import Development.Shake
import Development.Shake.Command
import Development.Shake.FilePath
import Development.Shake.Util

main = shakeArgs shakeOptions $ do
  -- action $ do
  --   sourceFiles <- getDirectoryFiles "" ["//*.luasm"]
  --   need $ (-<.> "luac") <$> sourceFiles
  want ["complete.component.wasm"]
  alternatives $ do
    "complete.component.wasm" %> \out -> do
      need ["provider.component.wasm","importing.component.wasm"]
      cmd_
        "wac plug --plug"
        "provider.component.wasm" "importing.component.wasm"
        "-o" "complete.component.wasm"
    "*.component.wasm" %> \out -> do
      let wasm = out `replaceExtensions` "wasm"
      need [wasm]
      cmd_
        "wasm-tools component new"
        [wasm]
        "-o" [out]
    "*.wasm" %> \out -> do
        let wit = out -<.> "wit"
        let wat = out -<.> "wat"
        need [wit,wat]
        cmd_
          "wasm-tools component embed"
          [wit] [wat] "-o" [out]
  phony "run" $ do
    need ["complete.component.wasm"]
    cmd_ "wasmtime run --invoke add(1) complete.component.wasm"
  phony "clean" $ do
    removeFilesAfter ".shake" ["//*"]
    liftIO $ removeFiles "." ["*.wasm"]