//go:build ignore

// Export the observed basic merge contract from an isolated native sync.
package main

import (
 "crypto/sha256"
 "encoding/hex"
 "encoding/json"
 "fmt"
 "os"
 pb "gac-hkrpg-go/protocol/proto"
 "google.golang.org/protobuf/proto"
)

func main() {
 if len(os.Args)!=4 { panic("usage: exporter <sync.bin> <catalog.json> <output.json>") }
 raw,e:=os.ReadFile(os.Args[1]);if e!=nil{panic(e)}
 var sync pb.GridFightSyncUpdateResultScNotify;if e=proto.Unmarshal(raw,&sync);e!=nil{panic(e)}
 var copies int
 for _,group:=range sync.GCPNIHHBGGD {
  if group.GridUpdateSrc!=pb.JJDFGMMMCMI_JJDFGMMMCMI_NJBMBFFLNGM {continue}
  removed:=map[uint32]bool{};var added *pb.CDEAABODKCP
  for _,v:=range group.JKPJFKCBIEM {if id:=v.GetHFCBOIOAECK();id!=0{if removed[id]{panic("duplicate removal")};removed[id]=true};if v.GetPIDDDHKPDDM()!=nil{if added!=nil{panic("multiple merged roles")};added=v.GetPIDDDHKPDDM()}}
  if added==nil||len(removed)<2||removed[added.UniqueId]||added.RoleStar!=2{panic("not an observed first-star merge")}
  if copies!=0&&copies!=len(removed){panic("merge counts differ")};copies=len(removed)
 }
 if copies==0{panic("merge group missing")}
 b,e:=os.ReadFile(os.Args[2]);if e!=nil{panic(e)};var catalog struct{Client string `json:"client_version"`; Provenance struct{Assembly string `json:"game_assembly_sha256"`} `json:"provenance"`};if e=json.Unmarshal(b,&catalog);e!=nil{panic(e)}
 digest:=sha256.Sum256(raw)
 out:=map[string]any{"format_version":1,"target_client_version":catalog.Client,"target_assembly_sha256":catalog.Provenance.Assembly,"source_capture_sha256":hex.EncodeToString(digest[:]),"copies_required":copies,"ordinary_max_star":3,"scope":"Basic identical-role merges: source native MergeRoles and captured remove/add sync. Ordinary maximum 3 follows the reference implementation; Spotlight/trait higher-star exceptions require their own engine. No ID-specific rules."}
 b,e=json.MarshalIndent(out,"","  ");if e!=nil{panic(e)};if e=os.WriteFile(os.Args[3],append(b,'\n'),0644);e!=nil{panic(e)};fmt.Println("Exported native copies required:",copies)
}