# -*- coding: utf-8 -*-
# Copyright 2026 Nexa Systems Inc.
# License OPL-1 (Odoo Proprietary License v1.0)
# Part of the Fusion Plating product family.

from odoo import _, api, fields, models


class FpFair(models.Model):
    """Bridge-level extension of FAIR: link to an Odoo EE sign.request.

    Installs only when the Enterprise ``sign`` module and
    ``fusion_plating_quality`` are both present. Adds a header button to
    send a FAIR for customer e-signature, stores the back-reference to
    the generated sign.request, and preserves the final signed PDF.
    """
    _inherit = 'fusion.plating.fair'

    x_fc_sign_request_id = fields.Many2one(
        'sign.request',
        string='Sign Request',
        copy=False,
        readonly=True,
        help='Odoo EE Sign request created when this FAIR was sent for '
             'customer acceptance. One sign.request per FAIR.',
    )
    x_fc_sign_request_state = fields.Selection(
        related='x_fc_sign_request_id.state',
        string='Signature State',
        readonly=True,
    )
    x_fc_signed_date = fields.Datetime(
        string='Signed On',
        copy=False,
        readonly=True,
        help='Datetime when the customer completed signing.',
    )
    x_fc_signed_by = fields.Char(
        string='Signed By',
        copy=False,
        readonly=True,
    )
    x_fc_signed_pdf_id = fields.Many2one(
        'ir.attachment',
        string='Signed PDF',
        copy=False,
        readonly=True,
        help='Final signed PDF stored as an attachment on this FAIR.',
    )

    # ==========================================================================
    # Actions
    # ==========================================================================
    def action_send_for_signature(self):
        """Open the EE sign.send.request wizard pre-filled with this FAIR.

        The wizard expects a ``default_attachment_ids`` context with the
        PDF to sign. We pass the FAIR's existing attachments (e.g. an
        AS9102 Form 3 if fusion_plating_aerospace is installed) or let
        the user upload one inside the wizard.
        """
        self.ensure_one()
        if self.state != 'approved':
            return {
                'type': 'ir.actions.client',
                'tag': 'display_notification',
                'params': {
                    'title': _('FAIR not approved'),
                    'message': _(
                        'Only approved FAIRs can be sent for customer '
                        'signature. Mark the FAIR as Approved first.'
                    ),
                    'type': 'warning',
                    'sticky': False,
                },
            }

        # Gather attachments linked to this FAIR via chatter
        attachment_ids = self.env['ir.attachment'].search([
            ('res_model', '=', self._name),
            ('res_id', '=', self.id),
        ]).ids

        ctx = dict(self.env.context, default_attachment_ids=attachment_ids)
        if self.customer_id:
            ctx['default_signer_ids'] = [(0, 0, {'partner_id': self.customer_id.id})]

        return {
            'name': _('Send %s for Customer Signature') % self.name,
            'type': 'ir.actions.act_window',
            'res_model': 'sign.send.request',
            'view_mode': 'form',
            'target': 'new',
            'context': ctx,
        }

    def action_view_signed_document(self):
        """Open the signed PDF attachment in a new browser tab."""
        self.ensure_one()
        if not self.x_fc_signed_pdf_id:
            return False
        return {
            'type': 'ir.actions.act_url',
            'url': '/web/content/%s?download=true' % self.x_fc_signed_pdf_id.id,
            'target': 'new',
        }

    def action_view_sign_request(self):
        """Open the underlying sign.request record."""
        self.ensure_one()
        if not self.x_fc_sign_request_id:
            return False
        return {
            'type': 'ir.actions.act_window',
            'res_model': 'sign.request',
            'res_id': self.x_fc_sign_request_id.id,
            'view_mode': 'form',
            'target': 'current',
        }