/* -*- Mode: C++; tab-width: 4; c-basic-offset: 4; indent-tabs-mode: nil -*- */
/*
 *   Copyright 2020-2021 Couchbase, Inc.
 *
 *   Licensed under the Apache License, Version 2.0 (the "License");
 *   you may not use this file except in compliance with the License.
 *   You may obtain a copy of the License at
 *
 *       http://www.apache.org/licenses/LICENSE-2.0
 *
 *   Unless required by applicable law or agreed to in writing, software
 *   distributed under the License is distributed on an "AS IS" BASIS,
 *   WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 *   See the License for the specific language governing permissions and
 *   limitations under the License.
 */

#include "scope_create.hxx"

#include "core/utils/json.hxx"
#include "core/utils/url_codec.hxx"
#include "error_utils.hxx"

#include <spdlog/fmt/bundled/core.h>
#include <tao/json/value.hpp>

#include <regex>

namespace couchbase::core::operations::management
{
auto
scope_create_request::encode_to(encoded_request_type& encoded,
                                http_context& /* context */) const -> std::error_code
{
  encoded.method = "POST";
  encoded.path = fmt::format("/pools/default/buckets/{}/scopes",
                             utils::string_codec::v2::path_escape(bucket_name));
  encoded.headers["content-type"] = "application/x-www-form-urlencoded";
  encoded.body = fmt::format("name={}", utils::string_codec::form_encode(scope_name));
  return {};
}

auto
scope_create_request::make_response(error_context::http&& ctx, const encoded_response_type& encoded)
  const -> scope_create_response
{
  scope_create_response response{ std::move(ctx) };
  if (!response.ctx.ec) {
    switch (encoded.status_code) {
      case 400: {
        const std::regex scope_exists("Scope with name .+ already exists");
        if (std::regex_search(encoded.body.data(), scope_exists)) {
          response.ctx.ec = errc::management::scope_exists;
        } else if (encoded.body.data().find("Not allowed on this version of cluster") !=
                   std::string::npos) {
          response.ctx.ec = errc::common::feature_not_available;
        } else {
          response.ctx.ec = errc::common::invalid_argument;
        }
      } break;
      case 404:
        response.ctx.ec = errc::common::bucket_not_found;
        break;
      case 200: {
        tao::json::value payload{};
        try {
          payload = utils::json::parse(encoded.body.data());
        } catch (const tao::pegtl::parse_error&) {
          response.ctx.ec = errc::common::parsing_failure;
          return response;
        }
        response.uid = std::stoull(payload.at("uid").get_string(), nullptr, 16);
      } break;
      default:
        response.ctx.ec = extract_common_error_code(encoded.status_code, encoded.body.data());
        break;
    }
  }
  return response;
}
} // namespace couchbase::core::operations::management