{- This file is part of Vervis.
 -
 - Written in 2016 by fr33domlover <fr33domlover@riseup.net>.
 -
 - ♡ Copying is an act of love. Please copy, reuse and share.
 -
 - The author(s) have dedicated all copyright and related and neighboring
 - rights to this software to the public domain worldwide. This software is
 - distributed without any warranty.
 -
 - You should have received a copy of the CC0 Public Domain Dedication along
 - with this software. If not, see
 - <http://creativecommons.org/publicdomain/zero/1.0/>.
 -}

{-# LANGUAGE EmptyDataDecls             #-}
{-# LANGUAGE FlexibleContexts           #-}
{-# LANGUAGE GADTs                      #-}
{-# LANGUAGE GeneralizedNewtypeDeriving #-}
{-# LANGUAGE MultiParamTypeClasses      #-}
{-# LANGUAGE OverloadedStrings          #-}
{-# LANGUAGE QuasiQuotes                #-}
{-# LANGUAGE TemplateHaskell            #-}
{-# LANGUAGE TypeFamilies               #-}

module Vervis.Persist
    --(
    --)
where

import Control.Monad.IO.Class (liftIO)
import Control.Monad.Trans.Resource (runResourceT)
import Control.Monad.Logger (runStderrLoggingT)
import Data.Text (Text)
import Data.Traversable (forM)
import Database.Esqueleto ((^.), (&&.), (==.))
import Database.Persist hiding ((==.))
import Database.Persist.Sqlite hiding ((==.))
import Database.Persist.TH
import Vervis.Git
import Yesod hiding ((==.))

import qualified Data.Text as T
import qualified Database.Esqueleto as E

getHomeR :: Handler Html
getHomeR = do
    rows <- runDB $ do
        repos <- E.select $ E.from $ \ (sharer, project, repo) -> do
            E.where_ $
                project ^. ProjectSharer ==. sharer ^. SharerId &&.
                repo ^. RepoProject ==. project ^. ProjectId
            E.orderBy
                [ E.asc $ sharer ^. SharerIdent
                , E.asc $ project ^. ProjectIdent
                , E.asc $ repo ^. RepoIdent
                ]
            return
                ( sharer ^. SharerIdent
                , project ^. ProjectIdent
                , repo ^. RepoIdent
                )
        liftIO $ forM repos $ \ (E.Value sharer, E.Value project, E.Value repo) -> do
            let path =
                    T.unpack $
                    T.intercalate "/"
                        [ "state2"
                        , sharer
                        , project
                        , repo
                        ]
            dt <- lastChange path
            ago <- timeAgo dt
            return (sharer, project, repo, T.pack ago)

mainView :: IO ()
mainView =
    runStderrLoggingT $
    withSqlitePool "test.db3" openConnectionCount $
    \ pool -> liftIO $ do
        runResourceT $ flip runSqlPool pool $ do
            runMigration migrateAll

            cindyId <- insert $ Sharer "cindy" Nothing
            bobId <- insert $ Sharer "bob" Nothing
            aliceId <- insert $ Sharer "alice" Nothing

            proj4Id <- insert $ Project "proj4" cindyId Nothing Nothing
            proj2Id <- insert $ Project "proj2" aliceId Nothing Nothing
            proj6Id <- insert $ Project "proj6" cindyId Nothing Nothing
            proj3Id <- insert $ Project "proj3" bobId Nothing Nothing
            proj5Id <- insert $ Project "proj5" cindyId Nothing Nothing
            proj1Id <- insert $ Project "proj1" aliceId Nothing Nothing

            insert_ $ Repo "repo8" proj5Id Nothing Nothing
            insert_ $ Repo "repo1" proj1Id Nothing Nothing
            insert_ $ Repo "repo6" proj4Id Nothing Nothing
            insert_ $ Repo "repo3" proj3Id Nothing Nothing
            insert_ $ Repo "repo4" proj3Id Nothing Nothing
            insert_ $ Repo "repo10" proj6Id Nothing Nothing
            insert_ $ Repo "repo5" proj4Id Nothing Nothing
            insert_ $ Repo "repo7" proj5Id Nothing Nothing
            insert_ $ Repo "repo2" proj2Id Nothing Nothing
            insert_ $ Repo "repo9" proj5Id Nothing Nothing
            insert_ $ Repo "repo11" proj6Id Nothing Nothing
            insert_ $ Repo "repo12" proj6Id Nothing Nothing
        warp 3000 $ MainView pool