-- Cookies Recipe :

if not rawget(_G,"data") then
	data = {}
end

data.oven = minetest.get_worldpath().."/cookies"
data.cookies = {}

-- cookie_baker priv to create cookie
minetest.register_privilege("baker","Is able to bake CooKies and give them to anybody else")

-- Loading cookies from oven
pntf = io.open(data.oven,"r")
if pntf == nil then
    pntf = io.open(data.oven,"w")
else
	repeat
		local line = pntf:read()
		if line == nil or line == "" then break end
		data.cookies[line:split(" ")[1]] = line:split(" ")[2]+0
	until 1 == 0 -- Ok, not the best way to create a loop..
end
io.close(pntf)
minetest.log("action","[FailPoints] CooKies baked")

-- Global callbacks
minetest.register_on_shutdown(function()
    -- Stocking CooKies
    pntf = io.open(data.oven,"w")
    for i,v in pairs(data.cookies) do
		if v ~= 0 then
			pntf:write(i.." "..v.."\n")
		end
    end
    io.close(pntf)
end)

minetest.register_chatcommand("cookie", {
	params = "<subcommand> <subcommandparam> | <playername>",
	description = "CooKie baking command",
	privs = {shout = true},
	func = function(name, parameters)
		local paramlist = parameters:split(" ")
		local param = paramlist[1]
		local param2 = paramlist[2]
		if param == "help" or param == nil then
			minetest.chat_send_player(name,"CooKie recipe's help :")
			minetest.chat_send_player(name,"/cookie <subcommand> | <playername>")
			minetest.chat_send_player(name,"Available subcommands :")
			minetest.chat_send_player(name,"  - help : show this help")
			minetest.chat_send_player(name,"  - view | view <playername> : View player's CooKies amount")
			return
		elseif param == "settings" then
			if not minetest.get_player_privs(name)["server"] then
				minetest.chat_send_player(name,"You're not allowed to perform this command. (Missing privilege : server)")
				return
			end

			minetest.chat_send_player(name,"=== CK_DEBUG_LINES SENT ===")
			print("=== CK_DEBUG_LINES ===")
			local send_admin = function(msg)
				minetest.chat_send_player(name,msg)
			end

			send_admin("CK File")
			if pntf ~= nil then
				send_admin("Found")
			else
				send_admin("Missing!")
			end
			table.foreach(data,print)

			return
		elseif param == "view" then
			if param2 == "" or param2 == nil then
				local owncookies = 0
				if data.cookies[name] then
					owncookies = data.cookies[name]
				end
				minetest.chat_send_player(name,"-CK- You own "..owncookies.." CooKies.")
				return true
			end

			if data.cookies[param2] ~= nil and data.cookies[param2] > 0 then
				minetest.chat_send_player(name,"-CK- Player "..param2.." owns "..data.cookies[param2].." CooKies.")
			else
				minetest.chat_send_player(name,"-CK- Player "..param2.." doesn't seem to own any CooKie.")
			end
		else

			-- If not any known command
			if name == param then
				if minetest.get_player_privs(name)["baker"] == true then
					minetest.log("error",name.." tried to create a CooKie by giving to himself")
					minetest.chat_send_player(name,"-CK- Congratulation, you failed. Don't try to cook for yourself, don't be selfish :p")
				else
					minetest.log("action",name.."cooked himself a CooKie")
					data.send_func(name,"-CK- You failed: It appears the name you entered is yours")
					data.send_func(name,"Don't try to cook yourself CooKies, share them :p")
				end
				return false
			end

			if param == "" then
				minetest.chat_send_player(name,"-CK- You failed: Not enough parameters given, type /cookie help for help")
				return false
			end

			if not data.is_player_available(param) then
				minetest.chat_send_player(name,"-CK- You failed: Sorry, "..param.." isn't online.")
				return false
			end

			-- Take, or not, cookies from name's account to give them to param
			if minetest.get_player_privs(name)["baker"] ~= true then
				if data.cookies[name] == nil or data.failpoints[name] == 0 then
					minetest.chat_send_player(name,"You failed: You don't have enough CooKies.. Cook some!")
					return false
				elseif data.cookies[name] > 0 then
					data.cookies[name] = data.cookies[name] -1
				end
			else
				minetest.log("action","[FailPoints] "..name.." has baked a CooKie.")
			end

			-- Give/Add the CooKie to param' account
			if data.cookies[param] == nil then
				data.cookies[param] = 1
			else
				data.cookies[param] = data.cookies[param]+1
			end

			minetest.log("action","[FailPoints] "..name.." has given a CooKie to "..param)
			minetest.log("action","[FailPoints] "..param.." now own "..data.cookies[param].."CKs")
			minetest.log("action","[FailPoints] "..name.." now own "..(data.cookies[name] or 0).."CKs")
			minetest.sound_play({
				name = "cookie",
				to_player = param,
				gain = 0.1
			})
			local message_reason = "."
			if param2 ~= nil then
				local m_table = paramlist
				table.remove(m_table,1)
				message_reason = " because "
				for _,k in ipairs(m_table) do
					message_reason = message_reason..k.." "
				end
			end
			data.send_func(param,"Congratulations "..param..", you get a CooKie" .. message_reason)
			minetest.chat_send_player(name,"CooKie sent.")
		end
	end
})