/*
 * Licensed to the Apache Software Foundation (ASF) under one
 * or more contributor license agreements.  See the NOTICE file
 * distributed with this work for additional information
 * regarding copyright ownership.  The ASF licenses this file
 * to you under the Apache License, Version 2.0 (the
 * "License"); you may not use this file except in compliance
 * with the License.  You may obtain a copy of the License at
 *
 *   http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing,
 * software distributed under the License is distributed on an
 * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
 * KIND, either express or implied.  See the License for the
 * specific language governing permissions and limitations
 * under the License.
 */

drop dataverse twitter if exists;
create dataverse twitter;
use dataverse twitter;

create type TweetbookEntry as open {
    tweetid: string,
    comment-text: string                
}

create type TwitterUserType as open {
    screen-name: string,
    lang: string,
    friends_count: int32,
    statuses_count: int32,
    name: string,
    followers_count: int32
}

create type TweetMessageType as closed {
    tweetid: string,
    user: TwitterUserType,
    sender-location: point?,
    send-time: datetime,
    referred-topics: {{ string }},
    message-text: string
}

create dataset TweetMessages(TweetMessageType)
primary key tweetid;

create dataset TweetMessagesShifted(TweetMessageType)
primary key tweetid;

load dataset TweetMessages using localfs
(("path"="localhost://FULL_PATH/twm.adm"),("format"="adm"));

insert into dataset TweetMessagesShifted
(
for $t in dataset TweetMessages return {
    "tweetid" : $t.tweetid,
    "user" : $t.user,
    "sender-location" : create-point(get-x($t.sender-location), -1*get-y($t.sender-location)),
    "send-time" : $t.send-time,
    "referred-topics": $t.referred-topics,
    "message-text": $t.message-text
}
);
