using System.Text;

namespace Model
{
    public class Recipe
    {
        public uint Id { get; set; }
        public string Title { get; set; }
        public List<string> Ingredients { get; set; }
        public string Preparation { get; set; }

        /// <summary>
        /// Constructor of a Recipe.
        /// </summary>
        /// <param name="id">Identificator</param>
        /// <param name="title">The name of the recipe</param>
        /// <param name="ingredients">A list of ingredient needed by the preparation</param>
        /// <param name="preparation">The text that explain the preparation of the recipe</param>
        public Recipe(uint id, string title, List<string> ingredients, string preparation)
        {
            Id = id;
            Title = title;
            Ingredients = ingredients;
            Preparation = preparation;
        }

        /// <summary>
        /// Concatenate the list of ingredients in a single string
        /// </summary>
        /// <returns>The list of ingredients in string format</returns>
        private string ConcatIngredients()
        {
            StringBuilder sb = new StringBuilder();
            foreach (string str in Ingredients) sb.Append("\t- " + str + "\n");

            return sb.ToString();
        }

        /// <summary>
        /// Build a string with all elements (title, ingredients, preparation, ...)
        /// </summary>
        /// <returns>A string that represent the recipe</returns>
        public override string ToString()
        {
            return $"{Title} -- id:{Id}\n\n"
                  + "List of ingredient:\n"
                  + ConcatIngredients() + "\n\n"
                  + "Preparation:\n"
                  + $"{Preparation}\n";
        }

        /// <summary>
        /// Display the recipe in the console
        /// </summary>
        public void Display()
        {
            Console.WriteLine(this.ToString());
        }
    }
}