{-# LANGUAGE TupleSections #-}
module Main where

import Options.Applicative

import Control.Monad.Buuka
       (BuukaM, runBuukaM)

import Data.Environment

import UnliftIO.Directory
       (XdgDirectory(XdgData), getXdgDirectory)

import Data.Foldable
       (asum)

import System.Environment
       (lookupEnv)

import qualified Operations

import Data.Query
       (Field(..))
import qualified Options.Applicative.NonEmpty as NE

commands :: Parser (BuukaM ())
commands = subparser
  (  command "insert" (info (insertOpts Operations.insert <**> helper) (progDesc "Insert a new bookmark"))
  <> command "list" (info (pure Operations.list <**> helper) (progDesc "List all the bookmarks"))
  <> command "query" (info (queryOpts Operations.query <**> helper) (progDesc "Query the bookmarks"))
  <> command "import" (info (pure Operations.importFirefox <**> helper) (progDesc "Import"))
  )
  where
    insertOpts f =
        f <$> strOption (long "url" <> short 'u' <> metavar "URL")
          <*> optional (strOption (long "title"))
    queryOpts f =
      f <$> NE.some1 (asum [tagged Title "title", tagged Url "url"])
    tagged t x = (t, ) <$> strOption (long x <> metavar "REGEX")

main :: IO ()
main = do
  env <- Environment <$> (lookupEnv "BUUKA_HOME" >>= maybe defaultHome pure)
  execParser (info (commands <**> helper) (fullDesc <> progDesc description)) >>= runBuukaM env
    where
      defaultHome = getXdgDirectory XdgData "buuka"
      description = "Bookmarks manager. Stores the bookmarks in a yaml file under your xdg directory or in a folder specified by the BUUKA_HOME environment variable"