package main

import (
	"context"
	"net/http"

	"github.com/food-ai/backend/internal/domain/recognition"
)

// App bundles the HTTP handler with background services that need lifecycle management.
type App struct {
	handler    http.Handler
	workerPool *recognition.WorkerPool
	sseBroker  *recognition.SSEBroker
}

// ServeHTTP implements http.Handler.
func (application *App) ServeHTTP(responseWriter http.ResponseWriter, request *http.Request) {
	application.handler.ServeHTTP(responseWriter, request)
}

// Start launches the SSE broker's LISTEN loop and the worker pool goroutines.
// Call this once before the HTTP server begins accepting connections.
func (application *App) Start(applicationContext context.Context) {
	application.sseBroker.Start(applicationContext)
	application.workerPool.Start(applicationContext)
}