#!/usr/bin/env python3
"""Example: replace children of a named bookmark folder from a small JSON list.

This is not a sync engine. It finds one folder by title, deletes its children,
and creates the supplied bookmarks. See AGENTS.md.
"""
from __future__ import annotations

import json
import sys
from pathlib import Path

ROOT = Path(__file__).resolve().parents[1]
sys.path.insert(0, str(ROOT / "tools"))
from client import call  # noqa: E402


def find_folder(title: str) -> dict:
    hits = call("bookmarks.search", [{"title": title}])
    folders = [n for n in hits if not n.get("url")]
    if not folders:
        raise SystemExit(f"folder not found: {title}")
    if len(folders) > 1:
        raise SystemExit(f"multiple folders titled {title!r}; pass a unique name")
    return folders[0]


def main() -> int:
    if len(sys.argv) != 3:
        print("usage: replace_named_folder.py FOLDER_TITLE items.json", file=sys.stderr)
        return 2
    title = sys.argv[1]
    items = json.loads(Path(sys.argv[2]).read_text(encoding="utf-8"))
    folder = find_folder(title)
    for child in call("bookmarks.getChildren", [folder["id"]]):
        if child.get("url"):
            call("bookmarks.remove", [child["id"]])
        else:
            call("bookmarks.removeTree", [child["id"]])
    for item in items:
        call(
            "bookmarks.create",
            [{"parentId": folder["id"], "title": item["title"], "url": item["url"]}],
        )
    print(f"replaced {len(items)} bookmarks in {title!r} ({folder['id']})")
    return 0


if __name__ == "__main__":
    raise SystemExit(main())