From 3056117ee6a84ec0110f9ee6e1f9ef0f4d150183 Mon Sep 17 00:00:00 2001
From: Alexander Foremny <aforemny@posteo.de>
Date: Wed, 4 Oct 2023 11:56:31 +0200
Subject: ansi style output, breaks tests

---
 anissue.cabal |  2 ++
 app/Main.hs   | 62 +++++++++++++++++++++++++++++++++++++----------------------
 2 files changed, 41 insertions(+), 23 deletions(-)

diff --git a/anissue.cabal b/anissue.cabal
index 84c3eb3..54a1669 100644
--- a/anissue.cabal
+++ b/anissue.cabal
@@ -81,6 +81,8 @@ executable anissue
                       bytestring,
                       filepath,
                       optparse-applicative,
+                      prettyprinter,
+                      prettyprinter-ansi-terminal,
                       text,
                       typed-process
 
diff --git a/app/Main.hs b/app/Main.hs
index 2e36d4c..60c81e4 100644
--- a/app/Main.hs
+++ b/app/Main.hs
@@ -44,7 +44,6 @@
 module Main where
 
 import Control.Exception (Exception, catch, throw, throwIO)
-import Control.Monad (when)
 import Data.Aeson qualified as A
 import Data.ByteString.Lazy qualified as L
 import Data.ByteString.Lazy.Char8 qualified as L8
@@ -53,12 +52,13 @@ import Data.Maybe (catMaybes)
 import Data.Maybe qualified as Maybe
 import Data.String qualified as String
 import Data.Text qualified as T
-import Data.Text.IO qualified as T
 import Issue (Issue (..))
 import Issue qualified as I
 import Issue.Tag qualified as I
 import Options.Applicative ((<**>))
 import Options.Applicative qualified as O
+import Prettyprinter qualified as P
+import Prettyprinter.Render.Terminal as P
 import System.Exit (ExitCode (ExitFailure), exitWith)
 import System.FilePath qualified as F
 import System.IO (hPutStrLn, stderr)
@@ -120,27 +120,43 @@ main = do
             exitWith (ExitFailure 1)
       )
   case options of
-    List _ -> mapM_ listMatches $ concat issues
-    Show _ -> mapM_ showMatches $ concat issues
-
-showMatches :: Issue -> IO ()
-showMatches issue = do
-  T.putStrLn issue.title
-  when (not (T.null issue.description)) do
-    T.putStrLn ""
-    T.putStrLn issue.description
-
-listMatches :: Issue -> IO ()
-listMatches issue =
-  printf
-    "%s%s\n"
-    issue.title
-    ( if null issue.tags
-        then ""
-        else
-          T.append " " . T.intercalate " " $
-            map (\(I.Tag k v) -> T.intercalate ":" [k, v]) issue.tags
-    )
+    List _ -> listMatches $ concat issues
+    Show _ -> showMatches $ concat issues
+
+showMatches :: [Issue] -> IO ()
+showMatches issues = do
+  P.putDoc . P.vsep $
+    map
+      ( \issue ->
+          P.vsep
+            ( concat
+                [ [P.annotate P.bold (P.pretty issue.title)],
+                  if not (T.null issue.description)
+                    then [P.pretty issue.description]
+                    else []
+                ]
+            )
+      )
+      issues
+
+listMatches :: [Issue] -> IO ()
+listMatches issues =
+  P.putDoc . P.vsep $
+    map
+      ( \issue ->
+          P.hsep
+            ( concat
+                [ [P.annotate P.bold (P.pretty issue.title)],
+                  map
+                    ( \(I.Tag k v) ->
+                        P.annotate (P.colorDull P.Yellow) $
+                          P.pretty ("@" `T.append` k `T.append` ":" `T.append` v)
+                    )
+                    issue.tags
+                ]
+            )
+      )
+      issues
 
 data UnknownFileExtension = UnknownFileExtension
   { extension :: String
-- 
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