Add config for setting log level

Closes #461

Signed-off-by: Tomas Slusny <[email protected]>

README.md

@@ -41,8 +41,7 @@ return {
     },
     build = "make tiktoken", -- Only on MacOS or Linux
     opts = {
-      debug = true, -- Enable debugging
-      -- See Configuration section for rest
+      -- See Configuration section for options
     },
     -- See Commands section for default commands if you want to lazy load on them
   },
@@ -64,8 +63,7 @@ call plug#end()
 
 lua << EOF
 require("CopilotChat").setup {
-  debug = true, -- Enable debugging
-  -- See Configuration section for rest
+  -- See Configuration section for options
 }
 EOF
 ```
@@ -88,8 +86,7 @@ git clone -b canary https://github.com/CopilotC-Nvim/CopilotChat.nvim
 
 ```lua
 require("CopilotChat").setup {
-  debug = true, -- Enable debugging
-  -- See Configuration section for rest
+  -- See Configuration section for options
 }
 ```
 
@@ -191,6 +188,9 @@ actions.pick(actions.help_actions())
 actions.pick(actions.prompt_actions({
     selection = require("CopilotChat.select").visual,
 }))
+
+-- Programatically set log level
+chat.log_level("debug")
 ```
 
 ## Configuration
@@ -201,7 +201,8 @@ Also see [here](/lua/CopilotChat/config.lua):
 
 ```lua
 {
-  debug = false, -- Enable debug logging
+  debug = false, -- Enable debug logging (same as 'log_level = 'debug')
+  log_level = 'info', -- Log level to use, 'trace', 'debug', 'info', 'warn', 'error', 'fatal'
   proxy = nil, -- [protocol://]host[:port] Use this proxy
   allow_insecure = false, -- Allow insecure server connections
 

lua/CopilotChat/config.lua

@@ -56,6 +56,7 @@ local select = require('CopilotChat.select')
 --- CopilotChat default configuration
 ---@class CopilotChat.config
 ---@field debug boolean?
+---@field log_level string?
 ---@field proxy string?
 ---@field allow_insecure boolean?
 ---@field system_prompt string?
@@ -79,7 +80,8 @@ local select = require('CopilotChat.select')
 ---@field window CopilotChat.config.window?
 ---@field mappings CopilotChat.config.mappings?
 return {
-  debug = false, -- Enable debug logging
+  debug = false, -- Enable debug logging (same as 'log_level = 'debug')
+  log_level = 'info', -- Log level to use, 'trace', 'debug', 'info', 'warn', 'error', 'fatal'
   proxy = nil, -- [protocol://]host[:port] Use this proxy
   allow_insecure = false, -- Allow insecure server connections
 

lua/CopilotChat/init.lua

@@ -586,14 +586,15 @@ function M.load(name, history_path)
   M.open()
 end
 
---- Enables/disables debug
----@param debug boolean
-function M.debug(debug)
-  M.config.debug = debug
+--- Set the log level
+---@param level string
+function M.log_level(level)
+  M.config.log_level = level
+  M.config.debug = level == 'debug'
   local logfile = string.format('%s/%s.log', vim.fn.stdpath('state'), plugin_name)
   log.new({
     plugin = plugin_name,
-    level = debug and 'debug' or 'info',
+    level = level,
     outfile = logfile,
   }, true)
   log.logfile = logfile
@@ -643,7 +644,12 @@ function M.setup(config)
   end
 
   state.copilot = Copilot(M.config.proxy, M.config.allow_insecure)
-  M.debug(M.config.debug)
+
+  if M.config.debug then
+    M.log_level('debug')
+  else
+    M.log_level(M.config.log_level)
+  end
 
   local hl_ns = vim.api.nvim_create_namespace('copilot-chat-highlights')
   vim.api.nvim_set_hl(hl_ns, '@diff.plus', { bg = blend_color_with_neovim_bg('DiffAdd', 20) })