import 'dart:convert';
import 'package:bridge_lib/bridge_lib.dart';

searchManga(MangaModel manga) async {
  final headers = getHeader(manga.baseUrl);
  final url = "${manga.baseUrl}/search?title=${manga.query}&page=${manga.page}";

  final data = {"url": url, "headers": headers};
  final res = await MBridge.http('POST', json.encode(data));
  if (res.isEmpty) {
    return manga;
  }

  manga.names = MBridge.xpath(res, '//*[contains(@class, "manga-list-4-list")]/li/a/@title');
  manga.images =
      MBridge.xpath(res, '//*[contains(@class, "manga-list-4-list")]/li/a/img[@class="manga-list-4-cover"]/@src');
  manga.urls = MBridge.xpath(res, '//*[contains(@class, "manga-list-4-list")]/li/a/@href');
  return manga;
}

getLatestUpdatesManga(MangaModel manga) async {
  final headers = getHeader(manga.baseUrl);
  final url = "${manga.baseUrl}/directory/${manga.page}.htm?latest";

  final data = {"url": url, "headers": headers};
  final res = await MBridge.http('POST', json.encode(data));
  if (res.isEmpty) {
    return manga;
  }

  manga.names = MBridge.xpath(res, '//*[ contains(@class, "manga-list-1-list")]/li/a/@title');
  manga.images =
      MBridge.xpath(res, '//*[ contains(@class, "manga-list-1-list")]/li/a/img[@class="manga-list-1-cover"]/@src');
  manga.urls = MBridge.xpath(res, '//*[ contains(@class, "manga-list-1-list")]/li/a/@href');
  return manga;
}

getMangaDetail(MangaModel manga) async {
  final statusList = [
    {
      "Ongoing": 0,
      "Completed": 1,
    }
  ];
  final headers = getHeader(manga.baseUrl);
  final url = "${manga.baseUrl}/${manga.link}";
  final data = {"url": url, "headers": headers};
  final res = await MBridge.http('GET', json.encode(data));
  if (res.isEmpty) {
    return manga;
  }
  manga.author = MBridge.xpath(res, '//*[@class="detail-info-right-say"]/a/text()').first;
  manga.description = MBridge.xpath(res, '//*[@class="fullcontent"]/text()').first;
  final status = MBridge.xpath(res, '//*[@class="detail-info-right-title-tip"]/text()').first;
  manga.status = MBridge.parseStatus(status, statusList);
  manga.genre = MBridge.xpath(res, '//*[@class="detail-info-right-tag-list"]/a/text()');
  manga.urls = MBridge.xpath(res, '//*[@class="detail-main-list"]/li/a/@href');
  manga.names = MBridge.xpath(res, '//*[@class="detail-main-list"]/li/a/div/p[@class="title3"]/text()');
  final chapterDates = MBridge.xpath(res, '//*[@class="detail-main-list"]/li/a/div/p[@class="title2"]/text()');

  manga.chaptersDateUploads = MBridge.listParseDateTime(chapterDates, manga.dateFormat, manga.dateFormatLocale);
  return manga;
}

getPopularManga(MangaModel manga) async {
  final headers = getHeader(manga.baseUrl);
  final url = "${manga.baseUrl}/directory/${manga.page}.htm";

  final data = {"url": url, "headers": headers};
  final res = await MBridge.http('POST', json.encode(data));
  if (res.isEmpty) {
    return manga;
  }

  manga.names = MBridge.xpath(res, '//*[ contains(@class, "manga-list-1-list")]/li/a/@title');
  manga.images =
      MBridge.xpath(res, '//*[ contains(@class, "manga-list-1-list")]/li/a/img[@class="manga-list-1-cover"]/@src');
  manga.urls = MBridge.xpath(res, '//*[ contains(@class, "manga-list-1-list")]/li/a/@href');
  return manga;
}

getChapterUrl(MangaModel manga) async {
  final headers = getHeader(manga.baseUrl);
  final url = "${manga.baseUrl}${manga.link}";
  final data = {"url": url, "headers": headers};
  final res = await MBridge.http('GET', json.encode(data));
  if (res.isEmpty) {
    return [];
  }
  final pages = MBridge.xpath(res, "//body/div/div/span/a/text()");
  List<String> pageUrls = [];
  if (pages.isEmpty) {
    final script =
        MBridge.xpath(res, "//script[contains(text(),'function(p,a,c,k,e,d)')]/text()").first.replaceAll("eval", "");
    String deobfuscatedScript = MBridge.evalJs(script);
    int a = deobfuscatedScript.indexOf("newImgs=['") + 10;
    int b = deobfuscatedScript.indexOf("'];");
    List<String> urls = MBridge.listParse(deobfuscatedScript.substring(a, b).split("','"), 0);
    for (var url in urls) {
      pageUrls.add("https:$url");
    }
  } else {
    final pagesNumberList = pages;
    int pagesNumber = MBridge.intParse(pagesNumberList[pagesNumberList.length - 2]);
    int secretKeyScriptLocation = res.indexOf("eval(function(p,a,c,k,e,d)");
    int secretKeyScriptEndLocation = res.indexOf("</script>", secretKeyScriptLocation);
    String secretKeyScript = res.substring(secretKeyScriptLocation, secretKeyScriptEndLocation).replaceAll("eval", "");
    String secretKeyDeobfuscatedScript = MBridge.evalJs(secretKeyScript);
    int secretKeyStartLoc = secretKeyDeobfuscatedScript.indexOf("'");
    int secretKeyEndLoc = secretKeyDeobfuscatedScript.indexOf(";");

    String secretKey = secretKeyDeobfuscatedScript.substring(secretKeyStartLoc, secretKeyEndLoc);
    int chapterIdStartLoc = res.indexOf("chapterid");
    String chapterId = res.substring(chapterIdStartLoc + 11, res.indexOf(";", chapterIdStartLoc));
    String pageBase = url.substring(0, url.lastIndexOf("/"));
    for (int i = 1; i <= pagesNumber; i++) {
      String pageLink = "$pageBase/chapterfun.ashx?cid=$chapterId&page=$i&key=$secretKey";
      String responseText = MBridge.stringParse("", 0);
      for (int tr = 1; tr <= 3; tr++) {
        if (responseText.isEmpty) {
          final headers = {
            "Referer": url,
            "Accept": "*/*",
            "Accept-Language": "en-US,en;q=0.9",
            "Connection": "keep-alive",
            "Host": "www.mangahere.cc",
            "X-Requested-With": "XMLHttpRequest"
          };
          final data = {"url": pageLink, "headers": headers};
          final response = await MBridge.http('GET', json.encode(data));
          responseText = MBridge.stringParse(response, 0);

          if (responseText.isEmpty) {
            secretKey = "";
          }
        }
      }
      String deobfuscatedScript = MBridge.evalJs(responseText.replaceAll("eval", ""));

      int baseLinkStartPos = deobfuscatedScript.indexOf("pix=") + 5;
      int baseLinkEndPos = deobfuscatedScript.indexOf(";", baseLinkStartPos) - 1;
      String baseLink = deobfuscatedScript.substring(baseLinkStartPos, baseLinkEndPos);

      int imageLinkStartPos = deobfuscatedScript.indexOf("pvalue=") + 9;
      int imageLinkEndPos = deobfuscatedScript.indexOf("\"", imageLinkStartPos);
      String imageLink = deobfuscatedScript.substring(imageLinkStartPos, imageLinkEndPos);
      pageUrls.add("https:$baseLink$imageLink");
    }
  }

  return pageUrls;
}

Map<String, String> getHeader(String url) {
  final headers = {'Referer': '$url/', "Cookie": "isAdult=1"};
  return headers;
}