package log

import (
	"context"
	"log/slog"
	"os"

	"go.opentelemetry.io/contrib/bridges/otelslog"
)

func NewLogPropagator() *slog.Logger {
	return slog.New(&logHandler{
		console: slog.NewTextHandler(os.Stdout, &slog.HandlerOptions{}),
		otel:    otelslog.NewHandler("spend-sparrow"),
	})
}

type logHandler struct {
	console slog.Handler
	otel    slog.Handler
}

// Enabled implements slog.Handler.
func (l *logHandler) Enabled(ctx context.Context, level slog.Level) bool {
	return l.console.Enabled(ctx, level)
}

// Handle implements slog.Handler.
func (l *logHandler) Handle(ctx context.Context, rec slog.Record) error {
	if err := l.console.Handle(ctx, rec); err != nil {
		return err
	}
	return l.otel.Handle(ctx, rec)
}

// WithAttrs implements slog.Handler.
func (l *logHandler) WithAttrs(attrs []slog.Attr) slog.Handler {
	return &logHandler{
		console: l.console.WithAttrs(attrs),
		otel:    l.otel.WithAttrs(attrs),
	}
}

// WithGroup implements slog.Handler.
func (l *logHandler) WithGroup(name string) slog.Handler {
	return &logHandler{
		console: l.console.WithGroup(name),
		otel:    l.otel.WithGroup(name),
	}
}