using System.Text.RegularExpressions;
using Blazorise;
using Microsoft.AspNetCore.Components.Web;

namespace FoodsharingSiegen.Server.Pages
{
    /// <summary>
    /// The login class (a. beging, 11.04.2022)
    /// </summary>
    public partial class Login
    {
        #region Public Properties

        /// <summary>
        /// Gets or sets the value of the is valid mail (ab)
        /// </summary>
        public ValidationStatus IsValidMail { get; set; }

        /// <summary>
        /// Gets or sets the value of the is valid password (ab)
        /// </summary>
        public ValidationStatus IsValidPassword { get; set; }

        #endregion

        #region Private Properties

        /// <summary>
        /// Gets or sets the value of the mailaddress (ab)
        /// </summary>
        private string? Mailaddress { get; set; }

        /// <summary>
        /// Gets or sets the value of the password (ab)
        /// </summary>
        private string? Password { get; set; }

        #endregion

        #region Private Method PerformLogin

        /// <summary>
        /// Performs the login (a. beging, 11.04.2022)
        /// </summary>
        private async Task PerformLogin()
        {
            //Todo Eingaben Validieren [04.04.22 - Andre Beging]

            if (string.IsNullOrWhiteSpace(Mailaddress) || string.IsNullOrWhiteSpace(Password))
            {
                Mailaddress = string.Empty;
                Password = string.Empty;
                return;
            }
        
            var loginR = await AuthService.Login(Mailaddress, Password);
            if (loginR.Success)
            {
                NavigationManager.NavigateTo("/", true);
            }
        }

        #endregion

        #region Private Method TextEdit_KeyUp

        /// <summary>
        /// Texts the edit key up using the specified arg (a. beging, 11.04.2022)
        /// </summary>
        /// <param name="arg">The arg</param>
        private async Task TextEdit_KeyUp(KeyboardEventArgs arg)
        {
            if (arg.Key == "Enter") await PerformLogin();
        }

        #endregion

        #region Private Method ValidateMail

        /// <summary>
        /// Validates the mail using the specified args (a. beging, 11.04.2022)
        /// </summary>
        /// <param name="args">The args</param>
        private void ValidateMail(ValidatorEventArgs args)
        {
            var email = Convert.ToString(args.Value);

            if (string.IsNullOrWhiteSpace(email))
            {
                args.Status = ValidationStatus.None;
                return;
            }

            var isMatch = Regex.IsMatch(email, "^[A-Z0-9._%+-]+@[A-Z0-9.-]+\\.[A-Z]{2,6}$", RegexOptions.IgnoreCase);

            args.Status = isMatch ? ValidationStatus.Success : ValidationStatus.Error;
        }

        #endregion

        #region Private Method ValidatePassword

        /// <summary>
        /// Validates the password using the specified args (a. beging, 11.04.2022)
        /// </summary>
        /// <param name="args">The args</param>
        private void ValidatePassword(ValidatorEventArgs args)
        {
            var password = Convert.ToString(args.Value);
            if (string.IsNullOrWhiteSpace(password))
            {
                args.Status = ValidationStatus.None;
                return;
            }

            var isValid = password.Length > 3;
            
            args.Status = isValid ? ValidationStatus.Success : ValidationStatus.Error;
        }

        #endregion
    }
}