var MongoClient = require('mongodb').MongoClient;
var assert = require('assert')

var user = "abema"
var password = process.env.mdPassword
var host = function(stg_prd){
  if(stg_prd == "prd"){
    return 'prd-mongos-01-a.in.abema.io:27017'
  }else{
    return 'dev-mongodb.in.abema.io:27017'
  }
}(process.env.mdEnv);
var db = "abema"

var url = function(user, password, host, db){
  return "mongodb://" + user + ":" + password + "@" + host + "/" + db
}(user, password, host, db)
console.log(url)

var find = function(db, collection, callback) {
   var cursor = db.collection(collection).find();
   cursor.each(function(err, doc) {
      assert.equal(err, null);
      if (doc != null) {
         console.log(doc);
      } else {
         callback();
      }
   });
};

MongoClient.connect(url, function(err, db) {
  assert.equal(null, err);
  /*
  find(db, "channels", function() {
      db.close();
  });
  */
});