// Path: Backend/internal/httpx/shared_routes.go

package httpx

import (
	"context"
	"net/http"
	"time"

	"github.com/go-chi/chi/v5"
)

type sharedRoutes struct {
	cfg RouterConfig
}

func newSharedRoutes(cfg RouterConfig) routeRegistrar {
	return sharedRoutes{cfg: cfg}
}

func (routes sharedRoutes) Register(router chi.Router) {
	router.Get("/", routes.handleIndex)
	router.Get("/health", routes.handleHealth)
	router.Get("/version", routes.handleVersion)
}

func (routes sharedRoutes) handleIndex(w http.ResponseWriter, _ *http.Request) {
	WriteJSON(w, http.StatusOK, map[string]string{
		"service": routes.cfg.ServiceName,
		"status":  "ok",
	})
}

func (routes sharedRoutes) handleHealth(w http.ResponseWriter, r *http.Request) {
	ctx, cancel := context.WithTimeout(r.Context(), 2*time.Second)
	defer cancel()

	databaseStatus := "ok"
	if err := routes.cfg.Database.Health(ctx); err != nil {
		databaseStatus = err.Error()
	}

	cacheStatus := "ok"
	if err := routes.cfg.Cache.Health(ctx); err != nil {
		cacheStatus = err.Error()
	}

	statusCode := http.StatusOK
	if databaseStatus != "ok" || cacheStatus != "ok" {
		statusCode = http.StatusServiceUnavailable
	}

	WriteJSON(w, statusCode, map[string]any{
		"service": routes.cfg.ServiceName,
		"status": map[string]string{
			"database": databaseStatus,
			"cache":    cacheStatus,
		},
	})
}

func (routes sharedRoutes) handleVersion(w http.ResponseWriter, _ *http.Request) {
	WriteJSON(w, http.StatusOK, map[string]any{
		"service":     routes.cfg.ServiceName,
		"app":         routes.cfg.Config.AppName,
		"environment": routes.cfg.Config.Environment,
		"build":       routes.cfg.BuildInfo,
	})
}