package middlewares

import (
	"context"
	"net/http"

	"gitlab.com/mstarongitlab/linstrom/storage"
)

const CONTEXT_KEY_STORAGE = ContextKey("storage")

// Build a middleware for injecting a storage reference into the context
func InjectStorageMiddlewareBuilder(store *storage.Storage) func(http.Handler) http.Handler {
	return func(h http.Handler) http.Handler {
		return http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
			reqContext := r.Context()
			newContext := context.WithValue(reqContext, CONTEXT_KEY_STORAGE, store)
			newRequest := r.WithContext(newContext)
			h.ServeHTTP(w, newRequest)
		})
	}
}