-- Rules slide from agreerules

rules = {}
function rules.show(player)
	local msgs = {
		"Welcome to Capture the Flag!",
		"Developed and hosted by rubenwardy.",
		"Moderators: Kpenguin, Thomas-S, Dragonop,",
		"            stormchaser3000, Calinou.",
		"    tip: use /vote to skip to the next round",
		",By playing on this server you agree to these rules:",
		"1. Be nice. eg: No (excessive or bad) swearing",
		"2. No dating.",
		"3. Don't be a cheater. No hacked clients.",
		"4. Don't be a traitor. Don't:",
		"    a. Dig blocks in your base to make it less secure or",
		"       to trap team mates on purpuse.",
		"    b. Help the other team.",
		"5. Don't impersonate other community members",
		"Failure to follow these rules may result in a kick or ban",
		"     (temp or permanent) depending on severity."}

	local fs = ""
	for _, line in pairs(msgs) do
		if fs ~= "" then
			fs = fs .. ","
		end
		fs = fs .. minetest.formspec_escape(line)
	end


	fs = "size[8,8]textlist[0.1,0.1;7.8,6;msg;" .. fs .. "]"
	if minetest.check_player_privs(player:get_player_name(), { interact = true }) then
		fs = fs .. "button_exit[0.5,6;7,2;yes;Okay]"
	else
		local yes = minetest.formspec_escape("Yes, let me play!")
		local no = minetest.formspec_escape("No, get me out of here!")

		fs = fs .. "button_exit[0.5,6;3.5,2;no;" .. no .. "]"
		fs = fs .. "button_exit[4,6;3.5,2;yes;" .. yes .. "]"
	end

	minetest.show_formspec(player:get_player_name(), "rules:rules", fs)
end

minetest.register_chatcommand("rules", {
	func = function(name, param)
		if param ~= "" and
				minetest.check_player_privs(name, { kick = true }) then
			name = param
		end

		local player = minetest.get_player_by_name(name)
		if player then
			rules.show(player)
			return true, "Rules shown."
		else
			return false, "Player " .. name .. " does not exist or is not online"
		end
	end
})

minetest.register_on_joinplayer(function(player)
	if not minetest.check_player_privs(player:get_player_name(), { interact = true }) then
		rules.show(player)
	end
end)

minetest.register_on_player_receive_fields(function(player, form, fields)
	if form ~= "rules:rules" then
		return
	end

	local name = player:get_player_name()
	if minetest.check_player_privs(name, { interact = true }) then
		return true
	end

	if fields.msg then
		return true
	elseif not fields.yes or fields.no then
		minetest.kick_player(name,
			"You need to agree to the rules to play on this server. " ..
			"Please rejoin and confirm another time.")
		return true
	end

	local privs = minetest.get_player_privs(name)
	privs.shout = true
	privs.interact = true
	minetest.set_player_privs(name, privs)

	minetest.chat_send_player(name, "Welcome "..name.."! You have now permission to play!")

	return true
end)