timer

os.loadAPI("button")
rednet.open("right")
m = peripheral.wrap("top")
local clockComputers = {}
local timerPaused = false
local minTime = 30
local secTime = 0

local min
local sec

function mainMenu()
  m.clear()
  button.label(11,1,"Welcome to WRENCHED!")
  button.setTable("Start Timer",startTimer,"",3,18,6,8)
  button.setTable("Pause Timer",pauseTimer,"",22,37,6,8)
  button.setTable("Reset Timer",resetTimer,"",3,18,12,14)
  button.setTable("Edit Timer" ,editTimer ,"",22,37,12,14)
  button.screen()
end

function startTimer()
  timerPaused = false
  button.flash("Start Timer")
  button.setButton("Pause Timer", false)
  runTimer()
end

function pauseTimer()
  button.toggleButton("Pause Timer")
  timerPaused = not timerPaused
  if not timerPaused then
    runTimer()
  end
end

function resetTimer()
  timerPaused = true
  button.toggleButton("Reset Timer")
  findClocks()
  button.setButton("Pause Timer", false)
  button.toggleButton("Reset Timer")
  min = minTime
  sec = secTime
  sendTime()
end

function editTimer()
  timerPaused = true
  button.toggleButton("Edit Timer")
  findClocks()
  button.setButton("Pause Timer", false)
  button.toggleButton("Edit Timer")
  min = read()
  sec = read()
  sendTime()
end

function findClocks()
  rednet.broadcast("IsClock")
  doneClocks = false

  while not doneClocks do
    local id,msg,dist = rednet.receive(0.25)
    if not id then
      doneClocks = true
    else
      print("Clock Found: "..id)
      clockComputers[#clockComputers+1] = id
    end
  end
end

function sendTime()
  local data = {}
  data["min"] = min
  data["sec"] = sec
  msg = textutils.serialize(data)
  --print("Sending: "..msg)
  for id = 1,#clockComputers do
    --print(id)
    rednet.send(clockComputers[id],msg)
  end
  button.label(10,3, "Time Remaining: "..string.format("%02d:%02d",min,sec))
end

function runTimer()
  while min >=0 do
    while sec >0 do
      --getClick()
      if not timerPaused then
        sec = sec - 1
      else
        break
      end
      sendTime()
      getClick()
    end
    --getClick()
    if not timerPaused then
      if min > 0 then
        min = min-1
        sec = 59
      end
    else
      break
    end
    sendTime()
    getClick()
  end
end

function getClick()
  local timerCode = 0
  timerCode = os.startTimer(1)
  local event,side,x,y
  repeat
    event,side,x,y = os.pullEvent()
  until side == timerCode or event == "monitor_touch"
  if event == "monitor_touch" then
    button.checkxy(x,y)
  end
end

mainMenu()
--findClocks()
resetTimer()
while true do
  getClick()
end
--runTimer()