using HTEXLib;
using HTEXLib.Builders;
using HTEXLib.DOCX.Models;
using HTEXLib.Helpers.ShapeHelpers;
using HTEXLib.Translator;
using Microsoft.AspNetCore.Hosting;
using Microsoft.AspNetCore.Http;
using Microsoft.AspNetCore.Mvc;
 
using System;
using System.Collections.Generic;
using System.IO;
using System.Linq;
using System.Text;
using System.Text.Json;
using System.Threading.Tasks;

namespace HTEXWeb.Controllers
{
    [ApiController]
    [Route("htex")]
    public class HtexController: ControllerBase
    {
        public PPTX2HTEXTranslator htexGenerator { get; set; }
        public DOXC2HTMLTranslator _DOXC2HTMLTranslator { get; set; }
        public HTML2ITEMTranslator _HTML2ITEMTranslator { get; set; }
        public HTML2IMGSTranslator _HTML2IMGSTranslator { get; set; }
        public HTML2ITEMV2Translator _HTML2ITEMV2Translator { get; set; }
        public HtexController(PPTX2HTEXTranslator htexGenerator, DOXC2HTMLTranslator DOXC2HTMLTranslator, HTML2ITEMTranslator HTML2ITEMTranslator, HTML2IMGSTranslator HTML2IMGSTranslator, HTML2ITEMV2Translator HTML2ITEMV2Translator ,IWebHostEnvironment webHostEnvironment) {
            _DOXC2HTMLTranslator = DOXC2HTMLTranslator;
            _HTML2ITEMTranslator = HTML2ITEMTranslator;
            _HTML2IMGSTranslator = HTML2IMGSTranslator;
            _HTML2ITEMV2Translator = HTML2ITEMV2Translator;
            this.htexGenerator = htexGenerator;
            string path = webHostEnvironment.ContentRootPath + "/Config/LangConfig.json";
            FileStream fs = new FileStream(path, System.IO.FileMode.Open, FileAccess.Read, FileShare.ReadWrite);
            StreamReader sr = new StreamReader(fs, System.Text.Encoding.UTF8);
            string line;
            StringBuilder builder = new StringBuilder();
            while ((line = sr.ReadLine()) != null)
            {
                builder.Append(line.ToString());
            }
            sr.Close();
            string text = builder.ToString();
          //  langConfigs = text.FromJson<List<LangConfig>>();
        }
        [HttpPost("generator")]
        public object Generator([FromForm] IFormFile file)
        {
            return JsonSerializer.Deserialize<JsonElement>(JsonHelper.ToJson(htexGenerator.Translate(file.OpenReadStream()),ignoreNullValue:false));
        }
        /// <summary>
        /// docUrl
        /// folder
        /// shaCode
        /// 
        /// UploadWord
        /// </summary>
        /// <param name="request"></param>
        /// <returns></returns>
        [HttpPost("upload-word")]
        [RequestSizeLimit(102_400_000_00)] //最大10000m左右
        public IActionResult UploadWord([FromForm] IFormFile file)
        {
            var doc = _DOXC2HTMLTranslator.Translate(file.OpenReadStream());
            return Ok(doc);
        }
        /// <summary>
        /// htmlString AnalyzeHtml
        /// </summary>
        /// <param name="request"></param>
        /// <returns></returns>
        [HttpPost("parse-html")]
        public IActionResult AnalyzeHtml(JsonElement request)
        {

            if (!request.TryGetProperty("htmlString", out JsonElement htmlString)) { return BadRequest(); }
            request.TryGetProperty("lang", out JsonElement lang);
            var exercises = _HTML2ITEMV2Translator.Translate(htmlString.GetString(), lang);
            return Ok(exercises);
        }
        /// <summary>
        /// htmlString AnalyzeHtml
        /// </summary>
        /// <param name="request"></param>
        /// <returns></returns>
        [HttpPost("html-screenshot")]
        public IActionResult HtmlScreenshot(JsonElement request)
        {
            request.TryGetProperty("htmlUrl",out JsonElement htmlUrl);
            var base64 = "data:image/png;base64,"+ _HTML2IMGSTranslator.PageScreenshotAll($"{htmlUrl}");
            return Ok(new { base64 });
        }
    }
}