/*
 *      Copyright (c) 2018-2028, Chill Zhuang All rights reserved.
 *
 *  Redistribution and use in source and binary forms, with or without
 *  modification, are permitted provided that the following conditions are met:
 *
 *  Redistributions of source code must retain the above copyright notice,
 *  this list of conditions and the following disclaimer.
 *  Redistributions in binary form must reproduce the above copyright
 *  notice, this list of conditions and the following disclaimer in the
 *  documentation and/or other materials provided with the distribution.
 *  Neither the name of the dreamlu.net developer nor the names of its
 *  contributors may be used to endorse or promote products derived from
 *  this software without specific prior written permission.
 *  Author: Chill 庄骞 (smallchill@163.com)
 */
package org.springblade.modules.auth.granter;

import com.alibaba.fastjson.JSON;
import com.alibaba.fastjson.JSONObject;
import com.baomidou.mybatisplus.core.toolkit.Wrappers;
import lombok.AllArgsConstructor;
import me.zhyd.oauth.model.AuthCallback;
import me.zhyd.oauth.model.AuthResponse;
import me.zhyd.oauth.model.AuthUser;
import me.zhyd.oauth.request.AuthRequest;
import org.springblade.common.cache.CacheNames;
import org.springblade.common.utils.HttpClientUtils;
import org.springblade.core.log.exception.ServiceException;
import org.springblade.core.redis.cache.BladeRedis;
import org.springblade.core.social.props.SocialProperties;
import org.springblade.core.social.utils.SocialUtil;
import org.springblade.core.tool.api.R;
import org.springblade.core.tool.support.Kv;
import org.springblade.core.tool.utils.*;
import org.springblade.modules.auth.enums.UserEnum;
import org.springblade.modules.auth.provider.ITokenGranter;
import org.springblade.modules.auth.provider.TokenParameter;
import org.springblade.modules.auth.utils.TokenUtil;
import org.springblade.modules.system.entity.*;
import org.springblade.modules.system.service.ITenantService;
import org.springblade.modules.system.service.IUserService;
import org.springframework.stereotype.Component;
import org.springframework.web.bind.annotation.GetMapping;
import org.springframework.web.client.RestTemplate;

import javax.servlet.http.HttpServletRequest;
import java.util.*;

/**
 * 微信小程序 TokenGranter
 * @author zhongrj
 */
@Component
@AllArgsConstructor
public class WxTokenGranter implements ITokenGranter {

	public static final String GRANT_TYPE = "wx";

	private final IUserService userService;

	//获取wxAccessToken
	private final String WX_GET_ACCESS_TOKEN = "https://api.weixin.qq.com/cgi-bin/token";
	private final String WX_GET_PHONE_NUMBER = "https://api.weixin.qq.com/wxa/business/getuserphonenumber";
	private final String WX_APP_ID = "wx11797b813d61cac1";
	private final String WX_SECRET = "c9bbdf03f4f98e2d8fc45aebd4e41eab";

	@Override
	public UserInfo grant(TokenParameter tokenParameter) {
		HttpServletRequest request = WebUtil.getRequest();
		// 开放平台授权码
		String username = request.getParameter("username");
		String phone = getPhone(username);
		// 判断用户是否存在
		UserInfo userInfo = userService.getUserByPhone(phone);
		if (null==userInfo){
			User user = new User();
			user.setPhone(phone);
			UserInfo userInfo1 = buildUserInfo(user, UserEnum.WEB);
			return userInfo1;
		}else {
			return userInfo;
		}
		// 返回UserInfo
	}

	/**
	 * 获取手机号
	 * @param code
	 * @return
	 */
	public String getPhone(String code) {
		String wxAccessToken = getWxAccessToken();
		//参数
		String url = WX_GET_PHONE_NUMBER + "?access_token=" + wxAccessToken;
		//向微信接口发起请求获取手机号
		RestTemplate template = new RestTemplate();
		Map<String, Object> params = new LinkedHashMap<>();
		params.put("code", code);
		String result = template.postForObject(url, params, String.class);
		JSONObject resultObj = (JSONObject) JSONObject.parse(result);
		JSONObject phoneInfo = (JSONObject) resultObj.get("phone_info");
		String phoneNumber = phoneInfo.get("phoneNumber").toString();
		return phoneNumber;
	}

	/**
	 * 获取 WxAccessToken
	 * @return
	 */
	public String getWxAccessToken() {
		//参数
		Map<String, String> params = new HashMap<>();
		params.put("grant_type", "client_credential");
		params.put("appid", WX_APP_ID);
		params.put("secret", WX_SECRET);
		String result = HttpClientUtils.doGet(WX_GET_ACCESS_TOKEN, params);
		JSONObject jsonObject = JSON.parseObject(result);
		String accessToken = jsonObject.getString("access_token");
		return accessToken;
	}

	private UserInfo buildUserInfo(User user, UserEnum userEnum) {
		if (ObjectUtil.isEmpty(user)) {
			return null;
		}
		UserInfo userInfo = new UserInfo();
		userInfo.setUser(user);
		// 根据每个用户平台，建立对应的detail表，通过查询将结果集写入到detail字段
		Kv detail = Kv.create().set("type", userEnum.getName());
		if (userEnum == UserEnum.WEB) {
			UserWeb userWeb = new UserWeb();
			UserWeb query = userWeb.selectOne(Wrappers.<UserWeb>lambdaQuery().eq(UserWeb::getUserId, user.getId()));
			if (ObjectUtil.isNotEmpty(query)) {
				detail.set("ext", query.getUserExt());
			}
		} else if (userEnum == UserEnum.APP) {
			UserApp userApp = new UserApp();
			UserApp query = userApp.selectOne(Wrappers.<UserApp>lambdaQuery().eq(UserApp::getUserId, user.getId()));
			if (ObjectUtil.isNotEmpty(query)) {
				detail.set("ext", query.getUserExt());
			}
		} else {
			UserOther userOther = new UserOther();
			UserOther query = userOther.selectOne(Wrappers.<UserOther>lambdaQuery().eq(UserOther::getUserId, user.getId()));
			if (ObjectUtil.isNotEmpty(query)) {
				detail.set("ext", query.getUserExt());
			}
		}
		userInfo.setDetail(detail);
		return userInfo;
	}

}