-- Plugins related to autocompletition
return { {
	'hrsh7th/nvim-cmp',
	dependencies = {
		{
			'L3MON4D3/LuaSnip',
			keys = function()
				return {};
			end,
		},
		'saadparwaiz1/cmp_luasnip',
		'hrsh7th/cmp-nvim-lsp',
		'rafamadriz/friendly-snippets',
		'onsails/lspkind.nvim',
	},
	config = function()
		vim.api.nvim_set_hl(0, 'CmpGhostText', { link = 'Comment', default = true });

		local cmp = require('cmp');
		local cmp_defaults = require('cmp.config.default')();

		local lspkind = require('lspkind');
		local luasnip = require('luasnip');

		require('luasnip.loaders.from_vscode').lazy_load();
		luasnip.config.setup({});

		local has_words_before = function()
			unpack = unpack or table.unpack;
			local line, col = unpack(vim.api.nvim_win_get_cursor(0));
			return col ~= 0 and vim.api.nvim_buf_get_lines(0, line - 1, line, true)[1]
				:sub(col, col)
				:match('%s') == nil;
		end

		cmp.setup({
			enabled = true,
			completion = {
				autocomplete = cmp_defaults.completion.autocomplete,
				get_trigger_characters = cmp_defaults.completion.get_trigger_characters,
				keyword_length = cmp_defaults.completion.keyword_length,
				keyword_pattern = cmp_defaults.completion.keyword_pattern,
				completeopt = 'menu,menuone,noinsert,noselect',
			},
			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(cmp.mapping.complete(), { 'i', 'c' }),
				['<CR>'] = cmp.mapping.confirm({ select = true }),
				['<Tab>'] = cmp.mapping(function(fallback)
					if cmp.visible() then
						cmp.select_next_item({
							behavior = cmp.SelectBehavior.Insert,
						});
					elseif luasnip.expand_or_locally_jumpable() then
						luasnip.expand_or_jump();
					elseif has_words_before() then
						cmp.complete();
					else
						fallback();
					end
				end, { 'i', 's' }),
				['<S-Tab>'] = cmp.mapping(function(fallback)
					if cmp.visible() then
						cmp.select_prev_item({
							behavior = cmp.SelectBehavior.Insert,
						});
					elseif luasnip.jumpable(-1) then
						luasnip.expand_or_jump(-1);
					else
						fallback();
					end
				end, { 'i', 's' }),
			}),
			sources = cmp.config.sources({
				{ name = 'luasnip' },
				{ name = 'nvim_lsp' },
			}, {
				{ name = 'buffer' },
			}),
			experimental = {
				ghost_text = {
					hl_group = 'CmpGhostText',
				},
			},
			formatting = {
				format = lspkind.cmp_format({
					mode = 'symbol_text',
					menu = ({
						buffer = '[Buffer]',
						nvim_lsp = '[LSP]',
						luasnip = '[LuaSnip]'
					}),
				}),
				fields = cmp_defaults.formatting.fields,
				expandable_indicator = cmp_defaults.formatting.expandable_indicator,
			},
			view = {
				entries = { name = 'custom', selection_order = 'near_cursor' },
				docs = cmp_defaults.view.docs,
			},
			sorting = cmp_defaults.sorting,
			performance = cmp_defaults.performance,
			preselect = cmp_defaults.preselect,
			confirmation = cmp_defaults.confirmation,
			matching = cmp_defaults.matching,
			revision = cmp_defaults.revision,
		});
	end,
} };