using System;
using System.Collections.Generic;
using System.Drawing;
using System.Globalization;
using System.IO;
using System.IO.Compression;
using System.Linq;
using System.Text;
using System.Text.Json;
using System.Runtime.Versioning;
using Aspose.Slides;
using Aspose.Slides.Charts;
using Aspose.Slides.DOM.Ole;
using Aspose.Slides.Export;

[SupportedOSPlatform("windows")]
internal static class Program
{

    private sealed record TextItem(string Shape,string Text);
    private sealed record SlideText(int Number,bool Hidden,TextItem[] Text,string Notes);
    private static SlideText[] Extract(Presentation p,bool includeHidden)
    {return p.Slides.Cast<ISlide>().Select((s,i)=>(s,i)).Where(x=>includeHidden||!x.s.Hidden).Select(x=>new SlideText(x.i+1,x.s.Hidden,Example.Walk(x.s.Shapes).OfType<IAutoShape>().Select(s=>new TextItem(s.Name,s.TextFrame.Text)).ToArray(),x.s.NotesSlideManager.NotesSlide?.NotesTextFrame.Text??"")).ToArray();}
    private static void Main()
    {
        Example.Setup();using(var p=new Presentation())
        {var slide=p.Slides[0];Example.Text(slide.Shapes,"Title","Résumé – 東京");var group=slide.Shapes.AddGroupShape();Example.Text(group.Shapes,"Group text","Grouped α");var nested=group.Shapes.AddGroupShape();Example.Text(nested.Shapes,"Nested text","Nested β");Example.Text(slide.Shapes,"Empty","");slide.NotesSlideManager.AddNotesSlide().NotesTextFrame.Text="Speaker notes ✓";
         var hidden=p.Slides.AddEmptySlide(p.LayoutSlides[0]);hidden.Hidden=true;Example.Text(hidden.Shapes,"Hidden text","Hidden slide");p.Save("output/input.pptx",SaveFormat.Pptx);}
        using var input=new Presentation("output/input.pptx");var all=Extract(input,true);var visible=Extract(input,false);
        Example.Json("output/text.json",new{presentation=Example.HashFile("output/input.pptx"),include_hidden=true,slides=all});
        Example.Require(all.Length==2 && visible.Length==1 && all[1].Number==2,"Slide number/hidden policy differs.");
        Example.Require(all[0].Text.Any(x=>x.Text=="Résumé – 東京")&&all[0].Text.Any(x=>x.Text=="Nested β")&&all[0].Text.Any(x=>x.Text==""),"Unicode/group/empty text lost.");
        Example.Require(all[0].Notes.Contains("Speaker notes ✓"),"Notes lost.");Example.Result(new{slides_including_hidden=2,visible_slides=1,unicode_groups_empty_and_notes_checked=true,one_based_numbering=true});
    }

}