local M = {}

local function find_config_path()
   local config = vim.fn.expand('$XDG_CONFIG_HOME')
   if config and vim.fn.isdirectory(config) > 0 then
      return config
   elseif vim.fn.has('win32') > 0 then
      config = vim.fn.expand('~/AppData/Local')
      if vim.fn.isdirectory(config) > 0 then return config end
   else
      config = vim.fn.expand('~/.config')
      if vim.fn.isdirectory(config) > 0 then return config
      else print("Error: could not find config path")
      end
   end
end


local function json_body(response)
   if response.headers['content-type'] == 'application/json' then
      return vim.fn.json_decode(response.body)
   end
end

local function oauth_user(token)
   return vim.fn.json_decode(vim.fn.system("curl -s --header \"Authorization: Bearer " .. token .. "\" https://api.github.com/user"))
end

local function oauth_save(oauth_token)
   local user_data = oauth_user(oauth_token)
   local github = {oauth_token = oauth_token, user = user_data.login}
   return github
end

M.get_cred = function ()
   local userdata = vim.fn.json_decode(vim.api.nvim_eval("readfile('" .. find_config_path() .. "/github-copilot/hosts.json')"))
   local token = userdata["github.com"].oauth_token
   local user = oauth_user(token)
   return {user = user, token = token}
end

return M