{-# LANGUAGE OverloadedStrings #-}

module Script.Level2 where

import qualified Play.Engine.MySDL.MySDL as MySDL
import qualified SDL.Mixer as Mix

import Script
import Play.Engine
import qualified Enemy.Static as St
import qualified Enemy.CrossDown as CDE
import qualified GameState as GS
import qualified Script.Boss as Boss
import qualified TextBox as TB
import qualified Data.Map as M
import Data.Maybe (isNothing)
import Data.List (intersperse)


level2 :: Bool -> Scene
level2 playMusic =
  GS.mkGameState $ Script
    wantedAssets
    (lScript playMusic)
    (level2 False)


wantedAssets :: [(String, MySDL.ResourceType FilePath)]
wantedAssets =
  CDE.wantedAssets
  ++ St.wantedAssets
  ++ TB.wantedAssets
  ++ [ ("battle", MySDL.Music "battle.ogg")
     , ("nyx-avatar", MySDL.Texture "nyx-avatar.png")
     ]


lScript :: Bool -> MySDL.Resources -> Script
lScript playMusic MySDL.Resources{ MySDL.textures = ts, MySDL.fonts = fs, MySDL.music = ms } =
  
  [ goToLoc $ Point 380 800
  ] ++
  [ PlayMusic Mix.Forever ("battle", M.lookup "battle" ms)
  | playMusic
  ] ++
  [ LoadTextBox act{ stopTheWorld = True } $
    TB.make TB.Bottom 4 "This is harder than I expected..." (M.lookup "nyx-avatar" ts) (M.lookup "unispace" fs)
  ] ++
    intersperse
      ( If (const . isNothing)
        [ Wait noAction 60
        , FadeOut act{ command = Replace $ level2 False } 0
        ]
      )

  -- Second wave
  ( concat
    [ [ Spawn $ sequence [CDE.make (Point 100 (-180)) (Right ()) ts]
      , Wait noAction 50
      ]
    , spawnStaticAndWait 450 300 ts
    , [ Spawn $ sequence [CDE.make (Point 700 (-180)) (Left ()) ts]
      , Wait noAction 80
      ]
    , [ Spawn $ sequence [CDE.make (Point 600 (-150)) (Left ()) ts]
      , Wait noAction 60
      ]
    , [ Spawn $ sequence [CDE.make (Point 100 (-180)) (Right ()) ts]
      , Wait noAction 40
      ]
    , spawnStaticAndWait 600 300 ts
    , spawnStaticAndWait 250 250 ts
    , [ spawnTwoCDEs (Left ()) (Right ()) ts
      , Wait noAction 70
      , spawnTwoCDEs (Right ()) (Left ()) ts
      , Wait noAction 70
      ]
    , [ spawnTwoCDEs (Left ()) (Right ()) ts
      , Wait noAction 60
      , spawnTwoCDEs (Right ()) (Left ()) ts
      ]
    , spawnStaticAndWait 600 300 ts
    , spawnStaticAndWait 250 250 ts
    , [ spawnTwoCDEs (Left ()) (Right ()) ts
      , Wait noAction 60
      , spawnTwoCDEs (Right ()) (Left ()) ts
      ]
    ] ++

    -- Second wave done
    [ WaitUntil noAction (\nyx bullets -> isNothing nyx || null bullets)
    , Wait noAction 200
    , StopMusic
    , Wait act{ stopTheWorld = True } 30
    , Wait act{ command = Replace $ Boss.boss True 0 } 60
    ]
  )

spawnTwoCDEs dir1 dir2 ts =
  Spawn $ sequence
    [ CDE.make (Point 300 (-180)) dir1 ts
    , CDE.make (Point 400 (-180)) dir2 ts
    ]

spawnStaticAndWait posx target ts =
  [ Spawn $ sequence
    [ St.make (Point posx (-100)) (Point 0 1) target ts
    ]
  , Wait noAction 110
  ]