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/*
 * Copyright 2020 - 2022 Anton Tananaev (anton@traccar.org)
 *
 * Licensed 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.
 */
package org.traccar.notificators;

import com.fasterxml.jackson.annotation.JsonProperty;
import org.traccar.config.Config;
import org.traccar.config.Keys;
import org.traccar.model.Event;
import org.traccar.model.Position;
import org.traccar.model.User;
import org.traccar.notification.NotificationFormatter;

import javax.inject.Inject;
import javax.ws.rs.client.Client;
import javax.ws.rs.client.Entity;

public class NotificatorPushover implements Notificator {

    private final NotificationFormatter notificationFormatter;
    private final Client client;

    private final String url;
    private final String token;
    private final String user;

    public static class Message {
        @JsonProperty("token")
        private String token;
        @JsonProperty("user")
        private String user;
        @JsonProperty("device")
        private String device;
        @JsonProperty("title")
        private String title;
        @JsonProperty("message")
        private String message;
    }

    @Inject
    public NotificatorPushover(Config config, NotificationFormatter notificationFormatter, Client client) {
        this.notificationFormatter = notificationFormatter;
        this.client = client;
        url = "https://api.pushover.net/1/messages.json";
        token = config.getString(Keys.NOTIFICATOR_PUSHOVER_TOKEN);
        user = config.getString(Keys.NOTIFICATOR_PUSHOVER_USER);
        if (token == null || user == null) {
            throw new RuntimeException("Pushover token or user missing");
        }
    }

    @Override
    public void send(User user, Event event, Position position) {

        String device = "";
        if (user.getAttributes().containsKey("notificator.pushover.device")) {
            device = user.getString("notificator.pushover.device").replaceAll(" *, *", ",");
        }

        var shortMessage = notificationFormatter.formatMessage(user, event, position, "short");

        Message message = new Message();
        message.token = token;
        message.user = this.user;
        message.device = device;
        message.title = shortMessage.getSubject();
        message.message = shortMessage.getBody();

        client.target(url).request().post(Entity.json(message)).close();
    }

}