From 70bfa806da6af6f598671482e5ec5005de7a2648 Mon Sep 17 00:00:00 2001
From: Mark Wilson <mark@warkmilson.com>
Date: Thu, 15 Oct 2015 18:35:28 -0700
Subject: [PATCH] Make logger verbosity more explicitly configurable

---
 index.js  |  1 +
 logger.js | 19 ++++++++++++++-----
 run.js    |  6 +++++-
 3 files changed, 20 insertions(+), 6 deletions(-)

diff --git a/index.js b/index.js
index 6c3b69d..375ffdb 100644
--- a/index.js
+++ b/index.js
@@ -1,5 +1,6 @@
 module.exports = {
   carelink: require('./carelink'),
+  logger: require('./logger'),
   nightscout: require('./nightscout'),
   transform: require('./transform')
 };
diff --git a/logger.js b/logger.js
index 80ee924..c859be3 100644
--- a/logger.js
+++ b/logger.js
@@ -1,8 +1,17 @@
 /* jshint node: true */
 "use strict";
 
-module.exports.log = function(str) {
-  if (process.env['CARELINK_VERBOSE']) {
-    console.log(new Date() + ' ' + str);
-  }
-};
+module.exports = (function() {
+  var verbose_ = false;
+
+  return {
+    setVerbose: function(v) {
+      verbose_ = v;
+    },
+    log: function(str) {
+      if(verbose_) {
+        console.log(new Date() + ' ' + str);
+      }
+    }
+  };
+})();
diff --git a/run.js b/run.js
index 90d39d7..eaac5cc 100644
--- a/run.js
+++ b/run.js
@@ -2,6 +2,7 @@
 "use strict";
 
 var carelink = require('./carelink'),
+  logger = require('./logger'),
   nightscout = require('./nightscout'),
   transform = require('./transform');
 
@@ -22,7 +23,8 @@ var config = {
   nsSecret: readEnv('API_SECRET'),
   interval: parseInt(readEnv('CARELINK_REQUEST_INTERVAL', 60 * 1000), 10),
   sgvLimit: parseInt(readEnv('CARELINK_SGV_LIMIT', 24), 10),
-  maxRetryDuration: parseInt(readEnv('CARELINK_MAX_RETRY_DURATION', carelink.defaultMaxRetryDuration), 10)
+  maxRetryDuration: parseInt(readEnv('CARELINK_MAX_RETRY_DURATION', carelink.defaultMaxRetryDuration), 10),
+  verbose: !!readEnv('CARELINK_VERBOSE')
 };
 
 if (!config.username) {
@@ -38,6 +40,8 @@ var client = carelink.Client({
 });
 var endpoint = (config.nsBaseUrl ? config.nsBaseUrl : 'https://' + config.nsHost) + '/api/v1/entries.json';
 
+logger.setVerbose(config.verbose);
+
 (function requestLoop() {
   client.fetch(function(err, data) {
     if (err) {