local fs = require "lfs"
local http = require "http"
local json = require "json"
local telegram = require "telegram"
local yaml = require "yaml"

function restore()
  local fin = io.open("var/data.json", "r")
  local data, err = json.decode(fin:read("*a"))
  if err ~= nil then
    print("cannot load data: " .. err)
    return
  end

  vars = data
end

function save()
  local fout = io.open("var/data.json", "w")
  local data = json.encode(vars)
  fout:write(data)
  fout:write("\n")
  fout:close()
end

function main()
  restore()

  if vars == nil then
    vars = {}
  end

  if vars.lastowotime == nil then
    vars.lastowotime = 0
  end

  if vars.tolearnfrom == nil then
    vars.tolearnfrom = {} -- array of id's of people
  end

  while true do
    local update = tgupdates:receive()

    if update ~= nil and update.message ~= nil then
      local chatid = update.message.chat.ID
      local userid = tostring(update.message.from.ID)
      local text = update.message.text

      if string.find(string.lower(text), "notices") and math.random(100) % 15 == 0 then
        if vars.lastowotime + 600 < os.time() then
          local msg = telegram.newMessage(chatid, "owo what's this?")
          tg:send(msg)

          vars.lastowotime = os.time()
        end
      end
    end
  save()
  end
end