using System;
using System.Collections.Generic;
using System.Linq;
using System.Threading.Tasks;
using System.IO;
using Timelapse.Api;
namespace Timelapse.Data
{
    public class RecentFileService
    {
        public static RecentFileService RFS;
        public static string RecentFile=Path.Combine(Extensions.UserData,"recent.txt");
        public RecentFileService()
        {
            
            if(File.Exists(RecentFile))
            {
                Files = File.ReadAllLines(RecentFile).ToList();
            }else{
                Files = new List<string>();
            }
            
        }
        public void Add(string file)
        {
            if(Files.Contains(file))
            {
                Files.Remove(file);
            }
            Files.Add(file);
            File.WriteAllLines(RecentFile,Files);
        
        }
        static List<string> Files;

        public Task<RecentFile[]> GetRecentFilesAsync()
        {
            var rng = new Random();
            return Task.FromResult(Files.Select(name => new RecentFile
            {
                Fullpath=name   
            }).ToArray());
        }
    }
}