"""Upload COMP2211 course-library PDFs to Supabase Storage.

Run from the backend directory:
    uv run python upload_course_library_pdfs.py

Each entry maps a storage path (inside the `papers` bucket) to the local
source file under pastpaper-scraper/papers/COMP2211/.
"""

from __future__ import annotations

import sys
from pathlib import Path

# ---------------------------------------------------------------------------
# Manifest: (storage_path, local_filename)
# storage_path is relative inside the `papers` bucket.
# local_filename is relative to PAPERS_DIR below.
# ---------------------------------------------------------------------------
MANIFEST: list[tuple[str, str]] = [
    (
        "course-library/COMP2211/COMP2211-2022-fall-midterm/paper.pdf",
        "(COMP2211)[2022](f)midterm~=yjz8dxdd^_27002.pdf",
    ),
    (
        "course-library/COMP2211/COMP2211-2022-fall-midterm/answer.pdf",
        "(COMP2211)[2022](f)midterm~=yjz8dxdd^_18747.pdf",
    ),
    (
        "course-library/COMP2211/COMP2211-2022-spring-midterm/paper.pdf",
        "(COMP2211)[2022](s)midterm~=b8bidkgs^_14629.pdf",
    ),
    (
        "course-library/COMP2211/COMP2211-2022-spring-midterm/answer.pdf",
        "(COMP2211)[2022](s)midterm~=6ma030^_89587.pdf",
    ),
    (
        "course-library/COMP2211/COMP2211-2022-spring-final-part-a/paper.pdf",
        "(COMP2211)[2022](s)final~=b8bidkgs^_33018.pdf",
    ),
    (
        "course-library/COMP2211/COMP2211-2022-spring-final-part-a/answer.pdf",
        "(COMP2211)[2022](s)final~=ajou6^_82011.pdf",
    ),
    (
        "course-library/COMP2211/COMP2211-2022-spring-final-part-b/paper.pdf",
        "(COMP2211)[2022](s)final~=b8bidkgs^_40627.pdf",
    ),
    (
        "course-library/COMP2211/COMP2211-2022-spring-final-part-b/answer.pdf",
        "(COMP2211)[2022](s)final~=ajou6^_51199.pdf",
    ),
    (
        "course-library/COMP2211/COMP2211-2023-spring-midterm/paper.pdf",
        "(COMP2211)[2023](s)midterm~=bxbidkmj^_26587.pdf",
    ),
    (
        "course-library/COMP2211/COMP2211-2023-spring-midterm/answer.pdf",
        "(COMP2211)[2023](s)midterm~clchanbg^_17297.pdf",
    ),
    (
        "course-library/COMP2211/COMP2211-2024-spring-midterm/paper.pdf",
        "(COMP2211)[2024](s)midterm~=rcidkjgf^_82003.pdf",
    ),
    (
        "course-library/COMP2211/COMP2211-2024-spring-midterm/answer.pdf",
        "(COMP2211)[2024](s)midterm~=ubrzkjmz^_90406.pdf",
    ),
    (
        "course-library/COMP2211/COMP2211-2024-spring-final/paper.pdf",
        "(COMP2211)[2024](s)final~=igk5mmg^_90365.pdf",
    ),
    (
        "course-library/COMP2211/COMP2211-2024-spring-final/answer.pdf",
        "(COMP2211)[2024](s)final~=igk5mmg^_58857.pdf",
    ),
]

PAPERS_DIR = (
    Path(__file__).parent.parent
    / "pastpaper-scraper"
    / "papers"
    / "COMP2211"
)


def main() -> None:
    from app.services.supabase_client import get_supabase

    sb = get_supabase()
    bucket = sb.storage.from_("papers")

    ok = 0
    skipped = 0
    failed = 0

    for storage_path, local_name in MANIFEST:
        local_file = PAPERS_DIR / local_name
        if not local_file.exists():
            print(f"  MISSING local file: {local_name}")
            failed += 1
            continue

        data = local_file.read_bytes()
        try:
            bucket.upload(
                storage_path,
                data,
                file_options={"content-type": "application/pdf", "upsert": "true"},
            )
            print(f"  OK  {storage_path}")
            ok += 1
        except Exception as exc:
            print(f"  ERR {storage_path}: {exc}")
            failed += 1

    print(f"\nDone: {ok} uploaded, {skipped} skipped, {failed} failed.")


if __name__ == "__main__":
    main()