/*
 * 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。
 * 4. 分发源码时候，请注明软件出处 <https://gitee.com/dromara/dante-cloud>
 * 5. 在修改包名，模块名称，项目代码等时，请注明软件出处 <https://gitee.com/dromara/dante-cloud>
 * 6. 若您的项目无法满足以上几点，可申请商业授权
 */

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

import me.chanjar.weixin.common.redis.RedisTemplateWxRedisOps;
import me.chanjar.weixin.mp.api.WxMpMessageRouter;
import me.chanjar.weixin.mp.api.WxMpService;
import me.chanjar.weixin.mp.api.impl.WxMpServiceImpl;
import me.chanjar.weixin.mp.config.impl.WxMpDefaultConfigImpl;
import me.chanjar.weixin.mp.config.impl.WxMpRedisConfigImpl;
import org.apache.commons.lang3.ObjectUtils;
import org.dromara.dante.assistant.access.properties.WxmppProperties;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import org.springframework.beans.factory.InitializingBean;
import org.springframework.data.redis.core.StringRedisTemplate;

import java.util.List;
import java.util.stream.Collectors;

/**
 * <p>Description: 微信公众号核心服务 </p>
 *
 * @author : gengwei.zheng
 * @date : 2021/5/27 20:25
 */
public class WxmppProcessor implements InitializingBean {

    private static final Logger log = LoggerFactory.getLogger(WxmppProcessor.class);

    private WxMpService wxMpService;

    private WxmppProperties wxmppProperties;
    private WxmppLogHandler wxmppLogHandler;
    private StringRedisTemplate stringRedisTemplate;

    public void setWxmppProperties(WxmppProperties wxmppProperties) {
        this.wxmppProperties = wxmppProperties;
    }

    public void setWxmppLogHandler(WxmppLogHandler wxmppLogHandler) {
        this.wxmppLogHandler = wxmppLogHandler;
    }

    public void setStringRedisTemplate(StringRedisTemplate stringRedisTemplate) {
        this.stringRedisTemplate = stringRedisTemplate;
    }

    @Override
    public void afterPropertiesSet() throws Exception {
        // 代码里 getConfigs()处报错的同学，请注意仔细阅读项目说明，你的IDE需要引入lombok插件！！！！
        final List<WxmppProperties.MpConfig> configs = this.wxmppProperties.getConfigs();
        if (configs == null) {
            throw new RuntimeException("大哥，拜托先看下项目首页的说明（readme文件），添加下相关配置，注意别配错了！");
        }

        WxMpService wxMpService = new WxMpServiceImpl();
        wxMpService.setMultiConfigStorages(configs
                .stream().map(a -> {
                    WxMpDefaultConfigImpl configStorage;
                    if (this.wxmppProperties.isUseRedis()) {
                        final WxmppProperties.RedisConfig redisConfig = this.wxmppProperties.getRedis();
                        configStorage = new WxMpRedisConfigImpl(new RedisTemplateWxRedisOps(stringRedisTemplate), a.getAppId());
                    } else {
                        configStorage = new WxMpDefaultConfigImpl();
                    }

                    configStorage.setAppId(a.getAppId());
                    configStorage.setSecret(a.getSecret());
                    configStorage.setToken(a.getToken());
                    configStorage.setAesKey(a.getAesKey());
                    return configStorage;
                }).collect(Collectors.toMap(WxMpDefaultConfigImpl::getAppId, a -> a, (o, n) -> o)));

        log.info("[Herodotus] |- Bean [Herodotus Weixin Micro Message Public Platform] Configure.");

        this.wxMpService = wxMpService;
    }

    public WxMpService getWxMpService() {
        if (ObjectUtils.isEmpty(this.wxMpService)) {
            throw new IllegalArgumentException(String.format("Cannot find the configuration for wechat official accounts, please check!"));
        }

        return wxMpService;
    }

    public WxMpMessageRouter getWxMpMessageRouter() {
        final WxMpMessageRouter newRouter = new WxMpMessageRouter(this.getWxMpService());
        // 记录所有事件的日志 （异步执行）
        newRouter.rule().handler(this.wxmppLogHandler).next();
        return newRouter;
    }
}
