FIELD_22_HEX = (
    "474752450101010062020000a78910bd098e3ff2e4345d59a31db114ea088f37e32e65"
    "212ff96621793d9eb78720d0bf2ac95176569765247ada5eb01376b3b9931794a4946"
    "d76ef8890779f3f2129317e6e1cb2fdcf7b06247cea343b8d4f167eff85a2e1dfe99"
    "b4583a7e1a155dbe7f7f85cff3b223eb77222ec1228f3ee1ef6ce7f8ca24b00a554"
    "e497328812f8df74c82d519ae3e3ceab436eb145e8a517089a7cef6a4efb22214b2"
    "a4b19989b74807584afe5e52825e7ac60e19a596a9bf02d961de6a0ed2515ec6023"
    "fdb7684d9464b97b21c527ce61b6bee4ef30d20a1fa33a996952d44d44e44f2f86c"
    "768aaf2a7808ad60f91048dca0207961ba7c2555c48341b30190debc775edb2cee24"
    "4cf51fca3760ce4388be2db45e80b813b5beb9c784007b7762d7a1e428affc8a3a4"
    "cd76cbaef648a274297fde33233dccd3f272cb77f39a1affe0365a24954111f768f72"
    "0e77535af024bea2b2726c3bac992374755c3deacf09235e6865d456e651680d115a"
    "751a797225eaacdf9a513cf104526e1a32e5296e111a33ae581a63850837921df848"
    "9adfd41ea895b7cf3f5b2e45d538a6e4f032f590ccbb7daf5fa9c50adadee0799661"
    "4c3f957bda349e6c484fdf55970d1943ad7955a76671298b6d98b636b69ebde6bc94"
    "dbd93ac3393a6ae230130445b2d744189167854a5617be2393e7d8fbb5719a1b4754"
    "1ba466167e3e05a6c244f1301ee2035acf94dffc8adbde747d5cd85e35ead3acc372"
    "a59c4220e54bf63f9d80485f3de2518495c1d0f78c911d2da595911fd2a1989cf17"
    "cf3ded5f6c92dea64d675c555c11df92d6c517ca5d0d61a8962f43f76ec7e87596c"
    "8325ebf9ab0f8e6d2eca33c511ceac6980906ebd68c478665591dcecf788ec6ef34c"
    "fbe3fcc279c6147c5bf91cd43cdc9704236"
)


def send_major_register(session, name, access_token, open_id):
    
    field14_bytes = xor_open_id(open_id)

    fields = {
        1:  name,
        2:  access_token,
        3:  open_id,
        5:  102000007,
        6:  4,
        7:  1,
        13: 1,
        14: field14_bytes,
        15: "en",
        16: 2,
        20: "2.133.8",                     
        21: 1,
        22: bytes.fromhex(FIELD_22_HEX),   
    }

    plain     = assemble_proto(fields)
    encrypted = aes_encrypt(plain)

    headers = {
        "Host":             MAJOR_REGISTER_URL.split('/')[2],
        "User-Agent":       "UnityPlayer/2018.4.12f1 (UnityWebRequest/1.0, libcurl/8.5.0-DEV)",
        "Accept":           "*/*",
        "Accept-Encoding":  "deflate, gzip",
        "X-GA-SV":          str(int(time.time())),   # ← fixed: was missing
        "Authorization":    "Bearer",
        "X-GA":             "v1 1",
        "ReleaseVersion":   "OB55",
        "Content-Type":     "application/x-www-form-urlencoded",
        "X-Unity-Version":  "2018.4.12f1",
        "Content-Length":   str(len(encrypted)),    
    }

    resp = session.post(MAJOR_REGISTER_URL, data=encrypted,
                        headers=headers, timeout=30)

    if resp.status_code != 200:
        raise Exception(f"MajorRegister HTTP {resp.status_code}: {resp.text}")

    return parse_proto(resp.content)