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{-# LANGUAGE OverloadedStrings #-}
import           Data.Monoid (mappend)
import           Hakyll


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main :: IO ()
main = hakyll $ do
    create ["feed.xml"] $ do
        route idRoute
        compile $ do
            let feedCtx = postCtx `mappend` bodyField "description"
            posts <- fmap (take 10) . recentFirst =<< loadAllSnapshots "posts/*" "content"
            renderAtom feedConfig feedCtx posts

    match "images/*" $ do
        route   idRoute
        compile copyFileCompiler

    match "files/*" $ do
        route   idRoute
        compile copyFileCompiler

    match "fonts/*" $ do
        route   idRoute
        compile copyFileCompiler

    match "style.css" $ do
        route   idRoute
        compile compressCssCompiler

    match "posts/*" $ do
        route $ setExtension "html"
        compile $ pandocCompiler
            >>= loadAndApplyTemplate "templates/post.html"    postCtx
            >>= saveSnapshot "content"
            >>= loadAndApplyTemplate "templates/default.html" postCtx
            >>= relativizeUrls


    match "index.html" $ do
        route idRoute
        compile $ do
            posts <- recentFirst =<< loadAll "posts/*"
            let indexCtx =
                    listField "posts" postCtx (return posts) `mappend`
                    defaultContext

            getResourceBody
                >>= applyAsTemplate indexCtx
                >>= loadAndApplyTemplate "templates/default.html" indexCtx
                >>= relativizeUrls

    match "templates/*" $ compile templateBodyCompiler


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postCtx :: Context String
postCtx =
    dateField "date" "%Y-%m-%d" `mappend`
    defaultContext

feedConfig :: FeedConfiguration
feedConfig = FeedConfiguration
    { feedTitle = "cel's dev?blog"
    , feedDescription = "banished technology"
    , feedAuthorName = "cel ❀"
    , feedAuthorEmail = "cel@bunny.garden"
    , feedRoot = "https://bunny.garden/~cel"
    }