fix: change to a normal buffer

lua/chatgpt_nvim/init.lua

@@ -62,36 +62,48 @@ local function is_directory(path)
   return stat and stat.type == "directory"
 end
 
--- Replaces the inline input() call with opening a new buffer for prompt input
+---------------------------------------------------------------------------
+-- Updated run_chatgpt_command using BufWriteCmd to avoid creating a file --
+---------------------------------------------------------------------------
 function M.run_chatgpt_command()
   local conf = config.load()
   if conf.debug then
     vim.api.nvim_out_write("[chatgpt_nvim:init] Running :ChatGPT command.\n")
   end
 
-  -- Create a new scratch buffer for user to type the message
-  local bufnr = vim.api.nvim_create_buf(false, true)
-  vim.api.nvim_buf_set_name(bufnr, "ChatGPT_Prompt")
-  vim.api.nvim_buf_set_option(bufnr, 'bufhidden', 'wipe')
-  vim.api.nvim_buf_set_option(bufnr, 'filetype', 'markdown')
+  -- Create a normal, listed buffer so :w / :wq will work
+  local bufnr = vim.api.nvim_create_buf(false, false)
+  -- Assign a filename so Vim treats it like a normal file, but we intercept writes
+  vim.api.nvim_buf_set_name(bufnr, "ChatGPT_Prompt.md")
+  vim.api.nvim_buf_set_option(bufnr, "filetype", "markdown")
+  vim.api.nvim_buf_set_option(bufnr, "bufhidden", "wipe")
+  vim.api.nvim_buf_set_option(bufnr, "buftype", "")
+  vim.api.nvim_buf_set_option(bufnr, "modifiable", true)
+
+  -- Set some initial placeholder lines
   vim.api.nvim_buf_set_lines(bufnr, 0, -1, false, {
     "# Enter your prompt below.",
     "",
     "Save & close with :wq to finalize your prompt."
   })
 
-  local function on_write_post()
-    -- Read buffer lines and join them into a single string
+  -- Intercept the write so that no file is actually created on disk
+  vim.api.nvim_create_autocmd("BufWriteCmd", {
+    buffer = bufnr,
+    callback = function()
+      -- Gather lines
       local lines = vim.api.nvim_buf_get_lines(bufnr, 0, -1, false)
-    -- Skip the first lines that are placeholders, if desired
       local user_input = table.concat(lines, "\n")
 
+      -- Basic check to ensure user actually wrote something
       if user_input == "" or user_input:find("^# Enter your prompt below.") then
-      print("No valid input provided.")
+        vim.api.nvim_out_write("No valid input provided.\n")
+        -- Mark buffer as unmodified, so :wq can still exit
+        vim.api.nvim_buf_set_option(bufnr, "modified", false)
         return
       end
 
-    -- Continue the same logic as originally, just using our new user_input
+      -- Build the prompt using the user_input
       local dirs = conf.directories or {"."}
       local project_structure = context.get_project_structure(dirs)
 
@@ -143,24 +155,21 @@ function M.run_chatgpt_command()
       end
 
       if token_count > token_limit then
-      print("Too many files in project structure. The request exceeds the O1 model limit of " .. token_limit .. " tokens.")
-      return
-    end
-
+        vim.api.nvim_out_write("Too many files in project structure. The request exceeds the O1 model limit of " .. token_limit .. " tokens.\n")
+      else
         copy_to_clipboard(prompt)
-    print("Prompt (requesting needed files) copied to clipboard! Paste it into the ChatGPT O1 model.")
+        vim.api.nvim_out_write("Prompt (requesting needed files) copied to clipboard! Paste it into the ChatGPT O1 model.\n")
       end
 
-  -- Create an autocmd that triggers once when user saves the buffer (BufWritePost)
-  vim.api.nvim_create_autocmd("BufWritePost", {
-    buffer = bufnr,
-    once = true,
-    callback = on_write_post
+      -- Mark as unmodified so :wq won't complain
+      vim.api.nvim_buf_set_option(bufnr, "modified", false)
+    end,
   })
 
   -- Switch to the newly created buffer
   vim.cmd("buffer " .. bufnr)
 end
+---------------------------------------------------------------------------
 
 function M.run_chatgpt_paste_command()
   local conf = config.load()