# -*- coding: utf-8 -*-
# =============================================================================
# Nazev:   jnj_scan_failed_sent_v1.0.py
# Verze:   1.0
# Datum:   2026-06-16
# Popis:   JNJ-native (MAPI / pywin32). Projde slozku Odeslane (Sent Items) za
#          poslednich N dni a najde PODEZRELE e-maily = pravdepodobne NEODESLANE
#          (napr. SendAs denied). Kazdy podezrely ULOZI jako .msg a vypise, ktere
#          priznaky se trefily. NIC neodesila ani nemaze, jen CTE a uklada.
# Priznaky podezreni (cteno ze ZIVE polozky):
#   FAIL_BODY   = telo/ReportText obsahuje "could not be sent" / "SendAsDenied"
#                 / "permission to send the message on behalf" / "TransportSend"
#   SENDAS_BUZ  = PrimarySendAccount/SentRepresenting/Sender obsahuje "buzalka.cz"
#   NO_MSGID    = chybi Internet Message-ID (0x1035) -- slabsi priznak
# Pouziti: JNJ Python (Thonny), Outlook s JNJ schrankou.
#          pip install pywin32 ;  python jnj_scan_failed_sent_v1.0.py
# =============================================================================

import os
import re
import sys
import datetime
import win32com.client  # pywin32

# ----------------------------- KONFIGURACE -----------------------------------

SENDER_SMTP = "vbuzalka@its.jnj.com"
DAYS = 60                                   # okno: poslednich N dni
OUTPUT_DIR = r"C:\Users\vbuzalka\sent_suspects"

# Ukladat i polozky, ktere maji JEN slaby priznak NO_MSGID (bez FAIL/SENDAS)?
# True = vc. provizornich kopii bez Message-ID (muze byt vic souboru).
INCLUDE_NO_MSGID = True

# -----------------------------------------------------------------------------

OL_MSG = 3
OL_FOLDER_SENT = 5
PA = "http://schemas.microsoft.com/mapi/proptag/0x{:s}"

P_MSGID      = "1035001F"
P_SENDACCT   = "0E28001F"   # PrimarySendAccount
P_SENTREP_EM = "0065001F"   # SentRepresentingEmailAddress
P_SENDER_EM  = "0C1F001F"   # SenderEmailAddress
P_REPORTTEXT = "1001001F"   # ReportText (kdyz existuje)

FAIL_SIGNS = [
    "could not be sent",
    "sendasdenied",
    "permission to send the message on behalf",
    "transportsend operation has failed",
    "mapiexceptionsendasdenied",
    "tuto zpravu nelze odeslat",          # pro pripad lokalizace
]


def gp(item, tag):
    try:
        return item.PropertyAccessor.GetProperty(PA.format(tag))
    except Exception:
        return None


def get_sent_folder(ns):
    try:
        for acct in ns.Accounts:
            if (acct.SmtpAddress or "").lower() == SENDER_SMTP.lower():
                return acct.DeliveryStore.GetDefaultFolder(OL_FOLDER_SENT)
    except Exception:
        pass
    return ns.GetDefaultFolder(OL_FOLDER_SENT)


def safe(s, n=34):
    return re.sub(r"[^A-Za-z0-9._-]+", "_", (s or ""))[:n].strip("_")


def analyze(item):
    """Vrati seznam priznaku (flags) pro polozku."""
    flags = []

    # 1) FAIL_BODY: telo + ReportText
    blob = ""
    try:
        blob += (item.Body or "")
    except Exception:
        pass
    rt = gp(item, P_REPORTTEXT)
    if rt:
        blob += "\n" + str(rt)
    low = blob.lower()
    if any(s in low for s in FAIL_SIGNS):
        flags.append("FAIL_BODY")

    # 2) SENDAS_BUZ: nektera z odesilatelskych poloz. obsahuje buzalka.cz
    for tag in (P_SENDACCT, P_SENTREP_EM, P_SENDER_EM):
        v = gp(item, tag)
        if v and "buzalka.cz" in str(v).lower():
            flags.append("SENDAS_BUZ")
            break

    # 3) NO_MSGID
    mid = gp(item, P_MSGID)
    if not mid:
        flags.append("NO_MSGID")

    return flags, (mid or "")


def main():
    os.makedirs(OUTPUT_DIR, exist_ok=True)
    cutoff = datetime.date.today() - datetime.timedelta(days=DAYS)

    outlook = win32com.client.Dispatch("Outlook.Application")
    ns = outlook.GetNamespace("MAPI")
    sent = get_sent_folder(ns)
    items = sent.Items
    items.Sort("[SentOn]", True)  # nejnovejsi prvni

    print(f"Slozka : {sent.FolderPath}")
    print(f"Okno   : poslednich {DAYS} dni (od {cutoff.isoformat()})")
    print(f"Vystup : {OUTPUT_DIR}")
    print(f"NO_MSGID se uklada: {INCLUDE_NO_MSGID}")
    print("=" * 90)

    scanned = saved = strong = 0
    for it in list(items):
        try:
            if it.Class != 43:
                continue
        except Exception:
            continue
        # datum + early stop
        try:
            s = it.SentOn
            sdate = datetime.date(s.year, s.month, s.day)
        except Exception:
            sdate = None
        if sdate is not None:
            if sdate < cutoff:
                break            # dale uz jen starsi (serazeno desc)
        scanned += 1

        flags, mid = analyze(it)
        if not flags:
            continue
        is_strong = ("FAIL_BODY" in flags) or ("SENDAS_BUZ" in flags)
        if not is_strong and not (INCLUDE_NO_MSGID and "NO_MSGID" in flags):
            continue

        saved += 1
        if is_strong:
            strong += 1

        subj = ""
        try:
            subj = it.Subject or ""
        except Exception:
            pass
        try:
            tail = (it.EntryID or "")[-20:]
        except Exception:
            tail = ""

        tagstr = "+".join(flags)
        print(f"\n[{saved}] {sdate}  flags={tagstr}")
        print(f"    subj : {subj}")
        print(f"    msgid: {mid if mid else '<chybi>'}")

        fn = f"{('STRONG' if is_strong else 'weak')}_{sdate}_{safe(subj,30)}_{tail}.msg"
        path = os.path.join(OUTPUT_DIR, fn)
        try:
            it.SaveAs(path, OL_MSG)
            print(f"    ulozeno: {fn}")
        except Exception as e:
            print(f"    !! SaveAs chyba: {e}")

    print("\n" + "=" * 90)
    print(f"Prohledano (v okne): {scanned}")
    print(f"Ulozeno podezrelych: {saved}  (z toho silnych FAIL/SENDAS: {strong})")
    print(f"Soubory v: {OUTPUT_DIR}  -> prines je domu ke kontrole.")
    print("Pozn.: STRONG_* = telo NDR nebo send-account buzalka.cz (skoro jiste neodeslano).")
    print("       weak_*   = jen chybi Message-ID (muze byt i provizorni kopie, co se pozdeji dokonci).")


if __name__ == "__main__":
    try:
        main()
    except Exception as e:
        print("CHYBA:", e)
        sys.exit(1)