/*
 * Copyright (c) 2021 Huawei Device Co., Ltd.
 * 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 "mkdtemp.h"

#include "../../common/napi/n_async/n_async_work_callback.h"
#include "../../common/napi/n_async/n_async_work_promise.h"
#include "../../common/napi/n_func_arg.h"
namespace OHOS {
namespace DistributedFS {
namespace ModuleFileIO {
using namespace std;
napi_value Mkdtemp::Sync(napi_env env, napi_callback_info info)
{
    NFuncArg funcArg(env, info);
    if (!funcArg.InitArgs(NARG_CNT::ONE)) {
        UniError(EINVAL).ThrowErr(env, "Number of arguments unmatched");
        return nullptr;
    }

    string path;
    unique_ptr<char[]> tmp;
    bool succ = false;
    tie(succ, tmp, ignore) = NVal(env, funcArg[NARG_POS::FIRST]).ToUTF8String();
    if (!succ) {
        UniError(EINVAL).ThrowErr(env, "Invalid path");
        return nullptr;
    }
    path = tmp.get();
    if (mkdtemp(const_cast<char *>(path.c_str())) == nullptr) {
        UniError(errno).ThrowErr(env);
        return nullptr;
    }
    return NVal::CreateUTF8String(env, path).val_;
}

napi_value Mkdtemp::Async(napi_env env, napi_callback_info info)
{
    NFuncArg funcArg(env, info);
    if (!funcArg.InitArgs(NARG_CNT::ONE, NARG_CNT::TWO)) {
        UniError(EINVAL).ThrowErr(env, "Number of argments unmatched");
        return nullptr;
    }
    unique_ptr<char[]> tmp;
    bool succ = false;
    tie(succ, tmp, ignore) = NVal(env, funcArg[NARG_POS::FIRST]).ToUTF8String();
    if (!succ) {
        UniError(EINVAL).ThrowErr(env, "Invalid path");
        return nullptr;
    }
    string path = tmp.get();
    auto arg = make_shared<string>();
    auto cbExec = [path, arg](napi_env env) -> UniError {
        if (mkdtemp(const_cast<char *>(path.c_str())) == nullptr) {
            return UniError(errno);
        } else {
            string &res = *arg;
            res = path;
            return UniError(ERRNO_NOERR);
        }
    };
    auto cbComplete = [arg](napi_env env, UniError err) -> NVal {
        if (err) {
            return { env, err.GetNapiErr(env) };
        } else {
            return NVal::CreateUTF8String(env, *arg);
        }
    };
    string procedureName = "FileIOmkdtemp";
    int argc = funcArg.GetArgc();
    NVal thisVar(env, funcArg.GetThisVar());
    if (argc == NARG_CNT::ONE) {
        return NAsyncWorkPromise(env, thisVar).Schedule(procedureName, cbExec, cbComplete).val_;
    } else {
        NVal cb(env, funcArg[NARG_POS::SECOND]);
        return NAsyncWorkCallback(env, thisVar, cb).Schedule(procedureName, cbExec, cbComplete).val_;
    }
}
} // namespace ModuleFileIO
} // namespace DistributedFS
} // namespace OHOS