using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
using Wox.Plugin.Program.Views.Models;

namespace Wox.Plugin.Program.Views.Commands
{
    internal static class ProgramSettingDisplay
    {
        internal static List<ProgramSource> LoadProgramSources(this List<Settings.ProgramSource> programSources)
        {
            var list = new List<ProgramSource>();

            programSources.ForEach(x => list
                                        .Add(
                                                new ProgramSource
                                                {
                                                    Enabled = x.Enabled,
                                                    Location = x.Location,
                                                    Name = x.Name,
                                                    UniqueIdentifier = x.UniqueIdentifier
                                                }
                                        ));

            // Even though these are disabled, we still want to display them so users can enable later on
            Main._settings
                .DisabledProgramSources
                .Where(t1 => !Main._settings
                                  .ProgramSources // program sourcces added above already, so exlcude
                                  .Any(x => t1.UniqueIdentifier == x.UniqueIdentifier))
                .Select(x => x)
                .ToList()
                .ForEach(x => list
                              .Add(
                                    new ProgramSource
                                    {
                                        Enabled = x.Enabled,
                                        Location = x.Location,
                                        Name = x.Name,
                                        UniqueIdentifier = x.UniqueIdentifier
                                    }
                              ));

            return list;
        }

        internal static void LoadAllApplications(this List<ProgramSource> list)
        {
            Main._win32s
                .Where(t1 => !ProgramSetting.ProgramSettingDisplayList.Any(x => x.UniqueIdentifier == t1.UniqueIdentifier))
                .ToList()
                .ForEach(t1 => ProgramSetting.ProgramSettingDisplayList
                                             .Add(
                                                    new ProgramSource
                                                    {
                                                        Name = t1.Name,
                                                        Location = t1.ParentDirectory,
                                                        UniqueIdentifier = t1.UniqueIdentifier,
                                                        Enabled = t1.Enabled
                                                    }
                                             ));

            Main._uwps
                .Where(t1 => !ProgramSetting.ProgramSettingDisplayList.Any(x => x.UniqueIdentifier == t1.UniqueIdentifier))
                .ToList()
                .ForEach(t1 => ProgramSetting.ProgramSettingDisplayList
                                             .Add(
                                                     new ProgramSource
                                                     {
                                                         Name = t1.DisplayName,
                                                         Location = t1.Package.Location,
                                                         UniqueIdentifier = t1.UniqueIdentifier,
                                                         Enabled = t1.Enabled
                                                     }
                                              ));
        }

        internal static void SetProgramSourcesStatus(this List<ProgramSource> list, List<ProgramSource> selectedProgramSourcesToDisable, bool status)
        {
            ProgramSetting.ProgramSettingDisplayList
                .Where(t1 => selectedProgramSourcesToDisable.Any(x => x.UniqueIdentifier == t1.UniqueIdentifier && t1.Enabled != status))
                .ToList()
                .ForEach(t1 => t1.Enabled = status);

            Main._win32s
                .Where(t1 => selectedProgramSourcesToDisable.Any(x => x.UniqueIdentifier == t1.UniqueIdentifier && t1.Enabled != status))
                .ToList()
                .ForEach(t1 => t1.Enabled = status);

            Main._uwps
                .Where(t1 => selectedProgramSourcesToDisable.Any(x => x.UniqueIdentifier == t1.UniqueIdentifier && t1.Enabled != status))
                .ToList()
                .ForEach(t1 => t1.Enabled = status);
        }

        internal static void StoreDisabledInSettings(this List<ProgramSource> list)
        {
            Main._settings.ProgramSources
               .Where(t1 => ProgramSetting.ProgramSettingDisplayList.Any(x => x.UniqueIdentifier == t1.UniqueIdentifier && !x.Enabled))
               .ToList()
               .ForEach(t1 => t1.Enabled = false);

            ProgramSetting.ProgramSettingDisplayList
                .Where(t1 => !t1.Enabled
                                && !Main._settings.DisabledProgramSources.Any(x => x.UniqueIdentifier == t1.UniqueIdentifier))
                .ToList()
                .ForEach(x => Main._settings.DisabledProgramSources
                                            .Add(
                                                    new Settings.DisabledProgramSource
                                                    {
                                                        Name = x.Name,
                                                        Location = x.Location,
                                                        UniqueIdentifier = x.UniqueIdentifier,
                                                        Enabled = false
                                                    }
                                            ));
        }

        internal static void RemoveDisabledFromSettings(this List<ProgramSource> list)
        {
            Main._settings.ProgramSources
               .Where(t1 => ProgramSetting.ProgramSettingDisplayList.Any(x => x.UniqueIdentifier == t1.UniqueIdentifier && x.Enabled))
               .ToList()
               .ForEach(t1 => t1.Enabled = true);

            Main._settings.DisabledProgramSources
                .Where(t1 => ProgramSetting.ProgramSettingDisplayList.Any(x => x.UniqueIdentifier == t1.UniqueIdentifier && x.Enabled))
                .ToList()
                .ForEach(x => Main._settings.DisabledProgramSources.Remove(x));
        }

        internal static bool IsReindexRequired(this List<ProgramSource> selectedItems)
        {
            if (selectedItems.Where(t1 => t1.Enabled && !Main._uwps.Any(x => t1.UniqueIdentifier == x.UniqueIdentifier)).Count() > 0
                && selectedItems.Where(t1 => t1.Enabled && !Main._win32s.Any(x => t1.UniqueIdentifier == x.UniqueIdentifier)).Count() > 0)
                return true;

            // ProgramSources holds list of user added directories, 
            // so when we enable/disable we need to reindex to show/not show the programs
            // that are found in those directories.
            if (selectedItems.Where(t1 => Main._settings.ProgramSources.Any(x => t1.UniqueIdentifier == x.UniqueIdentifier)).Count() > 0)
                return true;

            return false;
        }
    }
}