using System;
using System.Collections.Generic;

namespace RestaurantAssignment
{
    public class Stock
    {
        public List<DrinkItem> Drinks { get; set; }
        public List<FoodItem> Foods { get; set; }

        public Stock()
        {
            Drinks = new List<DrinkItem>();
            Foods = new List<FoodItem>();

        }

        public List<string> GetDrinkNames()
        {
            List<string> drinks = new List<string>();

            foreach (var item in Drinks)
            {
                var name = item.Name;

                // If the item is alcoholic, add alcoholic volume to item name
                if (item.IsAlcoholic())
                    name = $"{name} ({item.GetAlcoholicVolume()}%)";
                //  name = name + " (" + item.GetAlcoholicVolume() + "%)";

                drinks.Add(name);
            }

            return drinks;
        }

        public List<string> GetFoodNames()
        {
            List<string> foods = new List<string>();

            foreach (var item in Foods)
            {
                foods.Add(item.Name);
            }

            return foods;
        }

        public List<DrinkItem> GetAlcoholicDrinks()
        {
            List<DrinkItem> alcholicDrinks = new List<DrinkItem>();

            foreach (var item in Drinks)
            {
                if (item.IsAlcoholic())
                    alcholicDrinks.Add(item);
            }

            return alcholicDrinks;
        }

        public List<string> GetAlcoholicDrinkNames()
        {
            List<string> alcholicDrinkNames = new List<string>();

            foreach (var item in Drinks)
            {
                if (item.IsAlcoholic())
                    alcholicDrinkNames.Add(item.Name);
            }

            return alcholicDrinkNames;
        }

        // Assign total cost to all items on order
        public double TotalCost()
        {
            double runningTotal = 0;

            foreach (var drink in Drinks)
            {
                runningTotal += drink.GetCost();
            }

            foreach (var food in Foods)
            {
                runningTotal += food.GetCost();
            }

            return runningTotal;
        }

        // User creates new food item and assigns the appropriate number of servings
        public void AddFoodItem()
        {
            FoodItem food = new FoodItem();
            AddItem(food);

            Console.WriteLine("Add number of servings");
            Console.Write("> ");
            var servings = Console.ReadLine();

            food.SetNumberServed(Convert.ToInt32(servings));

            Foods.Add(food);

using (StreamWriter sw = new StreamWriter("Drink_menu.txt", true))
                        {
                            sw.WriteLine(outputDrink);
                        }

        }

        // User creates new drink and adds alcoholic volume
        public void AddDrinkItem()
        {
            DrinkItem drink = new DrinkItem();
            AddItem(drink);

            Console.WriteLine("Enter alcoholic volume");
            Console.Write("> ");
            var alcoholic = Console.ReadLine();

            drink.SetAlcoholicVolume(Convert.ToDouble(alcoholic));

            Drinks.Add(drink);
        }

        // User inputs name, description and price. This is then assigned to the item
        public void AddItem(Item item)
        {
            Console.WriteLine("Adding new item...");
            Console.WriteLine("Enter new item name");

            Console.Write("> ");
            item.Name = Console.ReadLine();

            Console.WriteLine("Enter new item description");
            Console.Write("> ");
            item.Description = Console.ReadLine();

            Console.WriteLine("Enter new item price");
            Console.Write("> ");
            item.SetCost(Convert.ToDouble(Console.ReadLine()));
        }
    }

    public class Item
    {
        public string Name;
        public string Description;

        private double cost;

        public Item()
        {

        }

        public double GetCost()
        {
            return cost;
        }

        // SetCost ensures a valid cost is set
        public void SetCost(double newCost)
        {
            // Turnary statement, if new cost is less than or equal to 0
            // Set cost to 0, else set the cost to new cost
            cost = (newCost <= 0) ? 0 : newCost;
        }
    }

    public class FoodItem : Item
    {
        private int numberServed;

        public int GetNumberServed()
        {
            return numberServed;
        }

        public void SetNumberServed(int servings)
        {
            // Check that servings does not exceed the maximum.
            if (servings < 0 || servings > 4)
            {
                return;
            }

            numberServed = servings;
        }

        public FoodItem(string name)
        {
            Name = name;
        }

        public FoodItem()
        {

        }
    }

    // 1. AlcoholicVolume Property
    // 2. Getter and Setter for AlcoholicVolume
    // 3. Add validation to the AlcoholicVolume Setter
    // 4. Add a Constructor for Drink which takes a name
    // 5. Add IsAlcoholic() method, returning true if
    //    AlcoholicVolume is > 0.

    public class DrinkItem : Item
    {

        private double AlcoholicVolume;

        public double GetAlcoholicVolume()
        {
            return AlcoholicVolume;
        }

        public void SetAlcoholicVolume(double volume)
        {
            // Check if level of alcohol is < 0
            if (AlcoholicVolume < 0)
            {
                return;
            }

            AlcoholicVolume = volume;
        }

        public DrinkItem(string name)
        {
            Name = name;
        }

        public DrinkItem()
        {

        }

        public bool IsAlcoholic()
        {
            // Checks if alcoholic volume is > 0, if it is
            // return true
            return AlcoholicVolume > 0;
        }
    }
}