-- If you are starting out with Haskell, nvim-lspconfig.hls is probably enough for you.
-- It provides the lowest common denominator of LSP support.
-- This plugin is for those who would like additional features
-- that are specific to Haskell tooling.
-- https://github.com/MrcJkb/haskell-tools.nvim
return {
	"haskell-tools.nvim",
	lazy = false,
	after = function()
		-- This is a filetype plugin that works out of the box,
		-- so there is no need to call a setup function or configure anything
		-- to get this plugin working.
		vim.g.haskell_tools = {
			tools = {
				hover = {
					enable = true,
				},
			},
			hls = {
				cmd = { "haskell-language-server-wrapper", "--lsp" },
				enable = false,
				filetypes = { "haskell", "lhaskell" },
				on_attach = function(client, bufnr)
					local ht = require("haskell-tools")
					local opts = { noremap = true, silent = true, buffer = bufnr }
					vim.keymap.set("n", "<localleader>cl", vim.lsp.codelens.run, opts)
					vim.keymap.set("n", "<localleader>hs", ht.hoogle.hoogle_signature, opts)
					vim.keymap.set("n", "<localleader>ea", ht.lsp.buf_eval_all, opts)
					vim.keymap.set("n", "<localleader>rr", ht.repl.toggle, opts)
					vim.keymap.set("n", "<localleader>rf", function()
						ht.repl.toggle(vim.api.nvim_buf_get_name(0))
					end, opts)
					vim.keymap.set("n", "<localleader>rq", ht.repl.quit, opts)
				end,
				root_dir = function(bufnr, on_dir)
					local fname = vim.api.nvim_buf_get_name(bufnr)
					on_dir(
						util.root_pattern("hie.yaml", "stack.yaml", "cabal.project", "*.cabal", "package.yaml")(fname)
					)
				end,
				settings = { haskell = { cabalFormattingProvider = "cabalfmt", formattingProvider = "fourmolu" } },
			},
		}
	end,
}