{-# 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(..))

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 <$> strOption (long "url" <> short 'u' <> metavar "URL")
          <*> optional (strOption (long "title"))
    queryOpts f =
      uncurry f <$> 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"