import 'package:bluebubbles/database/models.dart' hide Entity;
import 'package:emojis/emojis.dart';
import 'package:flutter/foundation.dart';

class ReactionTypes {
  // ignore: non_constant_identifier_names
  static const String LOVE = "love";
  // ignore: non_constant_identifier_names
  static const String LIKE = "like";
  // ignore: non_constant_identifier_names
  static const String DISLIKE = "dislike";
  // ignore: non_constant_identifier_names
  static const String LAUGH = "laugh";
  // ignore: non_constant_identifier_names
  static const String EMPHASIZE = "emphasize";
  // ignore: non_constant_identifier_names
  static const String QUESTION = "question";

  static List<String> toList() {
    return [
      LOVE,
      LIKE,
      DISLIKE,
      LAUGH,
      EMPHASIZE,
      QUESTION,
    ];
  }

  static final Map<String, String> reactionToVerb = {
    LOVE: "loved",
    LIKE: "liked",
    DISLIKE: "disliked",
    LAUGH: "laughed at",
    EMPHASIZE: "emphasized",
    QUESTION: "questioned",
    "-$LOVE": "removed a heart from",
    "-$LIKE": "removed a like from",
    "-$DISLIKE": "removed a dislike from",
    "-$LAUGH": "removed a laugh from",
    "-$EMPHASIZE": "removed an exclamation from",
    "-$QUESTION": "removed a question mark from",
  };

  static final Map<String, String> reactionToEmoji = {
    LOVE: Emojis.redHeart,
    LIKE: Emojis.thumbsUp,
    DISLIKE: Emojis.thumbsDown,
    LAUGH: Emojis.faceWithTearsOfJoy,
    EMPHASIZE: Emojis.redExclamationMark,
    QUESTION: Emojis.redQuestionMark,
  };

  static final Map<String, String> emojiToReaction = {
    Emojis.redHeart: LOVE,
    Emojis.thumbsUp: LIKE,
    Emojis.thumbsDown: DISLIKE,
    Emojis.faceWithTearsOfJoy: LAUGH,
    Emojis.redExclamationMark: EMPHASIZE,
    Emojis.redQuestionMark: QUESTION,
  };
}

List<Message> getUniqueReactionMessages(List<Message> messages) {
  List<int> handleCache = [];
  List<Message> output = [];
  // Sort the messages, putting the latest at the top
  final ids = messages.map((e) => e.guid).toSet();
  messages.retainWhere((element) => ids.remove(element.guid));
  messages.sort(Message.sort);
  // Iterate over the messages and insert the latest reaction for each user
  for (Message msg in messages) {
    int cache = msg.isFromMe! ? 0 : msg.handleId ?? 0;
    if (!handleCache.contains(cache) && !kIsWeb) {
      handleCache.add(cache);
      // Only add the reaction if it's not a "negative"
      if (!msg.associatedMessageType!.startsWith("-")) {
        output.add(msg);
      }
    } else if (kIsWeb && !msg.associatedMessageType!.startsWith("-")) {
      output.add(msg);
    }
  }

  return output;
}