add vim.validate on user spec

lua/cp/config.lua

@@ -14,9 +14,15 @@ M.defaults = {
 		codeforces = {
 			cpp_version = 23,
 		},
-		cses = {},
+		cses = {
+			cpp_version = 20,
+		},
 	},
 	snippets = {},
+	hooks = {
+		before_run = nil,
+		before_debug = nil,
+	},
 }
 
 local function extend_contest_config(base_config, contest_config)
@@ -30,6 +36,25 @@ local function extend_contest_config(base_config, contest_config)
 end
 
 function M.setup(user_config)
+	vim.validate({
+		user_config = { user_config, { "table", "nil" }, true },
+	})
+
+	if user_config then
+		vim.validate({
+			contests = { user_config.contests, { "table", "nil" }, true },
+			snippets = { user_config.snippets, { "table", "nil" }, true },
+			hooks = { user_config.hooks, { "table", "nil" }, true },
+		})
+
+		if user_config.hooks then
+			vim.validate({
+				before_run = { user_config.hooks.before_run, { "function", "nil" }, true },
+				before_debug = { user_config.hooks.before_debug, { "function", "nil" }, true },
+			})
+		end
+	end
+
 	local config = vim.tbl_deep_extend("force", M.defaults, user_config or {})
 
 	local default_contest = config.contests.default

lua/cp/init.lua

@@ -161,9 +161,8 @@ local function run_problem()
 		return
 	end
 
-	local has_lsp, lsp = pcall(require, "lsp")
-	if has_lsp and lsp.lsp_format then
-		lsp.lsp_format({ async = true })
+	if config.hooks and config.hooks.before_run then
+		config.hooks.before_run(problem_id)
 	end
 
 	if not vim.g.cp_contest then
@@ -185,9 +184,8 @@ local function debug_problem()
 		return
 	end
 
-	local has_lsp, lsp = pcall(require, "lsp")
-	if has_lsp and lsp.lsp_format then
-		lsp.lsp_format({ async = true })
+	if config.hooks and config.hooks.before_debug then
+		config.hooks.before_debug(problem_id)
 	end
 
 	if not vim.g.cp_contest then
@@ -246,9 +244,6 @@ function M.setup(user_config)
 
 	config = config_module.setup(user_config)
 
-	local plugin_path = get_plugin_path()
-	config.snippets.path = plugin_path .. "/templates/snippets"
-
 	snippets.setup(config)
 
 	if initialized then

lua/cp/scrape.lua

@@ -13,7 +13,7 @@ function M.scrape_problem(contest, problem_id, problem_letter)
 	ensure_io_directory()
 
 	local plugin_path = get_plugin_path()
-	local scraper_path = plugin_path .. "/templates/scrapers/" .. contest .. ".py"
+	local scraper_path = plugin_path .. "/scrapers/" .. contest .. ".py"
 
 	local args
 	if contest == "cses" then