local cmp = require("cmp")

cmp.setup({
  snippet = {
    expand = function(args)
      vim.fn["vsnip#anonymous"](args.body)
    end,
  },
  mapping = {
    ['<C-Space>'] = cmp.mapping.complete(),
    ['<C-e>'] = cmp.mapping.abort(),
    ['<C-b>'] = cmp.mapping.scroll_docs(-4),
    ['<C-f>'] = cmp.mapping.scroll_docs(4),
    ['<Tab>'] = cmp.mapping(function(fallback)
      if cmp.visible() then
        cmp.select_next_item()
      else
        fallback() -- Insert a tab character if no menu is visible
      end
    end, { 'i' }),
    ['<S-Tab>'] = cmp.mapping(function(fallback)
      if cmp.visible() then
        cmp.select_prev_item()
      else
        fallback() -- Reverse tab character if no menu is visible
      end
    end, { 'i' }),
    ['<CR>'] = cmp.mapping(function(fallback)
      if cmp.visible() then
        cmp.confirm({ select = true }) -- Confirm the selected item
      else
        fallback() -- Insert a newline if no menu is visible
      end
    end, { 'i' }),
  },
  sources = cmp.config.sources({
    { name = 'nvim_lsp' },
    { name = 'vsnip' },
  }, {
    { name = 'buffer' },
    { name = 'path' },
  })
})