using Microsoft.AspNetCore.Hosting;
using Microsoft.AspNetCore.Mvc;
using System;
using System.Diagnostics;
using System.IO;
using System.IO.Compression;
using System.Linq;
using System.Reflection;
using System.Runtime.InteropServices;
using System.Threading;

namespace IoTDameon.Controllers
{
    public class HomeController : Controller
    {
        private readonly IWebHostEnvironment _env;

        public HomeController(IWebHostEnvironment env)
        {
            this._env = env;
        }

        public IActionResult Index()
        {
            var path = Path.Combine(this._env.WebRootPath, "upload");
            return View(model: path);
        }

        public IActionResult GetVersion()
        {
            return Content(Assembly.GetEntryAssembly().GetCustomAttribute<AssemblyInformationalVersionAttribute>().InformationalVersion);
        }

        private void Process_OutputDataReceived(object sender, DataReceivedEventArgs e)
        {
            throw new System.NotImplementedException();
        }

        public IActionResult Upload()
        {
            if (Request.Form.Files != null && Request.Form.Files.Count > 0)
            {
                var file = Request.Form.Files[0];
                using Stream stream = file.OpenReadStream();
                var phicyPath = Path.Combine(this._env.WebRootPath, "upload");
                Directory.CreateDirectory(phicyPath);
                var name = file.FileName;
                var fullName = Path.Combine(phicyPath, name);
                if (System.IO.File.Exists(fullName))
                {
                    System.IO.File.Delete(fullName);
                }
                using (FileStream fs = System.IO.File.Create(fullName))
                {
                    file.CopyTo(fs);
                }
                var ext = Path.GetExtension(fullName);
                if (ext == "zip")
                {
                    var zipDirectory = Path.Combine(phicyPath, Path.GetFileName(fullName));
                    if (!Directory.Exists(zipDirectory))
                    {
                        Directory.CreateDirectory(zipDirectory);
                    }
                    ZipFile.ExtractToDirectory(fullName, zipDirectory);
                }
            }
            return RedirectToAction("Index");
        }
    }
}