//* comment *//

Copyright (C) 2015 Sam Parkinson

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/>.

//* globals *//

var financeMashapeKey = '3Rfxc7fwp2mshJxgtDxKSueYna8Ap1qZfAcjsn2hjpuWPuBCrI';

//* block:currencyrate *//

var currencyRate = new ProtoBlock('currencyrate');
currencyRate.palette = palettes.dict['external'];
blocks.protoBlockDict['currencyrate'] = currencyRate;
currencyRate.extraWidth = 20;
currencyRate.staticLabels.push(_('currency'), _('from'), _('to'));
currencyRate.adjustWidthToLabel();
currencyRate.twoArgMathBlock();
currencyRate.dockTypes[1] = 'anyin';
currencyRate.dockTypes[2] = 'anyin';
currencyRate.defaults.push('AUD', 'USD');


//* arg:currencyrate *//

var block = logo.blocks.blockList[blk];
var conns = block.connections;

var from = logo.parseArg(logo, turtle, conns[1]);
var to   = logo.parseArg(logo, turtle, conns[2]);
var apiURL = 'https://currency-exchange.p.mashape.com/exchange?from=' + from + '&q=1.0&to=' + to;

if (block.cacheFor === apiURL && block.cache !== undefined) {
    var response = block.cache;
} else {
    try {
        var request = new XMLHttpRequest();
        request.open('GET', apiURL, false);
        request.setRequestHeader('X-Mashape-Authorization', financeMashapeKey);
        request.send(null);

        var response = request.responseText;
        block.cacheFor = apiURL;
        block.cache = response;
    } catch (e) {
        logo.errorMsg('Could not connect to Currency API', blk);
    }
}

block.value = parseFloat(response);

//* block:stockprice *//

var stockprice = new ProtoBlock('stockprice');
stockprice.palette = palettes.dict['external'];
blocks.protoBlockDict['stockprice'] = stockprice;
stockprice.staticLabels.push(_('stock price'));
stockprice.adjustWidthToLabel();
stockprice.oneArgMathBlock();
stockprice.dockTypes[1] = 'anyin';
stockprice.defaults.push('GOOG');

//* arg:stockprice *//

var block = logo.blocks.blockList[blk];
var conns = block.connections;

var stock = logo.parseArg(logo, turtle, conns[1]);
var apiURL = 'https://cors-anywhere.herokuapp.com/dev.markitondemand.com/Api/v2/Quote/json?symbol=' + stock;

if (block.cacheFor === apiURL && block.cache !== undefined) {
    var response = block.cache;
} else {
    try {
        var request = new XMLHttpRequest();
        request.open('GET', apiURL, false);
        request.send(null);

        var response = request.responseText;
        block.cacheFor = apiURL;
        block.cache = response;
    } catch (e) {
        logo.errorMsg('Could not connect to Markit On Demand API', blk);
    }
}

j = JSON.parse(response);
if (j.Status !== 'SUCCESS') {
    if (j.Message.indexOf('No symbol matches') !== -1) {
        logo.errorMsg('No stock symbol %s found.  Try another, eg. GOOG, AAPL'.replace('%s', stock), blk);
    } else {
        logo.errorMsg(j.Message, blk);
    }
} else {
    block.value = j.LastPrice;
}

//* palette-icon:external *//
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//* palette-fill:external *// #59f
//* palette-stroke:external *// #3771c8
//* palette-highlight:external *// #9DC4FF
//* palette-stroke-highlight:external *// #000000