#!/usr/bin/env python3
import argparse
import os
import re
import subprocess
import sys
import time

import requests

parser = argparse.ArgumentParser()
parser.add_argument("-r", "--remote", type=str, required=True)
parser.add_argument("-f", "--force", action=argparse.BooleanOptionalAction)
args = parser.parse_args()
remote = args.remote
force = args.force


def drive_list(path):
    proc = subprocess.run(
        ["rclone", "lsf", f"{remote}:{path}"],
        check=True,
        capture_output=True,
    )
    return proc.stdout.decode().split("\n")


def download(path, file):
    if not force and os.path.isfile(os.path.join(path, file)):
        return

    try:
        print(f"Download {path}/{file}")
        subprocess.run(
            ["rclone", "copy", "-P", "-v", f"{remote}:{path}/{file}", f"{path}/"],
            check=True,
            stdout=sys.stdout,
        )
    except subprocess.CalledProcessError:
        print(f"Removing {path}/{file}")
        os.remove(f"{path}/{file}")
        print("Waiting for 10 minutes ...")
        time.sleep(10 * 60)
        download(path, file)


req_titles = requests.get(
    "https://raw.githubusercontent.com/blawar/titledb/master/FR.fr.json"
)
json_titles = req_titles.json()
titles = []
for json_title in json_titles:
    titles.append(json_titles[json_title]["id"])
print("Titles OK")

bases = drive_list("nsz/base")
print("Base OK")

dlcs = drive_list("nsz/dlc")
print("DLC OK")

updates = drive_list("nsz/updates")
print("Updates OK")


def get_title_shortid(name):
    re_id = re.search(r"\[([0-9A-F]*)\]", name)

    if not re_id:
        return

    id = re_id.group(1)

    return id[0:-4] if id in titles else None


def remove(path):
    to_remove = []

    for name in os.listdir(path):
        if os.path.isfile(name):
            id = get_title_shortid(name)

            if not id:
                to_remove.append(f"{path}/{name}")

    if len(to_remove) > 100:
        print("Too much to delete:")

        for be_removed in to_remove:
            print(be_removed)
    else:
        for be_removed in to_remove:
            print(f"Removing {be_removed}")
            os.remove(be_removed)


remove("nsz/base")
remove("nsz/dlc")
remove("nsz/updates")

try:
    subprocess.run(
        ["rclone", "sync", "-P", "-v", f"{remote}:nsz/homebrew", "nsz/homebrew/"],
        check=True,
        stdout=sys.stdout,
    )
except subprocess.CalledProcessError:
    pass

for base in bases:
    id = get_title_shortid(base)

    if not id:
        continue

    download("nsz/base", base)

    for dlc in dlcs:
        if id in dlc:
            download("nsz/dlc", dlc)

    for update in updates:
        if id in update:
            download("nsz/updates", update)