local opt = vim.opt

local M = {}

M.setup = function()
    -- Number settings
    opt.number = true
    opt.numberwidth = 2
    opt.relativenumber = false

    -- Scroll Offset
    opt.scrolloff = 3

    -- Disable showmode
    opt.showmode = false

    -- Set truecolor support
    opt.termguicolors = true
    vim.cmd('highlight Normal guibg=none')

    -- Enable system clipboard
    opt.clipboard = 'unnamedplus'

    -- Set mouse support for any mode
    opt.mouse = 'a'

    -- Allow hidden
    opt.hidden = true

    -- Useful defaults for tab, indentation, etc.
    opt.tabstop = 4
    opt.shiftwidth = 4
    opt.smartindent = true
    opt.breakindent = true
    opt.expandtab = true
    opt.smarttab = true

    -- Search settings
    opt.hlsearch = true
    opt.incsearch = true
    opt.ignorecase = true
    opt.smartcase = true

    -- Better backspaces
    opt.backspace = 'indent,eol,start'

    -- Make new splits vertical
    opt.splitright = true

    -- Show line & column num of cursor
    opt.ruler = true

    -- Set timeouts
    opt.ttimeoutlen = 20
    opt.timeoutlen = 1000
    opt.updatetime = 250
    opt.signcolumn = 'yes'

    -- Enable persistent undo
    opt.undodir = vim.fn.stdpath('cache') .. '/undo'
    opt.undofile = true

    -- Better folding
    opt.foldmethod = 'expr'
    opt.foldexpr = 'nvim_treesitter#foldexpr()'
    opt.fillchars = { fold = ' ' }
    opt.foldlevel = 20

    -- Concealment for nicer rendering
    opt.conceallevel = 2
    opt.concealcursor = 'ic'

    -- Lazy Redraw to Speed Up Macros
    opt.lazyredraw = true

    -- Spell Settings
    opt.spelllang = { 'en_us' }

    -- Better completion experience
    opt.completeopt = 'menuone,noselect'

    -- Set max text width
    opt.textwidth = 120

    -- Highlight cursor line
    opt.cursorline = true

    -- Make statusline global
    opt.laststatus = 3

    -- Set listcharacters
    opt.list = true
    opt.listchars:append('tab:-->')
    opt.listchars:append('lead:·')
    opt.listchars:append('trail:·')
    opt.listchars:append('extends:◣')
    opt.listchars:append('precedes:◢')
    opt.listchars:append('nbsp:○')

    -- Remove end of boundry '~'
    opt.fillchars:append('eob: ')

    -- Allow vim to get settings from file
    opt.modelines = 5
end

return M