import re
from odoo import api, SUPERUSER_ID

env = api.Environment(cr, SUPERUSER_ID, {})

# The pattern Odoo core uses: re.search('([0-9-]){14,}', order.pos_reference).group(0)
# It needs at least 14 consecutive digits or hyphens, e.g. "00001-001-0001"
PATTERN = re.compile(r'([0-9-]){14,}')

print("=" * 60)
print("Scanning ALL pos.orders for bad pos_reference values...")
print("=" * 60)

# Find all orders that are in an open session (these are the ones loaded on POS open)
open_sessions = env['pos.session'].search([('state', '=', 'opened')])
print(f"Open sessions found: {open_sessions.mapped('name')}")

bad_orders = []
all_orders = env['pos.order'].search([('session_id', 'in', open_sessions.ids)])
print(f"Total orders in open sessions: {len(all_orders)}")

for order in all_orders:
    ref = order.pos_reference or ''
    if not PATTERN.search(ref):
        bad_orders.append(order)
        print(f"  BAD ORDER id={order.id}, pos_reference='{ref}', name='{order.name}'")

print(f"\nTotal bad orders found: {len(bad_orders)}")

if bad_orders:
    print("\nOptions:")
    print("  1. DELETE bad orders")
    print("  2. FIX pos_reference to a valid format")
    print("\nApplying FIX: setting pos_reference to valid format...")
    
    for order in bad_orders:
        old_ref = order.pos_reference
        # Generate a valid reference using the order ID padded to match the format
        new_ref = f"Order {order.id:05d}-001-0001"
        order.write({'pos_reference': new_ref})
        print(f"  Fixed order id={order.id}: '{old_ref}' -> '{new_ref}'")
    
    print(f"\nFixed {len(bad_orders)} orders.")
    print("Please restart the POS session and try again.")
else:
    print("\nNo bad orders in open sessions. Checking ALL orders...")
    
    # Also check orders not in any session (orphan orders)
    all_pos_orders = env['pos.order'].search([])
    print(f"Total pos.orders in database: {len(all_pos_orders)}")
    
    really_bad = []
    for order in all_pos_orders:
        ref = order.pos_reference or ''
        if not PATTERN.search(ref):
            really_bad.append(order)
            print(f"  BAD ORDER id={order.id}, pos_reference='{ref}', session={order.session_id.name}, state={order.state}")
    
    print(f"\nTotal bad orders in entire DB: {len(really_bad)}")
    if really_bad:
        for order in really_bad:
            old_ref = order.pos_reference
            new_ref = f"Order {order.id:05d}-001-0001"
            order.write({'pos_reference': new_ref})
            print(f"  Fixed id={order.id}: '{old_ref}' -> '{new_ref}'")
        print(f"\nFixed {len(really_bad)} orders. Try opening POS again.")
    else:
        print("\nAll pos_references look valid!")
        print("The error might be from a DIFFERENT cause.")
        print("Check: is the pricelist_id or sequence_id returning None?")