-- nvim-cmp setup
local luasnip = require("luasnip")
local cmp = require("cmp")
cmp.setup {
    snippet = {
	expand = function(args)
	    luasnip.lsp_expand(args.body)
	end
    },
    mapping = cmp.mapping.preset.insert({
	['<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(function(fallback)
	    if cmp.visible() then
		cmp.select_next_item()
	    elseif luasnip.expand_or_jumpable() then
		luasnip.expand_or_jump()
	    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 = {
	{ name = 'nvim_lsp' },
	{ name = 'luasnip' },
    },
}