module SiteGenerator (generateSite) where

import Types
import DependencyGenerator

handleRecipeDir :: Token Template -> Token FilePath -> DepGenM' ()
handleRecipeDir _template dir = do
  dirContents <- listDirectory dir
  imageFilenames <- filterDepGenM isImageFilename dirContents
  convertedImageFilenames <- mapDepGenM convertedImageFilename imageFilenames
  flip mapDepGenM_ (ZipToken imageFilenames convertedImageFilenames) $ \files -> do
    settings <- inject $ ResizeToWidth 800
    convertImage $ TupleToken files settings

generateSite :: DepGenM' ()
generateSite = do
  outputDir <- inject "site"
  makeDir outputDir
  templateFilename <- inject "template.html"
  template <- readTemplate templateFilename
  dir <- inject "retter"
  dirContents <- listDirectory dir
  mapDepGenM_ (handleRecipeDir template) dirContents

  aboutPathIn <- inject "om.md"
  aboutHtmlBody <- runPandoc aboutPathIn
  aboutHtml <- applyTemplate $ TupleToken template aboutHtmlBody
  aboutFilenameOut <- inject "om.html"
  aboutPathOut <- joinPaths $ TupleToken outputDir aboutFilenameOut
  saveFile $ TupleToken aboutHtml aboutPathOut