//* comment *//

Copyright (C) 2015 Yash Khandelwal

This program is free software: you can redistribute it and/or modify
it under the terms of the GNU 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 General Public License for more details.

You should have received a copy of the GNU General Public License
along with this program.  If not, see <http://www.gnu.org/licenses/>.

NOTE: Default local is downtown Boston.

//* globals *//
var gmapMashapeKey = 'JidA8phgY8mshJ8MiEUeHTdwFjjtp1wq209jsncYthfRDMQNW6';
var cityName = '';
var cityLatitude = 0;
var cityLongitude = 0;

//* block:cityToLat *//
var cityToLatBlk = new ProtoBlock('cityToLat');
cityToLatBlk.palette = palettes.dict['GMAP'];
blocks.protoBlockDict['cityToLat'] = cityToLatBlk;
cityToLatBlk.staticLabels.push(_('city latitude'));
cityToLatBlk.adjustWidthToLabel();
cityToLatBlk.oneArgMathBlock();
cityToLatBlk.dockTypes[1] = 'anyin';
cityToLatBlk.defaults.push("Boston");

//* block:cityToLong *//
var cityToLongBlk = new ProtoBlock('cityToLong');
cityToLongBlk.palette = palettes.dict['GMAP'];
blocks.protoBlockDict['cityToLong'] = cityToLongBlk;
cityToLongBlk.staticLabels.push(_('city longitude'));
cityToLongBlk.adjustWidthToLabel();
cityToLongBlk.oneArgMathBlock();
cityToLongBlk.dockTypes[1] = 'anyin';
cityToLongBlk.defaults.push("Boston");

//* arg:cityToLong *//
var block = logo.blocks.blockList[blk];
var conns = block.connections;
var city = logo.parseArg(logo, turtle, conns[1]);

if (city == cityName) {
    block.value = cityLongitude;
} else {
    var apiURL = 'https://devru-latitude-longitude-find-v1.p.mashape.com/latlon.php?location=' + city;
    var request = new XMLHttpRequest();
    request.open('GET', apiURL, false);
    request.setRequestHeader('X-Mashape-Authorization', gmapMashapeKey);
    request.send(null);
    var response = request.responseText;
    var data = JSON.parse(response);
    var longitude = 0;
    if (data['Results'].length > 0) {   
        data = data['Results'][0]['ll'];
        var parts = data.split(' ');
        try {
            cityLatitude = Number(parts[0]);
            cityLongitude = Number(parts[1]);
            var longitude = cityLongitude;
            cityName = city;
        } catch (e) {
           logo.errorMsg(_('Coordinate data not available.'), blk);
        }
    } else {
        logo.errorMsg(_('Coordinate data not available.'), blk);
    }
    block.value = longitude;
}

//* arg:cityToLat *//
var block = logo.blocks.blockList[blk];
var conns = block.connections;
var city = logo.parseArg(logo, turtle, conns[1]);

if (city == cityName) {
    block.value = cityLatitude;
} else {
    var apiURL = 'https://devru-latitude-longitude-find-v1.p.mashape.com/latlon.php?location=' + city;
    var request = new XMLHttpRequest();
    request.open('GET', apiURL, false);
    request.setRequestHeader('X-Mashape-Authorization', gmapMashapeKey);
    request.send(null);
    var response = request.responseText;
    var data = JSON.parse(response);
    var latitude = 0;
    if(data['Results'].length > 0) {   
        data = data['Results'][0]['ll'];
        var parts = data.split(' ');
        try {
            cityLatitude = Number(parts[0]);
            cityLongitude = Number(parts[1]);
            var latitude = cityLatitude;
            cityName = city;
        } catch (e) {
           logo.errorMsg(_('Coordinate data not available.'), blk);
        }
    } else {
       logo.errorMsg(_('Coordinate data not available.'), blk);
    }
    block.value = latitude;
}

//* block:gmap *//
var gmapBlk = new ProtoBlock('gmap');
gmapBlk.palette = palettes.dict['GMAP'];
blocks.protoBlockDict['gmap'] = gmapBlk;
gmapBlk.staticLabels.push(_('Google map'),_('coordinates'),_('zoom factor'));
gmapBlk.adjustWidthToLabel();
gmapBlk.twoArgMathBlock();

//* arg:gmap *//
var block = logo.blocks.blockList[blk];
var conns = block.connections;
var url    = logo.parseArg(logo, turtle, conns[1]);
var zoom_factor   = logo.parseArg(logo, turtle, conns[2]);
if(!url) {
    url = 'http://maps.googleapis.com/maps/api/staticmap?center=42.357279,-71.065740';
}

if(!zoom_factor) {
    zoom_factor = 10;
}

if(zoom_factor == 0) {
    zoom_factor = 0;
}

gmapURL = url + '&size=800x800&zoom=' + zoom_factor +'&sensor=false';
block.value = gmapURL;

//* block:zoom *//
var zoomBlk = new ProtoBlock('zoom');
zoomBlk.palette = palettes.dict['GMAP'];
blocks.protoBlockDict['zoom'] = zoomBlk;
zoomBlk.staticLabels.push(_('zoom'));
zoomBlk.adjustWidthToLabel();
zoomBlk.oneArgMathBlock();
zoomBlk.dockTypes[1] = 'anyin';
zoomBlk.defaults.push(10);

//* arg:zoom *//
var block = logo.blocks.blockList[blk];
var conns = block.connections;
var zoomFactor = logo.parseArg(logo, turtle, conns[1]);
block.value = zoomFactor;

//* block:coord *//
var coordBlk = new ProtoBlock('coord');
coordBlk.palette = palettes.dict['GMAP'];
blocks.protoBlockDict['coord'] = coordBlk;
coordBlk.staticLabels.push(_('coordinates'),_('latitude'),_('longitude'));
coordBlk.adjustWidthToLabel();
coordBlk.twoArgMathBlock();
coordBlk.dockTypes[1] = 'anyin';
coordBlk.dockTypes[2] = 'anyin';
coordBlk.defaults.push(42.357279,-71.065740);

//* arg:coord *//
var block = logo.blocks.blockList[blk];
var conns = block.connections;
var latitude    = logo.parseArg(logo, turtle, conns[1]);
var longitude   = logo.parseArg(logo, turtle, conns[2]);

latitude = eval(latitude);
longitude = eval(longitude);

if(!latitude || !longitude) {
    latitude = 42.357279;
    longitude = -71.065740;
}
gmapURL = 'http://maps.googleapis.com/maps/api/staticmap?center=' + latitude + ',' + longitude;
        
block.value = gmapURL;

//* palette-icon:GMAP *//
<svg
   xmlns="http://www.w3.org/2000/svg"
   version="1.1"
   width="55"
   height="55">
  <g
     transform="translate(0,-997.36218)">
    <path
       d="m 26.666222,1048.911 c -0.09596,-0.1879 -0.280246,-1.1767 -0.409529,-2.1972 -0.565075,-4.4605 -1.668106,-8.4319 -3.417528,-12.3047 -1.042617,-2.3081 -1.991286,-4.0116 -4.785815,-8.5938 -2.157572,-3.5377 -3.416439,-6.1924 -3.906374,-8.2377 -1.94515,-8.1203 3.386556,-15.8819 11.66714,-16.9844 6.55392,-0.87256 12.754344,3.0441 14.884012,9.4018 0.303361,0.9057 0.454986,1.948 0.528971,3.6362 0.12683,2.8942 -0.172817,4.4431 -1.375035,7.1077 -0.81051,1.7964 -1.193239,2.47 -3.882801,6.8343 -4.222383,6.8514 -6.42126,12.8338 -7.162043,19.4855 -0.09889,0.8879 -0.288049,1.7449 -0.420357,1.9043 -0.340934,0.4108 -1.502333,0.3757 -1.720641,-0.052 z m 3.610049,-29.2554 c 2.087523,-1.02 3.263533,-2.9613 3.249324,-5.3637 -0.01655,-2.7984 -1.484926,-4.8055 -4.176295,-5.7086 -1.149887,-0.3858 -3.454027,-0.19 -4.573135,0.3887 -0.987414,0.5106 -2.073445,1.6471 -2.65731,2.7808 -0.65002,1.2622 -0.65002,3.816 0,5.0782 1.595933,3.0989 5.107552,4.3148 8.157416,2.8246 z"
       style="fill:#ffffff" />
  </g>
</svg>


//* palette-fill:GMAP *// #00abff
//* palette-stroke:GMAP *// #005aaa
//* palette-highlight:GMAP *// #00c5ff
//* palette-stroke-highlight:GMAP *// #002659