"""Prepare a bounded, inactive Client audit from the actual outgoing ID catalog."""
import argparse
import hashlib
import json
from pathlib import Path

parser = argparse.ArgumentParser(description=__doc__)
parser.add_argument('--catalog', type=Path, required=True)
parser.add_argument('--output', type=Path, required=True)
args = parser.parse_args()
raw = args.catalog.read_bytes()
ids = sorted(set(json.loads(raw)['subMissionIds']))
if not ids or any(not isinstance(i, int) or not 0 < i < 2**32 for i in ids):
    raise SystemExit('Invalid outgoing mission catalog')
ranges = []
for i in ids:
    if ranges and ranges[-1][1] + 1 == i:
        ranges[-1][1] = i
    else:
        ranges.append([i, i])
source = '''-- Temporary: read-only lookup of outgoing sub-missions, at most four per frame.
do
 if not _G.__gacMissionAudit1 then
  local s={range=1,done=false,checked=0,valid=0,missing={},frame=-1}
  _G.__gacMissionAudit1=s
  local ranges=__RANGES__
  local log=function(v)CS.UnityEngine.Debug.Log('[GAC_MISSION_AUDIT] '..tostring(v))end
  log('BEGIN expected=__COUNT__ catalog_sha256=__HASH__')
  s.tick=function()
   if s.done then return end
   local frame=CS.UnityEngine.Time.frameCount
   if s.frame==frame then return end
   s.frame=frame
   local good,err=pcall(function()
    local manager=CS.RPG.Client.GlobalVars.s_GamePhaseManager
    local flags=CS.System.Enum.ToObject(typeof(CS.System.Reflection.BindingFlags),60)
    local phase=manager and typeof(CS.RPG.Client.GamePhaseManager):GetField('_CurrentPhase',flags):GetValue(manager)
    if phase and typeof(CS.RPG.Client.BattleGamePhase):IsInstanceOfType(phase)then return end
    local m=CS.RPG.Client.GlobalVars.s_ModuleManager.MissionModule
    local start=CS.UnityEngine.Time.realtimeSinceStartup
    for n=1,4 do
     local r=ranges[s.range]
     if not r then
      s.done=true
      log('END checked='..s.checked..' valid='..s.valid..' missing='..table.concat(s.missing,','))
      return
     end
     local id=s.next or r[1]
     local cfg=m:GetSubMissionInfoConfig(id)
     if cfg then s.valid=s.valid+1 else s.missing[#s.missing+1]=tostring(id)end
     s.checked=s.checked+1
     if id==r[2]then s.range=s.range+1;s.next=nil else s.next=id+1 end
     if s.checked%1000==0 then log('PROGRESS checked='..s.checked..' valid='..s.valid)end
     if CS.UnityEngine.Time.realtimeSinceStartup-start>0.002 then break end
    end
   end)
   if not good then s.done=true;log('ERROR checked='..s.checked..' '..tostring(err))end
  end
  local ok,e=pcall(function()CS.UnityEngine.Application.onBeforeRender('+',s.tick)end)
  if not ok then s.done=true;log('ERROR '..tostring(e))end
 end
end
'''
source = source.replace('__RANGES__', '{' + ','.join('{%d,%d}' % tuple(r) for r in ranges) + '}')
source = source.replace('__COUNT__', str(len(ids))).replace('__HASH__', hashlib.sha256(raw).hexdigest())
args.output.write_text(source, encoding='utf-8')
print(f'Prepared {len(ids)} IDs in {len(ranges)} ranges; {len(source)} bytes')