public void UpdateQuality()
{
for (var i = 0; i < Items.Count; i++)
{
if (!validate.NameEquals(Items[i], "Aged Brie") && !validate.NameEquals(Items[i], "Backstage passes to a TAFKAL80ETC concert"))
{
if (!validate.QualityLowerThan(Items[i], 0))
{
if (!validate.NameEquals(Items[i], "Sulfuras, Hand of Ragnaros"))
{
operations.DecrementQuality(Items[i], 1);
}
}
}
else
{
if (validate.QualityLowerThan(Items[i], 50))
{
operations.IncrementQuality(Items[i], 1);
if (!validate.NameEquals(Items[i], "Backstage passes to a TAFKAL80ETC concert"))
{
if (validate.SellInLowerThan(Items[i], 11))
{
if (validate.QualityLowerThan(Items[i], 50))
{
operations.IncrementQuality(Items[i], 1);
}
}
if (validate.SellInLowerThan(Items[i], 6))
{
if (validate.QualityLowerThan(Items[i], 50))
{
operations.IncrementQuality(Items[i], 1);
}
}
}
}
}
if (!validate.NameEquals(Items[i], "Sulfuras, Hand of Ragnaros"))
{
operations.DecrementSellIn(Items[i], 1);
}
if (validate.SellInLowerThan(Items[i], 0))
{
if (!validate.NameEquals(Items[i], "Aged Brie"))
{
if (!validate.NameEquals(Items[i], "Backstage passes to a TAFKAL80ETC concert"))
{
if (!validate.QualityLowerThan(Items[i], 0))
{
if (!validate.NameEquals(Items[i], "Sulfuras, Hand of Ragnaros"))
{
operations.DecrementQuality(Items[i], 1);
}
}
}
else
{
operations.DecrementQuality(Items[i], Items[i].Quality);
}
}
else
{
if (validate.QualityLowerThan(Items[i], 50))
{
Items[i].Quality = Items[i].Quality + 1;
operations.IncrementQuality(Items[i], 1);
}
}
}
}
}