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

String getMDXContentRating() {
  String ctnRating = MBridge.stringParse(
      "&contentRating[]=suggestive&contentRating[]=safe&contentRating[]=erotica&contentRating[]=pornographic");
  return ctnRating;
}

getPopularManga(MangaModel manga) async {
  int page = (20 * (manga.page - 1));
  final url =
      "https://api.mangadex.org/manga?limit=20&offset=$page&availableTranslatedLanguage[]=en&includes[]=cover_art${getMDXContentRating()}&order[followedCount]=desc";
  final datas = {"url": url, "headers": null};
  final res = await MBridge.http(json.encode(datas), 0);
  if (res.isEmpty) {
    return manga;
  }

  List<String> data = MBridge.listParse(
      MBridge.jsonPathToString(res, r'$.data[*]', '_.').split("_."), 0);
  List<String> urlList = [];
  List<String> titleList = [];
  List<String> imageList = [];
  for (var i = 0; i < data.length; i++) {
    final expressionId =
        MBridge.regExp(r'$.data[a].id', r'\[a\]', "[$i]", 0, 1);
    final id = MBridge.jsonPathToString(res, expressionId, '_.');
    titleList.add(findTitle(res, i, manga.lang));
    urlList.add("/manga/$id");
    imageList.add(getCover(res, i, id));
  }
  manga.names = titleList;
  manga.urls = urlList;
  manga.images = imageList;
  return manga;
}

MangaModel getChapters(
    MangaModel manga, int length, String paginatedChapterListA) {
  String scanlators = MBridge.stringParse("");
  String chapNames = MBridge.stringParse("");
  String chapDate = MBridge.stringParse("");
  String chapterUrl = MBridge.stringParse("");
  String paginatedChapterList = MBridge.stringParse(paginatedChapterListA);
  final dataList = MBridge.jsonPathToList(paginatedChapterList, r'$.data[*]',0);
  for (var res in dataList) {
    String scan = MBridge.stringParse("");
    final groups = MBridge.jsonPathToList(
        res, r'$.relationships[?@.id!="00e03853-1b96-4f41-9542-c71b8692033b"]',0);
    String chapName = MBridge.stringParse("");
    for (var element in groups) {
      final data = MBridge.getMapValue(element, "attributes", 1);
      if (data.isEmpty) {
      } else {
        final name = MBridge.getMapValue(data, "name", 0);
        scan += MBridge.stringParse("$name");
        final username = MBridge.getMapValue(data, "username", 0);
        if (username.isEmpty) {
        } else {
          if (scan.isEmpty) {
            scan += MBridge.stringParse("Uploaded by $username");
          }
        }
      }
    }
    if (scan.isEmpty) {
      scan = MBridge.stringParse("No Group");
    }
    final dataRes = MBridge.getMapValue(res, "attributes", 1);
    if (dataRes.isEmpty) {
    } else {
      final data = MBridge.getMapValue(res, "attributes", 1);
      final volume = MBridge.getMapValue(data, "volume", 0);
      if (volume.isEmpty) {
      } else {
        if (volume == "null") {
        } else {
          chapName = MBridge.stringParse("Vol.$volume ");
        }
      }
      final chapter = MBridge.getMapValue(data, "chapter", 0);
      if (chapter.isEmpty) {
      } else {
        if (chapter == "null") {
        } else {
          chapName += MBridge.stringParse("Ch.$chapter ");
        }
      }
      final title = MBridge.getMapValue(data, "title", 0);
      if (title.isEmpty) {
      } else {
        if (title == "null") {
        } else {
          if (chapName.isEmpty) {
          } else {
            chapName += MBridge.stringParse("- ");
          }
          chapName += MBridge.stringParse("$title");
        }
      }
      if (chapName.isEmpty) {
        chapName += MBridge.stringParse("Oneshot");
      }
      final date = MBridge.getMapValue(data, "publishAt", 0);
      final id = MBridge.getMapValue(res, "id", 0);
      chapterUrl += "._$id";
      chapDate += "._._$date";
      scanlators += "._$scan";
      chapNames += "._$chapName";
    }
  }
  manga.chaptersDateUploads = MBridge.listParseDateTime(
      chapDate.split("._._"), "yyyy-MM-dd'T'HH:mm:ss+SSS", "en_US");

  manga.urls = chapterUrl.split("._");
  manga.chaptersScanlators = scanlators.split("._");
  manga.names = chapNames.split("._");
  return manga;
}

getMangaDetail(MangaModel manga) async {
  final statusList = [
    {
      "ongoing": 0,
      "completed": 1,
      "hiatus": 2,
      "cancelled": 3,
    }
  ];
  final url =
      "https://api.mangadex.org${manga.link}?includes[]=cover_art&includes[]=author&includes[]=artist";
  final datas = {"url": url, "headers": null};
  final res = await MBridge.http(json.encode(datas), 0);
  if (res.isEmpty) {
    return manga;
  }

  manga.author = MBridge.jsonPathToString(
      res, r'$..data.relationships[*].attributes.name', ', ');

  String expressionDescriptionA = r'$..data.attributes.description.en';
  String expressionDescription = MBridge.regExp(
      r'$..data.attributes.description[a]', r'\[a\]', ".${manga.lang}", 0, 1);

  String description = MBridge.jsonPathToString(res, expressionDescription, '');
  if (description.isEmpty) {
    description = MBridge.jsonPathToString(res, expressionDescriptionA, '');
  }
  manga.description = description;
  List<String> genres = [];

  final genre = MBridge.listParse(
      MBridge.jsonPathToString(
              res, r'$..data.attributes.tags[*].attributes.name.en', '.-')
          .split('.-'),
      0);
  genres = genre;
  String contentRating =
      MBridge.jsonPathToString(res, r'$..data.attributes.contentRating', '');
  if (contentRating == "safe") {
  } else {
    genres.add(contentRating);
  }
  String publicationDemographic = MBridge.jsonPathToString(
      res, r'$..data.attributes.publicationDemographic', '');
  if (publicationDemographic == "null") {
  } else {
    genres.add(publicationDemographic);
  }
  manga.genre = genres;
  String statusRes =
      MBridge.jsonPathToString(res, r'$..data.attributes.status', '');
  manga.status = MBridge.parseStatus(statusRes, statusList);
  final mangaId = MBridge.listParse(manga.link.split('/'), 2)[0];
  final paginatedChapterList =
      await paginatedChapterListRequest(mangaId, 0, manga.lang);
  final chapterList =
      MBridge.jsonPathToString(paginatedChapterList, r'$.data[*]', '_.')
          .split('_.');
  int limit = MBridge.intParse(
      MBridge.jsonPathToString(paginatedChapterList, r'$.limit', ''));
  int offset = MBridge.intParse(
      MBridge.jsonPathToString(paginatedChapterList, r'$.offset', ''));
  int total = MBridge.intParse(
      MBridge.jsonPathToString(paginatedChapterList, r'$.total', ''));
  List<MangaModel> chapterListA = [];
  List<String> chapNames = [];
  List<String> scanlators = [];
  List<String> chapterUrl = [];
  List<String> chapterDate = [];

  final list = getChapters(
      manga, MBridge.intParse("${chapterList.length}"), paginatedChapterList);

  chapterListA.add(list);
  var hasMoreResults = (limit + offset) < total;
  while (hasMoreResults) {
    offset += limit;
    var newRequest =
        await paginatedChapterListRequest(mangaId, offset, manga.lang);
    int total =
        MBridge.intParse(MBridge.jsonPathToString(newRequest, r'$.total', ''));
    final chapterList =
        MBridge.jsonPathToString(paginatedChapterList, r'$.data[*]', '_.')
            .split('_.');
    final list = getChapters(
        manga, MBridge.intParse("${chapterList.length}"), newRequest);
    chapterListA.add(list);
    hasMoreResults = (limit + offset) < total;
  }
  for (var element in chapterListA) {
    for (var name in element.names) {
      if (name.isEmpty) {
      } else {
        chapNames.add(name);
      }
    }
  }
  for (var element in chapterListA) {
    for (var url in element.urls) {
      if (url.isEmpty) {
      } else {
        chapterUrl.add(url);
      }
    }
  }
  for (var element in chapterListA) {
    for (var chapDate in element.chaptersDateUploads) {
      if (chapDate.isEmpty) {
      } else {
        chapterDate.add(chapDate);
      }
    }
  }
  for (var element in chapterListA) {
    for (var scanlator in element.chaptersScanlators) {
      if (scanlator.isEmpty) {
      } else {
        scanlators.add(scanlator);
      }
    }
  }
  manga.urls = chapterUrl;
  manga.chaptersDateUploads = chapterDate;
  manga.chaptersScanlators = scanlators;
  manga.names = chapNames;
  return manga;
}

getLatestUpdatesManga(MangaModel manga) async {
  int page = (20 * (manga.page - 1));
  final urll =
      "https://api.mangadex.org/chapter?limit=20&offset=$page&translatedLanguage[]=${manga.lang}&includeFutureUpdates=0&order[publishAt]=desc&includeFuturePublishAt=0&includeEmptyPages=0";
  final datas = {"url": urll, "headers": null};
  final ress = await MBridge.http(json.encode(datas), 0);
  if (ress.isEmpty) {
    return manga;
  }
  final mangaIds = MBridge.listParse(
      MBridge.jsonPathToString(ress, r'$.data[*].relationships[*].id', '.--')
          .split('.--'),
      3);
  String mangaa = MBridge.stringParse("");
  for (var id in mangaIds) {
    mangaa += "&ids[]=$id";
  }
  final newUrl =
      "https://api.mangadex.org/manga?includes[]=cover_art&limit=${mangaIds.length}${getMDXContentRating()}$mangaa";
  final datass = {"url": newUrl, "headers": null};
  final res = await MBridge.http(json.encode(datass), 0);
  List<String> data = MBridge.listParse(
      MBridge.jsonPathToString(res, r'$.data[*]', '_.').split("_."), 0);
  List<String> urlList = [];
  List<String> titleList = [];
  List<String> imageList = [];
  for (var i = 0; i < data.length; i++) {
    final expressionId =
        MBridge.regExp(r'$.data[a].id', r'\[a\]', "[$i]", 0, 1);
    final id = MBridge.jsonPathToString(res, expressionId, '_.');
    titleList.add(findTitle(res, i, manga.lang));
    urlList.add("/manga/$id");
    imageList.add(getCover(res, i, id));
  }
  manga.names = titleList;
  manga.urls = urlList;
  manga.images = imageList;
  return manga;
}

searchManga(MangaModel manga) async {
  final url =
      "https://api.mangadex.org/manga?includes[]=cover_art&offset=0&limit=20&title=${manga.query}${getMDXContentRating()}&order[followedCount]=desc&availableTranslatedLanguage[]=${manga.lang}";
  final datas = {"url": url, "headers": null};
  final res = await MBridge.http(json.encode(datas), 0);
  if (res.isEmpty) {
    return manga;
  }
  List<String> data = MBridge.listParse(
      MBridge.jsonPathToString(res, r'$.data[*]', '_.').split("_."), 0);
  List<String> urlList = [];
  List<String> titleList = [];
  List<String> imageList = [];
  for (var i = 0; i < data.length; i++) {
    final expressionId =
        MBridge.regExp(r'$.data[a].id', r'\[a\]', "[$i]", 0, 1);
    final id = MBridge.jsonPathToString(res, expressionId, '_.');
    titleList.add(findTitle(res, i, manga.lang));
    urlList.add("/manga/$id");
    imageList.add(getCover(res, i, id));
  }
  manga.names = titleList;
  manga.urls = urlList;
  manga.images = imageList;
  return manga;
}

getChapterUrl(MangaModel manga) async {
  final url = "https://api.mangadex.org/at-home/server/${manga.link}";
  final data = {"url": url, "headers": null};
  final res = await MBridge.http(json.encode(data), 0);
  if (res.isEmpty) {
    return [];
  }
  final host = MBridge.jsonPathToString(res, r'$.baseUrl', '');
  final hash = MBridge.jsonPathToString(res, r'$.chapter.hash', '');
  List<String> pageSuffix = [];
  List<String> pageUrls = [];
  List<String> chapterDatas = MBridge.listParse(
      MBridge.jsonPathToString(res, r'$.chapter.data[*]', '.--').split('.--'),
      0);
  for (var d in chapterDatas) {
    pageSuffix.add("/data/$hash/$d");
  }
  for (var url in pageSuffix) {
    pageUrls.add("$host$url");
  }

  return pageUrls;
}

Future<String> paginatedChapterListRequest(
    String mangaId, int offset, String lang) async {
  final url =
      'https://api.mangadex.org/manga/$mangaId/feed?limit=500&offset=$offset&includes[]=user&includes[]=scanlation_group&order[volume]=desc&order[chapter]=desc&translatedLanguage[]=$lang&includeFuturePublishAt=0&includeEmptyPages=0${getMDXContentRating()}';
  final datas = {"url": url, "headers": null};
  return await MBridge.http(json.encode(datas), 0);
}

String findTitle(String dataRes, int mangaIndex, String lang) {
  String expressionAltTitlesA = MBridge.regExp(
      r'$.data[a].attributes.altTitles[b]', r'\[a\]', "[$mangaIndex]", 0, 1);
  String expressionAltTitles =
      MBridge.regExp(expressionAltTitlesA, r'\[b\]', "[*].$lang", 0, 1);

  String altTitles =
      MBridge.jsonPathToString(dataRes, expressionAltTitles, '_.');

  if (altTitles.isEmpty) {
    expressionAltTitles = MBridge.regExp(
        r'$.data[a].attributes.altTitles[?@.en].en',
        r'\[a\]',
        "[$mangaIndex]",
        0,
        1);
    altTitles = MBridge.jsonPathToString(dataRes, expressionAltTitles, '_.');
  }
  List<String> dataAltTitles = MBridge.listParse(altTitles.split('_.'), 0);
  final expressionTitle = MBridge.regExp(
      r'$.data[a].attributes.title.en', r'\[a\]', "[$mangaIndex]", 0, 1);
  final title = MBridge.jsonPathToString(dataRes, expressionTitle, '_.');
  if (title.isEmpty) {
    return dataAltTitles[0];
  } else {
    return title;
  }
}

String getCover(String dataRes, int mangaIndex, String mangaId) {
  final expressionRelationAll = MBridge.regExp(
      r'$.data[a].relationships[*]', r'\[a\]', "[$mangaIndex]", 0, 1);
  List<String> relationDatas = MBridge.listParse(
      MBridge.jsonPathToString(dataRes, expressionRelationAll, '_.')
          .split("_."),
      0);
  String coverFileName = MBridge.stringParse("");
  for (var j = 0; j < relationDatas.length; j++) {
    final expressionData = MBridge.regExp(
        r'$.data[a].relationships[b]', r'\[a\]', "[$mangaIndex]", 0, 1);
    final expressionRelationType =
        MBridge.regExp(expressionData, r'\[b\]', "[$j].type", 0, 1);
    final relationType =
        MBridge.jsonPathToString(dataRes, expressionRelationType, '');
    if (relationType == "cover_art") {
      if (coverFileName.isEmpty) {
        final expressionRelationCoverFile = MBridge.regExp(
            expressionData, r'\[b\]', "[$j].attributes.fileName", 0, 1);
        coverFileName =
            MBridge.jsonPathToString(dataRes, expressionRelationCoverFile, '');

        coverFileName =
            "https://uploads.mangadex.org/covers/$mangaId/$coverFileName";
      }
    }
  }
  return coverFileName;
}