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


class AccountMove(models.Model):
    _inherit = "account.move"

    def button_draft(self):
        if self.is_move_sent and self.journal_id.prevent_reset_to_draft_sent_invoice:
            raise UserError(
                _(
                    "You cannot reset to draft this invoice because it "
                    "has been sent by email."
                )
            )
        return super().button_draft()

    @api.ondelete(at_uninstall=False)
    def _check_posted(self):
        """
        Prevent deletion of an account move if it has already been posted and journal
        parameter prevent_deletion_of_posted_account_move is activated.
        """
        for rec in self:
            if (
                rec.posted_before
                and rec.journal_id.prevent_deletion_of_posted_account_move
            ):
                raise UserError(
                    _(
                        "You cannot delete this account move because it "
                        "has already been posted."
                    )
                )