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

_logger = logging.getLogger(__name__)


class PosOrder(models.Model):
    _inherit = 'pos.order'

    is_online_order = fields.Boolean(
        string='Online Order',
        default=False,
        help='Indicates this order came from the website shop'
    )
    online_order_status = fields.Selection([
        ('pending', 'Pending'),
        ('confirmed', 'Confirmed'),
        ('rejected', 'Rejected'),
    ], string='Online Order Status', default='pending')

    sale_order_id = fields.Many2one(
        'sale.order', string='Source Sale Order',
        help='The website sale order that generated this POS order'
    )
    online_customer_name = fields.Char(
        string='Online Customer',
        compute='_compute_online_customer_name', store=True
    )
    online_order_date = fields.Datetime(
        string='Online Order Date',
        default=fields.Datetime.now
    )

    # Note: order_source and fulfilment_type fields are defined in dine360_order_channels
    # dine360_online_orders just uses these fields

    @api.depends('partner_id', 'partner_id.name')
    def _compute_online_customer_name(self):
        for order in self:
            order.online_customer_name = order.partner_id.name or 'Guest'

    def action_confirm_online_order(self):
        """Cashier confirms the online order → sends to KDS"""
        self.ensure_one()
        self.write({'online_order_status': 'confirmed'})

        # Set all order lines to 'waiting' so KDS picks them up
        for line in self.lines:
            if line.product_id.is_kitchen_item and line.product_id.type != 'service':
                line.write({
                    'preparation_status': 'waiting',
                })

        # Notify KDS
        self.lines.filtered(
            lambda l: l.product_id.is_kitchen_item and l.product_id.type != 'service'
        )._notify_kds()

        # Notify POS that order was confirmed
        if self.config_id:
            channel = "online_orders_%s" % self.config_id.id
            self.env['bus.bus']._sendone(channel, 'online_order_confirmed', {
                'order_id': self.id,
                'order_name': self.pos_reference or self.name,
            })

        _logger.info("Online order %s confirmed and sent to KDS", self.name)
        return True

    def action_reject_online_order(self):
        """Cashier rejects the online order"""
        self.ensure_one()
        self.write({'online_order_status': 'rejected'})

        # Notify POS
        if self.config_id:
            channel = "online_orders_%s" % self.config_id.id
            self.env['bus.bus']._sendone(channel, 'online_order_rejected', {
                'order_id': self.id,
                'order_name': self.pos_reference or self.name,
            })

        _logger.info("Online order %s rejected", self.name)
        return True

    @api.model_create_multi
    def create(self, vals_list):
        for vals in vals_list:
            if 'session_id' in vals:
                session = self.env['pos.session'].browse(vals['session_id'])
                if session.config_id.is_kiosk:
                    vals['order_source'] = 'kiosk'
                    vals['fulfilment_type'] = session.config_id.kiosk_service_mode or 'pickup'
        return super().create(vals_list)

    @api.model
    def get_online_orders(self, config_id):
        """Fetch pending online orders for a specific POS config"""
        domain = [
            ('is_online_order', '=', True),
            ('online_order_status', '=', 'pending'),
            ('config_id', '=', config_id),
        ]
        orders = self.search(domain, order='online_order_date desc')

        result = []
        for order in orders:
            lines = []
            for line in order.lines:
                lines.append({
                    'id': line.id,
                    'product_name': line.full_product_name or line.product_id.name,
                    'qty': line.qty,
                    'price_unit': line.price_unit,
                    'price_subtotal_incl': line.price_subtotal_incl,
                    'customer_note': line.customer_note or '',
                    'is_kitchen_item': line.product_id.is_kitchen_item,
                })

            result.append({
                'id': order.id,
                'name': order.pos_reference or order.name,
                'partner_name': order.partner_id.name or 'Guest',
                'partner_phone': order.partner_id.phone or order.partner_id.mobile or '',
                'amount_total': order.amount_total,
                'date_order': order.date_order.isoformat() if order.date_order else '',
                'sale_order_name': order.sale_order_id.name if order.sale_order_id else '',
                'service_mode': order.fulfilment_type,
                'order_source': order.order_source,
                'note': order.note or '',
                'lines': lines,
            })

        return result