local cmd = vim.cmd
local opt = vim.opt
local g = vim.g
local indent = 2

cmd([[
	filetype plugin indent on
]])

local augroup_name = 'CosmicNvimEditor'
local group = vim.api.nvim_create_augroup(augroup_name, { clear = true })
vim.api.nvim_create_autocmd('BufWritePre', {
  command = [[%s/\s\+$//e]],
  group = group,
})

g.mapleader = ' '

-- misc
opt.backspace = { 'eol', 'start', 'indent' }
opt.clipboard = 'unnamedplus'
opt.encoding = 'utf-8'
opt.matchpairs = { '(:)', '{:}', '[:]', '<:>' }
opt.syntax = 'enable'
opt.sessionoptions = 'blank,buffers,curdir,folds,help,tabpages,winsize,winpos,terminal,localoptions'

-- indention
opt.autoindent = true
opt.expandtab = true
opt.shiftwidth = indent
opt.smartindent = true
opt.softtabstop = indent
opt.tabstop = indent

-- search
opt.hlsearch = true
opt.ignorecase = true
opt.smartcase = true
opt.wildignore = opt.wildignore + { '*/node_modules/*', '*/.git/*', '*/vendor/*' }
opt.wildmenu = true

-- ui
opt.cursorline = true
opt.laststatus = 2
--[[ opt.lazyredraw = true ]]
opt.list = true
opt.listchars = {
  tab = '❘-',
  trail = '·',
  lead = '·',
  extends = '»',
  precedes = '«',
  nbsp = '×',
}
opt.mouse = 'a'
opt.number = true
opt.rnu = true
opt.scrolloff = 18
opt.showmode = false
opt.sidescrolloff = 3 -- Lines to scroll horizontally
opt.signcolumn = 'yes'
opt.splitbelow = true -- Open new split below
opt.splitright = true -- Open new split to the right
opt.wrap = false

-- backups
opt.backup = false
opt.swapfile = false
opt.writebackup = false

-- autocomplete
opt.completeopt = { 'menu', 'menuone', 'noselect' }
opt.shortmess = opt.shortmess + { c = true }

-- perfomance
opt.redrawtime = 1500
opt.ttimeoutlen = 10
opt.updatetime = 100

-- theme
opt.termguicolors = true

-- filetypes
vim.filetype.add({
  extension = {
    vert = 'glsl',
    frag = 'glsl',
    xrl = 'erlang',
    yrl = 'erlang',
    src = 'erlang',
  },
  filename = {
    ['rebar.config'] = 'erlang',
  },
})