import '../common.dart';
import '../objects.dart';

class TableNames {
  static const String entry = 'JMdict_Entry';
  static const String entryByKana = 'JMdict_EntryByKana';
  static const String entryByEnglish = 'JMdict_EntryByEnglish';
  static const String kanjiElement = 'JMdict_KanjiElement';
  static const String kanjiInfo = 'JMdict_KanjiElementInfo';
  static const String readingElement = 'JMdict_ReadingElement';
  static const String readingInfo = 'JMdict_ReadingElementInfo';
  static const String readingRestriction = 'JMdict_ReadingElementRestriction';
  static const String sense = 'JMdict_Sense';
  static const String senseAntonyms = 'JMdict_SenseAntonym';
  static const String senseDialect = 'JMdict_SenseDialect';
  static const String senseField = 'JMdict_SenseField';
  static const String senseGlossary = 'JMdict_SenseGlossary';
  static const String senseInfo = 'JMdict_SenseInfo';
  static const String senseLanguageSource = 'JMdict_SenseLanguageSource';
  static const String senseMisc = 'JMdict_SenseMisc';
  static const String sensePOS = 'JMdict_SensePOS';
  static const String senseRestrictedToKanji = 'JMdict_SenseRestrictedToKanji';
  static const String senseRestrictedToReading = 'JMdict_SenseRestrictedToReading';
  static const String senseSeeAlso = 'JMdict_SenseSeeAlso';
}

abstract class Element extends SQLWritable {
  final String reading;
  final int? news;
  final int? ichi;
  final int? spec;
  final int? gai;
  final int? nf;
  const Element({
    required this.reading,
    this.news,
    this.ichi,
    this.spec,
    this.gai,
    this.nf,
  });

  Map<String, Object?> get sqlValue => {
        'reading': reading,
        'news': news,
        'ichi': ichi,
        'spec': spec,
        'gai': gai,
        'nf': nf,
      };
}

class KanjiElement extends Element {
  List<String> info;

  KanjiElement({
    this.info = const [],
    required String reading,
    int? news,
    int? ichi,
    int? spec,
    int? gai,
    int? nf,
  }) : super(
          reading: reading,
          news: news,
          ichi: ichi,
          spec: spec,
          gai: gai,
          nf: nf,
        );
}

class ReadingElement extends Element {
  List<String> info;
  List<String> restrictions;

  ReadingElement({
    this.info = const [],
    this.restrictions = const [],
    required String reading,
    int? news,
    int? ichi,
    int? spec,
    int? gai,
    int? nf,
  }) : super(
          reading: reading,
          news: news,
          ichi: ichi,
          spec: spec,
          gai: gai,
          nf: nf,
        );
}

class LanguageSource extends SQLWritable {
  final String language;
  final String? phrase;
  final bool fullyDescribesSense;
  final bool constructedFromSmallerWords;

  const LanguageSource({
    required this.language,
    this.phrase,
    this.fullyDescribesSense = true,
    this.constructedFromSmallerWords = false,
  });

  @override
  Map<String, Object?> get sqlValue => {
        'language': language,
        'phrase': phrase,
        'fullyDescribesSense': fullyDescribesSense,
        'constructedFromSmallerWords': constructedFromSmallerWords,
      };
}

class Glossary extends SQLWritable {
  final String language;
  final String phrase;
  final String? type;

  const Glossary({
    required this.language,
    required this.phrase,
    this.type,
  });

  Map<String, Object?> get sqlValue => {
        'language': language,
        'phrase': phrase,
        'type': type,
      };
}

final kanaRegex =
    RegExp(r'^[\p{Script=Katakana}\p{Script=Hiragana}ー]+$', unicode: true);

class XRefParts {
  final String? kanjiRef;
  final String? readingRef;
  final int? senseNum;

  const XRefParts({
    this.kanjiRef,
    this.readingRef,
    this.senseNum,
  }) : assert(kanjiRef != null || readingRef != null);

  factory XRefParts.fromString(String s) {
    final parts = s.split('・');
    if (parts.length == 1) {
      if (parts[0].contains(kanaRegex)) {
        return XRefParts(readingRef: parts[0]);
      }
      return XRefParts(kanjiRef: parts[0]);
    } else if (parts.length == 2) {
      if (int.tryParse(parts[1]) != null) {
        if (parts[0].contains(kanaRegex)) {
          return XRefParts(readingRef: parts[0], senseNum: int.parse(parts[1]));
        }
        return XRefParts(kanjiRef: parts[0], senseNum: int.parse(parts[1]));
      }
      return XRefParts(kanjiRef: parts[0], readingRef: parts[1]);
    } else if (parts.length == 3) {
      return XRefParts(
        kanjiRef: parts[0],
        readingRef: parts[1],
        senseNum: int.parse(parts[2]),
      );
    }

    return XRefParts();
  }
}

class XRef {
  final String entryId;
  final String reading;

  const XRef({
    required this.entryId,
    required this.reading,
  });
}

class Sense extends SQLWritable {
  final int id;
  final List<XRefParts> antonyms;
  final List<String> dialects;
  final List<String> fields;
  final List<String> info;
  final List<LanguageSource> languageSource;
  final List<Glossary> glossary;
  final List<String> misc;
  final List<String> pos;
  final List<String> restrictedToKanji;
  final List<String> restrictedToReading;
  final List<XRefParts> seeAlso;

  const Sense({
    required this.id,
    this.antonyms = const [],
    this.dialects = const [],
    this.fields = const [],
    this.info = const [],
    this.languageSource = const [],
    this.glossary = const [],
    this.misc = const [],
    this.pos = const [],
    this.restrictedToKanji = const [],
    this.restrictedToReading = const [],
    this.seeAlso = const [],
  });

  @override
  Map<String, Object?> get sqlValue => {};
}

class Entry extends SQLWritable {
  final int id;
  final List<KanjiElement> kanji;
  final List<ReadingElement> readings;
  final List<Sense> senses;

  const Entry({
    required this.id,
    required this.kanji,
    required this.readings,
    required this.senses,
  });

  Map<String, Object?> get sqlValue => {'id': id};
}