import 'package:flutter/material.dart';
import 'package:localstore/localstore.dart';

class RoomVisibility {
  final int type;
  const RoomVisibility(this.type);

  static RoomVisibility get private {
    return const RoomVisibility(0);
  }

  static RoomVisibility get local {
    return const RoomVisibility(1);
  }

  static RoomVisibility get public {
    return const RoomVisibility(2);
  }

  IconData get icon {
    if (type == 2) {
      return Icons.public;
    } else if (type == 1) {
      return Icons.home;
    }

    return Icons.lock;
  }

  String get text {
    if (type == 2) {
      return "Global";
    } else if (type == 1) {
      return "Local";
    }

    return "Private";
  }

  static List<RoomVisibility> list() {
    return [
      RoomVisibility.private,
      RoomVisibility.local,
      RoomVisibility.public,
    ];
  }
}

class RoomIcon {
  final String type;
  RoomIcon({required this.type});

  static RoomIcon get love {
    return RoomIcon(type: "Love");
  }

  static RoomIcon get sports {
    return RoomIcon(type: "Sports");
  }

  static RoomIcon get pets {
    return RoomIcon(type: "Pets");
  }

  static RoomIcon get vacation {
    return RoomIcon(type: "Vacation");
  }

  static RoomIcon get gifts {
    return RoomIcon(type: "Gifts");
  }

  static RoomIcon get groceries {
    return RoomIcon(type: "Groceries");
  }

  static RoomIcon get fashion {
    return RoomIcon(type: "Fashion");
  }

  static RoomIcon get art {
    return RoomIcon(type: "Art");
  }

  static RoomIcon get tech {
    return RoomIcon(type: "Tech");
  }

  static RoomIcon get home {
    return RoomIcon(type: "Home");
  }

  static RoomIcon get family {
    return RoomIcon(type: "Family");
  }

  static RoomIcon get social {
    return RoomIcon(type: "Social");
  }

  static RoomIcon get other {
    return RoomIcon(type: "Other");
  }

  static List<RoomIcon> list() {
    return [
      RoomIcon.love,
      RoomIcon.sports,
      RoomIcon.pets,
      RoomIcon.vacation,
      RoomIcon.gifts,
      RoomIcon.groceries,
      RoomIcon.fashion,
      RoomIcon.art,
      RoomIcon.tech,
      RoomIcon.home,
      RoomIcon.family,
      RoomIcon.social,
      RoomIcon.other,
    ];
  }

  String get text {
    switch (type.toLowerCase()) {
      case 'love':
        return 'Friends';
      case 'sports':
        return 'Sports';
      case 'pets':
        return 'Pets';
      case 'vacation':
        return 'Vacation';
      case 'gifts':
        return 'Gifts';
      case 'groceries':
        return 'Groceries';
      case 'fashion':
        return 'Clothing';
      case 'art':
        return 'Arts & Crafts';
      case 'tech':
        return 'Electronics';
      case 'home':
        return 'Home supplies';
      case 'family':
        return 'Family';
      case 'social':
        return 'Social';
      case 'other':
      default:
        return 'Other';
    }
  }

  // return image name
  String get img {
    switch (type.toLowerCase()) {
      case 'love':
        return 'undraw/undraw_couple.svg';
      case 'sports':
        return 'undraw/undraw_greek_freak.svg';
      case 'pets':
        return 'undraw/undraw_dog.svg';
      case 'vacation':
        return 'undraw/undraw_trip.svg';
      case 'gifts':
        return 'undraw/undraw_gifts.svg';
      case 'groceries':
        return 'undraw/undraw_gone_shopping.svg';
      case 'fashion':
        return 'undraw/undraw_jewelry.svg';
      case 'art':
        return 'undraw/undraw_sculpting.svg';
      case 'tech':
        return 'undraw/undraw_progressive_app.svg';
      case 'home':
        return 'undraw/undraw_under_construction.svg';
      case 'family':
        return 'undraw/undraw_family.svg';
      case 'social':
        return 'undraw/undraw_pizza_sharing.svg';
      case 'other':
      default:
        return 'undraw/undraw_file_manager.svg';
    }
  }
}

class Room {
  final String id;
  final String serverTag;
  final String name;
  final String description;
  RoomIcon? icon = RoomIcon.other;
  RoomVisibility? visibility = RoomVisibility.private;

  Room(
      {required this.id,
      required this.serverTag,
      this.name = "",
      this.description = "",
      this.icon,
      this.visibility});

  // get list of all known rooms
  static Future<List<Room>> listRooms() async {
    final db = Localstore.instance;
    final rooms = (await db.collection('rooms').get())!;
    List<Room> builder = [];
    for (MapEntry entry in rooms.entries) {
      try {
        builder.add(Room.fromMap(entry.value));
      } catch (e) {
        // skip invalid rooms
        // NOTE: might want to autodelete them in the future
        // although keeping them might be ok,
        // in case we ever get a new dataset to fix the current state
      }
    }
    return builder;
  }

  // listen to room change
  static listen(Function(Map<String, dynamic>) cb) async {
    final db = Localstore.instance;
    final stream = db.collection('rooms').stream;
    stream.listen(cb);
  }

  factory Room.fromMap(Map<String, dynamic> map) {
    return Room(
        id: map['id'],
        serverTag: map['server'],
        name: map['name'],
        description: map['description'] ?? '',
        icon: RoomIcon(type: map['icon'] ?? 'Other'),
        visibility: RoomVisibility(map['visibility'] ?? 0));
  }

  Map<String, dynamic> toMap() {
    return {
      'id': id,
      'server': serverTag,
      'description': description,
      'name': name,
      'icon': icon?.type,
      'visibility': visibility?.type
    };
  }

  factory Room.fromJSON(dynamic json) {
    return Room(
        id: json['name'],
        serverTag: json['server'],
        name: json['title'],
        description: json['description'],
        icon: RoomIcon(type: json['icon']),
        visibility: RoomVisibility(json['visibility']));
  }

  Future<void> toDisk() async {
    final db = Localstore.instance;
    await db.collection('rooms').doc('$id@$serverTag').set(toMap());
  }

  static Future<Room> fromDisk({required String id, required String serverTag}) async {
    final db = Localstore.instance;
    final raw = await db.collection('rooms').doc('$id@$serverTag').get();
    return Room.fromMap(raw!);
  }
}

class ShoppingListItem {

}

class RoomMember {
  final String id;
  final String serverTag;
  final bool isAdmin;

  const RoomMember(
      {required this.id, required this.serverTag, required this.isAdmin});

  factory RoomMember.fromJSON(dynamic json) {
    return RoomMember(
        id: json['name'], serverTag: json['server'], isAdmin: json['admin']);
  }
}

class RoomInfo {
  final String owner;
  final bool isAdmin;
  final bool isOwner;
  final int permissions;

  const RoomInfo(
      {required this.permissions,
      required this.owner,
      required this.isAdmin,
      required this.isOwner});

  factory RoomInfo.fromJSON(dynamic json) {
    return RoomInfo(
        permissions: json['rights'],
        owner: json['owner'],
        isAdmin: json['isAdmin'],
        isOwner: json['isOwner']);
  }
}