//
// Copyright Aliaksei Levin (levlam@telegram.org), Arseny Smirnov (arseny30@gmail.com) 2014-2019
//
// Distributed under the Boost Software License, Version 1.0. (See accompanying
// file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
//
#include "td/telegram/NotificationType.h"

#include "td/telegram/ContactsManager.h"
#include "td/telegram/Global.h"
#include "td/telegram/MessagesManager.h"
#include "td/telegram/Td.h"

#include "td/utils/misc.h"
#include "td/utils/Slice.h"

namespace td {

class NotificationTypeMessage : public NotificationType {
  bool can_be_delayed() const override {
    return message_id_.is_valid() && message_id_.is_server();
  }

  bool is_temporary() const override {
    return false;
  }

  MessageId get_message_id() const override {
    return message_id_;
  }

  td_api::object_ptr<td_api::NotificationType> get_notification_type_object(DialogId dialog_id) const override {
    auto message_object = G()->td().get_actor_unsafe()->messages_manager_->get_message_object({dialog_id, message_id_});
    if (message_object == nullptr) {
      return nullptr;
    }
    return td_api::make_object<td_api::notificationTypeNewMessage>(std::move(message_object));
  }

  StringBuilder &to_string_builder(StringBuilder &string_builder) const override {
    return string_builder << "NewMessageNotification[" << message_id_ << ']';
  }
  /*
  Type get_type() const override {
    return Type::Message;
  }
  */
  MessageId message_id_;

 public:
  explicit NotificationTypeMessage(MessageId message_id) : message_id_(message_id) {
  }
};

class NotificationTypeSecretChat : public NotificationType {
  bool can_be_delayed() const override {
    return false;
  }

  bool is_temporary() const override {
    return false;
  }

  MessageId get_message_id() const override {
    return MessageId();
  }

  td_api::object_ptr<td_api::NotificationType> get_notification_type_object(DialogId dialog_id) const override {
    return td_api::make_object<td_api::notificationTypeNewSecretChat>();
  }

  StringBuilder &to_string_builder(StringBuilder &string_builder) const override {
    return string_builder << "NewSecretChatNotification[]";
  }
  /*
  Type get_type() const override {
    return Type::SecretChat;
  }
  */
 public:
  NotificationTypeSecretChat() {
  }
};

class NotificationTypeCall : public NotificationType {
  bool can_be_delayed() const override {
    return false;
  }

  bool is_temporary() const override {
    return false;
  }

  MessageId get_message_id() const override {
    return MessageId::max();
  }

  td_api::object_ptr<td_api::NotificationType> get_notification_type_object(DialogId dialog_id) const override {
    return td_api::make_object<td_api::notificationTypeNewCall>(call_id_.get());
  }

  StringBuilder &to_string_builder(StringBuilder &string_builder) const override {
    return string_builder << "NewCallNotification[" << call_id_ << ']';
  }
  /*
  Type get_type() const override {
    return Type::Call;
  }
  */
  CallId call_id_;

 public:
  explicit NotificationTypeCall(CallId call_id) : call_id_(call_id) {
  }
};

class NotificationTypePushMessage : public NotificationType {
  bool can_be_delayed() const override {
    return false;
  }

  bool is_temporary() const override {
    return true;
  }

  MessageId get_message_id() const override {
    return message_id_;
  }

  static td_api::object_ptr<td_api::PushMessageContent> get_push_message_content_object(Slice key, const string &arg) {
    bool is_pinned = false;
    if (begins_with(key, "PINNED_")) {
      is_pinned = true;
      key = key.substr(7);
    }
    if (key == "MESSAGE") {
      return td_api::make_object<td_api::pushMessageContentHidden>(is_pinned);
    }
    if (key == "MESSAGES") {
      return td_api::make_object<td_api::pushMessageContentMediaAlbum>(to_integer<int32>(arg), true, true);
    }
    CHECK(key.size() > 8);
    switch (key[8]) {
      case 'A':
        if (key == "MESSAGE_ANIMATION") {
          return td_api::make_object<td_api::pushMessageContentAnimation>(is_pinned);
        }
        break;
      case 'B':
        if (key == "MESSAGE_BASIC_GROUP_CHAT_CREATE") {
          return td_api::make_object<td_api::pushMessageContentBasicGroupChatCreate>();
        }
        break;
      case 'C':
        if (key == "MESSAGE_CHAT_ADD_MEMBERS") {
          return td_api::make_object<td_api::pushMessageContentChatAddMembers>(arg, false, false);
        }
        if (key == "MESSAGE_CHAT_ADD_MEMBERS_RETURNED") {
          return td_api::make_object<td_api::pushMessageContentChatAddMembers>(arg, false, true);
        }
        if (key == "MESSAGE_CHAT_ADD_MEMBERS_YOU") {
          return td_api::make_object<td_api::pushMessageContentChatAddMembers>(arg, true, false);
        }
        if (key == "MESSAGE_CHAT_CHANGE_PHOTO") {
          return td_api::make_object<td_api::pushMessageContentChatChangePhoto>();
        }
        if (key == "MESSAGE_CHAT_CHANGE_TITLE") {
          return td_api::make_object<td_api::pushMessageContentChatChangeTitle>();
        }
        if (key == "MESSAGE_CHAT_DELETE_MEMBER") {
          return td_api::make_object<td_api::pushMessageContentChatDeleteMember>(arg, false, false);
        }
        if (key == "MESSAGE_CHAT_DELETE_MEMBER_LEFT") {
          return td_api::make_object<td_api::pushMessageContentChatDeleteMember>(arg, false, true);
        }
        if (key == "MESSAGE_CHAT_DELETE_MEMBER_YOU") {
          return td_api::make_object<td_api::pushMessageContentChatDeleteMember>(arg, true, false);
        }
        if (key == "MESSAGE_CHAT_JOIN_BY_LINK") {
          return td_api::make_object<td_api::pushMessageContentChatJoinByLink>();
        }
        if (key == "MESSAGE_CONTACT") {
          return td_api::make_object<td_api::pushMessageContentContact>(arg, is_pinned);
        }
        if (key == "MESSAGE_CONTACT_REGISTERED") {
          return td_api::make_object<td_api::pushMessageContentContactRegistered>();
        }
        break;
      case 'D':
        if (key == "MESSAGE_DOCUMENT") {
          return td_api::make_object<td_api::pushMessageContentDocument>(is_pinned);
        }
        break;
      case 'F':
        if (key == "MESSAGE_FORWARDS") {
          return td_api::make_object<td_api::pushMessageContentMessageForwards>(to_integer<int32>(arg));
        }
        break;
      case 'G':
        if (key == "MESSAGE_GAME") {
          return td_api::make_object<td_api::pushMessageContentGame>(arg, is_pinned);
        }
        if (key == "MESSAGE_GAME_SCORE") {
          int32 score = 0;
          string title;
          if (!is_pinned) {
            string score_str;
            std::tie(score_str, title) = split(arg);
            score = to_integer<int32>(score_str);
          }
          return td_api::make_object<td_api::pushMessageContentGameScore>(title, score, is_pinned);
        }
        break;
      case 'I':
        if (key == "MESSAGE_INVOICE") {
          return td_api::make_object<td_api::pushMessageContentInvoice>(arg, is_pinned);
        }
        break;
      case 'L':
        if (key == "MESSAGE_LIVE_LOCATION") {
          return td_api::make_object<td_api::pushMessageContentLocation>(false, is_pinned);
        }
        if (key == "MESSAGE_LOCATION") {
          return td_api::make_object<td_api::pushMessageContentLocation>(true, is_pinned);
        }
        break;
      case 'P':
        if (key == "MESSAGE_PHOTO") {
          return td_api::make_object<td_api::pushMessageContentPhoto>(false, is_pinned);
        }
        if (key == "MESSAGE_PHOTOS") {
          return td_api::make_object<td_api::pushMessageContentMediaAlbum>(to_integer<int32>(arg), true, false);
        }
        if (key == "MESSAGE_POLL") {
          return td_api::make_object<td_api::pushMessageContentPoll>(arg, is_pinned);
        }
        break;
      case 'S':
        if (key == "MESSAGE_SECRET_PHOTO") {
          return td_api::make_object<td_api::pushMessageContentPhoto>(true, false);
        }
        if (key == "MESSAGE_SECRET_VIDEO") {
          return td_api::make_object<td_api::pushMessageContentVideo>(true, false);
        }
        if (key == "MESSAGE_SCREENSHOT_TAKEN") {
          return td_api::make_object<td_api::pushMessageContentScreenshotTaken>();
        }
        if (key == "MESSAGE_STICKER") {
          return td_api::make_object<td_api::pushMessageContentSticker>(arg, is_pinned);
        }
        break;
      case 'T':
        if (key == "MESSAGE_TEXT") {
          return td_api::make_object<td_api::pushMessageContentText>(arg, is_pinned);
        }
        break;
      case 'V':
        if (key == "MESSAGE_VIDEO") {
          return td_api::make_object<td_api::pushMessageContentVideo>(false, is_pinned);
        }
        if (key == "MESSAGE_VIDEO_NOTE") {
          return td_api::make_object<td_api::pushMessageContentVideoNote>(is_pinned);
        }
        if (key == "MESSAGE_VIDEOS") {
          return td_api::make_object<td_api::pushMessageContentMediaAlbum>(to_integer<int32>(arg), false, true);
        }
        if (key == "MESSAGE_VOICE_NOTE") {
          return td_api::make_object<td_api::pushMessageContentVoiceNote>(is_pinned);
        }
        break;
      default:
        break;
    }
    UNREACHABLE();
  }

  td_api::object_ptr<td_api::NotificationType> get_notification_type_object(DialogId dialog_id) const override {
    auto sender_user_id = G()->td().get_actor_unsafe()->contacts_manager_->get_user_id_object(
        sender_user_id_, "get_notification_type_object");
    return td_api::make_object<td_api::notificationTypeNewPushMessage>(message_id_.get(), sender_user_id,
                                                                       get_push_message_content_object(key_, arg_));
  }

  StringBuilder &to_string_builder(StringBuilder &string_builder) const override {
    return string_builder << "NewPushMessageNotification[" << sender_user_id_ << ", " << message_id_ << ", " << key_
                          << ", " << arg_ << ']';
  }
  /*
  Type get_type() const override {
    return Type::PushMessage;
  }
  */
  UserId sender_user_id_;
  MessageId message_id_;
  string key_;
  string arg_;

 public:
  NotificationTypePushMessage(UserId sender_user_id, MessageId message_id, string key, string arg)
      : sender_user_id_(std::move(sender_user_id))
      , message_id_(message_id)
      , key_(std::move(key))
      , arg_(std::move(arg)) {
  }
};

unique_ptr<NotificationType> create_new_message_notification(MessageId message_id) {
  return make_unique<NotificationTypeMessage>(message_id);
}

unique_ptr<NotificationType> create_new_secret_chat_notification() {
  return make_unique<NotificationTypeSecretChat>();
}

unique_ptr<NotificationType> create_new_call_notification(CallId call_id) {
  return make_unique<NotificationTypeCall>(call_id);
}

unique_ptr<NotificationType> create_new_push_message_notification(UserId sender_user_id, MessageId message_id,
                                                                  string key, string arg) {
  return td::make_unique<NotificationTypePushMessage>(sender_user_id, message_id, std::move(key), std::move(arg));
}

}  // namespace td