#!/usr/bin/env python3
"""Listet je Backup, wie viele Schlagwörter/Budget-Vorlagen/kategorisierte
Buchungen darin stecken. So sieht man, welches Backup noch heil ist."""
import glob, os, sqlite3, sys

muster = sys.argv[1] if len(sys.argv) > 1 else "/var/lib/certain-finance/backups/*.db"
print(f"{'Datei':<34}{'Schlagw.':>9}{'Budget':>8}{'Buch.m.Kat':>12}")
for f in sorted(glob.glob(muster)):
    try:
        con = sqlite3.connect(f"file:{f}?mode=ro", uri=True)
        def z(sql):
            try:
                return con.execute(sql).fetchone()[0]
            except sqlite3.Error:
                return "-"
        print(f"{os.path.basename(f):<34}"
              f"{z('SELECT COUNT(*) FROM categorization_rules'):>9}"
              f"{z('SELECT COUNT(*) FROM budget_template_lines'):>8}"
              f"{z('SELECT COUNT(*) FROM transactions WHERE category_id IS NOT NULL'):>12}")
        con.close()
    except Exception as e:
        print(f"{os.path.basename(f):<34}  Fehler: {e}")