package wing

import (
	"fmt"

	"github.com/mathiasbq/hyperguild/ingestion/internal/classification"
)

// NewConfiguredResolver builds the production Resolver for a brain: Known from
// the wiki, Eligible from classification.yaml (a wing is auto-assignable only
// when it classifies below Confidential, so an untagged wing never is), the
// LLM classifier over complete, and BM25 over the known wings as the scorer.
//
// Known is read once. A wing created later is unknown to this Resolver until
// the process restarts, which fails safe: notes aimed at it are parked.
func NewConfiguredResolver(brainDir string, complete CompleteFunc, threshold float64) (*Resolver, error) {
	known, err := KnownWings(brainDir)
	if err != nil {
		return nil, err
	}
	cls, err := classification.Load(brainDir)
	if err != nil {
		return nil, fmt.Errorf("load classification: %w", err)
	}
	return &Resolver{
		Known:      known,
		Eligible:   func(w string) bool { return cls.Wing(w) < classification.Confidential },
		Classifier: NewLLMClassifier(complete),
		Scorer:     NewBM25Scorer(brainDir, known, ""),
		Threshold:  threshold,
	}, nil
}