package memory

import (
	"context"
	"io"
	"log/slog"
	"testing"

	"git.yeij.top/AskaEth/Cyrene_v2/internal/db"
)

// testLogger returns a logger that writes nowhere, keeping test output clean.
func testLogger() *slog.Logger {
	return slog.New(slog.NewTextHandler(io.Discard, nil))
}

// newTestStore opens an isolated in-memory SQLite DB and builds a Store over it.
// Each call owns a private DB, so parallel tests are isolated by construction.
func newTestStore(t *testing.T) *Store {
	t.Helper()
	ctx := context.Background()
	d, err := db.Open(ctx, ":memory:", testLogger())
	if err != nil {
		t.Fatalf("open in-memory db: %v", err)
	}
	t.Cleanup(func() { _ = d.Close() })

	s, err := NewStore(ctx, d, testLogger())
	if err != nil {
		t.Fatalf("NewStore: %v", err)
	}
	return s
}

// baseItem is a minimal valid memory item for tests.
func baseItem() MemoryItem {
	return MemoryItem{
		PersonaID:  "persona.a",
		RoleID:     "role.1",
		Scope:      ScopePersona,
		Kind:       KindRelationship,
		Content:    "她喜欢喝冰美式",
		Tags:       []string{"habit", "coffee"},
		Confidence: 0.9,
	}
}