/**
 * 
 * Point.cpp: Point for write into InfluxDB server
 * 
 * MIT License
 * 
 * Copyright (c) 2020 InfluxData
 * 
 * Permission is hereby granted, free of charge, to any person obtaining a copy
 * of this software and associated documentation files (the "Software"), to deal
 * in the Software without restriction, including without limitation the rights
 * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
 * copies of the Software, and to permit persons to whom the Software is
 * furnished to do so, subject to the following conditions:
 * 
 * The above copyright notice and this permission notice shall be included in all
 * copies or substantial portions of the Software.
 * 
 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
 * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
 * SOFTWARE.
*/

#include "Point.h"
#include "util/helpers.h"

Point::Point(String measurement):
    _measurement(escapeKey(measurement, false)),
    _tags(""),
    _fields(""),
    _timestamp("")
{

}

void Point::addTag(String name, String value) {
    if(_tags.length() > 0) {
        _tags += ',';
    }
    _tags += escapeKey(name);
    _tags += '=';
    _tags += escapeKey(value);
}

void Point::addField(String name, const char *value) { 
    putField(name, "\"" + escapeValue(value) + "\""); 
}

void Point::putField(String name, String value) {
    if(_fields.length() > 0) {
        _fields += ',';
    }
    _fields += escapeKey(name);
    _fields += '=';
    _fields += value;
}

String Point::toLineProtocol(String includeTags) const {
    return createLineProtocol(includeTags);
}

String Point::createLineProtocol(String &incTags) const {
    String line;
    line.reserve(_measurement.length() + 1 + incTags.length() + 1 + _tags.length() + 1 + _fields.length() + 1 + _timestamp.length());
    line += _measurement;
    if(incTags.length()>0) {
        line += ",";
        line += incTags;
    }
    if(hasTags()) {
        line += ",";
        line += _tags;
    }
    if(hasFields()) {
        line += " ";
        line += _fields;
    }
    if(hasTime()) {
        line += " ";
        line += _timestamp;
    }
    return line;
 }

void  Point::setTime(WritePrecision precision) {
    struct timeval tv;
    gettimeofday(&tv, NULL);
    
    switch(precision) {
        case WritePrecision::NS:
            setTime(getTimeStamp(&tv,9));
            break;
        case WritePrecision::US:
            setTime(getTimeStamp(&tv,6));
            break;
        case WritePrecision::MS: 
            setTime(getTimeStamp(&tv,3));
            break;
        case WritePrecision::S:
            setTime(getTimeStamp(&tv,0));
            break;
        case WritePrecision::NoTime:
            _timestamp = "";
            break;
    }
}

void  Point::setTime(unsigned long long timestamp) {
    _timestamp = timeStampToString(timestamp);
}

void  Point::setTime(String timestamp) {
    _timestamp = timestamp;
}

void  Point::clearFields() {
    _fields = (char *)nullptr;
    _timestamp = (char *)nullptr;
}

void Point:: clearTags() {
    _tags = (char *)nullptr;
}