feat: add debug logging

lua/chatgpt_nvim/context.lua

@@ -1,11 +1,16 @@
 local M = {}
 
 local uv = vim.loop
+local config = require('chatgpt_nvim.config')
 
 local function load_gitignore_patterns(root)
+  local conf = config.load()
   local gitignore_path = root .. "/.gitignore"
   local fd = uv.fs_open(gitignore_path, "r", 438)
   if not fd then
+    if conf.debug then
+      vim.api.nvim_out_write("[chatgpt_nvim:context] No .gitignore found.\n")
+    end
     return {}
   end
   local stat = uv.fs_fstat(fd)
@@ -19,6 +24,9 @@ local function load_gitignore_patterns(root)
       patterns[#patterns+1] = line
     end
   end
+  if conf.debug then
+    vim.api.nvim_out_write("[chatgpt_nvim:context] Loaded " .. #patterns .. " gitignore patterns.\n")
+  end
   return patterns
 end
 
@@ -32,23 +40,35 @@ local function should_ignore_file(file, ignore_patterns)
 end
 
 local function is_text_file(file)
+  local conf = config.load()
   local fd = uv.fs_open(file, "r", 438)
   if not fd then
+    if conf.debug then
+      vim.api.nvim_out_write("[chatgpt_nvim:context] Could not open file: " .. file .. " for reading.\n")
+    end
     return false
   end
   local chunk = uv.fs_read(fd, 1024, 0) or ""
   uv.fs_close(fd)
   -- Check for null bytes as a heuristic for binary files
   if chunk:find("\0") then
+    if conf.debug then
+      vim.api.nvim_out_write("[chatgpt_nvim:context] File appears binary: " .. file .. "\n")
+    end
     return false
   end
   return true
 end
 
 local function scandir(dir, ignore_patterns, files)
-  files = files or {}
+  local conf = config.load()
   local fd = uv.fs_opendir(dir, nil, 50)
-  if not fd then return files end
+  if not fd then
+    if conf.debug then
+      vim.api.nvim_out_write("[chatgpt_nvim:context] Could not open dir: " .. dir .. "\n")
+    end
+    return files
+  end
   while true do
     local ents = uv.fs_readdir(fd)
     if not ents then break end
@@ -60,6 +80,10 @@ local function scandir(dir, ignore_patterns, files)
         elseif ent.type == "directory" and ent.name ~= ".git" then
           scandir(fullpath, ignore_patterns, files)
         end
+      else
+        if conf.debug then
+          vim.api.nvim_out_write("[chatgpt_nvim:context] Ignoring file/dir: " .. fullpath .. "\n")
+        end
       end
     end
   end
@@ -68,6 +92,7 @@ local function scandir(dir, ignore_patterns, files)
 end
 
 function M.get_project_files(directories)
+  local conf = config.load()
   local root = vim.fn.getcwd()
   local ignore_patterns = load_gitignore_patterns(root)
   local all_files = {}
@@ -85,6 +110,10 @@ function M.get_project_files(directories)
     table.insert(rel_files, rel)
   end
 
+  if conf.debug then
+    vim.api.nvim_out_write("[chatgpt_nvim:context] Found " .. #rel_files .. " project files.\n")
+  end
+
   return rel_files
 end
 
@@ -95,6 +124,7 @@ function M.get_project_structure(directories)
 end
 
 function M.get_file_contents(files)
+  local conf = config.load()
   local root = vim.fn.getcwd()
   local sections = {}
   for _, f in ipairs(files) do
@@ -111,6 +141,10 @@ function M.get_file_contents(files)
       else
         uv.fs_close(fd)
       end
+    else
+      if conf.debug then
+        vim.api.nvim_out_write("[chatgpt_nvim:context] Could not open file for content: " .. f .. "\n")
+      end
     end
   end
   return table.concat(sections, "\n")