package towel_test

import (
	"fmt"
	"net/http"
	"net/http/httptest"

	"git.golem15.com/golem15/summercms/modules/towel"
)

func ExampleWithLocale() {
	// A middleware stores the organization once for the whole request.
	withAcme := func(next http.Handler) http.Handler {
		return http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
			ctx := towel.WithOrganization(r.Context(), "acme")
			next.ServeHTTP(w, r.WithContext(ctx))
		})
	}

	// The handler reads the values back from its request context.
	listPosts := http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
		org, _ := towel.Organization(r.Context())
		locale, ok := towel.Locale(r.Context())
		if !ok {
			locale = "en"
		}
		fmt.Fprintf(w, "posts for %s in %s", org, locale)
	})

	// surf sets the locale from Accept-Language; here the test sets it.
	req := httptest.NewRequest(http.MethodGet, "/api/blog/posts", nil)
	req = req.WithContext(towel.WithLocale(req.Context(), "pl"))
	rec := httptest.NewRecorder()
	withAcme(listPosts).ServeHTTP(rec, req)
	fmt.Println(rec.Body.String())
	// Output: posts for acme in pl
}