-- local lsp = require('lsp-zero')

local lsp_zero = require("lsp-zero")
local cmp = require("cmp")
require("luasnip.loaders.from_vscode").lazy_load()

lsp_zero.preset("recommended")
lsp_zero.setup()
lsp_zero.on_attach(function(client_id, bufnr)
	lsp_zero.default_keymaps({ buffer = bufnr })
end)

require("mason").setup({})
require("mason-lspconfig").setup({
	ensure_installed = { "tsserver", "rust_analyzer" },
	handlers = {
		lsp_zero.default_setup,
	},
})

cmp.setup({
	snippet = {
		expand = function(args)
			require("luasnip").lsp_expand(args.body)
		end,
	},
	window = {},
	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 = true }), -- Accept currently selected item. Set `select` to `false` to only confirm explicitly selected items.
	}),
	sources = cmp.config.sources({
		{ name = "nvim_lsp" },
		{ name = "luasnip" },
	}, {
		{ name = "buffer" },
	}),
})

function PrintDiagnostics(opts, bufnr, line_nr, client_id)
	bufnr = bufnr or 0
	line_nr = line_nr or (vim.api.nvim_win_get_cursor(0)[1] - 1)
	opts = opts or { ["lnum"] = line_nr }

	local line_diagnostics = vim.diagnostic.get(bufnr, opts)
	if vim.tbl_isempty(line_diagnostics) then
		return
	end

	local diagnostic_message = ""
	for i, diagnostic in ipairs(line_diagnostics) do
		diagnostic_message = diagnostic_message .. string.format("%d: %s", i, diagnostic.message or "")
		print(diagnostic_message)
		if i ~= #line_diagnostics then
			diagnostic_message = diagnostic_message .. "\n"
		end
	end
	vim.api.nvim_echo({ { diagnostic_message, "Normal" } }, false, {})
end

vim.cmd([[ autocmd! CursorHold * lua PrintDiagnostics() ]])