import csv
import re

with open("./fs_events/FSE_Reports/All_FSEVENTS.tsv", "r") as f:  # update path
    reader = csv.DictReader(f, delimiter="\t")
    rows = [
        r["fullpath"] for r in reader
        if r["fullpath"].startswith("keys/key_") and r["fullpath"].endswith(".txt")
    ]

rows.sort()  # sort by name to ensure order

for i in range(len(rows) - 1):
    current = int(re.search(r'key_(\d+)', rows[i]).group(1))
    next_   = int(re.search(r'key_(\d+)', rows[i+1]).group(1))
    if next_ != current + 1:
        print(f"GAP: {rows[i]} -> {rows[i+1]}  (expected key_{current+1:06d}, got key_{next_:06d})")

print("Done.")