package main

import (
	"net/http"
	"net/http/httptest"
	"strings"
	"testing"

	"wxch.org/wxch/web"
)

// The chess page is plain static files on the control host: no login, and the engine's WebAssembly file must be sent as
// such or browsers refuse to start it the fast way.
func TestChessPageAndEngineAreServed(t *testing.T) {
	h := pageHandler(http.FileServer(http.FS(web.FS())))
	get := func(p string) *httptest.ResponseRecorder {
		w := httptest.NewRecorder()
		h.ServeHTTP(w, httptest.NewRequest("GET", p, nil))
		return w
	}
	if w := get("/chess/"); w.Code != 200 || !strings.Contains(w.Body.String(), "Stockfish") || !strings.HasPrefix(w.Header().Get("Content-Type"), "text/html") {
		t.Errorf("/chess/: %d %s", w.Code, w.Header().Get("Content-Type"))
	}
	if w := get("/chess/stockfish-19-lite-single.wasm"); w.Code != 200 || w.Header().Get("Content-Type") != "application/wasm" || w.Body.Len() < 1_000_000 {
		t.Errorf("wasm: %d %q %d bytes", w.Code, w.Header().Get("Content-Type"), w.Body.Len())
	}
	for _, f := range []string{"stockfish-19-lite-single.js", "game.js", "chess.js"} {
		if w := get("/chess/" + f); w.Code != 200 || !strings.Contains(w.Header().Get("Content-Type"), "javascript") {
			t.Errorf("%s: %d %q", f, w.Code, w.Header().Get("Content-Type"))
		}
	}
	if w := get("/chess/COPYING-stockfish.txt"); w.Code != 200 || !strings.Contains(w.Body.String(), "GNU GENERAL PUBLIC LICENSE") {
		t.Errorf("licence: %d", w.Code)
	}
}