package main

import (
	"log"
	"net/http"
	"os"
	"time"
)

func main() {
	addr := envOr("LISTEN_ADDR", ":8084")
	handler, err := newHandler(
		envOr("CORE_RUNTIME_URL", "http://core-runtime:8080"),
		envOr("CONTINUITY_RUNTIME_URL", "http://continuity-runtime:8081"),
		envOr("COMMIT_RUNTIME_URL", "http://commit-runtime:8082"),
		// Core chat may spend several seconds on semantic interpretation and
		// local cognition. Keep the browser gateway alive long enough to return
		// the completed response instead of converting a successful core 201
		// into a misleading 502.
		// A cold local model may need more than one short HTTP round-trip to
		// load on CPU. Keep the browser gateway aligned with the cognition
		// deadline instead of turning that wait into a false unavailable reply.
		&http.Client{Timeout: 90 * time.Second},
		envOr("COGNITIVE_RUNTIME_URL", "http://cognitive-worker:8083"),
		envOr("AGENT_WORKER_URL", "http://agent-worker:8090"),
	)
	if err != nil {
		log.Fatal(err)
	}
	server := &http.Server{
		Addr:              addr,
		Handler:           handler,
		ReadHeaderTimeout: 5 * time.Second,
		IdleTimeout:       60 * time.Second,
	}
	log.Printf("creator-web listening on %s", addr)
	if err := server.ListenAndServe(); err != nil {
		log.Fatal(err)
	}
}

func envOr(name, fallback string) string {
	if value := os.Getenv(name); value != "" {
		return value
	}
	return fallback
}