package server

import (
	"io"
	"net/http"
	"net/http/httptest"
	"testing"
)

// TestImageProxyRefusesSVG requests an image the upstream answers as SVG,
// in its own format (orig) and resized as PNG, through pixa's router,
// upstream fetcher and image processor. pixa does not accept SVG as a
// source, so each request is answered 415, never with an image.
func TestImageProxyRefusesSVG(t *testing.T) {
	t.Parallel()

	upstream := httptest.NewServer(http.HandlerFunc(
		func(w http.ResponseWriter, _ *http.Request) {
			w.Header().Set("Content-Type", "image/svg+xml")
			_, _ = io.WriteString(w, `<svg xmlns="http://www.w3.org/2000/svg" `+
				`width="64" height="48"><rect width="64" height="48"/></svg>`)
		}))
	t.Cleanup(upstream.Close)

	s, _, _ := startImageProxy(t, upstream)

	for _, sizeFormat := range []string{"64x48.orig", "32x24.png"} {
		target := "/v1/image/" + upstreamHost + "/drawing.svg/" + sizeFormat

		rec := httptest.NewRecorder()
		s.ServeHTTP(rec, httptest.NewRequestWithContext(
			t.Context(), http.MethodGet, target, nil))
		t.Logf("GET %s: %d, Content-Type %s, body %s",
			target, rec.Code, rec.Header().Get("Content-Type"), rec.Body.String())

		if rec.Code != http.StatusUnsupportedMediaType {
			t.Errorf("GET %s status = %d, want %d",
				target, rec.Code, http.StatusUnsupportedMediaType)
		}
	}
}