import os
from datetime import datetime
from pathlib import Path

blacklist = ["_\\", "_ori", "_.csv", "Kopie", "copy", "_sich"]


def move(system_dir: str):
    max_age_ts = datetime.now().timestamp() - 24 * 60 * 60
    ignore_file = Path(f"{system_dir}\\IQD\\ignoriert.txt")
    ignore_list = []
    if ignore_file.exists():
        ignore_list = ignore_file.read_text(encoding="latin-1").split("\n")

    no_files = True
    for source in Path(f"{system_dir}\\IQD").rglob("*.csv"):
        if source.name in ignore_list:
            continue

        full_file = str(source)
        blacklisted = [pattern in full_file for pattern in blacklist]
        if any(blacklisted):
            continue
        no_files = False
        print("* " + str(source))
        dest = Path(f"{system_dir}\\Export\\{source.name}")
        source_size = source.stat().st_size
        source_ts = source.stat().st_mtime
        if source_size <= 20:
            print(f"!! Datei {source.name} ist leer !!")
            continue
        if source_ts < max_age_ts:
            print(f"!! Datei {source.name} ist aelter als 24 Stunden !!")
            continue
        if dest.exists():
            dest_size = dest.stat().st_size
            if source_size < dest_size // 10:
                print(f"!! Datei {source.name} ist zu klein !!")
                print(f"{source}: {source_size // 1024} KB")
                print(f"{dest}: {dest_size // 1024} KB")
                print("")
                continue
            dest_ts = dest.stat().st_mtime
            if source_ts < dest_ts:
                print(f"!! Datei {source.name} ist aelter als die Zieldatei !!")
                print(str(source) + ": " + datetime.fromtimestamp(source_ts).strftime("%d.%m.%Y, %H:%M:%S"))
                print(str(dest) + ": " + datetime.fromtimestamp(dest_ts).strftime("%d.%m.%Y, %H:%M:%S"))
                print("")
                continue
            dest.unlink()
        os.rename(source, dest)
    return no_files


def check(system_dir: str):
    max_age_ts = datetime.now().timestamp() - 24 * 60 * 60
    ignore_file = Path(f"{system_dir}\\Export\\ignoriert.txt")
    ignore_list = []
    if ignore_file.exists():
        ignore_list = ignore_file.read_text(encoding="latin-1").split("\n")
    clean_exit = True

    for dest in Path(f"{system_dir}\\Export").glob("*.csv"):
        if dest.name in ignore_list:
            continue
        dest_ts = dest.stat().st_mtime
        if dest_ts < max_age_ts:
            print(f"!! Datei {dest.name} ist aelter als 24 Stunden !!")
            print(str(dest) + ": " + datetime.fromtimestamp(dest_ts).strftime("%d.%m.%Y, %H:%M:%S"))
            clean_exit = False
            continue
    return clean_exit