using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;

namespace RegularExam
{
    internal class Perfumery
    {
        private string name;
        private List<Perfume> perfumes;

        public Perfumery (string name)
        {
            this.name = name;
            this.perfumes = new List<Perfume>();
        }

        public string Name
        {
            get { return name; }
            set
            {
                if (value.Length < 6)
                {
                    throw new ArgumentException("Invalid perfumery name!");
                }
                name = value;
            }
        }

        public void AddPerfume(Perfume perfume)
        {
            this.perfumes.Add(perfume);
        }

        public bool SellPerfume(Perfume perfume)
        {
            foreach (Perfume checkPerfume in perfumes)
            {
                if (checkPerfume.Brand == perfume.Brand && checkPerfume.Price == perfume.Price)
                {
                    this.perfumes.Remove(checkPerfume);
                    return true;
                }
            }
            return false;
        }

        public double CalculateTotalPrice()
        {
            return this.perfumes.Select(e => e.Price).Sum();
        }

        public Perfume GetPerfumeWithHighestPrice()
        {
            return perfumes.OrderByDescending(e => e.Price).First();
        }

        public Perfume GetPerfumeWithLowestPrice()
        {
            return perfumes.OrderBy(e => e.Price).First();
        }

        public void RenamePerfumery(string newName)
        {
            Name = newName;
        }

        public void SellAllPerfumes()
        {
            this.perfumes.Clear();
        }

        public override string ToString()
        {
            var sb = new StringBuilder();

            if (perfumes.Count() > 0)
            {
                sb.Append($"Perfumery {name} has {perfumes.Count} perfume/s:\n");
                sb.Append(string.Join("\n", perfumes));
            }
            else
            {
                sb.Append($"Perfumery {name} has no available perfumes.");

            }
            return sb.ToString();
        }

    }
}