using DocumentFormat.OpenXml.Presentation;
using HTEXLib.Animations;
using HTEXLib.Helpers.ShapeHelpers;
using HTEXLib.Models;
using HTEXLib.Models.HTEX;
using Newtonsoft.Json.Linq;
using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Text.Json;
using System.Text.RegularExpressions;

namespace HTEXLib.Controller
{
    public class  HtexController
    {
        private readonly int _numberOfSlides;
        private readonly int _allSlidesCount;
        private readonly int _slideIndex;
        // private readonly string _fileName;
        // private readonly string _baseFileName;
        // private readonly string _filePath;
        /// <summary>
        /// string SC = ".SC {height: " + SlideHeight + "px; width: " + SlideWidth + "px; display: none;}";
        /// </summary>
        private dynamic SC { get; set; }
        /// <summary>
        ///   string DC = ".DC1 {top: 0px; left: 0px; height: 100%; width: 100%; opacity: 1; }";
        /// </summary>
        private dynamic DC1 { get; set; }
        /// <summary>
        ///  string DC0 = ".DC0 {top: 0px; left: 0px; height: 100%; width: 100%; opacity: 0;}";
        /// </summary>
        private dynamic DC0 { get; set; }
        /// <summary>
        /// var gv = {w: 0,h: 0,t: 1,a: " +   "'" + this._fileName + "'" + ",v: 0,sh:" + SlideHeight + ",sw:" + SlideWidth + ",s: 0,i:" + numbers +  ",f:1,r:1};
        /// </summary>
        private dynamic gv { get; set; }
        //  private readonly StringBuilder _htmlPart;
        private List<Item> htexElements;
        private readonly PPTSlide _mSlide;
        private const string JS_DIR_NAME = "temp";
        public double SlideWidth { get; set; }
        public double SlideHeight { get; set; }
        public HtexController(PPTSlide aSlide, int slideCounter, int slidesNumber)
        {
            
            this._mSlide = aSlide;
            _numberOfSlides = 1;
            _allSlidesCount = slidesNumber;
            _slideIndex = slideCounter;
            this.htexElements = new List<Item>();
            
        }

        public Slide GenerateHtex() {
            this.GenerateHeader();
            Slide slide= this.GenerateBody();
            return slide;
        }
        private void GenerateHeader()
        {
            int[] numbers = DynamicHeaderJSPart();
            AppendHeader(numbers);
        }


        private int [] DynamicHeaderJSPart()
        {
            if (_numberOfSlides == 1)
            {
                return new int[] { 0, 1, 1 }  ;
            }
            else
            {
                int count = 0;
                List<int> arr = new List<int>();
                StringBuilder numbers = new StringBuilder();
                numbers.Append("[");
                while (count <= _numberOfSlides - 1)
                {
                    arr.Add(count);
                    numbers.Append(count.ToString());
                    numbers.Append(",");
                    count++;
                }
                numbers.Append(count);
                arr.Add(count);
                int length = numbers.ToString().Length;
                string outputString = numbers.ToString().Remove(length - 1, 1);
                arr.Add(int.Parse(outputString));
                //return outputString + "]";
                return arr.ToArray();
            }
        }
        private void AppendHeader(int[] numbers) {
            SC = new { 
                height =SlideHeight, 
                width =SlideWidth,
                display="none"
            };
            DC1 = new {
                top = 0,
                left = 0,
                height= "100%",
                width = "100%",
                opacity=1
            }; 
            DC0 = new
            {
                top = 0,
                left = 0,
                height = "100%",
                width = "100%",
                opacity = 0
            };
            gv = new
            {
                w = 0,
                h = 0,
                t= 1,
                v=0,
                sh=SlideHeight,
                sw=SlideWidth,
                s=0,
                i= numbers,
                f=1,
                r=1
            };
        }
        private Slide GenerateBody() {
            ///当页 动画p:timing  presetID代表 动画类型 presetClass是进入，强调，还是退出，还是路径方式
            ///tgtEl 子类型 
            ///inkTgt （墨迹目标）	§19.5.47
            ///sldTgt （幻灯片目标）	§19.5.67
            ///sndTgt （声音目标）	§19.5.70
            ///spTgt （形状目标）	§19.5.72
            ///p:spTgt spid  绑定的sp 
            ///AppendPlayer
            int netxPage = _slideIndex >= _allSlidesCount ? _slideIndex : _slideIndex + 1;
            int prevPage = _slideIndex >= _allSlidesCount ? _slideIndex : _slideIndex - 1;
            Slide slide=  DynamicBodyPart();
            if (slide != null) {
                slide.netxPage = netxPage;
                slide.prevPage = prevPage;
            }
            return slide;

        }
        private Slide DynamicBodyPart()
        {
            if (_numberOfSlides != 0)
            {
                ////foreach (PPTSlide pptSlide in _mSlides)
                ////{
                ///string dirpath = Path.Combine(_filePath, _fileName);
                HtexSlide htexSlide = new HtexSlide(_mSlide, _mSlide.slideIndex)
                {
                    ContainerShape = _mSlide.ContainerShape,

                };
                string anima = new JSONGenerator(_mSlide).GetAnimaVariable();
                //if (_mSlide.slideIndex == 27) {
                //}
              
                Slide slide = new Slide();
                //string jsonStro = anima.Replace("，", ",").Replace("'","");
                //object res = JsonHelper.ConvertJsonStr(jsonStro);
                //string s = res.ToString();
                //var m = Regex.Match(s, "\"[0-9]{1,}\"");
                //while (m.Success)
                //{
                //    string testInfo = m.Value;
                //    string newStr = testInfo.Replace("\"", "");
                //    s = s.Replace(testInfo, newStr);
                //    m = m.NextMatch();
                //}
                //JToken token=JsonHelper. FromJson<JToken>(s);
                //slide.animations = token;


                var Animations = _mSlide.Animations;
                if (Animations != null) {
                    slide.animations = Animations;
                }
                Background background = _mSlide.background;
                if (background != null)
                {
                    slide.fill = PPTXHelper.DoBackgroundProperties(background.BackgroundProperties, _mSlide,_mSlide.backgroundFrom);
                };
                htexElements.AddRange(htexSlide.DrawElement());



                List<Group> newGroup = new List<Group>();
                //处理组合图形在Wpf不能多层嵌套

                int len = htexElements.Count;
                for (int i =0;i<len;i++)
                {
                    if (htexElements[i] is Group group)
                    {
                        doGroup(group, newGroup);
                        newGroup.Remove(newGroup.First());
                        group.shapes.AddRange(newGroup);
                    }
                }
                slide.item = htexElements;
                return slide;
            }
            else { return null; }
        }
        public void doGroup(Group group, List<Group> newGroup)
        {
            if (group != null && group.shapes != null && group.shapes.Count > 0)
            {
                newGroup.Add(group);
                int len = group.shapes.Count;
                List<Item> groups = new List<Item>();
                for(int i= 0; i < len;i++ ){
                    if (group.shapes[i] is Group gp)
                    {
                        doGroup(gp, newGroup);
                        groups.Add(group.shapes[i]);
                    }
                }
                foreach (var ag in groups) {
                    group.shapes.Remove(ag);
                }
            }
        }

    }
}