from odoo import fields, models, api, _
from odoo.exceptions import UserError

class AccountPayment(models.Model):
    _inherit = 'account.payment'

    realization_id = fields.Many2one('hr.expense.realization', string='Originating Realization', readonly=True)

    def action_post(self):
        """
        Confirmation bypass. Calls standard post with skip flag.
        """
        return super(AccountPayment, self.with_context(skip_expense_lock=True)).action_post()

    def _synchronize_to_moves(self, changed_fields):
        # Force the refresh by ensuring 'amount' is in fields if deductions are involved
        if 'deduction_line_ids' in changed_fields or 'amount_substract' in changed_fields:
            if 'amount' not in changed_fields:
                changed_fields = set(changed_fields) | {'amount'}

        # BYPASS LOGIC: Temporarily disconnect to skip hr_expense UserError while keeping other logic
        if self._context.get('skip_expense_lock'):
            # Store original values
            links = {p.id: p.expense_sheet_id.id for p in self if p.expense_sheet_id}
            
            if links:
                # Use direct SQL to bypass cache and re-fetching issues
                self.env.cr.execute("UPDATE account_payment SET expense_sheet_id = NULL WHERE id IN %s", [tuple(links.keys())])
                self.invalidate_recordset(['expense_sheet_id'])
                
                try:
                    # This now correctly calls all modules in the MRO, including vendor_payment_diff_amount
                    return super()._synchronize_to_moves(changed_fields)
                finally:
                    # Restore the links
                    for p_id, sheet_id in links.items():
                        self.env.cr.execute("UPDATE account_payment SET expense_sheet_id = %s WHERE id = %s", [sheet_id, p_id])
                    self.invalidate_recordset(['expense_sheet_id'])
        
        return super()._synchronize_to_moves(changed_fields)

    def _synchronize_from_moves(self, changed_fields):
        if self._context.get('skip_expense_lock'):
            # Same bypass for sync back
            links = {p.id: p.expense_sheet_id.id for p in self if p.expense_sheet_id}
            if links:
                self.env.cr.execute("UPDATE account_payment SET expense_sheet_id = NULL WHERE id IN %s", [tuple(links.keys())])
                self.invalidate_recordset(['expense_sheet_id'])
                try:
                    return super()._synchronize_from_moves(changed_fields)
                finally:
                    for p_id, sheet_id in links.items():
                        self.env.cr.execute("UPDATE account_payment SET expense_sheet_id = %s WHERE id = %s", [sheet_id, p_id])
                    self.invalidate_recordset(['expense_sheet_id'])
        
        return super()._synchronize_from_moves(changed_fields)

    def write(self, vals):
        if 'deduction_line_ids' in vals or 'amount_substract' in vals:
            # Force trigger sync with bypass flag
            return super(AccountPayment, self.with_context(skip_expense_lock=True)).write(vals)
        return super().write(vals)

    def action_cancel(self):
        res = super().action_cancel()
        for payment in self:
            if payment.expense_sheet_id:
                payment.expense_sheet_id.invalidate_recordset(['state'])
            if payment.realization_id and payment.realization_id.expense_sheet_id:
                payment.realization_id.expense_sheet_id.invalidate_recordset(['state'])
        return res

    def action_draft(self):
        res = super().action_draft()
        for payment in self:
            if payment.expense_sheet_id:
                payment.expense_sheet_id.invalidate_recordset(['state'])
            if payment.realization_id and payment.realization_id.expense_sheet_id:
                payment.realization_id.expense_sheet_id.invalidate_recordset(['state'])
        return res