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

_logger = logging.getLogger(__name__)

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):
        # Always allow sync if bypass flag is set
        if self._context.get('skip_expense_lock'):
            # Force the refresh by ensuring 'amount' is in fields
            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'}
            
            # SURGICAL BYPASS:
            # We call the base 'account.payment' method directly, skipping the 'hr_expense' override 
            # that raises the UserError.
            from odoo.addons.account.models.account_payment import AccountPayment as AccountPaymentBase
            return AccountPaymentBase._synchronize_to_moves(self, changed_fields)
        
        # Trigger deduction sync for manual edits (write) if not locked
        if 'deduction_line_ids' in changed_fields or 'amount_substract' in changed_fields:
            if not self.expense_sheet_id:
                if 'amount' not in changed_fields:
                    changed_fields = set(changed_fields) | {'amount'}

        return super()._synchronize_to_moves(changed_fields)

    def _synchronize_from_moves(self, changed_fields):
        if self._context.get('skip_expense_lock'):
            from odoo.addons.account.models.account_payment import AccountPayment as AccountPaymentBase
            return AccountPaymentBase._synchronize_from_moves(self, changed_fields)
        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