reduced lib size and complexity

lib/moviedb.js

@@ -1,9 +1,16 @@
 
+/*
+ * Module dependencies
+ */
+
+var request = require('superagent')
+  , endpoints = require('./endpoints.json');
+
 /*
  * Exports the constructor
  */
 
-module.exports = function MovieDB(api_key){
+var MovieDB = module.exports = function(api_key){
   if(api_key) this.api_key = api_key;
   else throw new Error('Bad api key');
 };
@@ -12,10 +19,58 @@ module.exports = function MovieDB(api_key){
  * API auth
  */
 
-require('./auth');
+MovieDB.prototype.requestToken = function(fn){
+  var self = this;
+
+  request
+  .get(endpoints.base_url  + endpoints.authentication.requestToken)
+  .send({'api_key': self.api_key})
+  .set('Accept', 'application/json')
+  .end(function(res){
+    if(res.ok) self.token = res.body;
+    else throw new Error('Invalid authentication');
+    fn();
+  });
+};
 
 /*
- * API request
+ * Generate API methods
  */
 
-require('./request');
+Object.keys(endpoints.methods).forEach(function(method){
+  var met = endpoints.methods[method];
+  Object.keys(met).forEach(function(m){
+    MovieDB.prototype[method + m] = function(params, fn){
+      var self = this;
+
+      if("function" == typeof params) {
+        fn = params;
+        params = {};
+      }
+
+      if(!this.token || Date.now() > +new Date(this.token.expires_at)) {
+        this.requestToken(function(){
+          execMethod.call(self, met[m].method, params, met[m].resource, fn);
+        });    
+      } else {
+        execMethod.call(this, met[m].method, params, met[m].resource, fn);
+      } 
+    };
+
+  });
+});
+
+var execMethod = function(type, params, endpoint, fn){
+  params = params || {};
+  endpoint = endpoint.replace(':id', params.id);
+  
+  request(type, endpoints.base_url + endpoint)
+  .query({api_key : this.api_key})
+  .send(params)
+  .set('Accept', 'application/json')
+  .end(function(res){
+    if(res.ok) fn(null, res.body);
+    else if(res.body && res.body.status_message) fn(new Error(res.body.status_message), null);
+    else fn(res.error, null);
+  });
+};