var attrs, coffee, coffees, to_print;

coffee = {
  name: 'French',
  strength: 1
};

console.log(coffee);

// Spaced-out writing
coffee = {
  name: 'French',
  strength: 1
};

console.log(coffee);

coffee = {
  name: 'French',
  strength: 1,
  brew: function() {
    return console.log(`Brewing ${this.name}`);
  },
  pour: function(amount = 1) {
    if (amount === 1) {
      return "Poured a single cup";
    } else {
      return `Poured ${amount} cups`;
    }
  }
};

coffee.brew();

console.log(coffee.pour());

console.log(coffee.pour(2));

coffees = {
  french: {
    strength: 1,
    in_stock: 20
  },
  italian: {
    strength: 2,
    in_stock: 12
  },
  decaf: {
    strength: 0,
    in_stock: 0
  }
};

console.log(coffees);

for (coffee in coffees) {
  attrs = coffees[coffee];
  // For key, value of object. Notice how the "for" applies to everything to its
  // left, including the console.log.
  console.log(`${coffee} has ${attrs.in_stock}`);
}

// It compiles exactly like this:
for (coffee in coffees) {
  attrs = coffees[coffee];
  console.log(`${coffee} has ${attrs.in_stock}`);
}

to_print = (function() {
  var results;
  results = [];
  for (coffee in coffees) {
    attrs = coffees[coffee];
    if (attrs.in_stock > 0) {
      results.push(`${coffee} has ${attrs.in_stock}`);
    }
  }
  return results;
})();

console.log(to_print.join(", "));

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