入 C++ DLL 中的 FreeMemory 函数
        [DllImport("diamond_cut_inspector.dll", CharSet = CharSet.Ansi, CallingConvention = CallingConvention.Cdecl)]
        private static extern void FreeString(IntPtr ptr);

        static void Main(string[] args)
        {
            try
            {
                // 从命令行参数获取 JSON 数据
                if (args.Length == 0 || string.IsNullOrWhiteSpace(args[0]))
                {
                    Console.WriteLine("No input data provided.");
                    return;
                }

                string jsonData = args[0];
                IntPtr resultPtr = IntPtr.Zero;

                try
                {
                    // 调用 C++ DLL 函数
                    
                    resultPtr = DetectDiamond(jsonData);
                    string resultJson = Marshal.PtrToStringAnsi(resultPtr);

                    // 输出结果
                    if (string.IsNullOrEmpty(resultJson))
                    {
                        Console.WriteLine("Algorithm failed, no result.");
                    }
                    else
                    {
                        Console.WriteLine(resultJson);
                    }
                }
                catch (DllNotFoundException ex)
                {
                    Console.WriteLine($"DLL not found: {ex.Message}");
                }
                catch (EntryPointNotFoundException ex)
                {
                    Console.WriteLine($"Entry point not found in DLL: {ex.Message}");
                }
                catch (BadImageFormatException ex)
                {
                    Console.WriteLine($"Bad image format for DLL: {ex.Message}");
                }
                catch (Exception ex)
                {
                    Console.WriteLine($"An error occurred while calling the DLL: {ex.Message}");
                    Console.WriteLine($"Stack Trace: {ex.StackTrace}");
                }
                finally
                {
                    // 确保释放内存
                    if (resultPtr != IntPtr.Zero)
                    {
                        FreeString(resultPtr);
                    }
                }
            }
            catch (Exception ex)
            {
                // 捕获其他可能的异常
                Console.WriteLine($"An unexpected error occurred: {ex.Message}");
                Console.WriteLine($"Stack Trace: {ex.StackTrace}");
            }
        }
    }
}