/*
 * Copyright 2016 Google Inc.
 *
 * Use of this source code is governed by a BSD-style license that can be
 * found in the LICENSE file.
 */

#include "UrlHandler.h"

#include "microhttpd.h"
#include "../Request.h"
#include "../Response.h"

using namespace Response;

bool EnableGPUHandler::canHandle(const char* method, const char* url) {
    static const char* kBasePath = "/enableGPU/";
    return 0 == strcmp(method, MHD_HTTP_METHOD_POST) &&
           0 == strncmp(url, kBasePath, strlen(kBasePath));
}

int EnableGPUHandler::handle(Request* request, MHD_Connection* connection,
                             const char* url, const char* method,
                             const char* upload_data, size_t* upload_data_size) {
    SkTArray<SkString> commands;
    SkStrSplit(url, "/", &commands);

    if (commands.count() != 2) {
        return MHD_NO;
    }

    int enable;
    sscanf(commands[1].c_str(), "%d", &enable);

    if (enable) {
        SkSurface* surface = request->createGPUSurface();
        if (surface) {
            request->fSurface.reset(surface);
            request->fGPUEnabled = true;
            return SendOK(connection);
        }
        return SendError(connection, "Unable to create GPU surface");
    }
    request->fSurface.reset(request->createCPUSurface());
    request->fGPUEnabled = false;
    return SendOK(connection);
}