vim.opt.nu = true
vim.opt.relativenumber = true

vim.opt.tabstop = 4
vim.opt.softtabstop = 4
vim.opt.shiftwidth = 4
vim.opt.expandtab = true

vim.opt.smartindent = true

vim.opt.wrap = false

vim.opt.swapfile = false
vim.opt.backup = false
vim.opt.undodir = os.getenv("HOME") .. "/.vim/undodir"
vim.opt.undofile = true

vim.opt.hlsearch = false
vim.opt.incsearch = true

vim.g.netrw_browse_split = 0
vim.g.netrw_banner = 0
vim.g.netrw_winsize = 25

vim.g.mapleader = " "

vim.keymap.set({ 'i' }, 'kj', '<Esc>', { silent = true })
vim.keymap.set("n", "<leader>E", ":Rexplore<CR>")
vim.keymap.set("n", "<leader>f", ":Format<CR>")

vim.keymap.set("v", "J", ":m '>+1<CR>gv=gv")
vim.keymap.set("v", "K", ":m '<-2<CR>gv=gv")

vim.keymap.set("n", "J", "mzJ`z")
vim.keymap.set("n", "<C-d>", "<C-d>zz")
vim.keymap.set("n", "<C-u>", "<C-u>zz")
vim.keymap.set("n", "n", "nzzzv")
vim.keymap.set("n", "N", "Nzzzv")

vim.keymap.set("n", "<leader>u", ":UndotreeToggle<CR>:UndotreeFocus<CR>")