dotfiles/nvim/lua/user/plugins/editor/autocomplete.lua

return {
	"hrsh7th/nvim-cmp",
	version = false,
	event = "InsertEnter",
	dependencies = {
		"hrsh7th/cmp-buffer", -- autocomplete from buffer
		"hrsh7th/cmp-path", -- autocomplete from filesystem
        "f3fora/cmp-spell",
	},
	opts = function()
		local cmp = require("cmp")
		local utils = require("user.utils.cmp")
        local format = require("user.utils.cmp_format")
		-- local lspkind = require("user.utils.lspkind")
		local icons = require("user.icons")

		local selectPrev = utils.selectPrev({ behavior = cmp.SelectBehavior.Insert })
		local selectNext = utils.selectNext({ behavior = cmp.SelectBehavior.Insert })

		return {
			preselect = false,
			completion = {
				completeopt = "menu,menuone,longest,popup",
			},
			view = {
				entries = { name = "custom", selection_order = "near_cursor" },
			},
			window = {
				documentation = {
					border = { "", "", "", "", "", "", "", " " },
				},
				completion = {
					scrolloff = 4,
				},
			},
			mapping = {
				["<Up>"] = selectPrev,
				["<S-Tab>"] = selectPrev,
				["<Down>"] = selectNext,
				["<Tab>"] = selectNext,
				["<C-c>"] = cmp.mapping.abort(),
				["<CR>"] = utils.confirm({ behavior = cmp.ConfirmBehavior.Replace, select = true }),
			},
			-- snippet = {
			-- 	expand = function(args)
			-- 		require("luasnip").lsp_expand(args.body)
			-- 	end,
			-- },
			formatting = {
				fields = { "abbr", "kind", "menu" },
				format = format({
					symbol_map = icons.symbols,
                    widths = {
                        menu = 0,
                    }
				}),
			},
			sources = {
				{ name = "nvim_lsp" },
                { name = 'nvim_lsp_signature_help' },
				{ name = "luasnip" },
				{ name = "buffer" },
				{ name = "path" },
				{
					name = "spell",
                    keyword_length = 3,
					option = {
						keep_all_entries = false,
						enable_in_context = function()
							return true
						end,
						preselect_correct_word = true,
					},
				},
			},
			-- experimental = {
			-- 	ghost_text = {
			-- 		hl_group = "NonText",
			-- 	},
			-- },
		}
	end,
	config = function(_, opts)
		local cmp = require("cmp")
		cmp.setup(opts)

		-- insert () on function completion using autopairs
		local has_autopair, autopair = pcall(require, "nvim-autopairs.completion.cmp")
		if has_autopair then
			cmp.event:on("confirm_done", autopair.on_confirm_done())
		end
	end,
}