local function LSP_progress()
  if not rawget(vim, "lsp") then
    return ""
  end

  local Lsp = vim.lsp.util.get_progress_messages()[1]

  if vim.o.columns < 120 or not Lsp then
    return ""
  end

  local msg = Lsp.message or ""
  local percentage = Lsp.percentage or 0
  local title = Lsp.title or ""
  local spinners = { "", "󰪞", "󰪟", "󰪠", "󰪢", "󰪣", "󰪤", "󰪥" }
  local ms = vim.loop.hrtime() / 1000000
  local frame = math.floor(ms / 120) % #spinners
  local content = string.format(" %%<%s %s %s (%s%%%%) ", spinners[frame + 1], title, msg, percentage)

  return ("%#St_LspProgress#" .. content) or ""
end

  -- Lsp server name .
local function lsp_server()
    local msg = 'lsp'
    local buf_ft = vim.api.nvim_buf_get_option(0, 'filetype')
    local clients = vim.lsp.get_active_clients()
    if next(clients) == nil then
      return msg
    end
    for _, client in ipairs(clients) do
      local filetypes = client.config.filetypes
      if filetypes and vim.fn.index(filetypes, buf_ft) ~= -1 then
        return client.name
      end
    end
    return msg
  end

require('lualine').setup {
    options = {
        icons_enabled = true,
        theme = 'auto',
        component_separators = { left = '', right = '' },
        section_separators = { left = '', right = '' },
        disabled_filetypes = {
            statusline = {},
            winbar = {},
        },
        ignore_focus = {},
        always_divide_middle = true,
        globalstatus = false,
        refresh = {
            statusline = 1000,
            tabline = 1000,
            winbar = 1000,
        }
    },
    sections = {
        lualine_a = { 'mode' },
        lualine_b = { 'branch', 'diff', 'diagnostics' },
        lualine_c = {
            { lsp_server,   icon = ' ', color = { fg = '#ffffff', gui = 'bold' } },
            { "filename", path = 1, symbols = { modified = "  ", readonly = "", unnamed = "" } }
        },
        lualine_x = { LSP_progress, 'encoding', 'fileformat', 'filetype' },
        lualine_y = { 'progress' },
        lualine_z = { 'location' }
    },
    inactive_sections = {
        lualine_a = {},
        lualine_b = {},
        lualine_c = { 'filename' },
        lualine_x = { 'location' },
        lualine_y = {},
        lualine_z = {}
    },
    tabline = {},
    winbar = {},
    inactive_winbar = {},
    extensions = {}
}