using System.Collections.Generic;

namespace GildedRose.Console
{
    class Program
    {
        IList<Item> Items;
        static void Main(string[] args)
        {
            System.Console.WriteLine("OMGHAI!");

            var app = new Program()
                          {
                              Items = new List<Item>
                                          {
                                              new Item {Name = "+5 Dexterity Vest", SellIn = 10, Quality = 20},
                                              new Item {Name = "Aged Brie", SellIn = 2, Quality = 0},
                                              new Item {Name = "Elixir of the Mongoose", SellIn = 5, Quality = 7},
                                              new Item {Name = "Sulfuras, Hand of Ragnaros", SellIn = 0, Quality = 80},
                                              new Item {Name = "Sulfuras, Hand of Ragnaros", SellIn = -1, Quality = 80},
                                              new Item
                                                  {
                                                      Name = "Backstage passes to a TAFKAL80ETC concert",
                                                      SellIn = 15,
                                                      Quality = 20
                                                  },
                                              new Item
                                                  {
                                                      Name = "Backstage passes to a TAFKAL80ETC concert",
                                                      SellIn = 10,
                                                      Quality = 49
                                                  },
                                              new Item
                                                  {
                                                      Name = "Backstage passes to a TAFKAL80ETC concert",
                                                      SellIn = 5,
                                                      Quality = 49
                                                  },
                                              // this conjured item does not work properly yet
                                              new Item {Name = "Conjured Mana Cake", SellIn = 3, Quality = 6}
                                          }

                          };

            for (var i = 0; i < 31; i++)
            {
                System.Console.WriteLine("-------- day " + i + " --------");
                System.Console.WriteLine("name, sellIn, quality");
                for (var j = 0; j < app.Items.Count; j++)
                {
                    System.Console.WriteLine(app.Items[j].Name + ", " + app.Items[j].SellIn + ", " + app.Items[j].Quality);
                }
                System.Console.WriteLine("");
                app.UpdateQuality();
            }
            System.Console.ReadKey();

        }

        public void UpdateQuality()
        {
            for (var i = 0; i < Items.Count; i++)
            {
                if (Items[i].Name != "Aged Brie" && Items[i].Name != "Backstage passes to a TAFKAL80ETC concert")
                {
                    if (Items[i].Quality > 0)
                    {
                        if (Items[i].Name != "Sulfuras, Hand of Ragnaros")
                        {
                            Items[i].Quality = Items[i].Quality - 1;
                        }
                    }
                }
                else
                {
                    if (Items[i].Quality < 50)
                    {
                        Items[i].Quality = Items[i].Quality + 1;

                        if (Items[i].Name == "Backstage passes to a TAFKAL80ETC concert")
                        {
                            if (Items[i].SellIn < 11)
                            {
                                if (Items[i].Quality < 50)
                                {
                                    Items[i].Quality = Items[i].Quality + 1;
                                }
                            }

                            if (Items[i].SellIn < 6)
                            {
                                if (Items[i].Quality < 50)
                                {
                                    Items[i].Quality = Items[i].Quality + 1;
                                }
                            }
                        }
                    }
                }

                if (Items[i].Name != "Sulfuras, Hand of Ragnaros")
                {
                    Items[i].SellIn = Items[i].SellIn - 1;
                }

                if (Items[i].SellIn < 0)
                {
                    if (Items[i].Name != "Aged Brie")
                    {
                        if (Items[i].Name != "Backstage passes to a TAFKAL80ETC concert")
                        {
                            if (Items[i].Quality > 0)
                            {
                                if (Items[i].Name != "Sulfuras, Hand of Ragnaros")
                                {
                                    Items[i].Quality = Items[i].Quality - 1;
                                }
                            }
                        }
                        else
                        {
                            Items[i].Quality = Items[i].Quality - Items[i].Quality;
                        }
                    }
                    else
                    {
                        if (Items[i].Quality < 50)
                        {
                            Items[i].Quality = Items[i].Quality + 1;
                        }
                    }
                }
            }
        }

    }

    public class Item
    {
        public string Name { get; set; }

        public int SellIn { get; set; }

        public int Quality { get; set; }
    }

}