if vim.g.did_load_completion_plugin then
  return
end
vim.g.did_load_completion_plugin = true
local cmp = require('cmp')

cmp.setup {
  snippet = {
    expand = function(args)
      require('luasnip').lsp_expand(args.body)
    end,
  },
  experimental = {
    native_menu = false,
    ghost_text = true,
  },
  mapping = cmp.mapping.preset.insert {
    ['<C-j>'] = cmp.mapping.scroll_docs(-4),
    ['<C-k>'] = cmp.mapping.scroll_docs(4),
    ['<C-Space>'] = cmp.mapping.complete(),
    ['q'] = cmp.mapping.abort(),
    ['<C-Space>'] = cmp.mapping.confirm { select = true }, -- Accept currently selected item. Set `select` to `false` to only confirm explicitly selected items.
  },
  sources = cmp.config.sources({
    { name = 'nvim_lsp' },
    { name = 'luasnip' },
  }, {
    { name = 'buffer' },
  }),
}

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

cmp.setup.cmdline(':', {
  mapping = cmp.mapping.preset.cmdline(),
  sources = cmp.config.sources({
    { name = 'path' },
  }, {
    { name = 'cmdline' },
  }),
  matching = { disallow_symbol_nonprefix_matching = false },
})