local o = vim.opt
local map = vim.api.nvim_set_keymap

vim.g.mapleader = ","
vim.g.maplocalleader = ","
o.modeline = true
o.number = true
o.relativenumber = true
o.clipboard = "unnamedplus"
o.viminfo = ""
-- why viminfo not work
o.expandtab = true
o.tabstop = 4
o.shiftwidth = 0
o.viminfo = ''
vim.g.base16colorspace = 256
o.termguicolors = true

vim.cmd [[
    augroup spellcheck
        au!
        au FileType markdown setlocal spell
        au FileType plaintex setlocal spell
        au FileType tex setlocal spell
        au FileType latex setlocal spell
        au BufRead,BufNewFile *.md setlocal spell
        au BufRead,BufNewFile *.tex setlocal spell
    augroup END
]]
o.spelllang = "en_us"
map('i', '<C-L>', '<c-g>u<Esc>[s1z=`]a<c-g>u', { noremap = true })


vim.cmd('colorscheme theme')
vim.g.airline_theme = 'theme'

map('n', '<Leader>s', ':%s//g<Left><Left>', {})
map('n', '<Leader>e', ':make!<CR>', { noremap = true })
map('n', '<C-o>', ':cclose<CR>', { noremap = true })
map('n', '<C-L>', ':nohlsearch<CR><C-L>', { noremap = true, silent = true })
map('n', ';', ':', { noremap = true })
map('v', ';', ':', { noremap = true })

for i = 1, 9, 1 do
    map('', '<Leader>' .. tostring(i), tostring(i) .. 'gt', { noremap = true })
end

map('n', '<C-Left>', ':tabprevious<CR>', { noremap = true })
map('n', '<C-Right>', ':tabnext<CR>', { noremap = true })
map('', '<Leader>0', ':tablast<CR>', { noremap = true })
map('n', 'ZX', '<Cmd>q<CR>', { noremap = true, silent = true })

map('t', '<Esc>', '<C-\\><C-n>', { noremap = true })

o.list = true
o.listchars = {
    tab = '▸ ',
    eol = '¬',
    trail = '·',
    extends = '›'
}


vim.cmd [[
	augroup options_guicursor
		au!
		" Reset to vertical cursor for terminal nvim (https://github.com/neovim/neovim/issues/4867#issuecomment-291249173)
		au VimLeave * set guicursor=a:ver90
	augroup END
]]