// Licensed to the .NET Foundation under one or more agreements.
// The .NET Foundation licenses this file to you under the MIT license.

using System.Collections.Generic;
using System.ComponentModel;
using System.Diagnostics.CodeAnalysis;
using System.Runtime.Serialization;

namespace System.Net.Mail
{
    [Serializable]
    [System.Runtime.CompilerServices.TypeForwardedFrom("System, Version=4.0.0.0, Culture=neutral, PublicKeyToken=b77a5c561934e089")]
    public class SmtpFailedRecipientsException : SmtpFailedRecipientException
    {
        private readonly SmtpFailedRecipientException[] _innerExceptions;

        public SmtpFailedRecipientsException()
        {
            _innerExceptions = Array.Empty<SmtpFailedRecipientException>();
        }

        public SmtpFailedRecipientsException(string? message) : base(message)
        {
            _innerExceptions = Array.Empty<SmtpFailedRecipientException>();
        }

        public SmtpFailedRecipientsException(string? message, Exception? innerException) : base(message, innerException)
        {
            SmtpFailedRecipientException? smtpException = innerException as SmtpFailedRecipientException;
            _innerExceptions = smtpException == null ? Array.Empty<SmtpFailedRecipientException>() : new SmtpFailedRecipientException[] { smtpException };
        }

        [Obsolete(Obsoletions.LegacyFormatterImplMessage, DiagnosticId = Obsoletions.LegacyFormatterImplDiagId, UrlFormat = Obsoletions.SharedUrlFormat)]
        [EditorBrowsable(EditorBrowsableState.Never)]
        protected SmtpFailedRecipientsException(SerializationInfo info, StreamingContext context) : base(info, context)
        {
            _innerExceptions = (SmtpFailedRecipientException[])info.GetValue("innerExceptions", typeof(SmtpFailedRecipientException[]))!;
        }

        public SmtpFailedRecipientsException(string? message, SmtpFailedRecipientException[] innerExceptions) :
            base(message, innerExceptions.Length > 0 ? innerExceptions[0].FailedRecipient : null, innerExceptions.Length > 0 ? innerExceptions[0] : null)
        {
            ArgumentNullException.ThrowIfNull(innerExceptions);

            _innerExceptions = innerExceptions ?? Array.Empty<SmtpFailedRecipientException>();
        }

        internal SmtpFailedRecipientsException(List<SmtpFailedRecipientException> innerExceptions, bool allFailed) :
            base(allFailed ? SR.SmtpAllRecipientsFailed : SR.SmtpRecipientFailed,
            innerExceptions.Count > 0 ? innerExceptions[0].FailedRecipient : null,
            innerExceptions.Count > 0 ? innerExceptions[0] : null)
        {
            ArgumentNullException.ThrowIfNull(innerExceptions);

            _innerExceptions = innerExceptions.ToArray();
        }

        public SmtpFailedRecipientException[] InnerExceptions
        {
            get
            {
                return _innerExceptions;
            }
        }

        [Obsolete(Obsoletions.LegacyFormatterImplMessage, DiagnosticId = Obsoletions.LegacyFormatterImplDiagId, UrlFormat = Obsoletions.SharedUrlFormat)]
        [EditorBrowsable(EditorBrowsableState.Never)]
        public override void GetObjectData(SerializationInfo serializationInfo, StreamingContext streamingContext)
        {
            base.GetObjectData(serializationInfo, streamingContext);
            serializationInfo.AddValue("innerExceptions", _innerExceptions, typeof(SmtpFailedRecipientException[]));
        }
    }
}