Program.cs

// See https://aka.ms/new-console-template for more information
Console.Clear();
Console.WriteLine("Hello, World!"); // console.log

// SECTION strings

string firstName = "Jeremy";

firstName = "Jerms";

// firstName = 2; 🙅‍♂️ once it's a string, it's always a string!

var lastName = "Fowler";

// lastName = 0;

string favoriteCat = "Georgie";

char middleInitial = 'B';

char favoriteLetter = 'J';

string fullName = firstName + ' ' + middleInitial + ' ' + lastName;

Console.WriteLine($"My name is {fullName}! My favorite letter is of course the letter {favoriteLetter} and my favorite cat is named {favoriteCat}.");

// !SECTION

// SECTION numbers

int age = 34;

age = age + 1;
age += 1;
age++;
age *= 5;
age %= 2;
age /= 2;

age = 35;


Console.WriteLine($"I am {age} years old!");

int maxInt = 2147483647;

maxInt++; // -2147483648

float amountOfCoffeeSipped = 2.09090f;

double amountOfHugsGivenToDad = 3.4;

decimal amountInBank = 2.3434343434343565654656m; // use for money 💵

var someNumber = 23.2; // double

Console.WriteLine("MAXIMUM INT " + maxInt);

// !SECTION

// SECTION boolean

bool ateBreakfast = true;

bool drankCoffee = false;

// if ("7" == 7) 🙅‍♂️ cannot compare two different data types


if (2 + 2 == 4)
{
  Console.WriteLine("Math is working");
}

// if(2 + 2) 🙅‍♂️ truthy falsy does not exist in C#

if (ateBreakfast && drankCoffee)
{
  Console.WriteLine($"{firstName} is in a great mood");
}
else if (ateBreakfast || drankCoffee)
{
  Console.WriteLine($"{firstName} is in an okay mood");
}
else
{
  Console.WriteLine("Lecture is over go work on your crap");
}
// !SECTION

// SECTION null

string? nothing = null;

string noString; // defaults to null
int noNumber; // defaults to 0
bool noBool; // defaults to false

// undefined does not exist in C#

// !SECTION

// SECTION reference types [] {}

// NOTE arrays are dog water
string[] dogNames = ["dipper", "pluto", "chomp", "jackson", "hooper", "jalapeno"];

Console.WriteLine($"The first dog is named {dogNames[0]}");

for (int i = 0; i < dogNames.Length; i++)
{
  string name = dogNames[i];
  Console.WriteLine($"WOOF WOOF MY NAME IS {name.ToUpper()}!");
}

// NOTE Lists are more flexible and easier to use in C#
List<string> birdNames = ["louie", "tweety"];

birdNames.Add("annie"); // js push method
birdNames.Add("jake overall");

birdNames.Insert(0, "sam"); // js unshift method

birdNames.ForEach(name => Console.WriteLine($"CAW CAW MY NAME IS {name}"));


Cat gopher = new Cat("gopher", 5, true, "black", ["plant", "bread", "toilet water", "flies"]);

// Console.WriteLine(gopher.Introduction());
// Console.WriteLine(gopher._thingsEaten); 🙅‍♂️ cannot access private members outside of the class definition

List<Cat> cats = [
  gopher,
new Cat("georgie", 10, true, "gray", ["plastic"]),
new Cat("frankie", 5, true, "black", ["cheese", "cat food"])
];

foreach (var cat in cats)
{
  Console.WriteLine(cat.Introduction());
}

class Cat
{

  // NOTE class members should be named with UpperPascalCase
  public string Name { get; set; }
  public int Age { get; set; }
  public bool LikesCheese { get; set; }
  public string Color { get; set; }
  // NOTE cannot access private members OUTSIDE of the class definition
  private string[] _thingsEaten;

  // NOTE this is the constructor
  // NOTE parameters should be named with lowerCamelCase
  public Cat(string name, int age, bool likesCheese, string color, string[] thingsEaten)
  {
    this.Name = name;
    // NOTE the 'this' keyword is optional
    Age = age;
    LikesCheese = likesCheese;
    Color = color;
    _thingsEaten = thingsEaten;
  }

  // NOTE 'string' is the return type of the method 
  public string Introduction()
  {
    // Any is equivalent to the 'some' method in js
    bool threwUp = _thingsEaten.Any(thing => thing == "plant" || thing == "plastic");

    return $"Hello my name is {Name}. I am {Age} years old and I {(LikesCheese ? "like" : "hate")} cheese. My fur is a beautiful shade of {Color}. {(threwUp ? "I threw up on the bed." : "I'm a good cat.")}";
  }
}


// js example
// class Cat{
//     constructor(name, age){
//         this.name = name
//         this.age = age
//     }
// }