-- termguicolors
vim.opt.termguicolors = true

-- line numbers
vim.opt.number = true

-- tabwidth
vim.opt.tabstop = 4
vim.opt.shiftwidth = 4

-- indent with spaces
vim.opt.expandtab = true

-- scroll offset
vim.opt.scrolloff = 4

-- don't warp lines
vim.opt.wrap = false

-- split to right/below
vim.opt.splitright = true
vim.opt.splitbelow = true

-- presistent undo
vim.opt.undofile = true

-- searching
vim.opt.ignorecase = true
vim.opt.smartcase = true

-- preview commands
vim.opt.inccommand = "split"

-- completion
vim.opt.completeopt = "menu,menuone,noselect"

-- folding
vim.opt.foldmethod = "expr"
vim.opt.foldexpr = 'nvim_treesitter#foldexpr()'

-- set cursorline in active window
vim.cmd([[
    augroup CursorLine
        autocmd!
        autocmd VimEnter,WinEnter,BufWinEnter * setlocal cursorline
        autocmd WinLeave * setlocal nocursorline
    augroup END
]])

-- configure terminal
vim.cmd([[
    augroup terminal_setup
        autocmd!
        autocmd TermOpen * startinsert
        autocmd TermOpen * setlocal nonumber norelativenumber
    augroup END
]])