local M = {}

M.appid = "Nvim Config"

function M.colorscheme(name)
  vim.cmd('colorscheme '..name)
  for k, v in pairs(vim.fn.getcompletion('', 'color')) do
    if v == name..'.ext' then
      vim.cmd('colorscheme '..name..'.ext')
    end
  end
end

function M.replaceword(old, new)
  local conf = vim.fn.stdpath("config").."/lua/conf/".."opts.lua"
  local f = io.open(conf, "r")
  local new_content = f:read("*all"):gsub(old, new)

  f = io.open(conf, "w")
  f:write(new_content)
  f:close()
end

function M.include(fn)
  if not pcall(require, fn) then
    vim.notify('Could not find "'..fn, vim.log.levels.WARN..'"', { title = M.appid })
  end
end

function M.readf(fn)
  local f = io.open(fn, "r")
  if not f then return nil end
  local tab = {}
  for l in f:lines() do
    table.insert(tab, l)
  end
  return tab
end

return M