# -*- coding: utf-8 -*-
import unittest

from gilded_rose import Item, GildedRose


class GildedRoseTest(unittest.TestCase):
    def test_foo(self):
        items = [Item("foo", 0, 0)]
        gilded_rose = GildedRose(items)
        gilded_rose.update_quality()
        self.assertEquals("foo", items[0].name)

    def test_item_quality_degrades_double_when_sell_in_negative(self):
        items = [Item("foo", -1, 15)]
        gilded_rose = GildedRose(items)
        gilded_rose.update_quality()
        self.assertEquals(13, items[0].quality)

    def test_item_quality_wont_go_negative(self):
        items = [Item("foo", 5, 0)]
        gilded_rose = GildedRose(items)
        gilded_rose.update_quality()
        self.assertEquals(0, items[0].quality)

    def test_aged_brie_quality_cap(self):
        items = [Item("Aged Brie", 10, 50)]
        gilded_rose = GildedRose(items)
        gilded_rose.update_quality()
        self.assertEquals(50, items[0].quality)

    def test_aged_brie_sell_in_decrease(self):
        items = [Item("Aged Brie", 30, 30)]
        gilded_rose = GildedRose(items)
        gilded_rose.update_quality()
        self.assertEquals(29, items[0].sell_in)

    def test_aged_brie_quality_increase(self):
        items = [Item("Aged Brie", 30, 30)]
        gilded_rose = GildedRose(items)
        gilded_rose.update_quality()
        self.assertEquals(31, items[0].quality)

    def test_aged_brie_quality_increase_double_when_sell_in_negative(self):
        items = [Item("Aged Brie", -10, 20)]
        gilded_rose = GildedRose(items)
        gilded_rose.update_quality()
        self.assertEquals(22, items[0].quality)

    def test_sulfuras_quality_doesnt_change(self):
        items = [Item("Sulfuras, Hand of Ragnaros", 10, 80)]
        gilded_rose = GildedRose(items)
        gilded_rose.update_quality()
        self.assertEquals(80, items[0].quality)

    def test_sulfuras_when_passed_sell_in(self):
        items = [Item("Sulfuras, Hand of Ragnaros", -10, 80)]
        gilded_rose = GildedRose(items)
        gilded_rose.update_quality()
        self.assertEquals(80, items[0].quality)

    def test_backstage_pass_increases_quality(self):
        items = [Item("Backstage passes to a TAFKAL80ETC concert", 20, 20)]
        gilded_rose = GildedRose(items)
        gilded_rose.update_quality()
        self.assertEquals(21, items[0].quality)

    def test_backstage_pass_10_days_to_go(self):
        items = [Item("Backstage passes to a TAFKAL80ETC concert", 10, 20)]
        gilded_rose = GildedRose(items)
        gilded_rose.update_quality()
        self.assertEquals(22, items[0].quality)

    def test_backstage_pass_5_days_to_go(self):
        items = [Item("Backstage passes to a TAFKAL80ETC concert", 5, 20)]
        gilded_rose = GildedRose(items)
        gilded_rose.update_quality()
        self.assertEquals(23, items[0].quality)

    def test_backstage_pass_quality_after_concert(self):
        items = [Item("Backstage passes to a TAFKAL80ETC concert", 0, 30)]
        gilded_rose = GildedRose(items)
        gilded_rose.update_quality()
        self.assertEquals(0, items[0].quality)

    def test_conjured_item_quality_decrease(self):
        items = [Item("Conjured", 10, 30)]
        gilded_rose = GildedRose(items)
        gilded_rose.update_quality()
        self.assertEquals(28, items[0].quality)

    def test_conjured_item_quality_increase_double_when_sell_in_negative(self):
        items = [Item("Conjured", 0, 30)]
        gilded_rose = GildedRose(items)
        gilded_rose.update_quality()
        self.assertEquals(26, items[0].quality)


if __name__ == '__main__':
    unittest.main()