from odoo import models, fields, api, _
import logging

_logger = logging.getLogger(__name__)


class SaleOrderOnline(models.Model):
    _inherit = 'sale.order'

    pos_order_id = fields.Many2one(
        'pos.order', string='POS Order',
        help='The POS order created from this website sale order'
    )

    # order_source is now canonical field from dine360_order_channels (pos.order)
    # We add it to sale.order for tracking which channel the web sale originated from
    order_source = fields.Selection([
        ('online', 'Online'),
        ('phone', 'Phone'),
        ('whatsapp', 'WhatsApp'),
        ('social_media', 'Social Media'),
        ('in_person', 'In-Person (Walk-in/Dine-in)'),
        ('kiosk', 'Store Self-Order (Kiosk)'),
        ('party_order', 'Party Order'),
        ('platform_integration', 'Platform Integration (3rd Party)'),
    ], string='Order Source', default='online', tracking=True)

    fulfilment_type = fields.Selection([
        ('pickup', 'Pickup'),
        ('delivery', 'Delivery'),
        ('dine_in', 'Dine-In'),
        ('walk_in', 'Walk-In'),
    ], string='Fulfillment Type', default='pickup', tracking=True)

    payment_option = fields.Selection([
        ('in_store', 'In Store'),
        ('terminal_in_store', 'Payment Terminal (In Store)'),
        ('terminal_customer', 'Payment Terminal (Customer Place)'),
        ('online_gateway', 'Online Payment Gateway'),
        ('cash', 'Cash'),
        ('interac', 'Interac'),
    ], string='Payment Option', tracking=True)

    telephone_number = fields.Char('Telephone Number')

    reservation_source = fields.Selection([
        ('online', 'Online'),
        ('phone', 'Phone'),
        ('staff', 'Staff'),
    ], string='Reservation Source', tracking=True)

    reservation_status = fields.Selection([
        ('draft', 'Request Received'),
        ('confirmed', 'Confirmed'),
        ('arrived', 'Arrived'),
        ('seated', 'Seated'),
        ('cancelled', 'Cancelled'),
    ], string='Reservation Status', default='draft', tracking=True)

    def _create_pos_order_for_kds(self, sale_order):
        """
        Override from dine360_kds to also mark the POS order as an online order.
        This method is called by dine360_kds.website_sale_integration when a 
        website sale order is confirmed.
        """
        # Let the parent create the POS order
        super(SaleOrderOnline, self)._create_pos_order_for_kds(sale_order)

        # Now find the POS order that was just created and mark it
        # We look for the most recent POS order linked to this sale order's partner
        # with the note containing the sale order name
        PosOrder = self.env['pos.order']
        pos_order = PosOrder.search([
            ('note', 'like', sale_order.name),
        ], order='id desc', limit=1)

        if pos_order:
            pos_order.write({
                'is_online_order': True,
                'online_order_status': 'pending',
                'sale_order_id': sale_order.id,
                'online_order_date': fields.Datetime.now(),
                'order_source': sale_order.order_source or 'online',
                'fulfilment_type': sale_order.fulfilment_type or 'pickup',
            })

            # Link back to sale order
            sale_order.write({'pos_order_id': pos_order.id})

            # Set all lines to a "hold" state - they will go to KDS only when cashier confirms
            for line in pos_order.lines:
                if line.product_id.is_kitchen_item:
                    line.write({'preparation_status': 'waiting'})

            # Send bus notification to POS
            if pos_order.config_id:
                channel = "online_orders_%s" % pos_order.config_id.id
                self.env['bus.bus']._sendone(channel, 'new_online_order', {
                    'order_id': pos_order.id,
                    'order_name': pos_order.pos_reference or pos_order.name,
                    'customer_name': sale_order.partner_id.name or 'Guest',
                    'amount_total': pos_order.amount_total,
                    'items_count': len(pos_order.lines),
                })

            _logger.info(
                "Marked POS Order %s as online order from Sale Order %s",
                pos_order.name, sale_order.name
            )