startup.lua

-- Override the terminate event
local oldPullEvent = os.pullEvent
os.pullEvent = os.pullEventRaw

base_url = "http://pause.moddednetwork.net/"
local get_command_url = base_url .. "api/LOOK_OVER_HERE"
local cc_id = os.getComputerLabel()

assistant_name = "core"

-- lib
function Split(s, delimiter)
  result = {};
  for match in (s..delimiter):gmatch("(.-)"..delimiter) do
      table.insert(result, match);
  end
  return result;
end

local TIMEOUT_SECONDS = 2 -- Adjust this to the desired timeout duration

function get_files_from_server()
  local function downloadFiles()
    repeat res = http.get(base_url .. "api/coreFileNames", {["Content-Type"] = "application/json"})
    local response = http.post(get_command_url, textutils.serializeJSON({ id = tostring(cc_id), message = "Attempt to connect to API..." }), { ["Content-Type"] = "application/json" })
    until res
    dl_files = res.readAll()
    dl_files = dl_files:sub(2, #dl_files - 1):gsub("\"", "")
    res.close()
    --print(dl_files)

    term.write("autoupdate...")
    for _, name in pairs(Split(dl_files, ",")) do
      local res = http.get(base_url .. assistant_name .. "/" .. name)
      local response = http.post(get_command_url, textutils.serializeJSON({ id = tostring(cc_id), message = "Attempt to obtain file... " .. name }), { ["Content-Type"] = "application/json" })
      if not res then
      local response = http.post(get_command_url, textutils.serializeJSON({ id = tostring(cc_id), message = "Error on file request" }), { ["Content-Type"] = "application/json" })
        print("Error on GET " .. base_url .. assistant_name .. "/" .. name)

      else
        local f = fs.open(name, "w")
        f.write(res.readAll())
        f.close()
        if name == "startup" then
          fs.makeDir("backup")
          fs.delete("backup/startup")
          fs.copy("startup", "backup/startup")
        end
        res.close()
      end
    end
    term.write("complete\n")
    local response = http.post(get_command_url, textutils.serializeJSON({ id = tostring(cc_id), message = "Attempt to obtain files... COMPLETE?" }), { ["Content-Type"] = "application/json" })
  end

local function downloadAPI()
    -- Attempt to connect to the API (First API request)
    local res_api = nil
    repeat
        res_api = http.get(base_url .. "api/api", {["Content-Type"] = "application/json"})
        local response = http.post(get_command_url, textutils.serializeJSON({ id = tostring(cc_id), message = "Attempt to connect to API..." }), { ["Content-Type"] = "application/json" })
    until res_api -- Continue retrying until we successfully get a response

    -- Try to download the Lua file (Second request)
    local res_api_lua = http.get(base_url .. "api/api.lua")
    local response = http.post(get_command_url, textutils.serializeJSON({ id = tostring(cc_id), message = "Attempt to obtain api.lua file..." }), { ["Content-Type"] = "application/json" })

    -- Handle errors if the Lua file download fails
    if not res_api_lua then
        local response = http.post(get_command_url, textutils.serializeJSON({ id = tostring(cc_id), message = "Error on file request for api.lua" }), { ["Content-Type"] = "application/json" })
        print("Error on GET " .. base_url .. "api/api.lua")
    else
        -- Successfully received the Lua file, save it locally
        local f = fs.open("api.lua", "w")
        f.write(res_api_lua.readAll())
        f.close()
        print("Successfully downloaded api.lua")
    end

    -- Close both response objects
    if res_api then res_api.close() end
    if res_api_lua then res_api_lua.close() end
end


  local function timeoutTimer()
    sleep(TIMEOUT_SECONDS) -- Wait for the timeout duration
  end

  if parallel.waitForAny(downloadFiles, downloadAPI, timeoutTimer) == 2 then
    -- If the timeoutTimer finishes first, we know the downloadFiles function took too long.
    print("Operation timed out. Moving on...")
  end
end

-- autoupdate
get_files_from_server()
sleep(0.5)
shell.run("main.lua")