import sqlite3
import shutil
from datetime import datetime

db_path = '/opt/jetson-counter/jetson_counter.db'

# 1. Backup database
backup_path = f'/opt/jetson-counter/jetson_counter.db.bak_{datetime.now().strftime("%Y%m%d_%H%M%S")}'
shutil.copy2(db_path, backup_path)
print(f"Backup created at: {backup_path}")

conn = sqlite3.connect(db_path)
cur = conn.cursor()

# Batches to merge: 28 to 35 on 2026-08-20
# IDs: 1552 (b28: 6), 1553 (b29: 14), 1554 (b30: 19), 1555 (b31: 27),
#      1556 (b32: 44), 1557 (b33: 44), 1558 (b34: 42), 1559 (b35: 411)
# Total count = 6 + 14 + 19 + 27 + 44 + 44 + 42 + 411 = 607
# Start time = 2026-08-20T21:09:35.192219 (from batch 28)
# End time   = 2026-08-20T22:00:29.667740 (from batch 35)

# Step A: Update Batch #28 (id 1552) to contain merged total
cur.execute('''
    UPDATE batches
    SET count = 607,
        start_time = '2026-08-20T21:09:35.192219',
        end_time = '2026-08-20T22:00:29.667740'
    WHERE id = 1552
''')

# Step B: Delete merged batches 29..35 (ids 1553..1559)
cur.execute('''
    DELETE FROM batches
    WHERE id IN (1553, 1554, 1555, 1556, 1557, 1558, 1559)
''')

# Step C: Shift Batch #36 (id 1560) and any subsequent batches down by 7
# (Batch 36 becomes Batch 29)
cur.execute('''
    SELECT id, batch_number FROM batches
    WHERE counting_date = '2026-08-20' AND batch_number > 35
    ORDER BY batch_number ASC
''')
shift_rows = cur.fetchall()
for bid, bnum in shift_rows:
    new_bnum = bnum - 7
    cur.execute("UPDATE batches SET batch_number = ? WHERE id = ?", (new_bnum, bid))

# Step D: Recalculate daily_summaries for 2026-08-20
cur.execute('''
    SELECT SUM(count), COUNT(id)
    FROM batches
    WHERE counting_date = '2026-08-20' AND camera_name = 'CC1' AND object_label = 'karung-pakan'
''')
sum_row = cur.fetchone()
tot_count = sum_row[0] if sum_row[0] is not None else 0
tot_batches = sum_row[1] if sum_row[1] is not None else 0

cur.execute('''
    INSERT OR REPLACE INTO daily_summaries
    (counting_date, camera_name, object_label, total_count, total_batches, updated_at)
    VALUES ('2026-08-20', 'CC1', 'karung-pakan', ?, ?, CURRENT_TIMESTAMP)
''', (tot_count, tot_batches))

conn.commit()

# Verify new data around batch 27..30
cur.execute("SELECT id, batch_number, count, start_time, end_time FROM batches WHERE counting_date = '2026-08-20' AND batch_number >= 25 ORDER BY batch_number ASC")
new_rows = cur.fetchall()
print("\nAfter merge:")
for r in new_rows:
    print(r)

cur.execute("SELECT * FROM daily_summaries WHERE counting_date = '2026-08-20'")
print("\nDaily Summary:", cur.fetchall())

conn.close()