package logging

import (
	"context"

	"github.com/google/uuid"
)

// WorkerContext creates a context with trace and request IDs for background work.
// Workers and cron jobs don't receive HTTP requests, so they need to generate
// their own correlation IDs for log tracing.
//
// Usage:
//
//	func (w *Worker) ProcessJob(ctx context.Context, job Job) error {
//	    ctx = logging.WorkerContext(ctx, "order-processor")
//	    logger := logging.FromContext(ctx)
//	    logger.Info("processing job", "job_id", job.ID)
//	    // ... all downstream logs include trace_id and request_id
//	}
func WorkerContext(ctx context.Context, component string) context.Context {
	traceID := uuid.New().String()
	requestID := uuid.New().String()

	ctx = WithTraceID(ctx, traceID)
	ctx = WithRequestID(ctx, requestID)

	// If there's a logger in context, enrich it
	logger := FromContext(ctx)
	enriched := logger.With(
		"trace_id", traceID,
		"request_id", requestID,
		"component", component,
	)

	return NewContext(ctx, enriched)
}