local opts = { noremap=true, silent=true }
vim.keymap.set('n', '<space>e', vim.diagnostic.open_float, opts)
vim.keymap.set('n', '[d', vim.diagnostic.goto_prev, opts)
vim.keymap.set('n', ']d', vim.diagnostic.goto_next, opts)
vim.keymap.set('n', '<space>q', vim.diagnostic.setloclist, opts)

-- Use an on_attach function to only map the following keys
-- after the language server attaches to the current buffer
local on_attach = function(client, bufnr)
  -- Enable completion triggered by <c-x><c-o>
  vim.api.nvim_buf_set_option(bufnr, 'omnifunc', 'v:lua.vim.lsp.omnifunc')

	-- Mappings.
	-- See `:help vim.lsp.*` for documentation on any of the below functions
	local bufopts = { noremap=true, silent=true, buffer=bufnr }
	vim.keymap.set('n', 'gD', vim.lsp.buf.declaration, bufopts)
	vim.keymap.set('n', 'gd', vim.lsp.buf.definition, bufopts)
	vim.keymap.set('n', 'K', vim.lsp.buf.hover, bufopts)
	vim.keymap.set('n', 'gi', vim.lsp.buf.implementation, bufopts)
	vim.keymap.set('n', '<C-k>', vim.lsp.buf.signature_help, bufopts)
	vim.keymap.set('n', '<space>wa', vim.lsp.buf.add_workspace_folder, bufopts)
	vim.keymap.set('n', '<space>wr', vim.lsp.buf.remove_workspace_folder, bufopts)
	vim.keymap.set('n', '<space>wl', function()
		print(vim.inspect(vim.lsp.buf.list_workspace_folders()))
	end, bufopts)
	vim.keymap.set('n', '<space>D', vim.lsp.buf.type_definition, bufopts)
	vim.keymap.set('n', '<space>rn', vim.lsp.buf.rename, bufopts)
	vim.keymap.set('n', '<space>ca', vim.lsp.buf.code_action, bufopts)
	vim.keymap.set('n', 'gr', vim.lsp.buf.references, bufopts)
	vim.keymap.set('n',  '<space>ge', function () vim.diagnostic.goto_next() end, bufopts)
	vim.keymap.set('n',  '<space>gE', function () vim.diagnostic.goto_prev() end, bufopts)
	vim.keymap.set('n', '<space>fo', function() vim.lsp.buf.format { async = true } end, bufopts)
	vim.api.nvim_create_autocmd('BufWritePre', {
		pattern = '<buffer>',
		callback =  function() vim.lsp.buf.format({ async = true }) end
	})
end

--local lsp = require "lspconfig"
--local coq = require "coq"
--
--lsp['hls'].setup{
--	on_attach = on_attach,
--	flags = lsp_flags,
--}
--
--lsp['rust_analyzer'].setup{}
--
--lsp.rust_analyzer.setup(
--	coq.lsp_ensure_capabilities{
--		on_attach = on_attach,
--		flags = lsp_flags,
--		-- Server-specific settings...
--		settings = {
--			["rust-analyzer"] = {}
--		}
--	}
--)
--
--lsp['texlab'].setup{
--	on_attach = on_attach,
--	flags = lsp_flags,
--}
--lsp['sumneko_lua'].setup{
--
--	 settings = {
--    Lua = {
--      runtime = {
--        -- Tell the language server which version of Lua you're using (most likely LuaJIT in the case of Neovim)
--        version = 'LuaJIT',
--      },
--      diagnostics = {
--        -- Get the language server to recognize the `vim` global
--        globals = {'vim'},
--      },
--      workspace = {
--        -- Make the server aware of Neovim runtime files
--        library = vim.api.nvim_get_runtime_file("", true),
--      },
--      -- Do not send telemetry data containing a randomized but unique identifier
--      telemetry = {
--        enable = false,
--      },
--    },
--  },
--}