"""Print a one-row-per-metrics-file summary table.

Lives as a standalone script (rather than inline `python -c "..."` in
run_all.sh) because bash `eval` mangles f-strings that contain double-quoted
literals like `f'{"Model":<25}'`.
"""

import argparse
import glob
import json
import os


def main():
    parser = argparse.ArgumentParser()
    parser.add_argument("--metrics", required=True, help="Directory with *_metrics.json files")
    args = parser.parse_args()

    files = sorted(glob.glob(os.path.join(args.metrics, "*_metrics.json")))
    if not files:
        print("No metrics files found.")
        return

    print()
    print("=" * 100)
    header = f'{"Model":<25} {"Quant":<15} {"Acc":<8} {"ΔAcc":<8} {"FFS":<8} {"ECR":<8} {"Tokens":<10} {"Error Types"}'
    print(header)
    print("-" * 100)

    for f in files:
        with open(f) as fp:
            m = json.load(fp)

        model = m.get("model", "?")[:24]
        quant = m.get("quantization", "?")[:14]
        acc = f"{m.get('accuracy', 0):.1%}"
        delta = f"{m.get('accuracy_delta', 0):+.1%}"
        ffs = f"{m.get('avg_ffs', 0):.1f}"
        ecr = f"{m.get('ecr', 0):.1%}"
        tokens = f"{m.get('avg_token_count', 0):.0f}"

        dist = m.get("error_type_dist", {})
        err_str = ", ".join(f"{k[:4]}:{v:.0%}" for k, v in dist.items())

        print(f"{model:<25} {quant:<15} {acc:<8} {delta:<8} {ffs:<8} {ecr:<8} {tokens:<10} {err_str}")

    print("=" * 100)


if __name__ == "__main__":
    main()