// Copyright (C) Stichting Deltares 2018. All rights reserved.
//
// This file is part of Ringtoets.
//
// Ringtoets is free software: you can redistribute it and/or modify
// it under the terms of the GNU General Public License as published by
// the Free Software Foundation, either version 3 of the License, or
// (at your option) any later version.
// 
// This program is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
// GNU General Public License for more details.
//
// You should have received a copy of the GNU General Public License
// along with this program. If not, see <http://www.gnu.org/licenses/>.
//
// All names, logos, and references to "Deltares" are registered trademarks of
// Stichting Deltares and remain full property of Stichting Deltares at all times.
// All rights reserved.

using System.Collections.Generic;
using System.Collections.ObjectModel;
using System.IO;
using Core.Common.TestUtil;
using NUnit.Framework;
using Ringtoets.Common.Util;
using Riskeer.Migration.Core;
using Riskeer.Migration.Core.TestUtil;

namespace Ringtoets.Migration.Integration.Test
{
    [TestFixture]
    public class MigrationIntegrationTest
    {
        private readonly string latestVersion = RingtoetsVersionHelper.GetCurrentDatabaseVersion();
        private readonly string testDataPath = TestHelper.GetTestDataPath(TestDataPath.Ringtoets.Migration.Core);

        [Test]
        [TestCaseSource(nameof(GetFileNamesWithSpecialCharacters))]
        public void GivenProject_WhenSpecialCharacterInPath_DoesNotThrowException(string sourceFile,
                                                                                  string newVersion)
        {
            // Given
            string fileToCopy = Path.Combine(testDataPath, sourceFile);
            string sourceFilePath = TestHelper.GetScratchPadPath($"\'[]!`~@#$%^€&()-_=+;, {sourceFile}");
            File.Copy(fileToCopy, sourceFilePath, true);

            // Precondition
            Assert.IsTrue(File.Exists(sourceFilePath));
            var fromVersionedFile = new RingtoetsVersionedFile(sourceFilePath);

            string name = $"{nameof(GivenProject_WhenSpecialCharacterInPath_DoesNotThrowException)} \'[]!`~@#$%^€&()-_=+;,";
            string targetFilePath = TestHelper.GetScratchPadPath(name);
            string logFilePath = TestHelper.GetScratchPadPath(string.Concat(name, sourceFile, ".log"));
            var migrator = new RingtoetsSqLiteDatabaseFileMigrator
            {
                LogPath = logFilePath
            };

            try
            {
                using (new FileDisposeHelper(logFilePath))
                using (new FileDisposeHelper(targetFilePath))
                {
                    // When
                    TestDelegate call = () => migrator.Migrate(fromVersionedFile, newVersion, targetFilePath);

                    // Then
                    Assert.DoesNotThrow(call);
                }
            }
            finally
            {
                File.Delete(sourceFilePath);
            }
        }

        [Test]
        public void GivenEmpty164Project_WhenNoChangesMadeAndMigratingToLatestVersion_ThenLogDatabaseContainsMessagesSayingNoChangesMade()
        {
            // Given
            string sourceFilePath = TestHelper.GetTestDataPath(TestDataPath.Ringtoets.Migration.Core,
                                                               "Empty valid Release 16.4.rtd");
            var fromVersionedFile = new RingtoetsVersionedFile(sourceFilePath);

            string targetFilePath = TestHelper.GetScratchPadPath(
                nameof(GivenEmpty164Project_WhenNoChangesMadeAndMigratingToLatestVersion_ThenLogDatabaseContainsMessagesSayingNoChangesMade));
            string logFilePath = TestHelper.GetScratchPadPath(
                string.Concat(nameof(GivenEmpty164Project_WhenNoChangesMadeAndMigratingToLatestVersion_ThenLogDatabaseContainsMessagesSayingNoChangesMade), ".log"));
            var migrator = new RingtoetsSqLiteDatabaseFileMigrator
            {
                LogPath = logFilePath
            };

            using (new FileDisposeHelper(logFilePath))
            using (new FileDisposeHelper(targetFilePath))
            {
                // When
                migrator.Migrate(fromVersionedFile, latestVersion, targetFilePath);

                using (var reader = new MigrationLogDatabaseReader(logFilePath))
                {
                    ReadOnlyCollection<MigrationLogMessage> messages = reader.GetMigrationLogMessages();
                    Assert.AreEqual(10, messages.Count);
                    MigrationLogTestHelper.AssertMigrationLogMessageEqual(
                        new MigrationLogMessage("5", "17.1", "Gevolgen van de migratie van versie 16.4 naar versie 17.1:"),
                        messages[0]);
                    MigrationLogTestHelper.AssertMigrationLogMessageEqual(
                        new MigrationLogMessage("5", "17.1", "* Geen aanpassingen."),
                        messages[1]);
                    MigrationLogTestHelper.AssertMigrationLogMessageEqual(
                        new MigrationLogMessage("17.1", "17.2", "Gevolgen van de migratie van versie 17.1 naar versie 17.2:"),
                        messages[2]);
                    MigrationLogTestHelper.AssertMigrationLogMessageEqual(
                        new MigrationLogMessage("17.1", "17.2", "* Geen aanpassingen."),
                        messages[3]);
                    MigrationLogTestHelper.AssertMigrationLogMessageEqual(
                        new MigrationLogMessage("17.2", "17.3", "Gevolgen van de migratie van versie 17.2 naar versie 17.3:"),
                        messages[4]);
                    MigrationLogTestHelper.AssertMigrationLogMessageEqual(
                        new MigrationLogMessage("17.2", "17.3", "* Geen aanpassingen."),
                        messages[5]);
                    MigrationLogTestHelper.AssertMigrationLogMessageEqual(
                        new MigrationLogMessage("17.3", "18.1", "Gevolgen van de migratie van versie 17.3 naar versie 18.1:"),
                        messages[6]);
                    MigrationLogTestHelper.AssertMigrationLogMessageEqual(
                        new MigrationLogMessage("17.3", "18.1", "* Geen aanpassingen."),
                        messages[7]);
                    MigrationLogTestHelper.AssertMigrationLogMessageEqual(
                        new MigrationLogMessage("18.1", latestVersion, $"Gevolgen van de migratie van versie 18.1 naar versie {latestVersion}:"),
                        messages[8]);
                    MigrationLogTestHelper.AssertMigrationLogMessageEqual(
                        new MigrationLogMessage("18.1", latestVersion, "* Geen aanpassingen."),
                        messages[9]);
                }
            }
        }

        private static IEnumerable<TestCaseData> GetFileNamesWithSpecialCharacters()
        {
            foreach (FileToMigrate fileToMigrate in GetFilesToMigrate())
            {
                yield return new TestCaseData(fileToMigrate.OriginalPath, fileToMigrate.ToVersion)
                    .SetName($"Migrate{fileToMigrate.OriginalPath}WithSpecialChars");
            }
        }

        private static IEnumerable<FileToMigrate> GetFilesToMigrate()
        {
            yield return new FileToMigrate("Empty valid Release 16.4.rtd", "17.1");
            yield return new FileToMigrate("Empty valid Release 17.1.rtd", "17.2");
            yield return new FileToMigrate("Empty valid Release 17.2.rtd", "17.3");
            yield return new FileToMigrate("Empty valid Release 17.3.rtd", "18.1");
            yield return new FileToMigrate("Empty valid Release 18.1.rtd", "19.1");
        }

        private class FileToMigrate
        {
            public FileToMigrate(string path, string toVersion)
            {
                OriginalPath = path;
                ToVersion = toVersion;
            }

            public string OriginalPath { get; }
            public string ToVersion { get; }
        }
    }
}