local separator = {
  "|",
  color = "StatusLineNonText",
}

local non_text_hl = vim.api.nvim_get_hl(0, { name = "NonText" })
local statusline_hl = vim.api.nvim_get_hl(0, { name = "StatusLine" })

vim.api.nvim_set_hl(0, "StatusLineNonText", {
  fg = non_text_hl.fg,
  bg = statusline_hl.bg,
})

local function lsp_clients()
  local clients = vim.lsp.get_clients({ bufnr = 0 })

  if #clients == 0 then
    return ""
  end

  local names = {}

  for _, client in ipairs(clients) do
    names[#names + 1] = client.name
  end

  return "LSP: " .. table.concat(names, ", ")
end

require("lualine").setup({
  options = {
    section_separators = '',
    component_separators = "",
    globalstatus = true,
    theme = {
      normal = {
        a = "StatusLine",
        b = "StatusLine",
        c = "StatusLine",
      },
    },
  },
  sections = {
    lualine_a = {
      "mode",
      separator,
    },
    lualine_b = {
      "branch",
      "diff",
      separator,
      lsp_clients,
      { "diagnostics", sources = { "nvim_diagnostic" } },
      separator,
    },
    lualine_c = {
      "filename",
    },
    lualine_x = {
      "filetype",
      "encoding",
      "fileformat",
    },
    lualine_y = {
      separator,
      function()
        return (vim.bo.expandtab and "s" or "t") .. " • " .. vim.bo.shiftwidth
      end,
      separator,
    },
    lualine_z = {
      "location",
      "progress",
    },
  },
})