local ids, bests, allitems, items, dirty = LibStub("tekIDmemo"), {}, {}, {
  bandage = "2581:114,8545:1104,21991:3400,14530:2000,6451:640,3531:301,1251:66,8544:800,21990:2800,14529:1360,6450:400,3530:161",
  hstone = "11951:800,5509:500,5510:800,5511:250,5512:100,9421:1200,19004:110,19005:120,19006:275,19007:300,19008:550,19009:600,19010:880,19011:960,19012:1320,19013:1440,22103:2080,22104:2288,22105:2496",
  mstone = "5513:600,5514:400,8007:850,8008:1100,22044:1250",
  hppot = "33092:2000,118:80,858:160,4596:160,929:320,1710:520,11562:670,3928:800,18839:800,13446:1400,31838:1400,31839:1400,31852:1400,31853:1400,28100:1400,23822:2000,22829:2000,32947:2000",
  mppot = "33093:2400,2455:160,3385:320,3827:520,6149:800,13443:1200,18841:1200,13444:1800,31840:1800,31841:1800,31854:1800,31855:1800,28101:1800,23823:2400,22832:2400,32948:2400,31677:3200",
  water = "18300:4200,21071:315,21153:882,2682:294,3448:294,13724:4410,20031:4410,19301:4410,28112:4410,1401:60,159:151,1179:436,17404:436,1205:835,9451:835,19299:835,1708:1344,4791:1344,10841:1344,17405:1344,1645:1992,19300:1992,8766:2934,23161:2934,28399:5100,27860:7200,29395:7200,24007:4200,30457:7200,29454:5100,29401:7200,24006:2934,23585:2934",
  food = "21071:155,21153:567,2682:294,3448:294,13724:2148,20031:2550,19301:4410,28112:4410,3448:294,17344:61,5473:294,17407:874,19225:2148,733:552,5526:552,7228:552,6316:243,13933:2148,16166:61,16167:243,16170:552,16171:2148,18255:1392,29412:4320,24338:2148,24408:4320,21235:50,19995:50,2679:61,17407:874,19305:552,19224:874,19223:61,19304:243,117:61,2287:243,2681:61,2685:552,3770:552,3771:874,4599:1392,5478:552,6890:243,8952:2148,19306:1392,9681:1392,9681:61,29451:7500,30610:4320,27854:4320,23495:61,17119:243,11444:2148,32685:7500,32686:7500,4604:61,4605:243,4606:552,4607:874,4608:1392,8948:2148,27859:4320,30355:7500,29453:7500,29450:7500,19994:50,22324:2148,4536:61,4537:243,4538:552,4539:874,4602:1392,8953:2148,16168:1392,21033:2148,21031:2148,21030:1392,29393:4320,27856:4320,19696:50,20857:61,4540:61,4541:243,4542:552,4544:874,16169:874,4601:1392,8950:2148,23160:2148,29394:7500,27855:4320,28486:4320,24072:243,30816:61,29449:7500,2070:61,414:243,17406:243,422:552,1707:874,3927:1392,8932:2148,27857:4320,29448:7500,30458:4320,19996:50,6316:243,21552:1392,16766:1392,2682:294,4592:243,4593:552,4594:874,5095:243,6290:61,6887:1392,787:61,8364:874,8957:2148,13546:1392,13930:1392,13935:2148,27661:4320,27858:4320,12238:243,13933:2148,29452:7500",
  conjfood = "1113:243,1114:552,1487:874,5349:61,8075:1392,8076:2148,22895:4320,22019:7500",
  conjwater = "5350:151,2288:436,2136:835,3772:1344,8077:1992,8078:2934,8079:4200,30703:5100,22018:7200",
  percfood = "19696:50,19994:50,19995:50,21235:50,19996:50,21537:100,20388:75,20389:75,20390:75,21215:100",
  percwater = "21537:100,20388:75,20389:75,20390:75,21215:100",
}
 
 
local function TableStuffer(...)
  local t = {}
  for i=1,select("#", ...) do
    local id, v = string.split(":", (select(i, ...)))
    t[tonumber(id)] = tonumber(v) or 0
    allitems[tonumber(id)] = tonumber(v) or 0
  end
  return t
end
for i,v in pairs(items) do bests[i], items[i] = {}, TableStuffer(string.split(" ,", v)) end
 
 
local function edit(name, ooc, ic, shift)
  local macroid = GetMacroIndexByName(name)
  if not macroid then return end
 
  local body = "#showtooltip\n"
  if shift then body = body .. "/use [modifier:shift] item:"..shift.."\n" end
  if ic then body = body .. "/use [combat] item:"..ic.."\n" end
  body = body .. "/use item:"..(ooc or "6948")
 
  EditMacro(macroid, name, 1, body, 1)
end
 
 
local function scan()
  for _,t in pairs(bests) do for i in pairs(t) do t[i] = nil end end
  local mylevel = UnitLevel("player")
 
  for bag=0,4 do
    for slot=1,GetContainerNumSlots(bag) do
      local link = GetContainerItemLink(bag, slot)
      local id = link and ids[link]
      local _, _, _, _, reqlvl = link and GetItemInfo(link)
      if id and allitems[id] and (not reqlvl or reqlvl <= mylevel) then
        local _, stack = GetContainerItemInfo(bag,slot)
        for set,setitems in pairs(items) do
          local thisbest, val = bests[set], setitems[id]
          if val and (not thisbest.val or (thisbest.val < val or thisbest.val == val and thisbest.stack > stack)) then
            thisbest.id, thisbest.val, thisbest.stack = id, val, stack
          end
        end
      end
    end
  end
 
  edit("AutoHP", bests.conjfood.id or bests.percfood.id or bests.food.id or bests.hstone.id or bests.hppot.id, bests.hstone.id or bests.hppot.id, bests.bandage.id)
  edit("AutoMP", bests.conjwater.id or bests.percwater.id or bests.water.id or bests.mstone.id or bests.mppot.id, bests.mstone.id or bests.mppot.id)
  dirty = false
end
 
 
local f = CreateFrame("Frame")
f:SetScript("OnEvent", function(self, event, ...)
  if event ~= "PLAYER_REGEN_ENABLED" then dirty = true end
  if dirty and not InCombatLockdown() then scan() end
end)
f:RegisterEvent("PLAYER_LOGIN")
f:RegisterEvent("PLAYER_REGEN_ENABLED")
f:RegisterEvent("BAG_UPDATE")
 
scan()