local cmp = require("cmp")
local luasnip = require("luasnip")

local has_words_before = function()
	local line, col = unpack(vim.api.nvim_win_get_cursor(0))
	return col ~= 0 and vim.api.nvim_buf_get_lines(0, line -1, line, true)[1]:sub(col,col):match("%s") == nil
end
cmp.setup({
    snippet = {
      expand = function(args)
        require('luasnip').lsp_expand(args.body) -- For `luasnip` users.
      end,
    },
    mapping = {
			['<C-k>'] = cmp.mapping.select_prev_item(),
			['<C-j>'] = cmp.mapping.select_next_item(),
      ['<C-d>'] = cmp.mapping(cmp.mapping.scroll_docs(-4), { 'i', 'c' }),
      ['<C-f>'] = cmp.mapping(cmp.mapping.scroll_docs(4), { 'i', 'c' }),
      ['<C-Space>'] = cmp.mapping(cmp.mapping.complete(), { 'i', 'c' }),
      ['<C-y>'] = cmp.config.disable, -- Specify `cmp.config.disable` if you want to remove the default `<C-y>` mapping.
      ['<C-e>'] = cmp.mapping({
        i = cmp.mapping.abort(),
        c = cmp.mapping.close(),
      }),
      ['<CR>'] = cmp.mapping.confirm({ select = true }),
			['<Tab>'] = cmp.mapping(function(fallback)
				if cmp.visible() then
					cmp.select_next_item()
				elseif luasnip.expand_or_jumpable() then
					luasnip.expand_or_jump()
				elseif has_words_before() then
					cmp.complete()
				else
					fallback()
				end
			end,{"i","s"}),
			['<S-Tab>'] = cmp.mapping(function(fallback)
				if cmp.visible() then
					cmp.select_prev_item()
				elseif luasnip.jumpable(-1) then
					luasnip.jump(-1)
				else
					fallback()
				end
			end,{"i","s"})
    },
    sources = cmp.config.sources({
      { name = 'nvim_lsp' },
      { name = 'luasnip' }, -- For luasnip users.
    }, {
      { name = 'buffer' },
    })
  })

cmp.setup.cmdline('/',{
sources = {
	{ name = 'buffer' }
	}
})

cmp.setup.cmdline(':',{
sources = cmp.config.sources({
{name = 'path'}
},{{name='cmdline'}})
})