// Basic HTTP server with routing, middleware, health checks, and graceful shutdown.
package main

import (
	"log"
	"log/slog"
	"net/http"

	"git.codelab.vc/pkg/httpx/server"
)

func main() {
	logger := slog.Default()

	r := server.NewRouter(
		server.WithNotFoundHandler(http.HandlerFunc(func(w http.ResponseWriter, _ *http.Request) {
			server.WriteError(w, http.StatusNotFound, "resource not found")
		})),
	)

	// Public endpoints.
	r.HandleFunc("GET /hello", func(w http.ResponseWriter, _ *http.Request) {
		server.WriteJSON(w, http.StatusOK, map[string]string{
			"message": "Hello, World!",
		})
	})

	// API group with shared prefix.
	api := r.Group("/api/v1")
	api.HandleFunc("GET /users/{id}", getUser)
	api.HandleFunc("POST /users", createUser)

	// Health checks.
	r.Mount("/", server.HealthHandler())

	// Server with production defaults (RequestID → Recovery → Logging).
	srv := server.New(r, server.Defaults(logger)...)
	log.Fatal(srv.ListenAndServe())
}

func getUser(w http.ResponseWriter, r *http.Request) {
	id := r.PathValue("id")
	server.WriteJSON(w, http.StatusOK, map[string]string{
		"id":   id,
		"name": "Alice",
	})
}

func createUser(w http.ResponseWriter, r *http.Request) {
	server.WriteJSON(w, http.StatusCreated, map[string]any{
		"id":      1,
		"message": "user created",
	})
}