from odoo import fields, models, api, _
from odoo.exceptions import AccessError, UserError, ValidationError
from odoo.tools import DEFAULT_SERVER_DATETIME_FORMAT
import logging

_logger = logging.getLogger(__name__)


class SalesOrderReject(models.Model):
    _name = 'sales.order.reject'

    sale_order_id = fields.Many2one('sale.order', string='Sale Order')
    product_id = fields.Many2one('product.product', string='Product')  
    qty_reject = fields.Float(string='Qty')
    reason_reject = fields.Char(string='Reason Reject')

    def write(self, vals):
        # Check if reason_reject is being updated
        if 'reason_reject' in vals:
            for record in self:
                old_reason = record.reason_reject
                new_reason = vals['reason_reject']

                # Only post a message if the reason actually changed
                if old_reason != new_reason:
                    now = fields.Datetime.now()

                    # Create the log note for the updated reason
                    log_note = (f"<li>Product '{record.product_id.name}' rejection reason updated:</li>"
                                f"<li>From: {old_reason}</li>"
                                f"<li>To: {new_reason}</li>"
                                f"<li>Updated on: {now.strftime('%d-%m-%Y')} at {now.strftime('%H:%M:%S')}</li>")

                    # Post ke lognote
                    if record.sale_order_id:
                        record.sale_order_id.message_post(
                            body=log_note,
                            author_id=self.env.user.partner_id.id,
                        )

        # Call the original write method
        return super(SalesOrderReject, self).write(vals)