-- ### CONFIG ###
-- message send to player by script "type" (types you can check in "global.lua")
SHOP_MSG_TYPE = 19
-- time (in seconds) between connections to SQL database by shop script
SQL_interval = 30
-- ### END OF CONFIG ###
SQL_COMUNICATION_INTERVAL = SQL_interval * 1000
function onLogin(cid)
	if(InitShopComunication == 0) then
		local eventServ = addEvent(sql_communication, SQL_COMUNICATION_INTERVAL, {})
		InitShopComunication = eventServ
	end
	registerCreatureEvent(cid, "PlayerDeath")
	return TRUE
end

function sql_communication(parameters)
	dofile("./config.lua")
	env = assert(luasql.mysql())
	con = assert(env:connect(mysqlDatabase, mysqlUser, mysqlPass, mysqlHost, mysqlPort))
	result_plr = assert(con:execute("SELECT * FROM z_ots_comunication WHERE `type` = 'login';"))
	todo = result_plr:fetch({}, "a")
	while todo do
		id = tonumber(todo.id)
		action = tostring(todo.action)
		delete = tonumber(todo.delete_it)
		cid = getPlayerByName(tostring(todo.name))
		if isPlayer(cid) == TRUE then
			local itemtogive_id = tonumber(todo.param1)
			local itemtogive_count = tonumber(todo.param2)
			local container_id = tonumber(todo.param3)
			local container_count = tonumber(todo.param4)
			local add_item_type = tostring(todo.param5)
			local add_item_name = tostring(todo.param6)
			local received_item = 0
			local full_weight = 0
			if add_item_type == 'container' then
				container_weight = getItemWeight(container_id, 1)
				if isItemRune(itemtogive_id) == TRUE then
					items_weight = container_count * getItemWeight(itemtogive_id, 1)
				else
					items_weight = container_count * getItemWeight(itemtogive_id, itemtogive_count)
				end
				full_weight = items_weight + container_weight
			else
				full_weight = getItemWeight(itemtogive_id, itemtogive_count)
				if isItemRune(itemtogive_id) == TRUE then
					full_weight = getItemWeight(itemtogive_id, 1)
				else
					full_weight = getItemWeight(itemtogive_id, itemtogive_count)
				end
			end
			local free_cap = getPlayerFreeCap(cid)
			if full_weight <= free_cap then
				if add_item_type == 'container' then
					local new_container = doCreateItemEx(container_id, 1)
					local iter = 0
					while iter ~= container_count do
						doAddContainerItem(new_container, itemtogive_id, itemtogive_count)
						iter = iter + 1
					end
					received_item = doPlayerAddItemEx(cid, new_container)
				else
					local new_item = doCreateItemEx(itemtogive_id, itemtogive_count)
					received_item = doPlayerAddItemEx(cid, new_item)
				end
				if received_item == RETURNVALUE_NOERROR then
					doPlayerSendTextMessage(cid, SHOP_MSG_TYPE, 'You received >> '.. add_item_name ..' << from OTS shop.')
					delete = assert(con:execute("DELETE FROM `z_ots_comunication` WHERE `id` = " .. id .. ";"))
					assert(con:execute("UPDATE `z_shop_history_item` SET `trans_state`='realized', `trans_real`=" .. os.time() .. " WHERE id = " .. id .. ";"))
				else
					doPlayerSendTextMessage(cid, SHOP_MSG_TYPE, '>> '.. add_item_name ..' << from OTS shop is waiting for you. Please make place for this item in your backpack/hands and wait about '.. SQL_interval ..' seconds to get it.')
				end
			else
				doPlayerSendTextMessage(cid, SHOP_MSG_TYPE, '>> '.. add_item_name ..' << from OTS shop is waiting for you. It weight is '.. full_weight ..' oz., you have only '.. free_cap ..' oz. free capacity. Put some items in depot and wait about '.. SQL_interval ..' seconds to get it.')
			end
		end
		todo = result_plr:fetch (todo, "a")
	end
	con:close()
	env:close()
	local eventServ = addEvent(sql_communication, SQL_COMUNICATION_INTERVAL, parameters)
end