#region License Information
/* HeuristicLab
 * Copyright (C) 2002-2015 Heuristic and Evolutionary Algorithms Laboratory (HEAL)
 *
 * This file is part of HeuristicLab.
 *
 * HeuristicLab 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.
 *
 * HeuristicLab 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 HeuristicLab. If not, see <http://www.gnu.org/licenses/>.
 */
#endregion


using HeuristicLab.Clients.Hive.WebJobManager.ViewModels;
using HeuristicLab.Common;
using HeuristicLab.Optimization;
using Microsoft.AspNetCore.Hosting;
using System;
using System.Collections.Generic;
using System.IO;
using System.Linq;
using System.Threading;

namespace HeuristicLab.Clients.Hive.WebJobManager.Services
{
    /// <summary>
    /// Used for opening a file and uploading this to Hive.
    /// Saves all relevant Job information needed for uploading.
    /// Outsourced to selectedJob keep the current job loaded
    /// </summary>
    public class FileOpeningService
    {
        public Guid UserId { get; set; }

        private WebLoginService weblog;
        public RefreshableJob Job { get; set; }
        public FileOpeningViewModel vm { get; set; }
        public IHostingEnvironment env { get; set; }
        public List<Guid> previousids {
            get; set; }
        public List<int> previousLogs { get; set; }
        

        public FileOpeningService(Guid u)
        {
            weblog = WebLoginService.Instance;
            UserId = u;
        }


        /// <summary>
        /// Clears loaded jobs and start new one
        /// </summary>
        public void NewModel()
        {
            vm = new FileOpeningViewModel(weblog.getCurrentUser(UserId));
            Job = new RefreshableJob();

            Job.Job.Name = "init";
            
        }
        /// <summary>
        /// Attaches tasks from viewmodel to job
        /// </summary>
        public void setTasks()
        {
            
            Job.HiveTasks.Add(vm.SelectedTask);
        }
        /// <summary>
        /// Refresh all info from a job from the server
        /// </summary>
        public void refreshJob()
        {
            weblog.getClientWeb(UserId).LoadJob(Job);
        }
        /// <summary>
        /// Adds loaded job from vm onto server
        /// </summary>
        /// <returns>Job being uploaded</returns>
        public RefreshableJob AddCurrentModelToHive()
        {
            if (vm != null)
            {
                var clientWeb = weblog.getClientWeb(UserId);
                clientWeb.CurrentEnv = (Microsoft.AspNetCore.Hosting.IHostingEnvironment)env;
                clientWeb.Refresh();
                clientWeb.StartJob((ex) => { throw ex; }, Job, CancellationToken.None);
                return Job;
            }
            return null;
        }
        public void SaveToFile(string file, string dname)
        {
            if(vm != null)
            {
                var uploads = Path.Combine(env.WebRootPath, "uploads", weblog.getServiceLocator(UserId).getHiveServiceClient().ClientCredentials.UserName.UserName,
                    dname);
                Directory.CreateDirectory(uploads);
                var cont = Job.HiveTasks.First().ItemTask.Item;
                if (!file.EndsWith(".hl"))
                    file += ".hl";
                var fileloc = uploads + "\\" + file;
                if(cont is Experiment)
                    ContentManager.Save((Experiment)cont, fileloc, false);
                else if(cont is BatchRun)
                    ContentManager.Save((BatchRun)cont, fileloc, false);
                else if(cont is Algorithm)
                {
                    IAlgorithm t = (IAlgorithm)Job.HiveTasks.First().ItemTask.Item;
                    ContentManager.Save((IStorableContent)t, fileloc, false);
                }
                 
            }
        }
        
    }
}