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+/*
+  ReadATweet
+
+  Demonstrates retrieving the most recent Tweet from a user's home timeline 
+  using Temboo from an Arduino Yun.
+
+  Check out the latest Arduino & Temboo examples and support docs at http://www.temboo.com/arduino
+
+  A Temboo account and application key are necessary to run all Temboo examples. 
+  If you don't already have one, you can register for a free Temboo account at 
+  http://www.temboo.com
+
+  In order to run this sketch, you'll need to register an application using
+  the Twitter dev console at https://dev.twitter.com. After creating the 
+  app, you'll find OAuth credentials for that application under the "OAuth Tool" tab. 
+  Substitute these values for the placeholders below. 
+
+  This example assumes basic familiarity with Arduino sketches, and that your Yun 
+  is connected to the Internet.
+
+  Want to use another social API with your Arduino Yun? We've got Facebook, 
+  Google+, Instagram, Tumblr and more in our Library!
+  
+  This example code is in the public domain.
+*/
+
+#include <Bridge.h>
+#include <Temboo.h>
+#include "TembooAccount.h" // contains Temboo account information
+                           // as described in the footer comment below
+
+/*** SUBSTITUTE YOUR VALUES BELOW: ***/
+
+// Note that for additional security and reusability, you could
+// use #define statements to specify these values in a .h file.
+const String TWITTER_ACCESS_TOKEN = "your-twitter-access-token";
+const String TWITTER_ACCESS_TOKEN_SECRET = "your-twitter-access-token-secret";
+const String TWITTER_CONSUMER_KEY = "your-twitter-consumer-key";
+const String TWITTER_CONSUMER_SECRET = "your-twitter-consumer-secret";
+
+int numRuns = 1;   // execution count, so this doesn't run forever
+int maxRuns = 10;   // the max number of times the Twitter HomeTimeline Choreo should run
+
+void setup() {
+  Serial.begin(9600);
+  
+  // For debugging, wait until a serial console is connected.
+  delay(4000);
+  while(!Serial);
+  Bridge.begin();
+}
+void loop()
+{
+  // while we haven't reached the max number of runs...
+  if (numRuns <= maxRuns) {
+    Serial.println("Running ReadATweet - Run #" + String(numRuns++));
+    
+    TembooChoreo HomeTimelineChoreo;
+
+    // invoke the Temboo client.
+    // NOTE that the client must be reinvoked, and repopulated with
+    // appropriate arguments, each time its run() method is called.
+    HomeTimelineChoreo.begin();
+    
+    // set Temboo account credentials
+    HomeTimelineChoreo.setAccountName(TEMBOO_ACCOUNT);
+    HomeTimelineChoreo.setAppKeyName(TEMBOO_APP_KEY_NAME);
+    HomeTimelineChoreo.setAppKey(TEMBOO_APP_KEY);
+
+    // tell the Temboo client which Choreo to run (Twitter > Timelines > HomeTimeline)
+    HomeTimelineChoreo.setChoreo("/Library/Twitter/Timelines/HomeTimeline");
+    
+    
+    // set the required choreo inputs
+    // see https://www.temboo.com/library/Library/Twitter/Timelines/HomeTimeline/
+    // for complete details about the inputs for this Choreo
+
+    HomeTimelineChoreo.addInput("Count", "1"); // the max number of Tweets to return from each request
+    HomeTimelineChoreo.addInput("AccessToken", TWITTER_ACCESS_TOKEN);
+    HomeTimelineChoreo.addInput("AccessTokenSecret", TWITTER_ACCESS_TOKEN_SECRET);
+    HomeTimelineChoreo.addInput("ConsumerKey", TWITTER_CONSUMER_KEY);    
+    HomeTimelineChoreo.addInput("ConsumerSecret", TWITTER_CONSUMER_SECRET);
+
+    // next, we'll define two output filters that let us specify the 
+    // elements of the response from Twitter that we want to receive.
+    // see the examples at http://www.temboo.com/arduino
+    // for more on using output filters
+   
+    // we want the text of the tweet
+    HomeTimelineChoreo.addOutputFilter("tweet", "/[1]/text", "Response");
+    
+    // and the name of the author
+    HomeTimelineChoreo.addOutputFilter("author", "/[1]/user/screen_name", "Response");
+
+
+    // tell the Process to run and wait for the results. The 
+    // return code will tell us whether the Temboo client 
+    // was able to send our request to the Temboo servers
+    unsigned int returnCode = HomeTimelineChoreo.run();
+    
+   // a response code of 0 means success; print the API response
+    if(returnCode == 0) {
+      
+      String author; // a String to hold the tweet author's name
+      String tweet; // a String to hold the text of the tweet
+
+
+      // choreo outputs are returned as key/value pairs, delimited with 
+      // newlines and record/field terminator characters, for example:
+      // Name1\n\x1F
+      // Value1\n\x1E
+      // Name2\n\x1F
+      // Value2\n\x1E      
+      
+      // see the examples at http://www.temboo.com/arduino for more details
+      // we can read this format into separate variables, as follows:
+      
+      while(HomeTimelineChoreo.available()) {
+        // read the name of the output item
+        String name = HomeTimelineChoreo.readStringUntil('\x1F');
+        name.trim();
+
+        // read the value of the output item
+        String data = HomeTimelineChoreo.readStringUntil('\x1E');
+        data.trim();
+
+        // assign the value to the appropriate String
+        if (name == "tweet") {
+          tweet = data;
+        } else if (name == "author") {
+          author = data;
+        }
+      }
+     
+      Serial.println("@" + author + " - " + tweet);
+    
+    } else {
+      // there was an error
+      // print the raw output from the choreo
+      while(HomeTimelineChoreo.available()) {
+        char c = HomeTimelineChoreo.read();
+        Serial.print(c);
+      }
+    }
+
+    HomeTimelineChoreo.close();
+
+  }
+
+  Serial.println("Waiting...");
+  delay(90000); // wait 90 seconds between HomeTimeline calls
+}
+
+/*
+  IMPORTANT NOTE: TembooAccount.h:
+
+  TembooAccount.h is a file referenced by this sketch that contains your Temboo account information.
+  You'll need to edit the placeholder version of TembooAccount.h included with this example sketch,
+  by inserting your own Temboo account name and app key information. The contents of the file should
+  look like:
+
+  #define TEMBOO_ACCOUNT "myTembooAccountName"  // your Temboo account name 
+  #define TEMBOO_APP_KEY_NAME "myFirstApp"  // your Temboo app key name
+  #define TEMBOO_APP_KEY  "xxx-xxx-xxx-xx-xxx"  // your Temboo app key
+
+  You can find your Temboo App Key information on the Temboo website, 
+  under My Account > Application Keys
+
+  The same TembooAccount.h file settings can be used for all Temboo SDK sketches.
+
+  Keeping your account information in a separate file means you can share the main .ino file without worrying 
+  that you forgot to delete your credentials.
+*/