local k={_VERSION="\049\046\048\054"}local V="\116\105\109\101\114\115"local E=.01 local D="\073\110\118\097\108\105\100 \116\105\109\101\114 \105\100\058 \037\115 \091\037\115\093"local l="\073\110\118\097\108\105\100 \116\105\109\101\114 \037\113\058 \099\097\108\108\098\097\099\107 \109\117\115\116 \098\101 \097 \102\117\110\099\116\105\111\110"local x="\073\110\118\097\108\105\100 \116\105\109\101\114 \037\113\058 \097\108\114\101\097\100\121 \114\101\103\105\115\116\101\114\101\100"function k.defaultErrorHandler(k)return k..("\n"..(debug.traceback().."\n"))end local function h()return UniqueString("\116\105\109\101\114")end local function O(k,V)print("\091\069\082\082\079\082\093 \084\105\109\101\114 "..(k.id.."\058"))print(V)end local A=(require("\112\108\046\099\108\097\115\115"))()function A._init(E,V)E.id=V.id or h()E.callback=V.callback E.args=V.args or{}E.realtime=V.realtime E.delay=V.delay or 0 E.onError=V.onError or k.defaultErrorHandler E.paused=V.paused E.at=(V.at or E:now())+E.delay assert(type(E.id)=="\115\116\114\105\110\103",D:format(E.id,type(E.id)))assert(type(E.callback)=="\102\117\110\099\116\105\111\110",l:format(E.id))E.callbackWrapper=function()return E.callback(unpack(E.args))end end function A.now(k)return k.realtime and Time()or GameRules:GetGameTime()end function k.Start(D,k)D.interval=k or E D.timers={};(GameRules:GetGameModeEntity()):SetThink("\116\104\105\110\107",D,V,D.interval)end function k.think(k)for V,E in pairs(k.timers)do k:processTimer(E)end return k.interval end function k.processTimer(V,k)if k.paused then return end if k.at>k:now()then return end local E=true local D,l=xpcall(k.callbackWrapper,k.onError)if not D then O(k,l)elseif type(l)=="\110\117\109\098\101\114"then k.at=k.at+l E=false end if E then V.timers[k.id]=nil end end function k.Create(V,k)local E=A(k)assert(V.timers[E.id]==nil,x:format(E.id))V.timers[E.id]=E return E.id end function k.setPaused(E,k,V)local D=E.timers[k]if D==nil then return nil end D.paused=V return k end function k.Pause(V,k)return V:setPaused(k,true)end function k.Unpause(V,k)return V:setPaused(k,false)end function k.Cancel(V,k)local E=V.timers[k]V.timers[k]=nil return E and k end function k.CancelAll(k)local V={}for E,D in pairs(k.timers)do k.timers[E]=nil table.insert(V,E)end return V end return k
--- Timers framework.
--
-- Original code: [https://github.com/bmddota/barebones](https://github.com/bmddota/barebones)
--
-- @module invokation.dota2.timers
-- @author bmddota (original author)
-- @author 13k (updates)
-- @license Apache License 2.0
-- @copyright bmddota
local M = { _VERSION = "1.06" }

local THINK_NAME = "timers"
local THINK_INTERVAL = 0.01

local ERRF_INVALID_TIMER_ID = "Invalid timer id: %s [%s]"
local ERRF_INVALID_TIMER_CALLBACK = "Invalid timer %q: callback must be a function"
local ERRF_INVALID_TIMER_ALREADY_REGISTERED = "Invalid timer %q: already registered"

--- Default error handler.
-- @tparam string msg Error message
-- @treturn string Error message and stack trace.
function M.defaultErrorHandler(msg)
  return msg .. "\n" .. debug.traceback() .. "\n"
end

local function generateUniqueId()
  return UniqueString("timer")
end

local function handleError(timer, err)
  print("[ERROR] Timer " .. timer.id .. ":")
  print(err)
end

local Timer = require("pl.class")()

function Timer:_init(options)
  self.id = options.id or generateUniqueId()
  self.callback = options.callback
  self.args = options.args or {}
  self.realtime = options.realtime
  self.delay = options.delay or 0
  self.onError = options.onError or M.defaultErrorHandler
  self.paused = options.paused
  self.at = (options.at or self:now()) + self.delay

  assert(type(self.id) == "string", ERRF_INVALID_TIMER_ID:format(self.id, type(self.id)))
  assert(type(self.callback) == "function", ERRF_INVALID_TIMER_CALLBACK:format(self.id))

  self.callbackWrapper = function()
    return self.callback(unpack(self.args))
  end
end

function Timer:now()
  return self.realtime and Time() or GameRules:GetGameTime()
end

--- Initializes timers.
--
-- Should be placed inside the custom game's `Activate` function.
--
-- @tparam[opt=0.01] float interval Timer processing interval
function M:Start(interval)
  self.interval = interval or THINK_INTERVAL
  self.timers = {}

  GameRules:GetGameModeEntity():SetThink("think", self, THINK_NAME, self.interval)
end

function M:think()
  for _, timer in pairs(self.timers) do
    self:processTimer(timer)
  end

  return self.interval
end

function M:processTimer(timer)
  if timer.paused then
    return
  end

  if timer.at > timer:now() then
    return
  end

  local removeTimer = true
  local success, result = xpcall(timer.callbackWrapper, timer.onError)

  if not success then
    handleError(timer, result)
  elseif type(result) == "number" then
    timer.at = timer.at + result
    removeTimer = false
  end

  if removeTimer then
    self.timers[timer.id] = nil
  end
end

--[[--
  Creates a timer with the given options.

  @usage
    -- Immediately calls `obj.fn(obj, 13)` (equivalent to `obj:fn(13)`),
    -- if `fn` returns a number, repeats at that interval
    Create({callback = obj.fn, args = {obj, 13}})

    -- 10 seconds delayed, run once using game time (respect pauses)
    Create({
      delay = 10.0,
      callback = function()
        print("Hello. I'm running 10 seconds after when I was started.")
      end
    })

    -- 10 second delayed, run once regardless of pauses
    Create({
      delay = 10.0,
      realtime = true,
      callback = function()
        print("Hello. I'm running 10 seconds after I was started even if someone paused the game.")
      end
    })

    -- At a specific time, run once using game time (respect pauses)
    Create({
      at = GameRules:GetGameTime() + 10.0,
      callback = function()
        print("Hello. I'm running when I was scheduled to run.")
      end
    })

    -- At a specific time, run once using real time (regardless of pauses)
    Create({
      at = Time() + 10.0,
      realtime = true,
      callback = function()
        print("Hello. I'm running when I was scheduled to run, even if someone paused the game.")
      end
    })

    -- At a specific time, 10 second delay from that time, run once using game time (respect pauses)
    Create({
      at = GameRules:GetGameTime() + 30.0,
      delay = 10.0,
      callback = function()
        print("Hello. I'm running 10 seconds after when I was scheduled to run.")
      end
    })

    -- A timer running every second that starts 5 seconds in the future.
    -- Uses game time, respecting pauses.
    Create({
      delay = 5.0,
      callback = function()
        print("Hello. I'm running 5 seconds after you called me and then every second thereafter.")
        return 1.0
      end
    })

    -- A timer running every second that starts after 2 minutes regardless of pauses
    Create({
      id = "uniqueTimerId",
      delay = 120.0,
      realtime = true,
      callback = function()
        print("Hello. I'm running after 2 minutes and then every second thereafter.")
        return 1.0
      end
    })

  @tparam table options Options table
  @tparam function options.callback Timer function
  @tparam[opt] string options.id Timer id
  @tparam[opt] list options.args List of arguments to pass to the callback
  @tparam[opt] number options.at Specific start time (timestamp in seconds).
    `nil`, `0` or negative number means it starts immediately
  @tparam[opt] number options.delay Delay start time (in seconds).
    `nil`, `0` or negative number means it starts immediately
  @tparam[opt=false] bool options.realtime If `true`, uses real clock (ignores pauses)
  @tparam[opt=false] bool options.paused If `true`, the timer starts paused and must be manually
  unpaused with @{Unpause}
  @tparam[opt=nil] function options.onError Error handler function.
    If `nil`, uses @{defaultErrorHandler}
]]
function M:Create(options)
  local timer = Timer(options)

  assert(self.timers[timer.id] == nil, ERRF_INVALID_TIMER_ALREADY_REGISTERED:format(timer.id))

  self.timers[timer.id] = timer

  return timer.id
end

function M:setPaused(id, value)
  local timer = self.timers[id]

  if timer == nil then
    return nil
  end

  timer.paused = value
  return id
end

--- Pauses a timer.
-- @tparam string id Timer id
-- @treturn ?string Id of paused timer or `nil` if the id isn't registered
function M:Pause(id)
  return self:setPaused(id, true)
end

--- Unpauses a timer.
-- @tparam string id Timer id
-- @treturn ?string Id of paused timer or `nil` if the id isn't registered
function M:Unpause(id)
  return self:setPaused(id, false)
end

--- Cancels a timer.
-- @tparam string id Timer id
-- @treturn ?string Id of canceled timer or `nil` if the id isn't registered
function M:Cancel(id)
  local timer = self.timers[id]
  self.timers[id] = nil
  return timer and id
end

--- Cancels all timers.
-- @treturn {string,...} Array of timer ids that were canceled
function M:CancelAll()
  local canceled = {}

  for id, _ in pairs(self.timers) do
    self.timers[id] = nil
    table.insert(canceled, id)
  end

  return canceled
end

return M
