"""Run all eight analysis notebooks in their numbered order.

This lightweight runner is useful on systems where Jupyter/nbconvert is not
installed.  It executes the same code cells and writes figures/tables to the
top-level outputs directory.
"""

from __future__ import annotations

import json
import os
from pathlib import Path
import traceback


ROOT = Path(__file__).resolve().parent
OUTPUTS = ROOT / "outputs"
NOTEBOOKS = [
    *sorted((ROOT / "logistic" / "notebooks").glob("*.ipynb")),
    *sorted((ROOT / "bayesian" / "notebooks").glob("*.ipynb")),
]


def run_notebook(path: Path) -> None:
    try:
        import matplotlib.pyplot as plt

        plt.close("all")
    except ImportError:
        pass
    document = json.loads(path.read_text(encoding="utf-8"))
    namespace = {"__name__": "__main__", "__file__": str(path)}
    print(f"\nRUNNING {path.relative_to(ROOT)}", flush=True)
    for index, cell in enumerate(document["cells"], start=1):
        if cell.get("cell_type") != "code":
            continue
        source = "".join(cell.get("source", []))
        exec(compile(source, f"{path}:cell-{index}", "exec"), namespace)
    print(f"PASSED  {path.relative_to(ROOT)}", flush=True)


def main() -> None:
    os.environ.setdefault("MPLBACKEND", "Agg")
    os.chdir(ROOT)
    OUTPUTS.mkdir(exist_ok=True)
    failures = []
    for path in NOTEBOOKS:
        try:
            run_notebook(path)
        except Exception:
            failures.append(str(path.relative_to(ROOT)))
            traceback.print_exc()
    if failures:
        raise SystemExit("Failed notebooks: " + ", ".join(failures))
    print("\nALL NOTEBOOK WORKFLOWS PASSED", flush=True)


if __name__ == "__main__":
    main()