module Dodge.Placement.Instance.Button where
import Dodge.Data
import Dodge.LightSource
import Color
import Geometry
import Dodge.LevelGen.Data
import Dodge.LevelGen.Switch
import Dodge.Placement.Instance.LightSource
import Dodge.PlacementSpot

import Data.Maybe
import Control.Lens

triggerSwitchSPic :: ButtonDraw -> PlacementSpot -> Placement
triggerSwitchSPic sdraw ps = psPtCont ps (PutTrigger False)
    $ \tp -> Just $ pContID ps (PutButton (makeSwitchSPic sdraw (SetTrigger True $ trigid tp) 
        (SetTrigger False $ trigid tp))) 
                    (const Nothing)
  where
    trigid tp = fromJust $ _plMID tp

triggerSwitchSPicLight :: ButtonDraw -> PlacementSpot -> Placement
triggerSwitchSPicLight sdraw ps = psPtCont ps (PutTrigger False)
    $ \tp -> Just $ pContID atFstLnkOut (PutLS thels)
    $ \lsid -> Just 
        $ pContID ps (PutButton (makeSwitchSPic sdraw (oneff lsid $ trigid tp) (offeff lsid $ trigid tp))) 
                    (const Nothing)
  where
    thels = lsColPosRad (V3 0.5 0 0) (V3 0 0 78) 75
    trigid tp = fromJust $ _plMID tp
    oneff  lsid tid = WorldEffects [SetLSCol (V3 0 0.5 0) lsid, SetTrigger True tid]
    offeff lsid tid = WorldEffects [SetLSCol (V3 0.5 0 0) lsid, SetTrigger False tid]

triggerSwitch :: Color -> PlacementSpot -> Placement
triggerSwitch col ps = psPtCont ps (PutTrigger False)
    $ \tp -> Just $ pContID ps (PutButton (makeSwitch col col (SetTrigger True $ trigid tp) 
        (SetTrigger False $ trigid tp))) 
                    (const Nothing)
  where
    trigid tp = fromJust $ _plMID tp

putLitButOnPos :: Color 
    -> PlacementSpot 
    -> (Placement -> Maybe Placement) -> Placement
putLitButOnPos col theps subpl 
    = plSpot .~ theps $ mntLSOn aShape (Just col) ls 0 (V3 0 (-40) 40)
    $ \plmnt -> jps0' (PutButton (makeButton col (changeLight . fromJust $ _plMID plmnt)) {_btPos = V2 0 (-1), _btRot = pi})
                subpl <&> plSpot .~ _plSpot plmnt
  where
    changeLight lsid = SetLSCol (V3 0 0.5 0) lsid
    ls = lsRadCol 75 (V3 0.5 0 0)

-- creates a lit external trigger, passes the trigger placement forward
extTrigLitPos :: PlacementSpot -> (Placement -> Maybe Placement) -> Placement
extTrigLitPos ps f = psPtCont ps (PutTrigger False)
    $ \tp -> Just $ pContID (ps' tp) (PutLS thels)
    $ \lsid -> Just $ pContID (ps' tp) (PutMod $ themod lsid tp)
    $ const (f tp)
  where
    ps' tp = _plSpot tp
    themod lsid tp = ModIDID
        {_mdID = 0
        ,_mdExternalID1 = lsid
        ,_mdExternalID2 = fromJust $ _plMID tp
        ,_mdUpdate = \md w -> if w ^?! triggers . ix (_mdExternalID2 md)
            then w & lightSources . ix (_mdExternalID1 md) . lsParam . lsCol .~ V3 0 0.5 0
            else w & lightSources . ix (_mdExternalID1 md) . lsParam . lsCol .~ V3 0.5 0 0
        }
    thels = lsColPosRad (V3 0.5 0 0) (V3 0 0 78) 75

putLitButOnPosExtTrig :: Color -> PlacementSpot -> Placement
putLitButOnPosExtTrig col thePS = putLitButOnPosExtTrig' col thePS (const . const . const Nothing)

putLitButOnPosExtTrig' :: Color 
    -> PlacementSpot 
    -> (Placement -> Placement -> Placement -> Maybe Placement)
    -> Placement
putLitButOnPosExtTrig' col thePS cnt
    = psPtCont thePS (PutTrigger False)
    $ \tp -> Just $ plSpot .~ _plSpot tp $ mntLSOn aShape (Just col) ls 0 (V3 0 (-40) 40)
    $ \plmnt -> jps0' (PutButton 
            (makeButton col (WorldEffects [changeLight (fromJust $ _plMID plmnt), oneff (trigid tp)])) 
                {_btPos = V2 0 (-1), _btRot = pi})
            (cnt tp plmnt) <&> plSpot .~ _plSpot plmnt
  where
    trigid tp = fromJust $ _plMID tp
    oneff tid = SetTrigger True tid
    changeLight = SetLSCol (V3 0 0.5 0)
    ls = lsRadCol 75 (V3 0.5 0 0)