from pathlib import Path
from configparser import ConfigParser

import re
import subprocess
import shutil


config = ConfigParser()

config.read("config.ini")

source = Path(config["IMPORTER"]["SourcePath"])
completed = source / "completed"
completed.mkdir(exist_ok=True)

courses = dict()

mbzre = re.compile(r"course_(?P<courseid>\d+)_(?P<categoryid>\d+)_(?P<timestamp>\d+).mbz")

def call_php(courseid: int, categoryid: int, timestamp: int):
    try:
        subprocess.run(["php", config["IMPORTER"]["PHPScript"], f"--courseid={courseid}", f"--categoryid={categoryid}", f"--timestamp={timestamp}"], cwd=Path(config["IMPORTER"]["PHPScript"]).parent, check=True)
        return True
    except subprocess.CalledProcessError:
        return False


for mbz in source.glob("course_*_*_*.mbz"):
    meta = mbzre.search(str(mbz)).groupdict()

    if not meta["courseid"] in courses.keys():
        courses[int(meta["courseid"])] = list()

    courses[int(meta["courseid"])].append((int(meta["categoryid"]), int(meta["timestamp"])))


for course, data in sorted(courses.items(), key = lambda x: x[0]):
    current = config.getint("STATUS", str(course), fallback=0)

    byage = sorted(data, key = lambda x: -x[1])

    if byage[0][1] > current:
        if not call_php(course, byage[0][0], byage[0][1]):
            print(f"Something went wrong while importing {course}.")
            continue

        config["STATUS"][str(course)] = str(byage[0][1])

    for categoryid, timestamp in byage:
        shutil.move(source / f"course_{course}_{categoryid}_{timestamp}.mbz", completed)

with open("config.ini", "w") as configfile:
    config.write(configfile)