local cmp = require("cmp")

cmp.setup({
	snippet = {
		expand = function(args)
			require('luasnip').lsp_expand(args.body) -- For `luasnip` users.
		end,
	},
	formatting = {
		format = function(entry, vim_item)
			-- Ensure word is a string to prevent matcher errors
			if vim_item.word and type(vim_item.word) ~= "string" then
				vim_item.word = tostring(vim_item.word)
			end
			return vim_item
		end,
	},
	-- completion = {
	-- 	completeopt = 'menu,menuone,noinsert',
	-- },
	completion = {
		completeopt = 'menu,menuone,noinsert',
	},
	performance = {
		max_view_entries = 10,
	},
	window = {
		completion = cmp.config.window.bordered({
			-- winhighlight = "Normal:Pmenu,FloatBorder:Pmenu,Search:None",
			col_offset = -3,
			side_padding = 0,
		}),
		documentation = cmp.config.window.bordered(),
	},
	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(),
		["<CR>"] = cmp.mapping.confirm({ select = false }), -- Accept currently selected item. Set `select` to `false` to only confirm explicitly selected items.
		["<C-Tab>"] = cmp.mapping(function(fallback)
			if cmp.visible() then
				cmp.select_next_item()
			else
				fallback()
			end
		end, { "i", "s" }),

		["<S-Tab>"] = cmp.mapping(function(fallback)
			if cmp.visible() then
				cmp.select_prev_item()
			else
				fallback()
			end
		end, { "i", "s" }),
	}),
	sources = cmp.config.sources({
		{ name = "nvim_lua" },
		-- { name = "copilot",  group_index = 3 },
		{ name = "nvim_lsp", group_index = 1 },
		{ name = "path",     group_index = 3 },
		{ name = "luasnip",  group_index = 2 },
		{ name = "buffer" },
		{ name = "calc" },
		{ name = 'orgmode' },
		-- { name = 'vsnip' }, -- For vsnip users.
		-- { name = 'luasnip' }, -- For luasnip users.
		-- { name = 'ultisnips' }, -- For ultisnips users.
		-- { name = 'snippy' }, -- For snippy users.
		{ name = "crates" },
		-- { name = 'cmdline' },
		-- { name = 'neorg' },
	}),
})

-- Set configuration for specific filetype.
cmp.setup.filetype("gitcommit", {
	sources = cmp.config.sources({
		{ name = "cmp_git" }, -- You can specify the `cmp_git` source if you were installed it.
	}, {
		{ name = "buffer" },
	}),
})

-- 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" },
		{ name = "cmdline" },
	},
})

-- 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" },
	}),
})

-- LSP server configurations moved to lsp.lua to avoid duplicates
-- local capabilities = require("cmp_nvim_lsp").default_capabilities()
-- require("lspconfig").clangd.setup({
-- 	capabilities = capabilities,
-- })
-- require("lspconfig").taplo.setup({
-- 	capabilities = capabilities,
-- })
-- require("lspconfig").marksman.setup({
-- 	capabilities = capabilities,
-- })
-- require("lspconfig").lua_ls.setup({
-- 	capabilities = capabilities,
-- })
-- require("lspconfig").rust_analyzer.setup({
-- 	capabilities = capabilities,
-- })
-- require("lspconfig").zls.setup({
-- 	capabilities = capabilities,
-- })
-- require("lspconfig").gopls.setup({
-- 	capabilities = capabilities,
-- 	settings = {
-- 		gopls = {
-- 			analyses = {
-- 				unusedparams = true,
-- 				unusedwrite = true,
-- 				shadow = true,
-- 			},
-- 			staticcheck = true,
-- 			usePlaceholders = true,
-- 			hints = {
-- 				assignVariableTypes = true,
-- 				compositeLiteralFields = true,
-- 				compositeLiteralTypes = true,
-- 				functionTypeParameters = true,
-- 				parameterNames = true,
-- 				rangeVariableTypes = true,
-- 			},
-- 		},
-- 	},
-- })
-- require("lspconfig").pyright.setup({
-- 	capabilities = capabilities,
-- })
-- require("lspconfig").nim_langserver.setup({
-- 	capabilities = capabilities,
-- })