"""Reports-specific migration step.

Ensures the 4 CORE report definitions are present after migration."""

import logging

from odoo import models

_logger = logging.getLogger(__name__)


class FusionMigrationWizard(models.TransientModel):
    _inherit = "fusion.migration.wizard"

    def _reports_bootstrap_step(self):
        """Verify all 4 CORE report definitions exist."""
        Report = self.env['fusion.report'].sudo()
        expected = ['pnl', 'balance_sheet', 'trial_balance', 'general_ledger']
        present = Report.search([('report_type', 'in', expected)]).mapped('report_type')
        missing = set(expected) - set(present)
        return {
            'step': 'reports_bootstrap',
            'expected_reports': expected,
            'present_reports': list(present),
            'missing_reports': list(missing),
        }

    def action_run_migration(self):
        """Override to add reports-bootstrap step at the end of the chain."""
        result = super().action_run_migration() if hasattr(super(), 'action_run_migration') else None
        try:
            self._reports_bootstrap_step()
        except Exception as e:
            _logger.warning("reports_bootstrap_step failed: %s", e)
        return result