--[[
    Helper Tool for setting the Replacer to new values when using
    mobile devices. Comes with a history.
    Copyright (C) 2022 Sokomine

    License: GPLv3.0
--]]

replacer_setter = {}
replacer_setter.history = {}

-- no idea which other modes other replacers may support...
replacer_setter.mode_descriptions = {
        "[ normal ] replace material, shape and orientation according to the stored pattern"
}
-- internal names for the above modes (will be stored in replacer.user_mode[ player_name ])
replacer_setter.mode_names = {"normal"} 
        
-- make sure all mode descriptions are properly escaped for the dropdown menu
for i, v in ipairs(replacer_setter.mode_descriptions) do
        replacer_setter.mode_descriptions[i] = minetest.formspec_escape(v)
end     

replacer_setter.user_mode = {}

dofile(minetest.get_modpath("replacer_setter").."/fs_history.lua");


minetest.register_tool("replacer_setter:setter",
{
    description = "Replacer Set Tool",
    groups = {}, 
    inventory_image = "default_sign_wall_wood.png^replacer_replacer.png",
    wield_image = "",
    wield_scale = {x=1,y=1,z=1},
    stack_max = 1, -- there is no reason to have more than one
    liquids_pointable = true, -- it is ok to painit in/with water

    node_placement_prediction = nil,

    on_use = function(itemstack, user, pointed_thing)
	if(not(user) or not(pointed_thing)) then
		return
	end
	local new_pattern = ""
	if(pointed_thing.type == "node") then
		local pos  = minetest.get_pointed_thing_position( pointed_thing, false )
		local node = minetest.get_node_or_nil( pos )
		new_pattern = "default:dirt 0 0";
		if( node ~= nil and node.name ) then
			-- there is very little point in storing the light value
			--new_pattern = node.name..' '..node.param1..' '..node.param2
			new_pattern = node.name..' 0 '..node.param2
		end
	end
	local pname = user:get_player_name()
	if(not(replacer_setter.history[pname])) then
		replacer_setter.history[pname] = {}
	end
	minetest.show_formspec(pname, "replacer:menu", replacer_setter.get_formspec(pname, new_pattern, user))
	return nil
    end,
})


minetest.register_craft({
        output = 'replacer_setter:setter',
        recipe = {
		{"replacer:replacer"},
	}
})