import sqlite3, json, collections, sys

db = r'C:\Users\Susana\AppData\Local\Omika\omika.db'
con = sqlite3.connect(db)
cur = con.cursor()
tables = [r[0] for r in cur.execute("SELECT name FROM sqlite_master WHERE type='table' ORDER BY name")]
print('TABLES:', tables)
for t in ['RendezVous', 'Client', 'Collaborateur', 'Dossier', 'SuiviTemps', 'Intervention', 'Site']:
    try:
        n = cur.execute('SELECT COUNT(*) FROM "%s"' % t).fetchone()[0]
        print('%s: %d rows' % (t, n))
    except Exception as e:
        print('%s: ERR %s' % (t, e))
print()
rows = cur.execute('SELECT Id, PayloadJson, UpdatedAtUtc FROM RendezVous LIMIT 2').fetchall()
print('SAMPLE RendezVous rows:')
for r in rows:
    print(' Id=', r[0], 'Updated=', r[2])
    print(' Payload=', r[1][:500])
print()
dates = []
parse_errors = 0
for (Id, PayloadJson, UpdatedAtUtc) in cur.execute('SELECT Id, PayloadJson, UpdatedAtUtc FROM RendezVous'):
    try:
        d = json.loads(PayloadJson)
        dates.append((d.get('Debut'), d.get('Fin'), d.get('Titre')))
    except Exception as e:
        parse_errors += 1
        dates.append(('PARSE_ERR:' + str(e), None, None))
print('TOTAL RendezVous payloads:', len(dates), 'parse_errors:', parse_errors)
if dates:
    counts = collections.Counter((x[0] or 'None')[:10] for x in dates)
    print('Debut distribution (date prefix):', dict(sorted(counts.items())))
    valid = [x[0] for x in dates if isinstance(x[0], str)]
    if valid:
        print('Min Debut:', min(valid))
        print('Max Debut:', max(valid))
    print('Sample entries:')
    for x in dates[:15]:
        print(' ', x)
con.close()