#region Copyright

// /************************************************************************
//    Copyright (c) 2016 Jamie Rees
//    File: Version1100.cs
//    Created By: Jamie Rees
//   
//    Permission is hereby granted, free of charge, to any person obtaining
//    a copy of this software and associated documentation files (the
//    "Software"), to deal in the Software without restriction, including
//    without limitation the rights to use, copy, modify, merge, publish,
//    distribute, sublicense, and/or sell copies of the Software, and to
//    permit persons to whom the Software is furnished to do so, subject to
//    the following conditions:
//   
//    The above copyright notice and this permission notice shall be
//    included in all copies or substantial portions of the Software.
//   
//    THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
//    EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
//    MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
//    NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
//    LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
//    OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
//    WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
//  ************************************************************************/

#endregion

using System;
using System.Data;
using System.Linq;
using NLog;
using Ombi.Api.Interfaces;
using Ombi.Core.SettingModels;
using Ombi.Helpers;
using Ombi.Helpers.Permissions;
using Ombi.Store;
using Ombi.Store.Models;
using Ombi.Store.Models.Plex;
using Ombi.Store.Repository;

namespace Ombi.Core.Migration.Migrations
{
    [Migration(11000, "v1.10.0.0")]
    public class Version1100 : BaseMigration, IMigration
    {
        public Version1100(IUserRepository userRepo, IRequestService requestService, ISettingsService<LogSettings> log,
            IPlexApi plexApi, ISettingsService<PlexSettings> plexService,
            IExternalUserRepository<PlexUsers> plexusers, ISettingsService<PlexRequestSettings> prSettings,
            ISettingsService<UserManagementSettings> umSettings,
            ISettingsService<ScheduledJobsSettings> sjs, IRepository<UsersToNotify> usersToNotify)
        {
            UserRepo = userRepo;
            RequestService = requestService;
            Log = log;
            PlexApi = plexApi;
            PlexSettings = plexService;
            PlexUsers = plexusers;
            PlexRequestSettings = prSettings;
            UserManagementSettings = umSettings;
            ScheduledJobSettings = sjs;
            UserNotifyRepo = usersToNotify;
        }

        public int Version => 11000;

        private IUserRepository UserRepo { get; }
        private IRequestService RequestService { get; }
        private ISettingsService<LogSettings> Log { get; }
        private IPlexApi PlexApi { get; }
        private ISettingsService<PlexSettings> PlexSettings { get; }
        private IExternalUserRepository<PlexUsers> PlexUsers { get; }
        private ISettingsService<PlexRequestSettings> PlexRequestSettings { get; }
        private ISettingsService<UserManagementSettings> UserManagementSettings { get; }
        private ISettingsService<ScheduledJobsSettings> ScheduledJobSettings { get; }
        private IRepository<UsersToNotify> UserNotifyRepo { get; }


        private static Logger Logger = LogManager.GetCurrentClassLogger();

        public void Start(IDbConnection con)
        {
            UpdateDb(con);

            // Update the current admin permissions set

            PopulateDefaultUserManagementSettings();
            UpdateAdmin();
            ResetLogLevel();
            UpdatePlexUsers();
            UpdateScheduledJobs();
            MigrateUserNotifications();

            UpdateSchema(con, Version);
        }

        private void MigrateUserNotifications()
        {
            try
            {
                var usersToNotify = UserNotifyRepo.GetAll();
                var plexUsers = PlexUsers.GetAll().ToList();
                var users = UserRepo.GetAll().ToList();

                if (usersToNotify == null)
                {
                    return;
                }

                foreach (var u in usersToNotify)
                {
                    var selectedPlexUser =
                        plexUsers.FirstOrDefault(
                            x => x.Username.Equals(u.Username, StringComparison.CurrentCultureIgnoreCase));
                    if (selectedPlexUser != null)
                    {
                        selectedPlexUser.Features += (int)Features.RequestAddedNotification;
                        PlexUsers.Update(selectedPlexUser);
                    }

                    var selectedLocalUser =
                        users.FirstOrDefault(x => x.UserName.Equals(u.Username, StringComparison.CurrentCultureIgnoreCase));
                    if (selectedLocalUser != null)
                    {
                        selectedLocalUser.Features += (int)Features.RequestAddedNotification;
                        UserRepo.Update(selectedLocalUser);
                    }
                }
            }
            catch (Exception e)
            {
                Logger.Fatal("Exception when migrating Version 1.10.0 (UpdateScheduledJobs)");
                Logger.Fatal(e);
            }
        }

        private void UpdateScheduledJobs()
        {
            try
            {
                var settings = ScheduledJobSettings.GetSettings();

                settings.PlexUserChecker = 24;
                settings.PlexContentCacher = 60;

                ScheduledJobSettings.SaveSettings(settings);
            }
            catch (Exception e)
            {
                Logger.Fatal("Exception when migrating Version 1.10.0 (UpdateScheduledJobs)");
                Logger.Fatal(e);
            }
        }

        private void PopulateDefaultUserManagementSettings()
        {
            try
            {
                var plexRequestSettings = PlexRequestSettings.GetSettings();

                UserManagementSettings.SaveSettings(new UserManagementSettings
                {
                    AutoApproveMovies = !plexRequestSettings.RequireMovieApproval,
                    RequestTvShows = plexRequestSettings.SearchForTvShows,
                    RequestMusic = plexRequestSettings.SearchForMusic,
                    RequestMovies = plexRequestSettings.SearchForMovies,
                    AutoApproveMusic = !plexRequestSettings.RequireMusicApproval,
                    AutoApproveTvShows = !plexRequestSettings.RequireTvShowApproval
                });
            }
            catch (Exception e)
            {
                Logger.Fatal("Exception when migrating Version 1.10.0 (PopulateDefaultUserMngmentSettings)");
                Logger.Fatal(e);
            }
        }

        private void UpdatePlexUsers()
        {
            try
            {
                var settings = PlexSettings.GetSettings();
                if (string.IsNullOrEmpty(settings.PlexAuthToken) || !settings.Enable)
                {
                    return;
                }
                var plexUsers = PlexApi.GetUsers(settings.PlexAuthToken);

                if (plexUsers?.User == null)
                {
                    return;
                }

                var prSettings = PlexRequestSettings.GetSettings();

                var dbUsers = PlexUsers.GetAll().ToList();
                foreach (var user in plexUsers.User)
                {
                    if (dbUsers.FirstOrDefault(x => x.PlexUserId == user.Id) != null)
                    {
                        continue;
                    }

                    int permissions = 0;
                    if (prSettings.SearchForMovies)
                    {
                        permissions = (int)Permissions.RequestMovie;
                    }
                    if (prSettings.SearchForTvShows)
                    {
                        permissions += (int)Permissions.RequestTvShow;
                    }
                    if (prSettings.SearchForMusic)
                    {
                        permissions += (int)Permissions.RequestMusic;
                    }
                    if (!prSettings.RequireMovieApproval)
                    {
                        permissions += (int)Permissions.AutoApproveMovie;
                    }
                    if (!prSettings.RequireTvShowApproval)
                    {
                        permissions += (int)Permissions.AutoApproveTv;
                    }
                    if (!prSettings.RequireMusicApproval)
                    {
                        permissions += (int)Permissions.AutoApproveAlbum;
                    }

                    // Add report Issues

                    permissions += (int)Permissions.ReportIssue;

                    var m = new PlexUsers
                    {
                        PlexUserId = user.Id,
                        Permissions = permissions,
                        Features = 0,
                        UserAlias = string.Empty,
                        EmailAddress = user.Email,
                        Username = user.Username,
                        LoginId = Guid.NewGuid().ToString()
                    };

                    PlexUsers.Insert(m);
                }
            }
            catch (Exception e)
            {
                Logger.Fatal("Exception when migrating Version 1.10.0 (UpdatePlexUsers)");
                Logger.Fatal(e);
            }
        }

        private void ResetLogLevel()
        {
            try
            {
                var logSettings = Log.GetSettings();
                logSettings.Level = LogLevel.Error.Ordinal;
                Log.SaveSettings(logSettings);

                LoggingHelper.ReconfigureLogLevel(LogLevel.FromOrdinal(logSettings.Level));
            }
            catch (Exception e)
            {
                Logger.Fatal("Exception when migrating Version 1.10.0 (ResetLogLvl)");
                Logger.Fatal(e);
            }
        }

        private void UpdateDb(IDbConnection con)
        {
            try
            {
                // Create the two new columns
                con.AlterTable("Users", "ADD", "Permissions", true, "INTEGER");
                con.AlterTable("Users", "ADD", "Features", true, "INTEGER");

                con.AlterTable("PlexUsers", "ADD", "Permissions", true, "INTEGER");
                con.AlterTable("PlexUsers", "ADD", "Features", true, "INTEGER");
                con.AlterTable("PlexUsers", "ADD", "Username", true, "VARCHAR(100)");
                con.AlterTable("PlexUsers", "ADD", "EmailAddress", true, "VARCHAR(100)");
                con.AlterTable("PlexUsers", "ADD", "LoginId", true, "VARCHAR(100)");

                //https://image.tmdb.org/t/p/w150/https://image.tmdb.org/t/p/w150//aqhAqttDq7zgsTaBHtCD8wmTk6k.jpg 

                // UI = https://image.tmdb.org/t/p/w150/{{posterPath}}
                // Update old invalid posters
                var allRequests = RequestService.GetAll();
                if (allRequests == null)
                {
                    return;
                }
                var requestedModels = allRequests.ToList();
                foreach (var req in requestedModels)
                {
                    if (string.IsNullOrEmpty(req.PosterPath))
                    {
                        continue;
                    }
                    if (req.PosterPath.Contains("https://image.tmdb.org/t/p/w150/"))
                    {
                        var newImg = req.PosterPath.Replace("https://image.tmdb.org/t/p/w150/", string.Empty);
                        req.PosterPath = newImg;
                    }
                }
                RequestService.BatchUpdate(requestedModels);
            }
            catch (Exception e)
            {
                Logger.Fatal("Exception when migrating Version 1.10.0 (UpdateDb)");
                Logger.Fatal(e);
            }
        }

        private void UpdateAdmin()
        {
            try
            {
                var users = UserRepo.GetAll().ToList();

                foreach (var user in users)
                {
                    user.Permissions = (int)
                        (Permissions.Administrator
                        | Permissions.ReportIssue
                        | Permissions.RequestMusic
                        | Permissions.RequestTvShow
                        | Permissions.RequestMovie
                        | Permissions.AutoApproveAlbum
                        | Permissions.AutoApproveMovie
                        | Permissions.AutoApproveTv);
                }

                UserRepo.UpdateAll(users);
            }
            catch (Exception e)
            {
                Logger.Fatal("Exception when migrating Version 1.10.0 (UpdateAdmin)");
                Logger.Fatal(e);
            }
        }
    }
}