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// Licensed to the Software Freedom Conservancy (SFC) under one
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// or more contributor license agreements. See the NOTICE file
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// distributed with this work for additional information
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// regarding copyright ownership. The SFC licenses this file
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// to you under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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//     http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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#include "ExecuteScriptCommandHandler.h"
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#include "errorcodes.h"
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#include "logging.h"
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#include "../Browser.h"
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#include "../IECommandExecutor.h"
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#include "../Script.h"
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namespace webdriver {
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ExecuteScriptCommandHandler::ExecuteScriptCommandHandler(void) {
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}
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ExecuteScriptCommandHandler::~ExecuteScriptCommandHandler(void) {
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}
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void ExecuteScriptCommandHandler::ExecuteInternal(
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    const IECommandExecutor& executor,
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    const ParametersMap& command_parameters,
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    Response* response) {
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  ParametersMap::const_iterator script_parameter_iterator = command_parameters.find("script");
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  ParametersMap::const_iterator args_parameter_iterator = command_parameters.find("args");
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  if (script_parameter_iterator == command_parameters.end()) {
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    response->SetErrorResponse(ERROR_INVALID_ARGUMENT,
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                               "Missing parameter: script");
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    return;
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  }
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  if (!script_parameter_iterator->second.isString()) {
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    response->SetErrorResponse(ERROR_INVALID_ARGUMENT,
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                               "script parameter must be a string");
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    return;
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  }
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  if (args_parameter_iterator == command_parameters.end()) {
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    response->SetErrorResponse(ERROR_INVALID_ARGUMENT,
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                               "Missing parameter: args");
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    return;
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  }
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  if (!args_parameter_iterator->second.isArray()) {
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    response->SetErrorResponse(ERROR_INVALID_ARGUMENT,
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                               "args parameter must be an array");
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    return;
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  }
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  std::string script_body = script_parameter_iterator->second.asString();
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  const std::string script_source = "(function() { return function(){\n" + script_body + "\n};})();";
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  Json::Value json_args(args_parameter_iterator->second);
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  BrowserHandle browser_wrapper;
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  int status_code = executor.GetCurrentBrowser(&browser_wrapper);
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  if (status_code != WD_SUCCESS) {
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    response->SetErrorResponse(status_code, "Unable to get browser");
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    return;
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  }
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  CComPtr<IHTMLDocument2> doc;
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  browser_wrapper->GetDocument(&doc);
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  Script script_wrapper(doc, script_source);
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  HWND async_executor_handle;
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  status_code = script_wrapper.ExecuteAsync(executor,
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                                            json_args,
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                                            &async_executor_handle);
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  browser_wrapper->set_script_executor_handle(async_executor_handle);
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  if (status_code != WD_SUCCESS) {
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    response->SetErrorResponse(status_code, "JavaScript error");
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    return;
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  }
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}
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} // namespace webdriver
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