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

cmp.setup({
  enabled = true,
  snippet = {
    expand = function(args) -- REQUIRED - you must specify a snippet engine
      require("luasnip").lsp_expand(args.body) -- For `luasnip` users.
    end,
  },
  mapping = cmp.mapping.preset.insert({
    ["<C-b>"] = cmp.mapping.scroll_docs(-4),
    ["<C-f>"] = cmp.mapping.scroll_docs(4),
    ["<C-Space>"] = cmp.mapping.complete(),
    ["<C-e>"] = cmp.mapping.abort(),
    ["<C-n>"] = cmp.mapping.select_next_item(),
    ["<C-p>"] = cmp.mapping.select_prev_item(),
    ["<C-l>"] = cmp.mapping.confirm({ select = true }), -- Accept currently selected item. Set `select` to `false` to only confirm explicitly selected items.
    ["<C-k>"] = cmp.mapping(function()
      if luasnip.jumpable(1) then
        luasnip.jump(1)
      end
    end, { "i", "s" }),
    ["<C-j>"] = cmp.mapping(function()
      if luasnip.jumpable(-1) then
        luasnip.jump(-1)
      end
    end, { "i", "s" }),
  }),
  sources = cmp.config.sources({
    { name = "nvim_lsp" },
    { name = "luasnip" },
    { name = "nvim_lua" },
  }, {
    { name = "buffer" },
    { name = "path" },
  }),
})

-- Use buffer source for `/` and `?` (if you enabled `native_menu`, this won't work anymore).
cmp.setup.cmdline({ "/", "?" }, {
  mapping = cmp.mapping.preset.cmdline(),
  sources = {
    { name = "buffer" },
  },
})

-- Use cmdline & path source for ':' (if you enabled `native_menu`, this won't work anymore).
cmp.setup.cmdline(":", {
  mapping = cmp.mapping.preset.cmdline(),
  sources = cmp.config.sources({
    { name = "path" },
  }, {
    { name = "cmdline" },
  }),
})