// Copyright (c) Umbraco.
// See LICENSE for more details.

using NUnit.Framework;
using Umbraco.Cms.Infrastructure.Persistence.Repositories.Implement;

namespace Umbraco.Cms.Tests.Integration.Umbraco.Infrastructure.Persistence.Repositories
{
    [TestFixture]
    public class SimilarNodeNameTests
    {
        public void Name_Is_Suffixed()
        {
            SimilarNodeName[] names = new[]
            {
                new SimilarNodeName { Id = 1, Name = "Zulu" }
            };

            string res = SimilarNodeName.GetUniqueName(names, 0, "Zulu");
            Assert.AreEqual("Zulu (1)", res);
        }

        [Test]
        public void Suffixed_Name_Is_Incremented()
        {
            SimilarNodeName[] names = new[]
            {
                new SimilarNodeName { Id = 1, Name = "Zulu" },
                new SimilarNodeName { Id = 2, Name = "Kilo (1)" },
                new SimilarNodeName { Id = 3, Name = "Kilo" },
            };

            string res = SimilarNodeName.GetUniqueName(names, 0, "Kilo (1)");
            Assert.AreEqual("Kilo (2)", res);
        }

        [Test]
        public void Lower_Number_Suffix_Is_Inserted()
        {
            SimilarNodeName[] names = new[]
            {
                new SimilarNodeName { Id = 1, Name = "Golf" },
                new SimilarNodeName { Id = 2, Name = "Golf (2)" },
            };

            string res = SimilarNodeName.GetUniqueName(names, 0, "Golf");
            Assert.AreEqual("Golf (1)", res);
        }

        [Test]
        [TestCase(0, "Alpha", "Alpha (3)")]
        [TestCase(0, "alpha", "alpha (3)")]
        public void Case_Is_Ignored(int nodeId, string nodeName, string expected)
        {
            SimilarNodeName[] names = new[]
            {
                new SimilarNodeName { Id = 1, Name = "Alpha" },
                new SimilarNodeName { Id = 2, Name = "Alpha (1)" },
                new SimilarNodeName { Id = 3, Name = "Alpha (2)" },
            };
            string res = SimilarNodeName.GetUniqueName(names, nodeId, nodeName);

            Assert.AreEqual(expected, res);
        }

        [Test]
        public void Empty_List_Causes_Unchanged_Name()
        {
            var names = new SimilarNodeName[] { };

            string res = SimilarNodeName.GetUniqueName(names, 0, "Charlie");

            Assert.AreEqual("Charlie", res);
        }

        [Test]
        [TestCase(0, "", " (1)")]
        [TestCase(0, null, " (1)")]
        public void Empty_Name_Is_Suffixed(int nodeId, string nodeName, string expected)
        {
            var names = new SimilarNodeName[] { };

            string res = SimilarNodeName.GetUniqueName(names, nodeId, nodeName);

            Assert.AreEqual(expected, res);
        }

        [Test]
        public void Matching_NoedId_Causes_No_Change()
        {
            SimilarNodeName[] names = new[]
            {
                new SimilarNodeName { Id = 1, Name = "Kilo (1)" },
                new SimilarNodeName { Id = 2, Name = "Yankee" },
                new SimilarNodeName { Id = 3, Name = "Kilo" },
            };

            string res = SimilarNodeName.GetUniqueName(names, 1, "Kilo (1)");

            Assert.AreEqual("Kilo (1)", res);
        }

        [Test]
        public void Extra_MultiSuffixed_Name_Is_Ignored()
        {
            // Sequesnce is: Test, Test (1), Test (2)
            // Ignore: Test (1) (1)
            SimilarNodeName[] names = new[]
            {
               new SimilarNodeName { Id = 1, Name = "Alpha (2)" },
               new SimilarNodeName { Id = 2, Name = "Test" },
               new SimilarNodeName { Id = 3, Name = "Test (1)" },
               new SimilarNodeName { Id = 4, Name = "Test (2)" },
               new SimilarNodeName { Id = 5, Name = "Test (1) (1)" },
            };

            string res = SimilarNodeName.GetUniqueName(names, 0, "Test");

            Assert.AreEqual("Test (3)", res);
        }

        [Test]
        public void Matched_Name_Is_Suffixed()
        {
            SimilarNodeName[] names = new[]
            {
                new SimilarNodeName { Id = 1, Name = "Test" },
            };

            string res = SimilarNodeName.GetUniqueName(names, 0, "Test");

            Assert.AreEqual("Test (1)", res);
        }

        [Test]
        public void MultiSuffixed_Name_Is_Icremented()
        {
            // "Test (1)" is treated as the "original" version of the name.
            // "Test (1) (1)" is the suffixed result of a copy, and therefore is incremented
            // Hence this test result should be the same as Suffixed_Name_Is_Incremented
            SimilarNodeName[] names = new[]
            {
                new SimilarNodeName { Id = 1, Name = "Test (1)" },
                new SimilarNodeName { Id = 2, Name = "Test (1) (1)" },
            };

            string res = SimilarNodeName.GetUniqueName(names, 0, "Test (1) (1)");

            Assert.AreEqual("Test (1) (2)", res);
        }

        [Test]
        public void Suffixed_Name_Causes_Secondary_Suffix()
        {
            SimilarNodeName[] names = new[]
            {
                new SimilarNodeName { Id = 6, Name = "Alpha (1)" }
            };
            string res = SimilarNodeName.GetUniqueName(names, 0, "Alpha (1)");

            Assert.AreEqual("Alpha (1) (1)", res);
        }

        [TestCase("Test (0)", "Test (0) (1)")]
        [TestCase("Test (-1)", "Test (-1) (1)")]
        [TestCase("Test (1) (-1)", "Test (1) (-1) (1)")]
        public void NonPositive_Suffix_Is_Ignored(string suffix, string expected)
        {
            SimilarNodeName[] names = new[]
            {
                new SimilarNodeName { Id = 6, Name = suffix }
            };
            string res = SimilarNodeName.GetUniqueName(names, 0, suffix);

            Assert.AreEqual(expected, res);
        }

        /* Original Tests - Can be deleted, as new tests cover all cases */

        [TestCase(0, "Charlie", "Charlie")]
        [TestCase(0, "Zulu", "Zulu (1)")]
        [TestCase(0, "Golf", "Golf (1)")]
        [TestCase(0, "Kilo", "Kilo (2)")]
        [TestCase(0, "Alpha", "Alpha (3)")]
        //// [TestCase(0, "Kilo (1)", "Kilo (1) (1)")] // though... we might consider "Kilo (2)"
        [TestCase(0, "Kilo (1)", "Kilo (2)")] // names[] contains "Kilo" AND "Kilo (1)", which implies that result should be "Kilo (2)"
        [TestCase(6, "Kilo (1)", "Kilo (1)")] // because of the id
        [TestCase(0, "alpha", "alpha (3)")]
        [TestCase(0, "", " (1)")]
        [TestCase(0, null, " (1)")]
        public void Test(int nodeId, string nodeName, string expected)
        {
            SimilarNodeName[] names = new[]
            {
                new SimilarNodeName { Id = 1, Name = "Alpha (2)" },
                new SimilarNodeName { Id = 2, Name = "Alpha" },
                new SimilarNodeName { Id = 3, Name = "Golf" },
                new SimilarNodeName { Id = 4, Name = "Zulu" },
                new SimilarNodeName { Id = 5, Name = "Mike" },
                new SimilarNodeName { Id = 6, Name = "Kilo (1)" },
                new SimilarNodeName { Id = 7, Name = "Yankee" },
                new SimilarNodeName { Id = 8, Name = "Kilo" },
                new SimilarNodeName { Id = 9, Name = "Golf (2)" },
                new SimilarNodeName { Id = 10, Name = "Alpha (1)" },
            };

            Assert.AreEqual(expected, SimilarNodeName.GetUniqueName(names, nodeId, nodeName));
        }

        [Test]
        [Explicit("This test fails! We need to fix up the logic")]
        public void TestMany()
        {
            SimilarNodeName[] names = new[]
            {
                new SimilarNodeName { Id = 1, Name = "Alpha (2)" },
                new SimilarNodeName { Id = 2, Name = "Test" },
                new SimilarNodeName { Id = 3, Name = "Test (1)" },
                new SimilarNodeName { Id = 4, Name = "Test (2)" },
                new SimilarNodeName { Id = 22, Name = "Test (1) (1)" },
            };

            // fixme - this will yield "Test (2)" which is already in use
            Assert.AreEqual("Test (3)", SimilarNodeName.GetUniqueName(names, 0, "Test"));
        }
    }
}
