{-# LANGUAGE NoImplicitPrelude #-}
{-# LANGUAGE OverloadedStrings #-}

module Data.Taskell.ListTest
    ( test_list
    ) where

import ClassyPrelude as CP

import Control.Lens ((.~))

import Test.Tasty
import Test.Tasty.HUnit

import           Data.Taskell.List.Internal as L
import qualified Data.Taskell.Task          as T (Task, blank, name, new)

emptyList :: List
emptyList = L.empty "Test"

taskSeq :: Seq T.Task
taskSeq = fromList [T.new "Hello", T.new "Blah", T.new "Fish"]

populatedList :: List
populatedList = List "Populated" taskSeq

-- tests
test_list :: TestTree
test_list =
    testGroup
        "Data.Taskell.List"
        [ testCase
              "create"
              (assertEqual "Empty list with title" (List "Test" CP.empty) (create "Test" CP.empty))
        , testCase "empty" (assertEqual "Empty list with title" (List "Test" CP.empty) emptyList)
        , testCase
              "new"
              (assertEqual
                   "List with title and blank Task"
                   (List "Test" (fromList [T.blank]))
                   (new emptyList))
        , testGroup
              "count"
              [ testCase "empty" (assertEqual "List length" 0 (count emptyList))
              , testCase "one item" (assertEqual "List length" 1 (count $ new emptyList))
              ]
        , testCase
              "newAt"
              (assertEqual
                   "List with new item second position"
                   (List "Populated" (fromList [T.new "Hello", T.blank, T.new "Blah", T.new "Fish"]))
                   (newAt 1 populatedList))
        , testGroup
              "append"
              [ testCase
                    "populated"
                    (assertEqual
                         "List with new item"
                         (List
                              "Populated"
                              (fromList [T.new "Hello", T.new "Blah", T.new "Fish", T.new "Spoon"]))
                         (append (T.new "Spoon") populatedList))
              , testCase
                    "empty"
                    (assertEqual
                         "List with new item"
                         (List "Test" (fromList [T.new "Spoon"]))
                         (append (T.new "Spoon") emptyList))
              ]
        , testCase
              "extract"
              (assertEqual
                   "List and extracted item"
                   (Just (List "Populated" (fromList [T.new "Hello", T.new "Fish"]), T.new "Blah"))
                   (extract 1 populatedList))
        , testCase
              "updateFn"
              (assertEqual
                   "List with updated item"
                   (List "Populated" (fromList [T.new "Hello", T.new "Monkey", T.new "Fish"]))
                   (updateFn 1 (T.name .~ "Monkey") populatedList))
        , testCase
              "update"
              (assertEqual
                   "List with updated item"
                   (List "Populated" (fromList [T.new "Hello", T.new "Monkey", T.new "Fish"]))
                   (update 1 (T.new "Monkey") populatedList))
        , testGroup
              "move"
              [ testCase
                    "up"
                    (assertEqual
                         "List with moved item"
                         (Just
                              (List
                                   "Populated"
                                   (fromList [T.new "Hello", T.new "Fish", T.new "Blah"])))
                         (move 1 1 populatedList))
              , testCase
                    "down"
                    (assertEqual
                         "List with moved item"
                         (Just
                              (List
                                   "Populated"
                                   (fromList [T.new "Blah", T.new "Hello", T.new "Fish"])))
                         (move 1 (-1) populatedList))
              , testCase
                    "up - out of bounds"
                    (assertEqual
                         "List with moved item"
                         (Just
                              (List
                                   "Populated"
                                   (fromList [T.new "Hello", T.new "Fish", T.new "Blah"])))
                         (move 1 10 populatedList))
              , testCase
                    "down - out of bounds"
                    (assertEqual
                         "List with moved item"
                         (Just
                              (List
                                   "Populated"
                                   (fromList [T.new "Blah", T.new "Hello", T.new "Fish"])))
                         (move 1 (-10) populatedList))
              ]
        , testCase
              "deleteTask"
              (assertEqual
                   "List with removed item"
                   (List "Populated" (fromList [T.new "Hello", T.new "Fish"]))
                   (deleteTask 1 populatedList))
        , testGroup
              "getTask"
              [ testCase
                    "exists"
                    (assertEqual "Middle item" (Just (T.new "Blah")) (getTask 1 populatedList))
              , testCase "doesn't exist" (assertEqual "Nothing" Nothing (getTask 5 populatedList))
              ]
        , testGroup
              "searchFor"
              [ testCase
                    "exists"
                    (assertEqual
                         "Blah item"
                         (List "Populated" (fromList [T.new "Blah"]))
                         (searchFor "Bl" populatedList))
              , testCase
                    "multiple"
                    (assertEqual
                         "Blah and Fish"
                         (List "Populated" (fromList [T.new "Blah", T.new "Fish"]))
                         (searchFor "h" populatedList))
              , testCase
                    "doesn't exist"
                    (assertEqual
                         "Empty list"
                         (List "Populated" CP.empty)
                         (searchFor "FFF" populatedList))
              ]
        ]