#!/usr/bin/env python3
"""Plan all captured spaces newest first, offline; private output, no import."""

import argparse
import hashlib
import json
import os
import sys
from pathlib import Path

sys.path.insert(0, str(Path(__file__).resolve().parents[1]))

from coulomb_social.apps.spaces.bubble_transfer import transfer_plan  # noqa: E402


def main():
    parser = argparse.ArgumentParser(description=__doc__)
    parser.add_argument("capture", type=Path, help="Private spaces.json/articles.json directory")
    parser.add_argument("--output", type=Path, required=True, help="New private JSON file")
    parser.add_argument("--inventory-spaces", type=Path,
                        help="Retained spaces.json; keep absent spaces queued as not refreshed")
    args = parser.parse_args()
    try:
        sources = {name: (args.capture / (name + ".json")).read_bytes()
                   for name in ("spaces", "articles")}
        inventory = None
        if args.inventory_spaces:
            sources["retained_spaces"] = args.inventory_spaces.read_bytes()
            inventory = json.loads(sources["retained_spaces"])
        plan = transfer_plan(json.loads(sources["spaces"]), json.loads(sources["articles"]),
                             inventory_spaces=inventory)
        plan["source_sha256"] = {name: hashlib.sha256(data).hexdigest()
                                 for name, data in sources.items()}
        # Never print private IDs, names, notes or source errors to the terminal.
        fd = os.open(args.output, os.O_WRONLY | os.O_CREAT | os.O_EXCL, 0o600)
        with os.fdopen(fd, "w") as stream:
            json.dump(plan, stream, indent=2)
            stream.write("\n")
        print(json.dumps({
            "spaces": len(plan["spaces"]),
            "captured_graph_complete": sum(s["captured_graph_complete"] for s in plan["spaces"]),
            "unassigned_articles": len(plan["unassigned_article_ids"]),
            "inventory_only_spaces": len(plan["inventory_only_space_ids"]),
            "live_source_completeness_verified": False, "production_imported": False,
        }))
    except (ValueError, OSError, TypeError):
        print("Transfer plan refused; inspect the private capture/output locally", file=sys.stderr)
        return 1
    return 0


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