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{-# LANGUAGE OverloadedStrings #-}

module TiledAbstract where

import           Universum

import qualified Data.Vector as V
import           Tiled       (Layer (..), Object (..), Property (..),
                              PropertyValue (..), Tile (..), Tiledmap (..),
                              Tileset (..))

class HasProperties a where
  getProperties :: a -> [Property]
  adjustProperties :: ([Property] -> Maybe [Property]) -> a -> a

instance HasProperties Layer where
  getProperties = maybeToMonoid . layerProperties
  adjustProperties f layer = layer
    { layerProperties = f (getProperties layer) }

instance HasProperties Tileset where
  getProperties = maybeToMonoid . tilesetProperties
  adjustProperties f tileset = tileset
    { tilesetProperties = f (getProperties tileset) }

instance HasProperties Tile where
  getProperties = V.toList . maybeToMonoid . tileProperties
  adjustProperties f tile = tile
    { tileProperties = (fmap V.fromList . f) (getProperties tile) }

instance HasProperties Object where
  getProperties = V.toList . maybeToMonoid . objectProperties
  adjustProperties f obj = obj
    { objectProperties = (fmap V.fromList . f) (getProperties obj) }

instance HasProperties Tiledmap where
  getProperties = maybeToMonoid . tiledmapProperties
  adjustProperties f tiledmap = tiledmap
    { tiledmapProperties = f (getProperties tiledmap) }

class HasTypeName a where
  typeName :: Proxy a -> Text
instance HasTypeName Layer where
  typeName _ = "layer"
instance HasTypeName Tileset where
  typeName _ = "tileset"
instance HasTypeName Property where
  typeName _ = "property"

class HasName a where
  getName :: a -> Text
instance HasName Layer where
  getName = layerName
instance HasName Tileset where
  getName = tilesetName
instance HasName Property where
  getName (Property n _) = n

class IsProperty a where
  asProperty :: a -> PropertyValue
instance IsProperty PropertyValue where
  asProperty = id
  {-# INLINE asProperty #-}
instance IsProperty Text where
  asProperty = StrProp
  {-# INLINE asProperty #-}