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

import logging

_logger = logging.getLogger(__name__)


def post_init_hook(env):
    """Wire reports onto mail templates + clean up double-attach flags.

    Both the mail-template and fp.notification.template XML records
    are tagged noupdate="1" so user customizations aren't overwritten
    on module update. This hook runs once to:

    1. Point report_template_ids at the current branded reports.
    2. Turn off attach_quotation / attach_sale_order / attach_invoice
       flags on fp.notification.template — those would duplicate the
       PDF that's now auto-attached via the mail template's
       report_template_ids.
    """
    # 1. Attach correct reports to mail templates
    _apply_report_template(
        env,
        'fusion_plating_notifications.fp_mail_template_quote_sent',
        'fusion_plating_reports.action_report_fp_sale_portrait',
    )
    _apply_report_template(
        env,
        'fusion_plating_notifications.fp_mail_template_so_confirmed',
        'fusion_plating_reports.action_report_fp_sale_portrait',
    )
    _apply_report_template(
        env,
        'fusion_plating_notifications.fp_mail_template_invoice_posted',
        'fusion_plating_reports.action_report_fp_invoice_portrait',
    )

    # 2. Clear duplicate-attach flags on the auto-dispatch records.
    #    The PDF is already auto-attached by the mail.template's
    #    report_template_ids; leaving these flags on produces 2 PDFs.
    for xmlid, flags in [
        ('fusion_plating_notifications.fp_notif_quote_sent',
         {'attach_quotation': False}),
        ('fusion_plating_notifications.fp_notif_so_confirmed',
         {'attach_sale_order': False}),
        ('fusion_plating_notifications.fp_notif_invoice_posted',
         {'attach_invoice': False}),
    ]:
        rec = env.ref(xmlid, raise_if_not_found=False)
        if not rec:
            continue
        needs_write = any(rec[k] != v for k, v in flags.items())
        if needs_write:
            rec.write(flags)
            _logger.info(
                'fusion_plating_notifications: cleared duplicate-attach '
                'flags on %s (%s)', xmlid, flags,
            )


def _apply_report_template(env, mail_template_xmlid, report_xmlid):
    """Replace the template's report_template_ids with exactly [report].

    We use `set` semantics (replace all) rather than `add` so that old
    attachments from previous refactors get cleaned up — e.g. when the
    Acknowledgement report was consolidated into the Sales Order report,
    the now-stale Acknowledgement reference gets removed here.
    """
    mail_template = env.ref(mail_template_xmlid, raise_if_not_found=False)
    report = env.ref(report_xmlid, raise_if_not_found=False)
    if not mail_template or not report:
        _logger.warning(
            'fusion_plating_notifications post_init: missing %s or %s',
            mail_template_xmlid, report_xmlid,
        )
        return
    current_ids = set(mail_template.report_template_ids.ids)
    if current_ids != {report.id}:
        mail_template.write({
            'report_template_ids': [(6, 0, [report.id])],
        })
        _logger.info(
            'fusion_plating_notifications: set report %s on template %s',
            report_xmlid, mail_template_xmlid,
        )