--Minetest
--Copyright (C) 2013 sapier
--
--This program is free software; you can redistribute it and/or modify
--it under the terms of the GNU Lesser General Public License as published by
--the Free Software Foundation; either version 2.1 of the License, or
--(at your option) any later version.
--
--This program is distributed in the hope that it will be useful,
--but WITHOUT ANY WARRANTY; without even the implied warranty of
--MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
--GNU Lesser General Public License for more details.
--
--You should have received a copy of the GNU Lesser General Public License along
--with this program; if not, write to the Free Software Foundation, Inc.,
--51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.

--------------------------------------------------------------------------------

local enabled_all = false

local function modname_valid(name)
	return not name:find("[^a-z0-9_]")
end

local function get_formspec(data)
	local mod = data.list:get_list()[data.selected_mod] or {name = ""}

	local retval =
		"size[11.5,7.5,true]" ..
		"label[0.5,0;" .. fgettext("World:") .. "]" ..
		"label[1.75,0;" .. data.worldspec.name .. "]"

	if mod.is_modpack or mod.type == "game" then
		local info = minetest.formspec_escape(
			core.get_content_info(mod.path).description)
		if info == "" then
			if mod.is_modpack then
				info = fgettext("No modpack description provided.")
			else
				info = fgettext("No game description provided.")
			end
		end
		retval = retval ..
			"textarea[0.25,0.7;5.75,7.2;;" .. info .. ";]"
	else
		local hard_deps, soft_deps = pkgmgr.get_dependencies(mod.path)
		local hard_deps_str = table.concat(hard_deps, ",")
		local soft_deps_str = table.concat(soft_deps, ",")

		retval = retval ..
			"label[0,0.7;" .. fgettext("Mod:") .. "]" ..
			"label[0.75,0.7;" .. mod.name .. "]"

		if hard_deps_str == "" then
			if soft_deps_str == "" then
				retval = retval ..
					"label[0,1.25;" ..
					fgettext("No (optional) dependencies") .. "]"
			else
				retval = retval ..
					"label[0,1.25;" .. fgettext("No hard dependencies") ..
					"]" ..
					"label[0,1.75;" .. fgettext("Optional dependencies:") ..
					"]" ..
					"textlist[0,2.25;5,4;world_config_optdepends;" ..
					soft_deps_str .. ";0]"
			end
		else
			if soft_deps_str == "" then
				retval = retval ..
					"label[0,1.25;" .. fgettext("Dependencies:") .. "]" ..
					"textlist[0,1.75;5,4;world_config_depends;" ..
					hard_deps_str .. ";0]" ..
					"label[0,6;" .. fgettext("No optional dependencies") .. "]"
			else
				retval = retval ..
					"label[0,1.25;" .. fgettext("Dependencies:") .. "]" ..
					"textlist[0,1.75;5,2.125;world_config_depends;" ..
					hard_deps_str .. ";0]" ..
					"label[0,3.9;" .. fgettext("Optional dependencies:") ..
					"]" ..
					"textlist[0,4.375;5,1.8;world_config_optdepends;" ..
					soft_deps_str .. ";0]"
			end
		end
	end
	retval = retval ..
		"button[3.25,7;2.5,0.5;btn_config_world_save;" ..
		fgettext("Save") .. "]" ..
		"button[5.75,7;2.5,0.5;btn_config_world_cancel;" ..
		fgettext("Cancel") .. "]"

	if mod.name ~= "" and not mod.is_game_content then
		if mod.is_modpack then

			if pkgmgr.is_modpack_entirely_enabled(data, mod.name) then
				retval = retval ..
					"button[5.5,0.125;3,0.5;btn_mp_disable;" ..
					fgettext("Disable modpack") .. "]"
			else
				retval = retval ..
					"button[5.5,0.125;3,0.5;btn_mp_enable;" ..
					fgettext("Enable modpack") .. "]"
			end
		else
			retval = retval ..
				"checkbox[5.5,-0.125;cb_mod_enable;" .. fgettext("enabled") ..
				";" .. tostring(mod.enabled) .. "]"
		end
	end
	if enabled_all then