{- |
Copyright  : Will Thompson, Iñaki García Etxebarria and Jonas Platte
License    : LGPL-2.1
Maintainer : Iñaki García Etxebarria (garetxe@gmail.com)

An attribute in a 'GI.Secret.Structs.Schema.Schema'.
-}

module GI.Secret.Structs.SchemaAttribute
    ( 

-- * Exported types
    SchemaAttribute(..)                     ,
    newZeroSchemaAttribute                  ,
    noSchemaAttribute                       ,


 -- * Properties
-- ** name #attr:name#
    clearSchemaAttributeName                ,
    getSchemaAttributeName                  ,
    schemaAttribute_name                    ,
    setSchemaAttributeName                  ,


-- ** type #attr:type#
    getSchemaAttributeType                  ,
    schemaAttribute_type                    ,
    setSchemaAttributeType                  ,




    ) where

import Data.GI.Base.ShortPrelude
import qualified Data.GI.Base.ShortPrelude as SP
import qualified Data.GI.Base.Overloading as O
import qualified Prelude as P

import qualified Data.GI.Base.Attributes as GI.Attributes
import qualified Data.GI.Base.ManagedPtr as B.ManagedPtr
import qualified Data.GI.Base.GError as B.GError
import qualified Data.GI.Base.GVariant as B.GVariant
import qualified Data.GI.Base.GParamSpec as B.GParamSpec
import qualified Data.GI.Base.CallStack as B.CallStack
import qualified Data.Text as T
import qualified Data.ByteString.Char8 as B
import qualified Data.Map as Map
import qualified Foreign.Ptr as FP

import {-# SOURCE #-} qualified GI.Secret.Enums as Secret.Enums

newtype SchemaAttribute = SchemaAttribute (ManagedPtr SchemaAttribute)
foreign import ccall "secret_schema_attribute_get_type" c_secret_schema_attribute_get_type :: 
    IO GType

instance BoxedObject SchemaAttribute where
    boxedType _ = c_secret_schema_attribute_get_type

-- | Construct a `SchemaAttribute` struct initialized to zero.
newZeroSchemaAttribute :: MonadIO m => m SchemaAttribute
newZeroSchemaAttribute = liftIO $ callocBoxedBytes 16 >>= wrapBoxed SchemaAttribute

instance tag ~ 'AttrSet => Constructible SchemaAttribute tag where
    new _ attrs = do
        o <- newZeroSchemaAttribute
        GI.Attributes.set o attrs
        return o


noSchemaAttribute :: Maybe SchemaAttribute
noSchemaAttribute = Nothing

getSchemaAttributeName :: MonadIO m => SchemaAttribute -> m (Maybe T.Text)
getSchemaAttributeName s = liftIO $ withManagedPtr s $ \ptr -> do
    val <- peek (ptr `plusPtr` 0) :: IO CString
    result <- SP.convertIfNonNull val $ \val' -> do
        val'' <- cstringToText val'
        return val''
    return result

setSchemaAttributeName :: MonadIO m => SchemaAttribute -> CString -> m ()
setSchemaAttributeName s val = liftIO $ withManagedPtr s $ \ptr -> do
    poke (ptr `plusPtr` 0) (val :: CString)

clearSchemaAttributeName :: MonadIO m => SchemaAttribute -> m ()
clearSchemaAttributeName s = liftIO $ withManagedPtr s $ \ptr -> do
    poke (ptr `plusPtr` 0) (FP.nullPtr :: CString)

data SchemaAttributeNameFieldInfo
instance AttrInfo SchemaAttributeNameFieldInfo where
    type AttrAllowedOps SchemaAttributeNameFieldInfo = '[ 'AttrSet, 'AttrGet, 'AttrClear]
    type AttrSetTypeConstraint SchemaAttributeNameFieldInfo = (~) CString
    type AttrBaseTypeConstraint SchemaAttributeNameFieldInfo = (~) SchemaAttribute
    type AttrGetType SchemaAttributeNameFieldInfo = Maybe T.Text
    type AttrLabel SchemaAttributeNameFieldInfo = "name"
    type AttrOrigin SchemaAttributeNameFieldInfo = SchemaAttribute
    attrGet _ = getSchemaAttributeName
    attrSet _ = setSchemaAttributeName
    attrConstruct = undefined
    attrClear _ = clearSchemaAttributeName

schemaAttribute_name :: AttrLabelProxy "name"
schemaAttribute_name = AttrLabelProxy


getSchemaAttributeType :: MonadIO m => SchemaAttribute -> m Secret.Enums.SchemaAttributeType
getSchemaAttributeType s = liftIO $ withManagedPtr s $ \ptr -> do
    val <- peek (ptr `plusPtr` 8) :: IO CUInt
    let val' = (toEnum . fromIntegral) val
    return val'

setSchemaAttributeType :: MonadIO m => SchemaAttribute -> Secret.Enums.SchemaAttributeType -> m ()
setSchemaAttributeType s val = liftIO $ withManagedPtr s $ \ptr -> do
    let val' = (fromIntegral . fromEnum) val
    poke (ptr `plusPtr` 8) (val' :: CUInt)

data SchemaAttributeTypeFieldInfo
instance AttrInfo SchemaAttributeTypeFieldInfo where
    type AttrAllowedOps SchemaAttributeTypeFieldInfo = '[ 'AttrSet, 'AttrGet]
    type AttrSetTypeConstraint SchemaAttributeTypeFieldInfo = (~) Secret.Enums.SchemaAttributeType
    type AttrBaseTypeConstraint SchemaAttributeTypeFieldInfo = (~) SchemaAttribute
    type AttrGetType SchemaAttributeTypeFieldInfo = Secret.Enums.SchemaAttributeType
    type AttrLabel SchemaAttributeTypeFieldInfo = "type"
    type AttrOrigin SchemaAttributeTypeFieldInfo = SchemaAttribute
    attrGet _ = getSchemaAttributeType
    attrSet _ = setSchemaAttributeType
    attrConstruct = undefined
    attrClear _ = undefined

schemaAttribute_type :: AttrLabelProxy "type"
schemaAttribute_type = AttrLabelProxy



instance O.HasAttributeList SchemaAttribute
type instance O.AttributeList SchemaAttribute = SchemaAttributeAttributeList
type SchemaAttributeAttributeList = ('[ '("name", SchemaAttributeNameFieldInfo), '("type", SchemaAttributeTypeFieldInfo)] :: [(Symbol, *)])

type family ResolveSchemaAttributeMethod (t :: Symbol) (o :: *) :: * where
    ResolveSchemaAttributeMethod l o = O.MethodResolutionFailed l o

instance (info ~ ResolveSchemaAttributeMethod t SchemaAttribute, O.MethodInfo info SchemaAttribute p) => O.IsLabelProxy t (SchemaAttribute -> p) where
    fromLabelProxy _ = O.overloadedMethod (O.MethodProxy :: O.MethodProxy info)

#if MIN_VERSION_base(4,9,0)
instance (info ~ ResolveSchemaAttributeMethod t SchemaAttribute, O.MethodInfo info SchemaAttribute p) => O.IsLabel t (SchemaAttribute -> p) where
    fromLabel _ = O.overloadedMethod (O.MethodProxy :: O.MethodProxy info)
#endif