package theme

import (
	"crypto/sha256"
	"encoding/hex"
	"net/http"
	"net/http/httptest"
	"testing"
)

func TestFontHandlerServesOnlyItsTwoFiles(t *testing.T) {
	h := FontHandler()
	for path, want := range map[string]int{
		FontPrefix + "fonts.css":           200,
		FontPrefix + "onest-latin.woff2":   200,
		FontPrefix + "onest.woff2":         404,
		FontPrefix + "../theme/estilo.css": 404,
		FontPrefix:                         404,
		"/static/other/onest-latin.woff2":  404,
	} {
		rec := httptest.NewRecorder()
		h.ServeHTTP(rec, httptest.NewRequest(http.MethodGet, path, nil))
		if rec.Code != want {
			t.Errorf("GET %s = %d, want %d", path, rec.Code, want)
		}
	}
	rec := httptest.NewRecorder()
	h.ServeHTTP(rec, httptest.NewRequest(http.MethodPost, FontPrefix+"fonts.css", nil))
	if rec.Code != http.StatusMethodNotAllowed {
		t.Errorf("POST = %d, want 405", rec.Code)
	}
}

// The embedded font is the one the provenance record names.
func TestOnestIsTheRecordedFile(t *testing.T) {
	body, err := fontFS.ReadFile("fonts/onest-latin.woff2")
	if err != nil {
		t.Fatal(err)
	}
	sum := sha256.Sum256(body)
	if got := hex.EncodeToString(sum[:]); got != "cc61cbd632bb677cd55f0eec9ebdd3e1525c5f30904cbf0769e2ac50d0fba992" {
		t.Fatalf("onest-latin.woff2 is not the file credits/notices/onest-provenance.json records (sha256 %s)", got)
	}
}