// Copyright (c) Microsoft Corporation
// The Microsoft Corporation licenses this file to you under the MIT license.
// See the LICENSE file in the project root for more information.

using System;
using System.IO;
using System.Text.Json;
using Microsoft.PowerToys.Settings.UI.Lib;
using Microsoft.PowerToys.Settings.UI.Lib.ViewModels;
using Microsoft.PowerToys.Settings.UI.UnitTests.Mocks;
using Microsoft.VisualStudio.TestTools.UnitTesting;
using Moq;

namespace ViewModelTests
{
    [TestClass]
    public class PowerRename
    {
        public const string ModuleName = "PowerRename";
        public const string generalSettings_file_name = "Test\\PowerRename";

        [TestMethod]
        public void IsEnabled_ShouldEnableModule_WhenSuccessful()
        {
            // Assert
            Func<string, int> SendMockIPCConfigMSG = msg =>
            {
                OutGoingGeneralSettings snd = JsonSerializer.Deserialize<OutGoingGeneralSettings>(msg);
                Assert.IsTrue(snd.GeneralSettings.Enabled.PowerRename);
                return 0;
            };

            // arrange
            PowerRenameViewModel viewModel = new PowerRenameViewModel(ISettingsUtilsMocks.GetStubSettingsUtils().Object, SendMockIPCConfigMSG, generalSettings_file_name);

            // act
            viewModel.IsEnabled = true;
        }

        [TestMethod]
        public void MRUEnabled_ShouldSetValue2True_WhenSuccessful()
        {
            // Assert
            Func<string, int> SendMockIPCConfigMSG = msg =>
            {
                PowerRenameSettingsIPCMessage snd = JsonSerializer.Deserialize<PowerRenameSettingsIPCMessage>(msg);
                Assert.IsTrue(snd.Powertoys.PowerRename.Properties.MRUEnabled.Value);
                return 0;
            };

            // arrange
            PowerRenameViewModel viewModel = new PowerRenameViewModel(ISettingsUtilsMocks.GetStubSettingsUtils().Object, SendMockIPCConfigMSG, generalSettings_file_name);

            // act
            viewModel.MRUEnabled = true;
        }

        [TestMethod]
        public void WhenIsEnabledIsOffAndMRUEnabledIsOffGlobalAndMruShouldBeOff()
        {
            Func<string, int> SendMockIPCConfigMSG = msg => { return 0; };
            PowerRenameViewModel viewModel = new PowerRenameViewModel(ISettingsUtilsMocks.GetStubSettingsUtils().Object, SendMockIPCConfigMSG, generalSettings_file_name);

            viewModel.IsEnabled = false;
            viewModel.MRUEnabled = false;

            Assert.IsFalse(viewModel.GlobalAndMruEnabled);
        }

        [TestMethod]
        public void WhenIsEnabledIsOffAndMRUEnabledIsOnGlobalAndMruShouldBeOff()
        {
            Func<string, int> SendMockIPCConfigMSG = msg => { return 0; };
            PowerRenameViewModel viewModel = new PowerRenameViewModel(ISettingsUtilsMocks.GetStubSettingsUtils().Object, SendMockIPCConfigMSG, generalSettings_file_name);

            viewModel.IsEnabled = false;
            viewModel.MRUEnabled = true;

            Assert.IsFalse(viewModel.GlobalAndMruEnabled);
        }

        [TestMethod]
        public void WhenIsEnabledIsOnAndMRUEnabledIsOffGlobalAndMruShouldBeOff()
        {
            Func<string, int> SendMockIPCConfigMSG = msg => { return 0; };
            PowerRenameViewModel viewModel = new PowerRenameViewModel(ISettingsUtilsMocks.GetStubSettingsUtils().Object, SendMockIPCConfigMSG, generalSettings_file_name);

            viewModel.IsEnabled = true;
            viewModel.MRUEnabled = false;

            Assert.IsFalse(viewModel.GlobalAndMruEnabled);
        }

        [TestMethod]
        public void WhenIsEnabledIsOnAndMRUEnabledIsOnGlobalAndMruShouldBeOn()
        {
            Func<string, int> SendMockIPCConfigMSG = msg => { return 0; };
            PowerRenameViewModel viewModel = new PowerRenameViewModel(ISettingsUtilsMocks.GetStubSettingsUtils().Object, SendMockIPCConfigMSG, generalSettings_file_name);

            viewModel.IsEnabled = true;
            viewModel.MRUEnabled = true;

            Assert.IsTrue(viewModel.GlobalAndMruEnabled);
        }

        [TestMethod]
        public void EnabledOnContextMenu_ShouldSetValue2True_WhenSuccessful()
        {
            // Assert
            Func<string, int> SendMockIPCConfigMSG = msg =>
            {
                PowerRenameSettingsIPCMessage snd = JsonSerializer.Deserialize<PowerRenameSettingsIPCMessage>(msg);
                Assert.IsTrue(snd.Powertoys.PowerRename.Properties.ShowIcon.Value);
                return 0;
            };

            // arrange
            PowerRenameViewModel viewModel = new PowerRenameViewModel(ISettingsUtilsMocks.GetStubSettingsUtils().Object, SendMockIPCConfigMSG, generalSettings_file_name);

            // act
            viewModel.EnabledOnContextMenu = true;
        }

        [TestMethod]
        public void EnabledOnContextExtendedMenu_ShouldSetValue2True_WhenSuccessful()
        {
            // Assert
            Func<string, int> SendMockIPCConfigMSG = msg =>
            {
                PowerRenameSettingsIPCMessage snd = JsonSerializer.Deserialize<PowerRenameSettingsIPCMessage>(msg);
                Assert.IsTrue(snd.Powertoys.PowerRename.Properties.ShowIcon.Value);
                return 0;
            };

            // arrange
            PowerRenameViewModel viewModel = new PowerRenameViewModel(ISettingsUtilsMocks.GetStubSettingsUtils().Object, SendMockIPCConfigMSG, generalSettings_file_name);

            // act
            viewModel.EnabledOnContextMenu = true;
        }

        [TestMethod]
        public void RestoreFlagsOnLaunch_ShouldSetValue2True_WhenSuccessful()
        {
            // Assert
            Func<string, int> SendMockIPCConfigMSG = msg =>
            {
                PowerRenameSettingsIPCMessage snd = JsonSerializer.Deserialize<PowerRenameSettingsIPCMessage>(msg);
                Assert.IsTrue(snd.Powertoys.PowerRename.Properties.PersistState.Value);
                return 0;
            };

            // arrange
            PowerRenameViewModel viewModel = new PowerRenameViewModel(ISettingsUtilsMocks.GetStubSettingsUtils().Object, SendMockIPCConfigMSG, generalSettings_file_name);

            // act
            viewModel.RestoreFlagsOnLaunch = true;
        }

        [TestMethod]
        public void MaxDispListNum_ShouldSetMaxSuggListTo20_WhenSuccessful()
        {
            // Assert
            Func<string, int> SendMockIPCConfigMSG = msg =>
            {
                PowerRenameSettingsIPCMessage snd = JsonSerializer.Deserialize<PowerRenameSettingsIPCMessage>(msg);
                Assert.AreEqual(20, snd.Powertoys.PowerRename.Properties.MaxMRUSize.Value);
                return 0;
            };

            // arrange
            PowerRenameViewModel viewModel = new PowerRenameViewModel(ISettingsUtilsMocks.GetStubSettingsUtils().Object, SendMockIPCConfigMSG, generalSettings_file_name);

            // act
            viewModel.MaxDispListNum = 20;
        }
    }
}