return {
	{
		"nvim-lualine/lualine.nvim",
		event = "InsertEnter",
		config = function()
			local hide_in_width = function()
				return vim.fn.winwidth(0) > 80
			end
			local icons = require("user.icons")

			local getLeftSubstring = function(word, length)
				if #word > length then
					return string.sub(word, 1, length) .. "..."
				else
					return word
				end
			end

			-- start for lsp
			local list_registered_providers_names = function(filetype)
				local s = require("null-ls.sources")
				local available_sources = s.get_available(filetype)
				local registered = {}
				for _, source in ipairs(available_sources) do
					for method in pairs(source.methods) do
						registered[method] = registered[method] or {}
						table.insert(registered[method], source.name)
					end
				end
				return registered
			end

			local null_ls = require("null-ls")
			-- for formatter
			local list_registered = function(filetype)
				local method = null_ls.methods.FORMATTING
				local registered_providers = list_registered_providers_names(filetype)
				return registered_providers[method] or {}
			end

			--- for linter
			local alternative_methods = {
				null_ls.methods.DIAGNOSTICS,
				null_ls.methods.DIAGNOSTICS_ON_OPEN,
				null_ls.methods.DIAGNOSTICS_ON_SAVE,
			}

			local linter_list_registered = function(filetype)
				local registered_providers = list_registered_providers_names(filetype)
				local providers_for_methods = vim.tbl_flatten(vim.tbl_map(function(m)
					return registered_providers[m] or {}
				end, alternative_methods))

				return providers_for_methods
			end
			-- end for lsp

			local lsp_info = {
				function()
					local msg = "LS Inactive"
					local buf_ft = vim.bo.filetype
					local clients = vim.lsp.get_active_clients()
					-- start register
					local buf_clients = vim.lsp.buf_get_clients()
					local buf_client_names = {}
					if next(buf_clients) == nil then
						-- TODO: clean up this if statement
						if type(msg) == "boolean" or #msg == 0 then
							return "LS Inactive"
						end
						return msg
					end
					-- add client
					for _, client in pairs(buf_clients) do
						if client.name ~= "null-ls" and client.name ~= "copilot" then
							table.insert(buf_client_names, client.name)
						end
					end
					-- add formatter
					local supported_formatters = list_registered(buf_ft)
					vim.list_extend(buf_client_names, supported_formatters)
					-- add linter
					local supported_linters = linter_list_registered(buf_ft)
					vim.list_extend(buf_client_names, supported_linters)
					-- decomple
					local unique_client_names = vim.fn.uniq(buf_client_names)
					local msg = table.concat(unique_client_names, ", ")
					return msg
				end,
				--icon = " ",
				icon = icons.ui.Gear .. "",
				padding = 1,
			}

			local diagnostics = {
				"diagnostics",
				sources = { "nvim_diagnostic" },
				sections = { "error", "warn" },
				-- symbols = { error = " ", warn = " " },
				symbols = {
					error = icons.diagnostics.BoldError .. " ",
					warn = icons.diagnostics.BoldWarning .. " ",
				},
				colored = true,
				update_in_insert = false,
				always_visible = false,
			}

			local diff = {
				"diff",
				colored = true,
				-- symbols = { added = " ", modified = " ", removed = " " }, -- changes diff symbols
				symbols = {
					added = icons.git.LineAdded .. " ",
					modified = icons.git.LineModified .. " ",
					removed = icons.git.LineRemoved .. " ",
				}, -- changes diff symbols
				cond = hide_in_width,
			}

			local spaces = function()
				-- return " " .. vim.api.nvim_buf_get_option(0, "shiftwidth")
				return icons.ui.Tab .. " " .. vim.api.nvim_buf_get_option(0, "shiftwidth")
			end

			local mode = {
				"mode",
				padding = 1,
				separator = { left = " " },
				-- right_padding = 3,
				fmt = function(str)
					return icons.ui.Neovim .. " " .. str
				end,
			}
			local branch = {
				"branch",
				padding = 1,
			}

			local get_branch = function()
				if vim.b.gitsigns_head ~= nil then
					return icons.git.Branch2 .. " " .. getLeftSubstring(vim.b.gitsigns_head, 6)
				else
					return icons.git.Branch2 .. vim.fn.fnamemodify("", ":t")
				end
			end

			local lsp_progress = {}
			local data_ok, lspprogress = pcall(require, "lsp-progress")
			if data_ok then
				lsp_progress = lspprogress.progress
			end
	     -- stylua: ignore
	    local github=vim.fn.fnamemodify("auto", ":t")
			local status_ok, _ = pcall(require, "github-theme")
			if status_ok then
				local C = require("github-theme.lib.color")
				local config = require("github-theme.config").options
				local s = require("github-theme.spec").load("github_dark_dimmed")
				local p = s.palette
				local tbg = config.transparent and "NONE" or s.bg0

				local function blend(color, a)
					return C(s.bg1):blend(C(color), a):to_css()
				end

				--- Create lualine group colors for github-theme
				---@param color string
				local tint = function(color)
					return {
						a = { bg = color, fg = s.bg1 },
						b = { bg = blend(color, 0.2), fg = blend(color, 0.8) },
						c = { bg = "NONE", fg = blend(color, 0.60) },
					}
				end

				local inactive_hi = { bg = tbg, fg = blend(s.fg1, 0.3) }
				github = {
					normal = tint(p.blue.base),
					insert = tint(p.green.base),
					command = tint(p.magenta.bright),
					visual = tint(p.yellow.base),
					replace = tint(p.red.base),
					terminal = tint(p.orange),
					inactive = {
						a = inactive_hi,
						b = inactive_hi,
						c = inactive_hi,
					},
				}
			end

			require("lualine").setup({
				options = {
					theme = github,
					-- theme = "auto",
					component_separators = { left = "", right = "" },
					section_separators = { left = "", right = "" },
					disabled_filetypes = {
						"TelescopePrompt",
						"packer",
						"alpha",
						"dashboard",
						"NvimTree",
						"Outline",
						"DressingInput",
						"toggleterm",
						"lazy",
						"mason",
						"neo-tree",
						"startuptime",
					},
					always_divide_middle = true,
				},
				sections = {
					lualine_a = {
						mode,
					},
					lualine_b = { get_branch },
					lualine_c = { lsp_info, diagnostics, lsp_progress },
					lualine_x = { diff, spaces, "filetype" },
					lualine_y = { "progress" },
					lualine_z = {
						{ "location", separator = { right = " " }, padding = 1 },
					},
				},
				inactive_sections = {
					lualine_a = { "filename" },
					lualine_b = {},
					lualine_c = {},
					lualine_x = {},
					lualine_y = {},
					lualine_z = { "location" },
				},
				tabline = {},
				extensions = {},
			})
		end,
	},
}