// 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.Collections.Generic;
using System.Collections.ObjectModel;
using System.Globalization;
using System.Linq;

using Microsoft.PowerToys.Run.Plugin.WindowsSettings.Properties;
using Wox.Plugin.Logger;

namespace Microsoft.PowerToys.Run.Plugin.WindowsSettings.Helper
{
    /// <summary>
    /// Helper class to easier work with translations.
    /// </summary>
    internal static class TranslationHelper
    {
        /// <summary>
        /// Translate all settings of the settings list in the given <see cref="WindowsSettings"/> class.
        /// </summary>
        /// <param name="windowsSettings">A class that contain all possible windows settings.</param>
        internal static void TranslateAllSettings(in WindowsSettings windowsSettings)
        {
            if (windowsSettings?.Settings is null)
            {
                return;
            }

            foreach (var settings in windowsSettings.Settings)
            {
                // Translate Name
                if (!string.IsNullOrWhiteSpace(settings.Name))
                {
                    var name = Resources.ResourceManager.GetString(settings.Name, CultureInfo.CurrentUICulture);
                    if (string.IsNullOrEmpty(name))
                    {
                        Log.Warn($"Resource string for [{settings.Name}] not found", typeof(TranslationHelper));
                    }

                    settings.Name = name ?? settings.Name ?? string.Empty;
                }

                // Translate Type (App)
                if (!string.IsNullOrWhiteSpace(settings.Type))
                {
                    var type = Resources.ResourceManager.GetString(settings.Type, CultureInfo.CurrentUICulture);
                    if (string.IsNullOrEmpty(type))
                    {
                        Log.Warn($"Resource string for [{settings.Type}] not found", typeof(TranslationHelper));
                    }

                    settings.Type = type ?? settings.Type ?? string.Empty;
                }

                // Translate Areas
                if (!(settings.Areas is null) && settings.Areas.Any())
                {
                    var translatedAreas = new List<string>();

                    foreach (var area in settings.Areas)
                    {
                        if (string.IsNullOrWhiteSpace(area))
                        {
                            continue;
                        }

                        var translatedArea = Resources.ResourceManager.GetString(area, CultureInfo.CurrentUICulture);
                        if (string.IsNullOrEmpty(translatedArea))
                        {
                            Log.Warn($"Resource string for [{area}] not found", typeof(TranslationHelper));
                        }

                        translatedAreas.Add(translatedArea ?? area);
                    }

                    settings.Areas = translatedAreas;
                }

                // Translate Alternative names
                if (!(settings.AltNames is null) && settings.AltNames.Any())
                {
                    var translatedAltNames = new Collection<string>();

                    foreach (var altName in settings.AltNames)
                    {
                        if (string.IsNullOrWhiteSpace(altName))
                        {
                            continue;
                        }

                        var translatedAltName = Resources.ResourceManager.GetString(altName, CultureInfo.CurrentUICulture);
                        if (string.IsNullOrEmpty(translatedAltName))
                        {
                            Log.Warn($"Resource string for [{altName}] not found", typeof(TranslationHelper));
                        }

                        translatedAltNames.Add(translatedAltName ?? altName);
                    }

                    settings.AltNames = translatedAltNames;
                }

                // Translate Note
                if (!string.IsNullOrWhiteSpace(settings.Note))
                {
                    var note = Resources.ResourceManager.GetString(settings.Note, CultureInfo.CurrentUICulture);
                    if (string.IsNullOrEmpty(note))
                    {
                        Log.Warn($"Resource string for [{settings.Note}] not found", typeof(TranslationHelper));
                    }

                    settings.Note = note ?? settings.Note ?? string.Empty;
                }
            }
        }
    }
}
