# seedbox.py

import argparse
import re
import urllib.error
import urllib.parse
import urllib.request
from pathlib import Path

from trackers import trackers

parser = argparse.ArgumentParser(
    prog="Unit3D seedbox manager",
    description="Automagically add or remove seedbox entries on any Unit3D",
    usage=f"{Path(__file__).name} tracker username [ip] [options] ",
    epilog="For bugs/errors, please DM me on FnP or make an issue on GitHub",
)

parser.add_argument("tracker", type=str, help="Tracker")
parser.add_argument("username", type=str, help="Username")
parser.add_argument("ip", nargs="?", type=str, help="IP of the seedbox")
parser.add_argument(
    "--print",
    default=False,
    action=argparse.BooleanOptionalAction,
    help="Prints list of seedboxes",
)
parser.add_argument(
    "--seedbox-name",
    type=str,
    default="PikminBox",
    help="Name of the seedbox (default: %(default)s)",
)
parser.add_argument(
    "--delete",
    default=False,
    action=argparse.BooleanOptionalAction,
    help="Deletes all old seedbox entries",
)
parser.add_argument(
    "--cookie-file",
    type=Path,
    default=Path(__file__).parent.joinpath("unit3d.cookies"),
    help="Cookies to be used",
)
parsed_args = parser.parse_args()

COOKIE_HEADER = ""


def generateHeaders(host: str) -> dict:
    headers = {
        "Host": host,
        "User-Agent": "Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:132.0) Gecko/20100101 Firefox/132.0",
        "Accept": "text/html,application/xhtml+xml,application/xml;q=0.9,*/*;q=0.8",
        "Accept-Language": "en-US,en;q=0.5",
        "Origin": f"https://{host}",
        "DNT": "1",
        "Sec-GPC": "1",
        "Connection": "keep-alive",
        "Upgrade-Insecure-Requests": "1",
    }
    if COOKIE_HEADER:
        headers["Cookie"] = COOKIE_HEADER
    return headers


def parseTracker(tracker: str) -> dict:
    for t in trackers:
        if tracker.lower() in [x.lower() for x in t.values()]:
            return t
    print(f'No tracker in database matched "{tracker}"')
    exit(1)


def parseCookieFile(file: Path, domain: str) -> None:
    global COOKIE_HEADER
    with open(file, "r") as f:
        for line in f:
            if not re.match(r"^\#", line) and not re.match(r"^\s*$", line):
                lineFields = line.strip().split("\t")
                if domain in lineFields[0]:
                    COOKIE_HEADER = f"{lineFields[5]}={lineFields[6]}"
                    return
    print(f"No remember_web_* cookie was found in {file}")
    exit(1)


def getSeedboxes(domain: str) -> tuple[list[dict], str]:
    global COOKIE_HEADER
    try:
        req = urllib.request.Request(
            f"https://{domain}/users/{parsed_args.username}/seedboxes",
            headers=generateHeaders(domain),
        )
        with urllib.request.urlopen(req) as resp:
            html = resp.read().decode("utf-8")

            for header, value in resp.getheaders():
                if header.lower() == "set-cookie":
                    cookie_val = value.split(";")[0]
                    if cookie_val not in COOKIE_HEADER:
                        COOKIE_HEADER += f"; {cookie_val}"

        token_match = re.search(
            r'<meta\s+name="csrf-token"\s+content="([^"]+)"', html, re.IGNORECASE
        )
        if not token_match:
            raise Exception("Could not find CSRF token on the page.")
        add_token = token_match.group(1)

        pattern = re.compile(
            r'<td>\s*(.*?)\s*</td>\s*<td>\s*(.*?)\s*</td>.*?action="[^"]+/seedboxes/(\d+)".*?name="_token"\s+value="([^"]+)"',
            re.DOTALL | re.IGNORECASE,
        )

        seedboxes = [
            {
                "name": m.group(1).strip(),
                "ip": m.group(2).strip(),
                "id": m.group(3),
                "token": m.group(4),
            }
            for m in pattern.finditer(html)
        ]

        return seedboxes, add_token

    except Exception as e:
        print(f"Error while getting seedboxes: {e}", flush=True)
        exit(1)


def addSeedbox(domain: str, token: str) -> bool:
    try:
        data = urllib.parse.urlencode(
            {
                "_token": token,
                "name": parsed_args.seedbox_name,
                "ip": parsed_args.ip,
            }
        ).encode("utf-8")

        req = urllib.request.Request(
            f"https://{domain}/users/{parsed_args.username}/seedboxes",
            data=data,
            headers=generateHeaders(domain),
        )
        with urllib.request.urlopen(req) as resp:
            html = resp.read().decode("utf-8")

        error_match = re.search(
            r'<div[^>]*id="ERROR_COPY"[^>]*>(.*?)</div>',
            html,
            re.DOTALL | re.IGNORECASE,
        )
        if error_match:
            clean_error = re.sub(r"<[^>]+>", "", error_match.group(1))
            error_msg = " ".join(
                [x.strip() for x in clean_error.split("\n") if x.strip()]
            )
            raise Exception(error_msg)

        return True

    except Exception as e:
        print("Failed to add seedbox", flush=True)
        print(f"Error: {e}", flush=True)
        return False


def main():
    tracker = parseTracker(parsed_args.tracker)
    domain = tracker["domain"]
    parseCookieFile(parsed_args.cookie_file, domain)

    seedboxes, add_token = getSeedboxes(domain)

    if parsed_args.print:
        print(f"Tracker: {tracker['name']}")
        print(f"\n| {'Name':<25}{'IP':<20}{'ID':<5}")
        print("| " + "-" * 53)
        for sbox in seedboxes:
            print(f"| {sbox['name']:<25}{sbox['ip']:<20}{sbox['id']:<5}")
        print()

    if parsed_args.delete:
        for sbox in seedboxes:
            print(f'Deleting Seedbox: "{sbox["name"]}" ({sbox["ip"]})', flush=True)
            data = urllib.parse.urlencode(
                {"_token": sbox["token"], "_method": "DELETE"}
            ).encode("utf-8")
            req = urllib.request.Request(
                f"https://{domain}/users/{parsed_args.username}/seedboxes/{sbox['id']}",
                data=data,
                headers=generateHeaders(domain),
            )

            try:
                urllib.request.urlopen(req)
            except urllib.error.HTTPError as e:
                if e.code != 302:
                    print(f"Failed to delete {sbox['name']}: HTTP {e.code}", flush=True)

    if parsed_args.ip:
        if addSeedbox(domain, add_token):
            print(
                f"Successfully added Seedbox \"{parsed_args.seedbox_name}\" ({parsed_args.ip}) to {tracker['name']}",
                flush=True,
            )


if __name__ == "__main__":
    main()