module Terminal.Game.DrawSpec where

import Test.Hspec
import Terminal.Game.Plane
import Terminal.Game.Draw


spec :: Spec
spec = do

  describe "mergePlanes" $ do
    it "piles multiple planes together" $
      mergePlanes (stringPlane "aa")
                  [((1,2), cell 'b')] `shouldBe` stringPlane "ab"
    it "works in the middle too" $
      mergePlanes (stringPlane "aaa\naaa\naaa")
                  [((2,2), cell 'b')] `shouldBe`
                    stringPlane "aaa\naba\naaa"

  describe "textBox/textBoxLiquid" $ do
    let s  = "las rana in Spa"
        w  = 6
        ps = textBox s w 2
        pl = textBoxLiquid s w
    it "textBox follows specific size" $
      planeSize ps `shouldBe` (6, 2)
    it "textBoxLiquid fits the whole string" $
      planeSize pl `shouldBe` (6, 3)

  describe "***" $ do
    let a  = stringPlane ".\n.\n.\n"
        b  = stringPlane "*"
        c  = stringPlane ".\n*\n.\n"
    it "blits b in the centre of a" $
      a *** b `shouldBe` c