using Microsoft.AspNetCore.Identity;
using Microsoft.EntityFrameworkCore;
using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
using static StackExchange.Redis.Role;

namespace MagMan.Data.Admin
{
    public static class ModelBuilderExtensions
    {
        #region Public Methods

        /// <summary>
        /// Estensione per seed iniziale dei dati nel DB (auth)
        /// </summary>
        /// <param name="modelBuilder"></param>
        public static void Seed(this ModelBuilder modelBuilder)
        {
            // seed ruoli
            List<IdentityRole> roles = new List<IdentityRole>()
            {
                new IdentityRole { Name = "Undef", NormalizedName = "UNDEF" },
                new IdentityRole { Name = "User", NormalizedName = "USER" },
                new IdentityRole { Name = "SuperUser", NormalizedName = "SUPERUSER" },
                new IdentityRole { Name = "Admin", NormalizedName = "ADMIN" },
                new IdentityRole { Name = "SuperAdmin", NormalizedName = "SUPERADMIN" }
            };
            modelBuilder.Entity<IdentityRole>().HasData(roles);

            // seed utenti
            List<IdentityUser> users = new List<IdentityUser>()
            { 
                // SuperAdmins
                getNewUser("samuele.locatelli@egalware.com", "th1sIsTh3R1vrOfThNgt202401"),
                getNewUser("emmanuele.sassi@egalware.com", "th1sIsTh3R1vrOfThNgt202402"),
                getNewUser("luca.mazzoleni@egalware.com", "th1sIsTh3R1vrOfThNgt202403"),
                // Admin egalware base
                getNewUser("info@egalware.com", "th1sIsTh3R1vrOfThNgt202404")
            };
            modelBuilder.Entity<IdentityUser>().HasData(users);

            List<IdentityUserRole<string>> userRoles = new List<IdentityUserRole<string>>();

            for (int i = 0; i < users.Count; i++)
            {

                // nei primi 3 rendo SuperAdmin
                if (i < 2)
                {
                    userRoles.Add(new IdentityUserRole<string>
                    {
                        UserId = users[i].Id,
                        RoleId = roles.First(q => q.Name == "SuperAdmin").Id
                    });
                }
                else
                {
                    // aggiungo ruoli User x altri
                    userRoles.Add(new IdentityUserRole<string>
                    {
                        UserId = users[i].Id,
                        RoleId = roles.First(q => q.Name == "User").Id
                    });
                }
            }

            modelBuilder.Entity<IdentityUserRole<string>>().HasData(userRoles);
        }

        private static IdentityUser getNewUser(string email, string passwd)
        {
            var newRec = new IdentityUser
            {
                UserName = email,
                NormalizedUserName = email.ToUpper(),
                Email = email,
                NormalizedEmail = email.ToUpper(),
                EmailConfirmed = true,
                PasswordHash = hasher.HashPassword(null!, passwd),
            };
            return newRec;
        }

        private static PasswordHasher<IdentityUser> hasher = new PasswordHasher<IdentityUser>();

        #endregion Public Methods
    }
}