package audit

import (
	"context"
	"strings"

	"github.com/google/uuid"
	"github.com/zeromicro/go-zero/core/trace"
)

// EnsureTraceAndSpanID resolves the trace/span ids from go-zero's OTel
// context, generating UUID fallbacks (stored in ctx) when empty. It also
// returns the caller identity from the RequestMeta, mirroring sdf-serve.
func EnsureTraceAndSpanID(ctx context.Context) (context.Context, string, string, string, string, string) {
	traceID := trace.TraceIDFromContext(ctx)
	spanID := trace.SpanIDFromContext(ctx)

	if traceID == "" {
		traceID = strings.ReplaceAll(uuid.NewString(), "-", "")
		ctx = context.WithValue(ctx, TraceKey, traceID)
	}
	if spanID == "" {
		spanID = strings.ReplaceAll(uuid.NewString(), "-", "")
		ctx = context.WithValue(ctx, SpanKey, spanID)
	}

	requestMeta := GetRequestMeta(ctx)
	return ctx, traceID, spanID, requestMeta.UserId, requestMeta.UserName, requestMeta.ApiKey
}

// NewUUID returns a uuid string without dashes.
func NewUUID() string {
	return strings.ReplaceAll(uuid.NewString(), "-", "")
}