;; Autocompletion and Snippets with nvim-cmp and luasnip
(let 
  [cmp (require :cmp)
   luasnip (require :luasnip)
   vscode-snips (require :luasnip.loaders.from_vscode)
  ]
    (vscode-snips.lazy_load)
    (luasnip.config.setup)
    (cmp.setup 
      {:snippet {:expand #(luasnip $1)}
       :mapping (cmp.mapping.preset.insert 
         {:<C-j> (cmp.mapping.select_next_item)
          :<C-k> (cmp.mapping.select_prev_item)
          :<C-d> (cmp.mapping.scroll_docs -4)
          :<C-f> (cmp.mapping.scroll_docs 4)
          :<C-Space> (cmp.mapping.complete)
          :<CR> (cmp.mapping.confirm {:behavior cmp.ConfirmBehavior.Replace :select true})
          :<Tab> (cmp.mapping (fn [fallback]
                                  (if (cmp.visible) (cmp.select_prev_item)
                                      (luasnip.expand_or_locally_jumpable) (luasnip.expand_or_jump)
                                      (fallback))) [:i :s])
          :<S-Tab> (cmp.mapping (fn [fallback]
                                    (if (cmp.visible) (cmp.select_prev_item)
                                      (luasnip.locally_jumpable -1) (luasnip.jump -1)
                                      (fallback))) [:i :s])})
       :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}])})
    (cmp.setup.filetype [:gitcommit] 
      {:mapping (cmp.mapping.preset.cmdline)
       :sources (cmp.config.sources 
         [{:name :git} 
          {:name :buffer}])
      }))