/*
 *   Famedly Matrix SDK
 *   Copyright (C) 2019, 2020 Famedly GmbH
 *
 *   This program is free software: you can redistribute it and/or modify
 *   it under the terms of the GNU Affero General Public License as
 *   published by the Free Software Foundation, either version 3 of the
 *   License, or (at your option) any later version.
 *
 *   This program is distributed in the hope that it will be useful,
 *   but WITHOUT ANY WARRANTY; without even the implied warranty of
 *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
 *   GNU Affero General Public License for more details.
 *
 *   You should have received a copy of the GNU Affero General Public License
 *   along with this program.  If not, see <https://www.gnu.org/licenses/>.
 */

import 'basic_event_with_sender.dart';
import 'basic_room_event.dart';
import 'stripped_state_event.dart';
import 'matrix_event.dart';
import 'basic_event.dart';
import 'presence.dart';
import 'room_summary.dart';

class SyncUpdate {
  String nextBatch;
  RoomsUpdate rooms;
  List<Presence> presence;
  List<BasicEvent> accountData;
  List<BasicEventWithSender> toDevice;
  DeviceListsUpdate deviceLists;
  Map<String, int> deviceOneTimeKeysCount;

  SyncUpdate.fromJson(Map<String, dynamic> json) {
    nextBatch = json['next_batch'];
    rooms = json['rooms'] != null ? RoomsUpdate.fromJson(json['rooms']) : null;
    presence = (json['presence'] != null && json['presence']['events'] != null)
        ? (json['presence']['events'] as List)
            .map((i) => Presence.fromJson(i))
            .toList()
        : null;
    accountData =
        (json['account_data'] != null && json['account_data']['events'] != null)
            ? (json['account_data']['events'] as List)
                .map((i) => BasicEvent.fromJson(i))
                .toList()
            : null;
    toDevice =
        (json['to_device'] != null && json['to_device']['events'] != null)
            ? (json['to_device']['events'] as List)
                .map((i) => BasicEventWithSender.fromJson(i))
                .toList()
            : null;
    deviceLists = json['device_lists'] != null
        ? DeviceListsUpdate.fromJson(json['device_lists'])
        : null;
    deviceOneTimeKeysCount = json['device_one_time_keys_count'] != null
        ? Map<String, int>.from(json['device_one_time_keys_count'])
        : null;
  }

  Map<String, dynamic> toJson() {
    final data = <String, dynamic>{};
    data['next_batch'] = nextBatch;
    if (rooms != null) {
      data['rooms'] = rooms.toJson();
    }
    if (presence != null) {
      data['presence'] = {
        'events': presence.map((i) => i.toJson()).toList(),
      };
    }
    if (accountData != null) {
      data['account_data'] = {
        'events': accountData.map((i) => i.toJson()).toList(),
      };
    }
    if (toDevice != null) {
      data['to_device'] = {
        'events': toDevice.map((i) => i.toJson()).toList(),
      };
    }
    if (deviceLists != null) {
      data['device_lists'] = deviceLists.toJson();
    }
    if (deviceOneTimeKeysCount != null) {
      data['device_one_time_keys_count'] = deviceOneTimeKeysCount;
    }
    return data;
  }
}

class RoomsUpdate {
  Map<String, JoinedRoomUpdate> join;
  Map<String, InvitedRoomUpdate> invite;
  Map<String, LeftRoomUpdate> leave;

  RoomsUpdate.fromJson(Map<String, dynamic> json) {
    join = json['join'] != null
        ? (json['join'] as Map)
            .map((k, v) => MapEntry(k, JoinedRoomUpdate.fromJson(v)))
        : null;
    invite = json['invite'] != null
        ? (json['invite'] as Map)
            .map((k, v) => MapEntry(k, InvitedRoomUpdate.fromJson(v)))
        : null;
    leave = json['leave'] != null
        ? (json['leave'] as Map)
            .map((k, v) => MapEntry(k, LeftRoomUpdate.fromJson(v)))
        : null;
  }
  Map<String, dynamic> toJson() {
    final data = <String, dynamic>{};
    if (join != null) {
      data['join'] = join.map((k, v) => MapEntry(k, v.toJson()));
    }
    if (invite != null) {
      data['invite'] = invite.map((k, v) => MapEntry(k, v.toJson()));
    }
    if (leave != null) {
      data['leave'] = leave.map((k, v) => MapEntry(k, v.toJson()));
    }
    return data;
  }
}

abstract class SyncRoomUpdate {}

class JoinedRoomUpdate extends SyncRoomUpdate {
  RoomSummary summary;
  List<MatrixEvent> state;
  TimelineUpdate timeline;
  List<BasicRoomEvent> ephemeral;
  List<BasicRoomEvent> accountData;
  UnreadNotificationCounts unreadNotifications;

  JoinedRoomUpdate.fromJson(Map<String, dynamic> json) {
    summary =
        json['summary'] != null ? RoomSummary.fromJson(json['summary']) : null;
    state = (json['state'] != null && json['state']['events'] != null)
        ? (json['state']['events'] as List)
            .map((i) => MatrixEvent.fromJson(i))
            .toList()
        : null;
    timeline = json['timeline'] != null
        ? TimelineUpdate.fromJson(json['timeline'])
        : null;

    ephemeral =
        (json['ephemeral'] != null && json['ephemeral']['events'] != null)
            ? (json['ephemeral']['events'] as List)
                .map((i) => BasicRoomEvent.fromJson(i))
                .toList()
            : null;
    accountData =
        (json['account_data'] != null && json['account_data']['events'] != null)
            ? (json['account_data']['events'] as List)
                .map((i) => BasicRoomEvent.fromJson(i))
                .toList()
            : null;
    unreadNotifications = json['unread_notifications'] != null
        ? UnreadNotificationCounts.fromJson(json['unread_notifications'])
        : null;
  }

  Map<String, dynamic> toJson() {
    final data = <String, dynamic>{};
    if (summary != null) {
      data['summary'] = summary.toJson();
    }
    if (state != null) {
      data['state'] = {
        'events': state.map((i) => i.toJson()).toList(),
      };
    }
    if (timeline != null) {
      data['timeline'] = timeline.toJson();
    }
    if (ephemeral != null) {
      data['ephemeral'] = {
        'events': ephemeral.map((i) => i.toJson()).toList(),
      };
    }
    if (accountData != null) {
      data['account_data'] = {
        'events': accountData.map((i) => i.toJson()).toList(),
      };
    }
    if (unreadNotifications != null) {
      data['unread_notifications'] = unreadNotifications.toJson();
    }
    return data;
  }
}

class InvitedRoomUpdate extends SyncRoomUpdate {
  List<StrippedStateEvent> inviteState;
  InvitedRoomUpdate.fromJson(Map<String, dynamic> json) {
    inviteState =
        (json['invite_state'] != null && json['invite_state']['events'] != null)
            ? (json['invite_state']['events'] as List)
                .map((i) => StrippedStateEvent.fromJson(i))
                .toList()
            : null;
  }
  Map<String, dynamic> toJson() {
    final data = <String, dynamic>{};
    if (inviteState != null) {
      data['invite_state'] = {
        'events': inviteState.map((i) => i.toJson()).toList(),
      };
    }
    return data;
  }
}

class LeftRoomUpdate extends SyncRoomUpdate {
  List<MatrixEvent> state;
  TimelineUpdate timeline;
  List<BasicRoomEvent> accountData;

  LeftRoomUpdate.fromJson(Map<String, dynamic> json) {
    state = (json['state'] != null && json['state']['events'] != null)
        ? (json['state']['events'] as List)
            .map((i) => MatrixEvent.fromJson(i))
            .toList()
        : null;
    timeline = json['timeline'] != null
        ? TimelineUpdate.fromJson(json['timeline'])
        : null;
    accountData =
        (json['account_data'] != null && json['account_data']['events'] != null)
            ? (json['account_data']['events'] as List)
                .map((i) => BasicRoomEvent.fromJson(i))
                .toList()
            : null;
  }
  Map<String, dynamic> toJson() {
    final data = <String, dynamic>{};
    if (state != null) {
      data['state'] = {
        'events': state.map((i) => i.toJson()).toList(),
      };
    }
    if (timeline != null) {
      data['timeline'] = timeline.toJson();
    }
    if (accountData != null) {
      data['account_data'] = {
        'events': accountData.map((i) => i.toJson()).toList(),
      };
    }
    return data;
  }
}

class TimelineUpdate {
  List<MatrixEvent> events;
  bool limited;
  String prevBatch;
  TimelineUpdate.fromJson(Map<String, dynamic> json) {
    events = json['events'] != null
        ? (json['events'] as List).map((i) => MatrixEvent.fromJson(i)).toList()
        : null;
    limited = json['limited'];
    prevBatch = json['prev_batch'];
  }
  Map<String, dynamic> toJson() {
    final data = <String, dynamic>{};
    if (events != null) {
      data['events'] = events.map((i) => i.toJson()).toList();
    }
    if (limited != null) {
      data['limited'] = limited;
    }
    if (prevBatch != null) {
      data['prev_batch'] = prevBatch;
    }
    return data;
  }
}

class UnreadNotificationCounts {
  int highlightCount;
  int notificationCount;
  UnreadNotificationCounts.fromJson(Map<String, dynamic> json) {
    highlightCount = json['highlight_count'];
    notificationCount = json['notification_count'];
  }
  Map<String, dynamic> toJson() {
    final data = <String, dynamic>{};
    if (highlightCount != null) {
      data['highlight_count'] = highlightCount;
    }
    if (notificationCount != null) {
      data['notification_count'] = notificationCount;
    }
    return data;
  }
}

class DeviceListsUpdate {
  List<String> changed;
  List<String> left;
  DeviceListsUpdate.fromJson(Map<String, dynamic> json) {
    changed = List<String>.from(json['changed']);
    left = List<String>.from(json['left']);
  }
  Map<String, dynamic> toJson() {
    final data = <String, dynamic>{};
    if (changed != null) {
      data['changed'] = changed;
    }
    if (left != null) {
      data['left'] = left;
    }
    return data;
  }
}