using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Linq;
using System.Runtime.CompilerServices;
using System.Text;
using System.Threading.Tasks;
using Configuration.Annotations;

namespace Configuration
{
    public class Proxy : INotifyPropertyChanged
    {
        private string _url = string.Empty;
        private string _username = string.Empty;
        private string _password = string.Empty;
        private bool _enabled = false;

        public bool Enabled
        {
            get => _enabled;
            set
            {
                if (value == _enabled) return;
                _enabled = value;
                OnPropertyChanged();
            }
        }

        public string Url
        {
            get => _url;
            set
            {
                if (value == _url) return;
                _url = value;
                OnPropertyChanged();
            }
        }

        public string Username
        {
            get => _username;
            set
            {
                if (value == _username) return;
                _username = value;
                OnPropertyChanged();
            }
        }

        public string Password
        {
            get => _password;
            set
            {
                if (value == _password) return;
                _password = value;
                OnPropertyChanged();
            }
        }

        [UsedImplicitly]
        public Proxy()
        {

        }

        public event PropertyChangedEventHandler PropertyChanged;

        protected virtual void OnPropertyChanged([CallerMemberName] string propertyName = null)
        {
            PropertyChanged?.Invoke(this, new PropertyChangedEventArgs(propertyName));
        }

        protected bool SetField<T>(ref T field, T value, [CallerMemberName] string propertyName = null)
        {
            if (EqualityComparer<T>.Default.Equals(field, value)) return false;
            field = value;
            OnPropertyChanged(propertyName);
            return true;
        }
    }
}