"""Download non-docx wiki nodes (PDF attachments etc.) into data/files."""

import json
import os
import re
import subprocess
import sys
import time
from pathlib import Path

for _s in (sys.stdout, sys.stderr):
    try:
        _s.reconfigure(encoding="utf-8", errors="replace")
    except Exception:  # noqa: BLE001
        pass

IS_WIN = os.name == "nt"
BASE = [str(Path(os.environ.get("APPDATA", "")) / "npm" / "lark-cli.cmd")] if IS_WIN else ["lark-cli"]


def run(args):
    proc = subprocess.run(
        BASE + args + ["--json"],
        capture_output=True,
        text=True,
        encoding="utf-8",
        errors="replace",
        shell=IS_WIN,
    )
    idx = (proc.stdout or "").find("{")
    if idx < 0:
        return None
    return json.loads(proc.stdout[idx:])


def safe(name):
    return re.sub(r'[\\/:*?"<>|\r\n\t]+', "_", name).strip()[:100] or "file"


def main():
    tree = json.load(open("data/wiki_tree.json", encoding="utf-8"))
    out_dir = Path("data/files")
    out_dir.mkdir(parents=True, exist_ok=True)
    ok = fail = 0
    for node in tree:
        if node.get("obj_type") != "file" or not node.get("obj_token"):
            continue
        title = node.get("title") or node["obj_token"]
        ext = Path(title).suffix or ".bin"
        target = f"data/files/{safe(Path(title).stem or title)}{ext}"
        res = run(["drive", "+download", "--file-token", node["obj_token"], "--output", target, "--overwrite"])
        if res and res.get("ok"):
            node["file_path"] = target
            print(f"[ok] {title} -> {target}")
            ok += 1
        else:
            err = (res or {}).get("error", {})
            node["download_error"] = json.dumps(err, ensure_ascii=False)
            print(f"[fail] {title}: {err.get('message', res)}")
            fail += 1
        time.sleep(0.3)
    Path("data/wiki_tree.json").write_text(
        json.dumps(tree, ensure_ascii=False, indent=2), encoding="utf-8"
    )
    print(f"downloaded={ok} failed={fail}")


if __name__ == "__main__":
    main()