#!python

# set mtime for handbrake mp4 files from filename

# https://github.com/hMatoba/Piexif
# http://ce3wiki.theturninggate.net/doku.php?id=file_name_convention
# destination: <BASE>/<year>/<YYYYMMDD> <Event>/ab-<YYYYMMDD>-<Event>-<nnnn>.jpg

from pathlib import Path
import datetime as dt
import re
import os
import subprocess

DRY_RUN = False

def rename(old, new):
    print(old.name, "->", new.name)
    if not DRY_RUN:
        if not new.exists():
            old.rename(new)
        else:  
            print(f"skipped {old.name}, {new.name}, already exists")

# src = Path(r'D:\Videos')
# src = Path(r"D:\MediaLibrary\Pictures\2023\20230819 Urlaub Nordkapp")
src = Path(r"U:\shared\Nordkapp\FullHD\Samsung Galaxy A41")


for raw in src.glob("*.jpg"):
    mo = re.match("(?P<author>[^-]*)-(?P<dt>\S{8}-\S{6})-?(?P<model>[^-]*)(-\S+)?.jpg", raw.name)
    if mo is None:
        print(f"skipped {raw.name}, no match")
        continue
    md = mo.groupdict()
    rawdt = dt.datetime.strptime(md['dt'],"%Y%m%d-%H%M%S")
    mtime = rawdt.timestamp()
    atime = raw.stat().st_atime
    print(f"setting {raw.name} to {rawdt}")
    # exifdt = (rawdt+dt.timedelta(hours=2)).strftime('%Y:%m:%d %H:%M:%S')
    # print(f'exiftool "-AllDates={exifdt}" "{raw}"')
    # subprocess.run(["exiftool", f"-AllDates={exifdt}", f"{raw}"])
    if not DRY_RUN:
        os.utime(raw, (atime, mtime))
    # fn = f"{md['author'].lower()}-{md['dt']}-{md['model']}{raw.suffix}"
    # rename(raw, raw.parent / fn)
    # use exiftool for MP4 metadata timestamps  3127 days, 19:36:35
    # exiftool "-AllDates+=3127 19:36:35" "E:\RawTriage\GoPro Hero\20230819"