From 8f6c7ae590b179f2ec02142f57b2e9c3e81ac9fe Mon Sep 17 00:00:00 2001
From: Martin Bielik <mx.bielik@gmail.com>
Date: Sat, 15 Apr 2023 11:48:37 +0200
Subject: scratch buffer options

---
 autoload/vim_ai.vim | 28 +++++++++++++++++++++++++++-
 1 file changed, 27 insertions(+), 1 deletion(-)

(limited to 'autoload/vim_ai.vim')

diff --git a/autoload/vim_ai.vim b/autoload/vim_ai.vim
index 4957c5b..bfe4f3e 100644
--- a/autoload/vim_ai.vim
+++ b/autoload/vim_ai.vim
@@ -1,6 +1,32 @@
+" Configures ai-chat scratch window.
+" - scratch_buffer_keep_open = 0
+"   - opens new ai-chat every time
+" - scratch_buffer_keep_open = 1
+"   - opens last ai-chat buffer
+"   - keeps the buffer in the buffer list
 function! vim_ai#MakeScratchWindow()
+  let l:keep_open = g:vim_ai_chat['ui']['scratch_buffer_keep_open']
+  if l:keep_open && bufexists("[AI chat]")
+    " reuse chat buffer
+    buffer \[AI chat\]
+    return
+  endif
   setlocal buftype=nofile
-  setlocal bufhidden=hide
   setlocal noswapfile
   setlocal ft=aichat
+  if l:keep_open
+    setlocal bufhidden=hide
+  else
+    setlocal bufhidden=wipe
+  endif
+  if bufexists("[AI chat]")
+    " spawn another window if chat already exist
+    let l:index = 2
+    while bufexists("[AI chat " . l:index . "]")
+      let l:index += 1
+    endwhile
+    execute "file [AI chat ". l:index . "]"
+  else
+    file [AI chat]
+  endif
 endfunction
-- 
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