using Microsoft.AspNetCore.Authorization;
using Microsoft.AspNetCore.Mvc;
using Microsoft.AspNetCore.Mvc.Rendering;
using Yavsc.Models;
using Yavsc.Server.Models.IT.SourceCode;
using Yavsc.Helpers;
using Microsoft.EntityFrameworkCore;
using Yavsc.Server.Helpers;

namespace Yavsc.Controllers
{
    [Authorize("AdministratorOnly")]
    public class GitController : Controller
    {
        private readonly ApplicationDbContext _context;

        public GitController(ApplicationDbContext context)
        {
            _context = context;    
        }

        [Route("~/Git/sources/{*path}")]
        [HttpGet]
        public IActionResult Sources(string path)
        {
            if (path == null)
            {
                return NotFound();
            }

            /*
             GitRepositoryReference gitRepositoryReference = await _context.GitRepositoryReference.SingleAsync(m => m.Path == path);
             if (gitRepositoryReference == null)
             {
                 return NotFound();
             } 
             */
            var info = Config.GitOptions.FileProvider.GetFileInfo(path);
            if (!info.Exists)
                return NotFound();
            var stream = info.CreateReadStream();
            if (path.EndsWith(".ansi.log"))
            {
                var accept = Request.Headers["Accept"];
                if (accept.Any(v => v.Split(',').Contains("text/html")))
                {
                    return File(AnsiToHtmlEncoder.GetStream(stream), "text/html");
                }
                return File(stream, "text/text");
            }
            if (path.EndsWith(".html")) return File(stream, "text/html");
            if (path.EndsWith(".cshtml")) return File(stream, "text/razor-html-csharp");
            if (path.EndsWith(".cs")) return File(stream, "text/csharp");
            return File(stream, "application/octet-stream");
        }

        // GET: Git
        [HttpGet]
        public async Task<IActionResult> Index()
        {
            var applicationDbContext = _context.GitRepositoryReference.Include(g => g.Owner);
            return View(await applicationDbContext.ToListAsync());
        }

        // GET: Git/Details/5
        [HttpGet]
        public async Task<IActionResult> Details(long id)
        {

            GitRepositoryReference gitRepositoryReference = await _context.GitRepositoryReference.SingleAsync(m => m.Id == id);
            if (gitRepositoryReference == null)
            {
                return NotFound();
            }

            return View(gitRepositoryReference);
        }

        // GET: Git/Create
        [HttpGet]
        public IActionResult Create()
        {
            return View();
        }


        // POST: Git/Create
        [HttpPost]
        [ValidateAntiForgeryToken]
        public async Task<IActionResult> Create(GitRepositoryReference gitRepositoryReference)
        {
            gitRepositoryReference.OwnerId = User.GetUserId();
            if (ModelState.IsValid)
            {
                _context.GitRepositoryReference.Add(gitRepositoryReference);
                await _context.SaveChangesAsync();
                return RedirectToAction("Index");
            }
            ViewBag.OwnerId = new SelectList(_context.ApplicationUser, "Id", "Owner", gitRepositoryReference.OwnerId);
            return View(gitRepositoryReference);
        }

        // GET: Git/Edit/5
        [HttpGet]
        public async Task<IActionResult> Edit(long id)
        {
            GitRepositoryReference gitRepositoryReference = await _context.GitRepositoryReference.SingleAsync(m => m.Id == id);
            if (gitRepositoryReference == null)
            {
                return NotFound();
            }
            ViewBag.OwnerId = new SelectList(_context.ApplicationUser, "Id", "Owner", gitRepositoryReference.OwnerId);
            return View(gitRepositoryReference);
        }

        // POST: Git/Edit/5
        [HttpPost]
        [ValidateAntiForgeryToken]
        public async Task<IActionResult> Edit(GitRepositoryReference gitRepositoryReference)
        {
            if (ModelState.IsValid)
            {
                _context.Update(gitRepositoryReference);
                await _context.SaveChangesAsync();
                return RedirectToAction("Index");
            }
            ViewBag.OwnerId = new SelectList(_context.ApplicationUser, "Id", "Owner", gitRepositoryReference.OwnerId);
            return View(gitRepositoryReference);
        }

        // GET: Git/Delete/5
        [ActionName("Delete")]
        [HttpGet]
        public async Task<IActionResult> Delete(string id)
        {
            if (id == null)
            {
                return NotFound();
            }

            GitRepositoryReference gitRepositoryReference = await _context.GitRepositoryReference.SingleAsync(m => m.Path == id);
            if (gitRepositoryReference == null)
            {
                return NotFound();
            }

            return View(gitRepositoryReference);
        }

        // POST: Git/Delete/5
        [HttpPost, ActionName("Delete")]
        [ValidateAntiForgeryToken]
        public async Task<IActionResult> DeleteConfirmed(string id)
        {
            GitRepositoryReference gitRepositoryReference = await _context.GitRepositoryReference.SingleAsync(m => m.Path == id);
            _context.GitRepositoryReference.Remove(gitRepositoryReference);
            await _context.SaveChangesAsync();
            return RedirectToAction("Index");
        }
    }
}