"""Bank reconciliation data adapter.

Routes bank-rec data lookups across:
- FUSION:    fusion.bank.rec.widget (added by fusion_accounting_bank_rec, Phase 1)
- ENTERPRISE: account_accountant's bank_rec_widget JS service
- COMMUNITY: pure search on account.bank.statement.line
"""

from .base import DataAdapter
from ._registry import register_adapter


class BankRecAdapter(DataAdapter):
    FUSION_MODEL = 'fusion.bank.rec.widget'
    ENTERPRISE_MODULE = 'account_accountant'

    def list_unreconciled(self, journal_id, limit=100):
        """Return unreconciled bank statement lines for a journal."""
        return self._dispatch('list_unreconciled', journal_id=journal_id, limit=limit)

    def list_unreconciled_via_fusion(self, journal_id, limit=100):
        # Phase 1 will add fusion.bank.rec.widget; this method becomes the primary path.
        # For now: even when the model exists, delegate to community read shape.
        return self.list_unreconciled_via_community(journal_id=journal_id, limit=limit)

    def list_unreconciled_via_enterprise(self, journal_id, limit=100):
        # Enterprise's bank rec uses a JS-side service; from Python the cleanest
        # backend access is the same Community search (the data lives in
        # account.bank.statement.line either way). This adapter's purpose is
        # to expose a stable shape to AI tools regardless of which UI the user has.
        return self.list_unreconciled_via_community(journal_id=journal_id, limit=limit)

    def list_unreconciled_via_community(self, journal_id, limit=100):
        Line = self.env['account.bank.statement.line'].sudo()
        records = Line.search([
            ('journal_id', '=', journal_id),
            ('is_reconciled', '=', False),
        ], limit=limit, order='date desc, id desc')
        return [
            {
                'id': r.id,
                'date': r.date,
                'payment_ref': r.payment_ref,
                'amount': r.amount,
                'partner_id': r.partner_id.id if r.partner_id else None,
                'partner_name': r.partner_id.name if r.partner_id else None,
                'currency_id': r.currency_id.id if r.currency_id else None,
            }
            for r in records
        ]


register_adapter('bank_rec', BankRecAdapter)