initital push of copilot skeleton

github · DanBradbury · Mar 6, 2025 · Mar 7, 2025 · Mar 7, 2025 · Mar 7, 2025
commit e87b231f790a8fabb40734a4ba5ea11fa976462d
diff --git a/copilot_chat.vim b/copilot_chat.vim
@@ -0,0 +1,230 @@
+function! CopilotChat()
+  " Open a new split window for the chat
+  split
+  enew
+  setlocal buftype=nofile
+  setlocal bufhidden=hide
+  setlocal noswapfile
+  setlocal nonumber
+  setlocal norelativenumber
+  setlocal wrap
+
+  " Set the buffer name to indicate it's a chat window
+  file CopilotChat
+
+  " Add initial message
+  call append(0, 'Welcome to Copilot Chat! Type your message below:')
+
+  " Move cursor to the end of the buffer
+  normal! G
+endfunction
+
+function! SubmitChatMessage()
+  " Get the last line of the buffer (user's message)
+  let l:message = getline('$')
+
+  " Call the CoPilot API to get a response
+  let l:response = CopilotAPIRequest(l:message)
+
+  " Append the parsed response to the buffer
+  call append(line('$'), 'Copilot: ' . l:response)
+
+  " Move cursor to the end of the buffer
+  normal! G
+endfunction
+
+function! GetBearerToken()
+  " Replace with actual token setup and device registry logic
+  let l:token_url = 'https://github.com/login/device/code'
+  " headers = {
+  "   'accept': 'application/json',
+  "   'editor-version': 'Neovim/0.6.1',
+  "   'editor-plugin-version': 'copilot.vim/1.16.0',
+  "   'content-type': 'application/json',
+  "   'user-agent': 'GithubCopilot/1.155.0',
+  "   'accept-encoding': 'gzip,deflate,br'
+  " }
+
+  let l:token_headers = [
+        \ 'Accept: application/json',
+        \ 'User-Agent: GithubCopilot/1.155.0',
+        \ 'Accept-Encoding: gzip,deflate,br',
+        \ 'Editor-Plugin-Version: copilot.vim/1.16.0',
+        \ 'Editor-Version: Neovim/0.6.1',
+        \ 'Content-Type: application/json',
+        \ ]
+  let l:token_data = json_encode({
+        \ 'client_id': 'Iv1.b507a08c87ecfe98',
+        \ 'scope': 'read:user'
+        \ })
+
+  " Construct the curl command for token setup
+  let l:curl_cmd = 'curl -s -X POST --compressed '
+  for header in l:token_headers
+    let l:curl_cmd .= '-H "' . header . '" '
+  endfor
+  let l:curl_cmd .= "-d '" . l:token_data . "' " . l:token_url
+  echom l:curl_cmd
+
+  " Execute the curl command
+  let l:response = system(l:curl_cmd)
+
+  " Check for errors in the response
+  if v:shell_error != 0
+    echom 'Error: ' . v:shell_error
+    return ''
+  endif
+
+  " Parse the response to get the device code and user code
+  let l:json_response = json_decode(l:response)
+  let l:device_code = l:json_response.device_code
+  let l:user_code = l:json_response.user_code
+  let l:verification_uri = l:json_response.verification_uri
+
+  " Display the user code and verification URI to the user
+  echom 'Please visit ' . l:verification_uri . ' and enter the code: ' . l:user_code
+
+  " Wait for the user to complete the device verification
+  sleep 30
+
+  " Poll the token endpoint to get the Bearer token
+  let l:token_poll_url = 'https://github.com/login/oauth/access_token'
+  let l:token_poll_data = json_encode({
+        \ 'client_id': 'Iv1.b507a08c87ecfe98',
+        \ 'device_code': l:device_code,
+        \ 'grant_type': 'urn:ietf:params:oauth:grant-type:device_code'
+        \ })
+
+  " Construct the curl command for token polling
+  let l:curl_cmd = 'curl -s -X POST --compressed '
+  for header in l:token_headers
+    let l:curl_cmd .= '-H "' . header . '" '
+  endfor
+  let l:curl_cmd .= "-d '" . l:token_poll_data . "' " . l:token_poll_url
+
+  " Execute the curl command
+  let l:response = system(l:curl_cmd)
+
+  " Check for errors in the response
+  if v:shell_error != 0
+    echom 'Error: ' . v:shell_error
+    return ''
+  endif
+
+  " Parse the response to get the Bearer token
+  let l:json_response = json_decode(l:response)
+  let l:bearer_token = l:json_response.access_token
+  let $COPILOT_BEARER_TOKEN = l:bearer_token
+
+  " Return the Bearer token
+  return l:bearer_token
+endfunction
+
+function! GetChatToken()
+  let l:token_url = 'https://api.github.com/copilot_internal/v2/token'
+  let l:token_headers = [
+        \ 'Content-Type: application/json',
+        \ 'Editor-Version: vscode/1.80.1',
+        \ 'Authorization: token ' . $COPILOT_BEARER_TOKEN,
+        \ ]
+  let l:token_data = json_encode({
+        \ 'client_id': 'Iv1.b507a08c87ecfe98',
+        \ 'scope': 'read:user'
+        \ })
+
+  " Construct the curl command for token setup
+  let l:curl_cmd = 'curl -s -X GET '
+  for header in l:token_headers
+    let l:curl_cmd .= '-H "' . header . '" '
+  endfor
+  let l:curl_cmd .= "-d '" . l:token_data . "' " . l:token_url
+
+  " Execute the curl command
+  let l:response = system(l:curl_cmd)
+  echom l:response
+
+  " Check for errors in the response
+  if v:shell_error != 0
+    echom 'Error: ' . v:shell_error
+    return ''
+  endif
+
+  " Parse the response to get the device code and user code
+  let l:json_response = json_decode(l:response)
+  return l:json_response.token
+endfunction
+
+function! CopilotAPIRequest(message)
+  " Replace with actual API call logic
+  let l:url = 'https://api.githubcopilot.com/chat/completions'
+  if exists('$COPILOT_BEARER_TOKEN')
+    let l:bearer_token = $COPILOT_BEARER_TOKEN
+  else
+    let l:bearer_token = GetBearerToken()
+  endif
+
+  let l:chat_token = GetChatToken()
+  let l:headers = [
+        \ 'Content-Type: application/json',
+        \ 'Authorization: Bearer ' . l:chat_token,
+        \ 'Editor-Version: vscode/1.80.1'
+        \ ]
+  let l:messages = [{'content': a:message, 'role': 'user'}]
+  let l:data = json_encode({
+        \ 'intent': v:false,
+        \ 'model': 'gpt-4o',
+        \ 'temperature': 0,
+        \ 'top_p': 1,
+        \ 'n': 1,
+        \ 'stream': v:true,
+        \ 'messages': l:messages
+        \ })
+
+  " Construct the curl command as a single string
+  let l:curl_cmd = 'curl -s -X POST '
+  for header in l:headers
+    let l:curl_cmd .= '-H "' . header . '" '
+  endfor
+  let l:curl_cmd .= "-d '" . l:data . "' " . l:url
+
+  " Print the curl command for debugging
+  echom l:curl_cmd
+
+  " Execute the curl command
+  let l:response = system(l:curl_cmd)
+
+  " Print the raw response for debugging
+  echom 'Response: ' . l:response
+
+  " Check for errors in the response
+  if v:shell_error != 0
+    echom 'Error: ' . v:shell_error
+    return 'Error: ' . l:response
+  endif
+
+  " Parse the response
+  let l:result = ''
+  let l:resp_text_lines = split(l:response, "\n")
+  for line in l:resp_text_lines
+    if line =~ '^data: {'
+      let l:json_completion = json_decode(line[6:])
+      try
+        let l:result .= l:json_completion.choices[0].delta.content
+      catch
+        let l:result .= '\\n'
+      endtry
+    endif
+  endfor
+
+  " Return the parsed response
+  return l:result
+endfunction
+
+" Map the command to open the chat
+command! CopilotChat call CopilotChat()
+
+" Map the command to submit a chat message
+command! SubmitChatMessage call SubmitChatMessage()
+
+" Add key mapping to submit chat message
+nnoremap <buffer> <leader>cs :SubmitChatMessage<CR>
diff --git a/plugin/copilot.vim b/plugin/copilot.vim
@@ -112,3 +112,9 @@ let s:dir = expand('<sfile>:h:h')
 if getftime(s:dir . '/doc/copilot.txt') > getftime(s:dir . '/doc/tags')
   silent! execute 'helptags' fnameescape(s:dir . '/doc')
 endif
+
+" Source the copilot_chat.vim file
+source /Users/bradbd/Documents/Github/copilot.vim/copilot_chat.vim
+
+" Add key mapping to open Copilot Chat
+nnoremap <leader>cc :CopilotChat<CR>