/*
 * QUANTCONNECT.COM - Democratizing Finance, Empowering Individuals.
 * Lean Algorithmic Trading Engine v2.0. Copyright 2014 QuantConnect Corporation.
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
*/

using System;
using NUnit.Framework;
using QuantConnect.Notifications;

namespace QuantConnect.Tests.Common.Notifications
{
    [TestFixture, Parallelizable(ParallelScope.All)]
    public class NotificationEmailTests
    {
        [Test]
        public void Constructor_SetsNullData_ToEmptyString()
        {
            // empty string used as default following NotificationManager.Email's default value for data
            var email = new NotificationEmail("e@d.com", "subject", "message", null);
            Assert.AreEqual(string.Empty, email.Data);
        }

        [Test]
        public void Constructor_SetsNullSubject_ToEmptyString()
        {
            // empty string used if subject is null
            var email = new NotificationEmail("e@d.com", null, "message", "data");
            Assert.AreEqual(string.Empty, email.Subject);
        }

        [Test]
        public void Constructor_SetsNullMessage_ToEmptyString()
        {
            // empty string used if message is null
            var email = new NotificationEmail("e@d.com", "subject", null, "data");
            Assert.AreEqual(string.Empty, email.Message);
        }

        [Test]
        [TestCase("js@contoso.中国", true)]
        [TestCase("j@proseware.com9", true)]
        [TestCase("js@proseware.com9", true)]
        [TestCase("j_9@[129.126.118.1]", true)]
        [TestCase("jones@ms1.proseware.com", true)]
        [TestCase("david.jones@proseware.com", true)]
        [TestCase("d.j@server1.proseware.com", true)]
        [TestCase("js#internal@proseware.com", true)]
        [TestCase("j.s@server1.proseware.com", true)]
        [TestCase("\"j\\\"s\\\"\"@proseware.com", true)]

        [TestCase("js*@proseware.com", false)]
        [TestCase("js@proseware..com", false)]
        [TestCase("j..s@proseware.com", false)]
        [TestCase("j.@server1.proseware.com", false)]
        public void Constructor_ThrowsArgumentException_WhenEmailAddressIsInvalid(string address, bool isValid)
        {
            // Test cases sourced via msdn:
            // https://docs.microsoft.com/en-us/dotnet/standard/base-types/how-to-verify-that-strings-are-in-valid-email-format

            TestDelegate ctor = () => new NotificationEmail(
                address,
                string.Empty,
                string.Empty,
                string.Empty
            );

            if (isValid)
            {
                Assert.DoesNotThrow(ctor);
            }
            else
            {
                Assert.Throws<ArgumentException>(ctor);
            }
        }
    }
}