/*
 * Copyright 2020-2030 码匠君<herodotus@aliyun.com>
 *
 * Dante Engine 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.
 *
 * Dante Engine 是 Dante Cloud 系统核心组件库，采用 APACHE LICENSE 2.0 开源协议，您在使用过程中，需要注意以下几点：
 *
 * 1. 请不要删除和修改根目录下的LICENSE文件。
 * 2. 请不要删除和修改 Dante Engine 源码头部的版权声明。
 * 3. 请保留源码和相关描述文件的项目出处，作者声明等。
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 */

package org.dromara.dante.assistant.access.processor;

import cn.binarywang.wx.miniapp.bean.WxMaJscode2SessionResult;
import cn.binarywang.wx.miniapp.bean.WxMaUserInfo;
import org.apache.commons.lang3.ObjectUtils;
import org.dromara.dante.assistant.access.definition.AccessHandler;
import org.dromara.dante.assistant.access.definition.domain.AccessResponse;
import org.dromara.dante.assistant.access.definition.domain.AccessUserDetails;
import org.dromara.dante.assistant.access.exception.AccessIdentityVerificationFailedException;
import org.dromara.dante.assistant.access.exception.AccessPreProcessFailedException;
import org.dromara.dante.core.constant.SymbolConstants;
import org.dromara.dante.security.domain.AccessPrincipal;
import org.dromara.dante.security.enums.AccountCategory;

/**
 * <p>Description: 微信小程序接入处理器 </p>
 *
 * @author : gengwei.zheng
 * @date : 2022/1/26 10:56
 */
public class WxappAccessHandler implements AccessHandler {

    private final WxappProcessor wxappProcessor;

    public WxappAccessHandler(WxappProcessor wxappProcessor) {
        this.wxappProcessor = wxappProcessor;
    }

    @Override
    public AccessResponse preProcess(String core, String... params) {
        WxMaJscode2SessionResult wxMaSession = wxappProcessor.login(core, params[0]);
        if (ObjectUtils.isNotEmpty(wxMaSession)) {
            AccessResponse accessResponse = new AccessResponse();
            accessResponse.setSession(wxMaSession);
            return accessResponse;
        }

        throw new AccessPreProcessFailedException("Wxapp login failed");
    }

    @Override
    public AccessUserDetails loadUserDetails(String source, AccessPrincipal accessPrincipal) {
        WxMaUserInfo wxMaUserInfo = wxappProcessor.getUserInfo(accessPrincipal.getAppId(), accessPrincipal.getSessionKey(), accessPrincipal.getEncryptedData(), accessPrincipal.getIv());
        if (ObjectUtils.isNotEmpty(wxMaUserInfo)) {
            return convertWxMaUserInfoToAccessUserDetails(wxMaUserInfo, accessPrincipal);
        }

        throw new AccessIdentityVerificationFailedException("Can not find the userinfo from Wechat!");
    }

    private AccessUserDetails convertWxMaUserInfoToAccessUserDetails(WxMaUserInfo wxMaUserInfo, AccessPrincipal accessPrincipal) {
        AccessUserDetails accessUserDetails = new AccessUserDetails();
        accessUserDetails.setUuid(accessPrincipal.getOpenId());
        accessUserDetails.setUsername(wxMaUserInfo.getNickName());
        accessUserDetails.setNickname(wxMaUserInfo.getNickName());
        accessUserDetails.setAvatar(wxMaUserInfo.getAvatarUrl());
        accessUserDetails.setLocation(wxMaUserInfo.getCountry() + SymbolConstants.FORWARD_SLASH + wxMaUserInfo.getProvince() + SymbolConstants.FORWARD_SLASH + wxMaUserInfo.getCity());
        accessUserDetails.setSource(AccountCategory.WXAPP.name());
        accessUserDetails.setOpenId(accessPrincipal.getOpenId());
        accessUserDetails.setUnionId(accessPrincipal.getUnionId());
        accessUserDetails.setAppId(wxMaUserInfo.getWatermark().getAppid());
        accessUserDetails.setPhoneNumber(wxMaUserInfo.getWatermark().getAppid());
        return accessUserDetails;
    }
}
