/*
 * Copyright (c) 2022 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.
 */
#define LOG_TAG "WallpaperJSUtil"
#include "color.h"
#include "hilog_wrapper.h"
#include "wallpaper_js_util.h"

namespace OHOS::WallpaperNAPI {
using namespace WallpaperMgrService;
constexpr const uint32_t COLOR_MASK{ 0xFF };

std::string WallpaperJSUtil::Convert2String(napi_env env, napi_value jsString)
{
    size_t maxLen = WallpaperJSUtil::MAX_LEN;
    napi_status status = napi_get_value_string_utf8(env, jsString, NULL, 0, &maxLen);
    if (status != napi_ok) {
        GET_AND_THROW_LAST_ERROR((env));
        maxLen = WallpaperJSUtil::MAX_LEN;
    }
    if (maxLen == 0) {
        return std::string();
    }
    char *buf = new (std::nothrow) char[maxLen + 1]();
    if (buf == nullptr) {
        return std::string();
    }
    size_t len = 0;
    status = napi_get_value_string_utf8(env, jsString, buf, maxLen + 1, &len);
    if (status != napi_ok) {
        GET_AND_THROW_LAST_ERROR((env));
    }
    buf[len] = 0;
    std::string value(buf);
    delete[] buf;
    return value;
}

napi_value WallpaperJSUtil::Convert2JSRgbaArray(napi_env env, const std::vector<uint64_t> &color)
{
    HILOG_DEBUG("Convert2JSRgbaArray in.");
    napi_value result = nullptr;
    napi_status status = napi_create_array_with_length(env, color.size(), &result);
    if (status != napi_ok) {
        HILOG_DEBUG("Convert2JSRgbaArray failed!");
        return nullptr;
    }
    int32_t index = 0;
    for (const auto it : color) {
        HILOG_DEBUG("Convert2JSRgbaArray for.");
        ColorManager::Color colors(it);
        napi_value red = nullptr;
        napi_value green = nullptr;
        napi_value blue = nullptr;
        napi_value alpha = nullptr;
        napi_create_int32(env, static_cast<int32_t>(colors.r * COLOR_MASK), &red);
        napi_create_int32(env, static_cast<int32_t>(colors.g * COLOR_MASK), &green);
        napi_create_int32(env, static_cast<int32_t>(colors.b * COLOR_MASK), &blue);
        napi_create_int32(env, static_cast<int32_t>(colors.a * COLOR_MASK), &alpha);
        napi_value element = nullptr;
        napi_create_object(env, &element);
        napi_set_named_property(env, element, "red", red);
        napi_set_named_property(env, element, "green", green);
        napi_set_named_property(env, element, "blue", blue);
        napi_set_named_property(env, element, "alpha", alpha);
        napi_set_element(env, result, index++, element);
    }
    return result;
}

napi_status WallpaperJSUtil::Convert2WallpaperInfo(napi_env env, napi_value jsWallpaper, WallpaperInfo &wallpaperInfo)
{
    HILOG_DEBUG("Convert2WallpaperInfo in.");
    napi_value value = nullptr;

    NAPI_CALL_BASE(env, napi_get_named_property(env, jsWallpaper, "foldState", &value), napi_invalid_arg);
    int32_t foldState;
    NAPI_CALL_BASE(env, napi_get_value_int32(env, value, &foldState), napi_invalid_arg);
    wallpaperInfo.foldState = static_cast<FoldState>(foldState);

    NAPI_CALL_BASE(env, napi_get_named_property(env, jsWallpaper, "rotateState", &value), napi_invalid_arg);
    int32_t rotateState;
    NAPI_CALL_BASE(env, napi_get_value_int32(env, value, &rotateState), napi_invalid_arg);
    wallpaperInfo.rotateState = static_cast<RotateState>(rotateState);

    NAPI_CALL_BASE(env, napi_get_named_property(env, jsWallpaper, "source", &value), napi_invalid_arg);
    wallpaperInfo.source = Convert2String(env, value);
    return napi_ok;
}

napi_status WallpaperJSUtil::Convert2WallpaperInfos(napi_env env, napi_value jsWallpapers,
    std::vector<WallpaperInfo> &wallpaperInfos)
{
    HILOG_DEBUG("Convert2WallpaperInfos in.");
    uint32_t length = 0;
    NAPI_CALL_BASE(env, napi_get_array_length(env, jsWallpapers, &length), napi_invalid_arg);
    for (uint32_t i = 0; i < length; ++i) {
        napi_value item = nullptr;
        napi_status status = napi_get_element(env, jsWallpapers, i, &item);
        NAPI_ASSERT_BASE(env, status == napi_ok && item != nullptr, "not a WallpaperInfo", napi_invalid_arg);
        WallpaperInfo wallpaperInfo;
        NAPI_CALL_BASE(env, Convert2WallpaperInfo(env, item, wallpaperInfo), napi_invalid_arg);
        wallpaperInfos.push_back(std::move(wallpaperInfo));
    }
    return napi_ok;
}
} // namespace OHOS::WallpaperNAPI