using System;

using System.Linq;

using System.Collections.Generic;

using System.Threading.Tasks;

using RestSharp;

// Task 7

// *************************************************

static class Extensions

{

    public static int Add(this int value, int valueToAdd) => value + valueToAdd;

}

// *************************************************

​

public class Program

{

    // Task 5

    // *************************************************

    interface IMakesSound 

    {

        string MakeSound();

    }

    class Dog : IMakesSound 

    {

        public string MakeSound() => "woof";

    }

    class Cat : IMakesSound 

    {

        public string MakeSound() => "meow";

    }

    // *************************************************

​

    // Task 8

    // *************************************************

    class RestResult 

    {

        public Dictionary<string, double> bitcoin { get; set; }

    }

    // *************************************************

​

    // Task 9

    // *************************************************

    class Dolphin 

    {

        public override bool Equals(object value) => value is Fish;

    }

    class Fish 

    {

    }

    // *************************************************

    public static async Task Main()

    {

        // Output the following date 2023-12/31 23:59:59--222

        Console.WriteLine("Task 1");

        var dt = new DateTime(2023, 12, 31, 23, 59, 59, 222);

        Console.WriteLine(dt.ToString("yyyy-MM/dd HH:mm:ss--fff"));

        // Output the following 1,255.63% using toString

        Console.WriteLine("\nTask 2");

        var pct = 12.5563;

        Console.WriteLine(pct.ToString("P2"));

​

        // Concatenate all these words together to make a sentence and output them to the Console

        Console.WriteLine("\nTask 3");

        var words = new string[] { "You","can","catch","more","flies","with","honey","than","you","can","with","vinegar" };

        Console.WriteLine(string.Join(" ", words));

        //Take the below array and output it to screen like below (sorted descending)

        //f|e|d|c|b|a

        Console.WriteLine("\nTask 4");

        var alphabet = new string[] { "b","c","e","f","a","d" };

        Console.WriteLine(string.Join("|", alphabet.OrderByDescending(a => a)));

        Console.WriteLine("\nTask 5");

        // Create an Interface that has a method MakesSound and returns a string. Create a Dog and a Cat class that implements the interface and output the following

        // Dog: woof

        // Cat: meow

        var dog = new Dog();

        var cat = new Cat();

        Console.WriteLine("Dog: " + dog.MakeSound());

        Console.WriteLine("Cat: " + cat.MakeSound());

        // Remove each word with the letter "m" in it or if it ends with "s" but doesn't start with "a" and output it to the console.

        Console.WriteLine("\nTask 6");

        var wordsToFilter = new string[] { "jumps", "sump", "amps", "alps", "hill", "halls", "smith" };

        var filteredWords = wordsToFilter.Where(w => !(w.Contains("m") || (w.EndsWith("s") && !w.StartsWith("a"))));

        Console.WriteLine(string.Join("\n", filteredWords));

        // Create an extension methods that can handle this method below

        Console.WriteLine("\nTask 7");

        int age = 6.Add(5);

        Console.WriteLine(age);

        // Fetch data from the following API

        // https://api.coingecko.com/api/v3/simple/price?ids=bitcoin&vs_currencies=zar

        // Return only the ZAR amount with thousand separators E.G 632 240.00 

        Console.WriteLine("\nTask 8");

        var client = new RestClient("https://api.coingecko.com");

        var result = await client.GetJsonAsync<RestResult>("/api/v3/simple/price?ids=bitcoin&vs_currencies=zar");

        Console.WriteLine(result.bitcoin["zar"].ToString("### 000.00"));

        // Create two classes, one a fish and another a dolphin

        // Create an instance of a fish and a dolphin and using the following code make sure it returns true

        // Console.WriteLine(dolphin.Equals(fish).ToString());

        Console.WriteLine("\nTask 9");

        var fish = new Fish();

        var dolphin = new Dolphin();

        Console.WriteLine(dolphin.Equals(fish).ToString());

    }

}