using System;
using System.Collections.Generic;
using System.Linq;
using System.Threading.Tasks;
using System.Web;
using System.Web.Mvc;
using Microsoft.AspNet.Identity.EntityFramework;
using Microsoft.AspNet.Identity;
using HealthchoiceMVC.Services;
using HealthchoiceMVC.Models;
using HealthchoiceMVC.NonDbModels;

namespace HealthchoiceMVC.Controllers
{   
    [Authorize]
    public class CommonController : Controller
    {
        private HCLocalService service = new HCLocalService(); 
        [HttpPost]
        public async Task<ActionResult> AddUserRole(string Id, string Role)
        {
            int roleKey = Convert.ToInt32(Role);
            string userRoleDesc = "";
            List<SelectListItem> rolesToRemove = new List<SelectListItem>();
            string role = service.GetUserRoleValueByKey(roleKey);
            using (var context = new ApplicationDbContext())
            {
                var userStore = new UserStore<ApplicationUser>(context);
                var userManager = new UserManager<ApplicationUser>(userStore);
                ApplicationUser applicationUser = context.Users.Find(Id);
                await userManager.AddToRoleAsync(Id, role);
                var userRoles = userManager.GetRoles(Id);

                List<SelectListItem> roleList = service.GetUserRolesByType(applicationUser.AccountType);

                foreach (var item in roleList)
                {
                    foreach (var userRole in userRoles)
                    {
                        userRoleDesc = service.GetUserRoleDescByValue(userRole);
                        if (item.Text == userRoleDesc)
                        {
                            rolesToRemove.Add(item);
                        }
                    }
                }

                if (roleList.Count() == 1) //to get rid of the please select
                {
                    foreach (var item in roleList)
                    {
                        rolesToRemove.Add(item);
                    }
                }

                foreach (var item in rolesToRemove)
                {
                    roleList.Remove(item);
                }

                var result = new { RoleList = roleList, UserRoles = userRoles };

                return Json(result, JsonRequestBehavior.AllowGet);
            }
        }

        public async Task<ActionResult> DeleteUserRole(string Id, string Role)
        {
            int roleKey = service.GetUserRoleKeyByValue(Role);
            string userRoleDesc = "";
            List<SelectListItem> rolesToRemove = new List<SelectListItem>();
            string role = service.GetUserRoleValueByKey(roleKey);
            using (var context = new ApplicationDbContext())
            {
                var userStore = new UserStore<ApplicationUser>(context);
                var userManager = new UserManager<ApplicationUser>(userStore);
                ApplicationUser applicationUser = context.Users.Find(Id);
                await userManager.RemoveFromRoleAsync(Id, role);
                var userRoles = userManager.GetRoles(Id);

                List<SelectListItem> roleList = service.GetUserRolesByType(applicationUser.AccountType);

                foreach (var item in roleList)
                {
                    foreach (var userRole in userRoles)
                    {
                        userRoleDesc = service.GetUserRoleDescByValue(userRole);
                        if (item.Text == userRoleDesc)
                        {
                            rolesToRemove.Add(item);
                        }
                    }
                }

                if (roleList.Count() == 1) //to get rid of the please select
                {
                    foreach (var item in roleList)
                    {
                        rolesToRemove.Add(item);
                    }
                }

                foreach (var item in rolesToRemove)
                {
                    roleList.Remove(item);
                }

                var result = new { RoleList = roleList, UserRoles = userRoles };

                return Json(result, JsonRequestBehavior.AllowGet);
            }
        }

        public ActionResult GetUserRolesByType(string user_type)
        {
            int userType = Convert.ToInt32(user_type);
            List<SelectListItem> UserRoles = new List<SelectListItem>(service.GetUserRolesByType(userType));
            return Json(UserRoles, JsonRequestBehavior.AllowGet);
        }

        public ActionResult GetUserRoles()
        {
            IList<string> userRoles = null;

            using (var context = new ApplicationDbContext())
            {
                var userStore = new UserStore<ApplicationUser>(context);
                var userManager = new UserManager<ApplicationUser>(userStore);
                userRoles = userManager.GetRoles(User.Identity.GetUserId());
            }

            List<SelectListItem> UserRoles = new List<SelectListItem>(service.GetUserRolesByRoleArray(userRoles));
            return Json(UserRoles, JsonRequestBehavior.AllowGet);
        }
        [AllowAnonymous]
        public ActionResult GetSubDisciplinesByDisciplineCode(string disciplineCode)
        {
            int disciplineCodeInt = Convert.ToInt32(disciplineCode);
            
            List<SelectListItem> SubDisciplineList = new List<SelectListItem>(service.GetSubDisciplinesByDisciplineCode(disciplineCodeInt));

            return Json(SubDisciplineList, JsonRequestBehavior.AllowGet); 

        }
        [AllowAnonymous]
        public ActionResult GetPracticeIdFromCode(string practiceNumber)
        {
            var practiceId =  service.GetPracticeIdFromCode(practiceNumber);
            return Json(practiceId);
        }

    }
}