using Microsoft.AspNetCore.Mvc;
using ContactManager.Models;
using ContactManager.Helpers;

namespace ContactManager.Controllers
{
    public class ContactsController : Controller
    {
        private readonly DbHelper _dbHelper;

        public ContactsController(DbHelper dbHelper)
        {
            _dbHelper = dbHelper;
        }

        public async Task<IActionResult> Index()
        {
            var contacts = await _dbHelper.GetAllContacts();
            return View(contacts);
        }

        // GET: Contacts/Create
        public IActionResult Create()
        {
            return View();
        }

        // POST: Contacts/Create
        [HttpPost]
        [ValidateAntiForgeryToken]
        public async Task<IActionResult> Create([Bind("FirstName,LastName")] Contact contact)
        {
            if (ModelState.IsValid)
            {
                await _dbHelper.AddContact(contact);
                return RedirectToAction(nameof(Index));
            }
            return View(contact);
        }

        // GET: Contacts/Edit/5
        public async Task<IActionResult> Edit(int id)
        {
            var contact = await _dbHelper.GetContact(id);
            if (contact == null)
            {
                return NotFound();
            }
            return View(contact);
        }

        // POST: Contacts/Edit/5
        [HttpPost]
        [ValidateAntiForgeryToken]
        public async Task<IActionResult> Edit(int id, [Bind("Id,FirstName,LastName")] Contact contact)
        {
            if (id != contact.Id)
            {
                return NotFound();
            }

            if (ModelState.IsValid)
            {
                await _dbHelper.UpdateContact(contact);
                return RedirectToAction(nameof(Index));
            }
            return View(contact);
        }

        // GET: Contacts/Delete/5
        public async Task<IActionResult> Delete(int id)
        {
            var contact = await _dbHelper.GetContact(id);
            if (contact == null)
            {
                return NotFound();
            }
            return View(contact);
        }

        // POST: Contacts/Delete/5
        [HttpPost, ActionName("Delete")]
        [ValidateAntiForgeryToken]
        public async Task<IActionResult> DeleteConfirmed(int id)
        {
            await _dbHelper.DeleteContact(id);
            return RedirectToAction(nameof(Index));
        }
    }
}