--[[


⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⢀⣠⣴⣾⣷⣦⣄⡀
⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⢀⣠⣴⣾⣿⣿⣿⣿⣿⣿⣿⣿⣷⣦⣄⡀
⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⢀⣠⣴⣾⣿⣿⣿⣿⣿⣿⣿⣿⣿⣿⣿⣿⣿⣿⣿⣿⣷⣦⣄⡀
⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⡀⠚⢿⣿⣿⣿⣿⣿⣿⣿⣿⣿⣿⣿⣿⣿⣿⣿⣿⣿⣿⣿⣿⣿⣿⡿⠗⢀
⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⣀⣤⣄⡉⠓⠦⣌⡙⠻⢿⣿⣿⣿⣿⣿⣿⣿⣿⣿⣿⣿⣿⣿⣿⡿⠟⢋⣡⠴⠚⢉⣠⣤⣀
⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⣤⣶⣿⣿⣿⣿⣿⣷⣦⣄⡉⠓⠦⣌⡙⠻⢿⣿⣿⣿⣿⣿⣿⡿⠟⢋⣡⠴⠚⢉⣠⣴⣾⣿⣿⣿⣿⣿⣶⣤
⠀⠀⠀⠀⠀⠀⠀⠀⠐⣦⣄⡉⠛⠿⣿⣿⣿⣿⣿⣿⣿⣷⣦⣄⡉⠓⠦⣌⡙⠻⠟⢋⣡⠴⠚⢉⣠⣴⣾⣿⣿⣿⣿⣿⣿⣿⠿⠛⢉⣠⣴⠂
⠀⠀⠀⠀⢀⣠⣴⣆⡈⠻⢿⣿⣷⣦⣄⡉⠛⠿⣿⣿⣿⣿⣿⣿⣿⣷⣦⣄⡉⠃⠘⢉⣠⣴⣾⣿⣿⣿⣿⣿⣿⣿⠿⠛⢉⣠⣴⣾⣿⡿⠟⢁⣰⣦⣄⡀
⠀⠀⠐⠾⣿⣿⣿⣿⣿⣷⣦⣌⡙⠻⢿⣿⣷⣦⣄⡉⠛⠿⣿⣿⣿⣿⣿⣿⣿⣷⣾⣿⣿⣿⣿⣿⣿⣿⠿⠛⢉⣠⣴⣾⣿⡿⠟⢋⣡⣴⣾⣿⣿⣿⣿⣿⠷⠂
⠀⢸⣷⣦⣄⡉⠛⠿⣿⣿⣿⣿⣿⣷⣦⣌⡙⠻⢿⣿⣷⣦⣄⡉⠛⠿⣿⣿⣿⣿⣿⣿⣿⣿⠿⠛⢉⣠⣴⣾⣿⡿⠟⢋⣡⣴⣾⣿⣿⣿⣿⣿⠿⠛⢉⣠⣴⣾⡇
⠀⢸⣿⣿⣿⣿⣷⣦⣄⡉⠛⠿⣿⣿⣿⣿⣿⣷⣦⣌⡙⠻⢿⣿⣷⣦⣄⡉⠛⠿⠿⠛⢉⣠⣴⣾⣿⡿⠟⢋⣡⣴⣾⣿⣿⣿⣿⣿⠿⠛⢉⣠⣴⣾⣿⣿⣿⣿⡇
⠀⠀⠉⠛⠿⣿⣿⣿⣿⣿⣷⣦⣄⡉⠛⠿⣿⣿⣿⣿⣿⣷⣦⣌⡙⠻⢿⣿⣷⡆⢰⣾⣿⡿⠟⢋⣡⣴⣾⣿⣿⣿⣿⣿⠿⠛⢉⣠⣴⣾⣿⣿⣿⣿⣿⠿⠛⠉
⠀⠀⠀⠀⠀⠀⠉⠛⠿⣿⣿⣿⣿⣿⣷⣦⣄⡉⠛⠿⣿⣿⣿⣿⣿⣷⣦⣌⡙⠃⠘⢋⣡⣴⣾⣿⣿⣿⣿⣿⠿⠛⢉⣠⣴⣾⣿⣿⣿⣿⣿⠿⠛⠉
⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠉⠛⠿⣿⣿⣿⣿⣿⣷⣦⣄⡉⠛⠿⣿⣿⣿⣿⣿⣷⣾⣿⣿⣿⣿⣿⠿⠛⢉⣠⣴⣾⣿⣿⣿⣿⣿⠿⠛⠉
⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠉⠛⠿⣿⣿⣿⣿⣿⣷⣦⣄⡉⠛⠿⣿⣿⣿⣿⠿⠛⢉⣠⣴⣾⣿⣿⣿⣿⣿⠿⠛⠉
⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠉⠛⠿⣿⣿⣿⣿⣿⣷⣦⣄⡉⢉⣠⣴⣾⣿⣿⣿⣿⣿⠿⠛⠉
⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠉⠛⠿⣿⣿⣿⣿⡇⢸⣿⣿⣿⣿⠿⠛⠉
⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠉⠛⠿⡇⢸⠿⠛⠉

__             _             _
/ _|___     ___| |_ __ _  ___| | __
| ||_  /____/ __| __/ _` |/ __| |/ /
|  _/ /_____\__ \ || (_| | (__|   <
|_|/___|    |___/\__\__,_|\___|_|\_\

Neovim v0.12 configuration
(C) Frank Zechert 2026
]]

vim.pack.add({
	{ src = "https://github.com/nvim-tree/nvim-web-devicons" },
	{ src = "https://github.com/nvim-lualine/lualine.nvim" }
})

local function expandtabs()
	if not vim.bo.expandtab then
		return string.format("%s %d", vim.g.ui.listchars.leadtab, vim.bo.tabstop)
	else
		local width = vim.bo.shiftwidth
		if width == 0 then
			width = vim.bo.tabstop
		end
		return string.format("%s %d", vim.g.ui.listchars.nbsp, width)
	end
end

local function windownumber()
	return string.format("%s %s", vim.g.ui.symbols.window, vim.fn.winnr())
end

local function treesitter_status()
	local ok, parser = pcall(vim.treesitter.get_parser, 0)
	if not ok or not parser then
		return "T"..vim.g.ui.symbols.not_overline
	else
		return "T"
	end
end

local function lsp_status()
	local clients = vim.lsp.get_clients({bufnr = 0})
	if #clients == 0 then
		-- no LSP is attached
		return "L"..vim.g.ui.symbols.not_overline
	end

	local lsp_names = {}
	for _, client in ipairs(clients) do
		local roots = {}
		if client.workspace_folders then
			for _, workspace_folder in ipairs(client.workspace_folders) do
				table.insert(roots, workspace_folder.name or workspace_folder.uri or "")
			end
		end
		local has_root = (roots and #roots > 0)
		local root_flag = has_root and "+R" or ""
		table.insert(lsp_names, string.format("%s%s", client.name, root_flag))
	end
	return string.format("L: %s", table.concat(lsp_names, ", "))
end


require('lualine').setup({
	options = {
		component_separators = vim.g.ui.symbols.component_separators,
		section_separators = vim.g.ui.symbols.section_separators,
		globalstatus = false,
		refresh = {
			refresh_time = 33, -- ~30 fps
		}
	},
	sections = {
		lualine_a = { "mode" },
		lualine_b = { "searchcount", "selectioncount" },
		lualine_c = {
			{ "filename", file_status = true, newfile_status = true, path = 1 },
		},
		lualine_x = {
			"encoding",
			{ "fileformat", icons_enabled = true, symbols = { unix = "LF", dos = "CRLF", mac = "CR" } },
			expandtabs,
			"filesize"
		},
		lualine_y = {},
		lualine_z = { "location", "progress" },
	},
	inactive_sections = {
		lualine_a = {},
		lualine_b = {},
		lualine_c = {
			{ "filename", file_status = true, newfile_status = true, path = 1 },
		},
		lualine_x = {
			"encoding",
			{ "fileformat", icons_enabled = true, symbols = { unix = "LF", dos = "CRLF", mac = "CR" } },
			expandtabs,
			"filesize",
		},
		lualine_y = {},
		lualine_z = { "location", "progress" },
	},
	tabline = {
		lualine_a = {
			{ "buffers", mode = 2, use_mode_colors = true },
		},
		lualine_b = {},
		lualine_c = {},
		lualine_x = {},
		lualine_y = {},
		lualine_z = {
			{ "tabs", mode = 0, use_mode_colors = true },
		},
	},
	winbar = {
		lualine_a = { windownumber },
		lualine_b = { "filename", "filetype" },
		lualine_c = { "diagnostics" },
		lualine_x = { treesitter_status, lsp_status },
		lualine_y = { "branch", "diff" },
		lualine_z = {},
	},
	inactive_winbar = {
		lualine_a = { windownumber },
		lualine_b = {},
		lualine_c = {},
		lualine_x = {},
		lualine_y = {},
		lualine_z = {},
	}

})