@page "/export"
@using System.IO
@using Timelapse.Api;
@using ElectronNET.API;
@using Timelapse.Data;
@using Xabe.FFmpeg;
@using Xabe.FFmpeg.Extensions;
@inject ExtensionProjectService EPS;
@inject NavigationManager NavigationManager
<h1>Export Project</h1>
@if(EPS.IsProjectLoaded)
{
    <div>
    <div class="input-group mb-3">
  <input type="text" class="form-control" placeholder="Path to video file" aria-label="Path to Video File" aria-describedby="basic-addon2" @bind-value="VideoPath">
  <div class="input-group-append">
    <button class="btn btn-outline-secondary" type="button" @onclick="Browse">Browse</button>
  </div>
</div>
    <button class="btn btn-primary" @onclick="Export">Export</button>
  
    </div>
}else{
    <h4>Please Load A Project</h4>
    
}
@code {
    public string VideoPath {get;set;}
    public async Task Browse()
    {
         string filename=await Electron.Dialog.ShowSaveDialogAsync(Electron.WindowManager.BrowserWindows.First(),new SaveDialogOptions() { Filters = new ElectronNET.API.Entities.FileFilter[] {new ElectronNET.API.Entities.FileFilter() {Name="MPEG-4 Video", Extensions=new string[] {"mp4"}}}});
        if(!string.IsNullOrWhiteSpace(filename))
        {
            VideoPath=filename;
        }
         
    }
   // public int Progress {get;set;}
    public async Task Export()
    {   
        
        int count=1;

         while(File.Exists( 
             Path.Combine(EPS.ProjectDirectory,"Sections",EPS.Project.CurrentSection,$"{count}.png")
             ))
         {
             count++;
         }
       count--;
        var cmd=FFmpeg.Conversions.New().BuildVideoFromImages(Enumerable.Range(1,count).Select<int,string>(e=>Path.Combine(EPS.ProjectDirectory,"Sections",EPS.Project.CurrentSection,$"{e}.png"))).SetFrameRate(20).SetPixelFormat(PixelFormat.yuv420p).SetOutput(VideoPath);
       
        await cmd.Start();
         Electron.Notification.Show(new ElectronNET.API.Entities.NotificationOptions("TimelapseNow","Video Export Complete"));   
         await Electron.Dialog.ShowMessageBoxAsync("Export Complete");
          }
    
}