{-# LANGUAGE OverloadedStrings #-}
{-# LANGUAGE RecordWildCards #-}
module Text.Blaze.DTC where

-- import Control.Monad (Monad(..))
import Data.Bool
import Data.Eq (Eq)
import Data.Function (($), (.))
import Data.Int (Int)
import Data.Maybe (Maybe(..))
import Data.Text (Text)
import Text.Blaze
import Text.Blaze.Internal
import Text.Show (Show(..))

import Text.Blaze.Utils
import Text.Blaze.DTC.Attributes

-- * Type 'DTC'
type DTC = Markup

xmlModel :: Text -> DTC
xmlModel rnc =
	Leaf "xml-model" "<?xml-model" "?>\n" ()
	 ! attribute "type" " type=\"" "application/relax-ng-compact-syntax"
	 ! attribute "href" " href=\"" (attrValue rnc)

xmlStylesheet :: Text -> DTC
xmlStylesheet xsl =
	Leaf "xml-stylesheet" "<?xml-stylesheet" "?>\n" ()
	 ! attribute "type" " type=\"" "text/xsl"
	 ! attribute "href" " href=\"" (attrValue xsl)

html5Stylesheet :: Text -> DTC
html5Stylesheet xsl =
	Leaf "html5-stylesheet" "<?html5-stylesheet" "?>\n" ()
	 ! attribute "type" " type=\"" "text/xsl"
	 ! attribute "href" " href=\"" (attrValue xsl)

atomStylesheet :: Text -> DTC
atomStylesheet xsl =
	Leaf "atom-stylesheet" "<?atom-stylesheet" "?>\n" ()
	 ! attribute "type" " type=\"" "text/xsl"
	 ! attribute "href" " href=\"" (attrValue xsl)

about :: DTC -> DTC
about = Parent "about" "<about" "</about>"
address :: DTC -> DTC
address = Parent "address" "<address" "</address>"
author :: DTC -> DTC
author = Parent "author" "<author" "</author>"
b :: DTC -> DTC
b = Parent "b" "<b" "</b>"
br :: DTC
br = Leaf "br" "<br" " />" ()
call :: DTC -> DTC
call = Parent "call" "<call" "</call>"
code :: DTC -> DTC
code = Parent "code" "<code" "</code>"

-- * Type 'Date'
data Date
 =   Date
 {   date_year  :: Int
 ,   date_month :: Maybe Int
 ,   date_day   :: Maybe Int
 } deriving (Eq,Show)
date :: Date -> DTC
date Date{..} =
	Leaf "date" "<date" "/>" ()
	 ! attribute "year" " year=\"" (attrValue date_year)
	 !?? (date_month, attribute "month" " month=\"" . attrValue)
	 !?? (date_day, attribute "day" " day=\"" . attrValue)

define :: DTC -> DTC
define = Parent "define" "<define" "</define>"
document :: DTC -> DTC
document = Parent "document" "<document" "</document>"
editor :: DTC -> DTC
editor = Parent "editor" "<editor" "</editor>"
email :: DTC -> DTC
email = Parent "email" "<email" "</email>"
eref :: DTC -> DTC
eref = Parent "eref" "<eref" "</eref>"
i :: DTC -> DTC
i = Parent "i" "<i" "</i>"
include :: Bool -> AttributeValue -> DTC
include inc h =
	Leaf "include" "<include" "/>" ()
	 !? (not inc, attribute "include" " include=\"" "no")
	 ! href h
keyword :: DTC -> DTC
keyword = Parent "keyword" "<keyword" "</keyword>"
li :: DTC -> DTC
li = Parent "li" "<li" "</li>"
link :: DTC -> DTC
link = Parent "link" "<link" "</link>"
macro :: DTC -> DTC
macro = Parent "macro" "<macro" "</macro>"
name :: DTC -> DTC
name = Parent "name" "<name" "</name>"
note :: DTC -> DTC
note = Parent "note" "<note" "</note>"
ol :: DTC -> DTC
ol = Parent "ol" "<ol" "</ol>"
organization :: DTC -> DTC
organization = Parent "organization" "<organization" "</organization>"
para :: DTC -> DTC
para = Parent "para" "<para" "</para>"
q :: DTC -> DTC
q = Parent "q" "<q" "</q>"
quote :: DTC -> DTC
quote = Parent "quote" "<quote" "</quote>"
ref :: DTC -> DTC
ref (Empty a) = Leaf "ref" "<ref" "/>" a
ref x = Parent "ref" "<ref" "</ref>" x
reference :: DTC -> DTC
reference = Parent "reference" "<reference" "</reference>"
references :: DTC -> DTC
references = Parent "references" "<references" "</references>"
rref :: DTC -> DTC
rref = Parent "rref" "<rref" "</rref>"
section :: DTC -> DTC
section = Parent "section" "<section" "</section>"
ul :: DTC -> DTC
ul = Parent "ul" "<ul" "</ul>"

-- * Type 'Postal'
data Postal
 =   Postal
 {   postal_street  :: Text
 ,   postal_zipcode :: Text
 ,   postal_city    :: Text
 ,   postal_region  :: Text
 ,   postal_country :: Text
 } deriving (Eq,Show)
postal :: Postal -> DTC
postal Postal{..} =
	Parent "postal" "<postal" "</postal>" $ do
		Parent "street" "<street" "</street>"    $ toMarkup postal_street
		Parent "zipcode" "<zipcode" "</zipcode>" $ toMarkup postal_zipcode
		Parent "city" "<city" "</city>"          $ toMarkup postal_city
		Parent "region" "<region" "</region>"    $ toMarkup postal_region
		Parent "country" "<country" "</country>" $ toMarkup postal_country

indentTag :: Text -> IndentTag
indentTag t =
	case t of
	 "about"    -> IndentTagChildren
	 "address"  -> IndentTagChildren
	 "author"   -> IndentTagChildren
	 "document" -> IndentTagChildren
	 "ol"       -> IndentTagChildren
	 "postal"   -> IndentTagChildren
	 "section"  -> IndentTagChildren
	 "ul"       -> IndentTagChildren
	 "b"        -> IndentTagText
	 "i"        -> IndentTagText
	 "li"       -> IndentTagText
	 "para"     -> IndentTagText
	 "q"        -> IndentTagText
	 "quote"    -> IndentTagText
	 "note"     -> IndentTagText
	 _          -> IndentTagPreserve