# -*- coding: utf-8 -*-
# Copyright 2024-2025 Nexa Systems Inc.
# License OPL-1 (Odoo Proprietary License v1.0)
# Part of the Fusion Claim Assistant product family.

import binascii

from odoo import fields, http, _
from odoo.exceptions import AccessError, MissingError
from odoo.http import request
from odoo.addons.sale.controllers.portal import CustomerPortal


class FusionCustomerPortal(CustomerPortal):

    def _is_adp_order(self, order_sudo):
        return (
            hasattr(order_sudo, '_is_adp_sale')
            and order_sudo._is_adp_sale()
        )

    def _is_adp_reg(self, order_sudo):
        return self._is_adp_order(order_sudo) and order_sudo.x_fc_client_type == 'REG'

    def _get_adp_payable(self, order_sudo):
        if self._is_adp_reg(order_sudo):
            return order_sudo.x_fc_client_portion_total or 0
        return order_sudo.amount_total

    # ------------------------------------------------------------------
    # View Details: render ADP landscape report for ADP orders
    # ------------------------------------------------------------------
    @http.route()
    def portal_order_page(
        self, order_id, report_type=None, access_token=None,
        message=False, download=False, payment_amount=None,
        amount_selection=None, **kw
    ):
        if report_type in ('html', 'pdf', 'text'):
            try:
                order_sudo = self._document_check_access(
                    'sale.order', order_id, access_token=access_token,
                )
            except (AccessError, MissingError):
                return request.redirect('/my')

            if self._is_adp_order(order_sudo):
                return self._show_report(
                    model=order_sudo,
                    report_type=report_type,
                    report_ref='fusion_claims.action_report_saleorder_landscape',
                    download=download,
                )

        return super().portal_order_page(
            order_id,
            report_type=report_type,
            access_token=access_token,
            message=message,
            download=download,
            payment_amount=payment_amount,
            amount_selection=amount_selection,
            **kw,
        )

    # ------------------------------------------------------------------
    # Payment amount overrides
    # ------------------------------------------------------------------
    def _determine_is_down_payment(self, order_sudo, amount_selection, payment_amount):
        if self._is_adp_reg(order_sudo):
            payable = self._get_adp_payable(order_sudo)
            if amount_selection == 'down_payment':
                return True
            elif amount_selection == 'full_amount':
                return False
            return (
                order_sudo.prepayment_percent < 1.0 if payment_amount is None
                else payment_amount < payable
            )
        return super()._determine_is_down_payment(order_sudo, amount_selection, payment_amount)

    def _get_payment_values(self, order_sudo, is_down_payment=False, payment_amount=None, **kwargs):
        values = super()._get_payment_values(
            order_sudo,
            is_down_payment=is_down_payment,
            payment_amount=payment_amount,
            **kwargs,
        )
        if not self._is_adp_reg(order_sudo):
            return values

        client_portion = self._get_adp_payable(order_sudo)
        if client_portion <= 0:
            return values

        current_amount = values.get('amount', 0)
        if current_amount > client_portion:
            values['amount'] = order_sudo.currency_id.round(client_portion)
        return values

    # ------------------------------------------------------------------
    # Signature: attach ADP report instead of default Odoo quotation
    # ------------------------------------------------------------------
    @http.route()
    def portal_quote_accept(self, order_id, access_token=None, name=None, signature=None):
        access_token = access_token or request.httprequest.args.get('access_token')
        try:
            order_sudo = self._document_check_access('sale.order', order_id, access_token=access_token)
        except (AccessError, MissingError):
            return {'error': _('Invalid order.')}

        if not order_sudo._has_to_be_signed():
            return {'error': _('The order is not in a state requiring customer signature.')}
        if not signature:
            return {'error': _('Signature is missing.')}

        try:
            order_sudo.write({
                'signed_by': name,
                'signed_on': fields.Datetime.now(),
                'signature': signature,
            })
            request.env.cr.flush()
        except (TypeError, binascii.Error):
            return {'error': _('Invalid signature data.')}

        if not order_sudo._has_to_be_paid():
            order_sudo._validate_order()

        if self._is_adp_order(order_sudo):
            report_ref = 'fusion_claims.action_report_saleorder_landscape'
        else:
            report_ref = 'sale.action_report_saleorder'

        pdf = request.env['ir.actions.report'].sudo()._render_qweb_pdf(
            report_ref, [order_sudo.id]
        )[0]

        order_sudo.message_post(
            attachments=[('%s.pdf' % order_sudo.name, pdf)],
            author_id=(
                order_sudo.partner_id.id
                if request.env.user._is_public()
                else request.env.user.partner_id.id
            ),
            body=_('Order signed by %s', name),
            message_type='comment',
            subtype_xmlid='mail.mt_comment',
        )

        query_string = '&message=sign_ok'
        if order_sudo._has_to_be_paid():
            query_string += '&allow_payment=yes'
        return {
            'force_refresh': True,
            'redirect_url': order_sudo.get_portal_url(query_string=query_string),
        }