package com.ruoyi.account.controller;

import com.alipay.api.AlipayApiException;
import com.alipay.api.AlipayClient;
import com.alipay.api.AlipayConfig;
import com.alipay.api.DefaultAlipayClient;
import com.alipay.api.diagnosis.DiagnosisUtils;
import com.alipay.api.request.AlipaySystemOauthTokenRequest;
import com.alipay.api.response.AlipaySystemOauthTokenResponse;
import com.alipay.api.response.AlipayUserInfoShareResponse;
import com.alipay.api.response.AlipayUserUserinfoShareResponse;
import com.alibaba.fastjson.JSON;
import com.baomidou.mybatisplus.core.toolkit.ObjectUtils;
import com.baomidou.mybatisplus.core.toolkit.Wrappers;
import com.ruoyi.account.ali.Constant.AliConstant;
import com.ruoyi.account.ali.model.AliProperties;
import com.ruoyi.account.ali.pojo.AppletUserLogin;
import com.ruoyi.account.ali.tools.AliAppletTools;
import com.ruoyi.account.api.model.TAppUser;
import com.ruoyi.account.service.TAppUserService;
import com.ruoyi.common.core.exception.ServiceException;
import com.ruoyi.common.core.utils.StringUtils;
import com.ruoyi.common.core.web.domain.AjaxResult;
import com.ruoyi.common.security.service.TokenService;
import com.ruoyi.system.api.model.LoginUserApplet;
import io.swagger.annotations.ApiOperation;
import io.swagger.annotations.ApiParam;
import lombok.extern.slf4j.Slf4j;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.web.bind.annotation.*;

import java.lang.reflect.Method;
import java.util.HashMap;
import java.util.Map;
import java.util.Objects;

/**
 * <p>
 *  支付宝小程序登录 前端控制器
 * </p>
 *
 * @author xiaochen
 * @since 2024-08-06
 */
@Slf4j
@RestController
@RequestMapping("/aliLogin")
public class AliLoginController {

    @Autowired
    private AliProperties aliProperties;
    @Autowired
    private TAppUserService appUserService;
    @ApiOperation(value = "通过code获得openid",tags = {"支付宝小程序登录"})
    @PostMapping("/openIdByJsCode")
    public AjaxResult<Map<String, Object>> openIdByJsCode(@RequestBody AppletUserLogin appletUserLogin){
        log.info("<<<<<<<<换取openid开始<<<<<<<<:{}", appletUserLogin.getCode());
        // 登录
        AlipaySystemOauthTokenResponse response = new AliAppletTools(aliProperties).login(appletUserLogin.getCode());
        if (response.isSuccess()) {
            String aliUnionId = firstNotBlank(readStringProperty(response, "getUnionId"), readStringProperty(response, "getUnion_id"),
                    getResponseBodyValue(response, "union_id"), getResponseBodyValue(response, "unionId"));
            String aliUserId = firstNotBlank(response.getUserId(), getResponseBodyValue(response, "user_id"), getResponseBodyValue(response, "userId"));
            log.info("支付宝授权换取用户标识成功，openId：{}，userId：{}，unionId：{}", response.getOpenId(), aliUserId, aliUnionId);
            AlipayUserInfoShareResponse userInfo = new AliAppletTools(aliProperties).getUserInfo(response.getAccessToken());
            log.info("支付宝用户信息接口返回：{}", JSON.toJSONString(userInfo));
            aliUserId = firstNotBlank(aliUserId, userInfo == null ? null : userInfo.getUserId(),
                    getResponseBodyValue(userInfo, "user_id"), getResponseBodyValue(userInfo, "userId"));
            aliUnionId = firstNotBlank(aliUnionId, readStringProperty(userInfo, "getUnionId"), readStringProperty(userInfo, "getUnion_id"),
                    getResponseBodyValue(userInfo, "union_id"), getResponseBodyValue(userInfo, "unionId"));
            if(StringUtils.isEmpty(appletUserLogin.getToken())){
                return AjaxResult.success("已拒绝授权");
            }
            // 获取用户手机号
            String phoneNumber = new AliAppletTools(aliProperties).getPhoneNumber(appletUserLogin.getToken());
            log.info("获取支付宝用户信息:{}", phoneNumber);
            // 用户信息封装
            return AjaxResult.success(appUserService.aliLogin(response,phoneNumber,appletUserLogin.getInviteUserId(),
                    aliUserId, aliUnionId));
        } else {
             String diagnosisUrl = DiagnosisUtils.getDiagnosisUrl(response);
             log.warn("诊断结果:{}",diagnosisUrl);
             throw new ServiceException("支付宝小程序登录失败");
        }
    }

    private String getResponseBodyValue(Object response, String key) {
        String body = readStringProperty(response, "getBody");
        if (StringUtils.isEmpty(body)) {
            return null;
        }
        try {
            com.alibaba.fastjson.JSONObject bodyJson = JSON.parseObject(body);
            String value = bodyJson.getString(key);
            if (StringUtils.isNotEmpty(value)) {
                return value;
            }
            for (String nestedKey : bodyJson.keySet()) {
                com.alibaba.fastjson.JSONObject nested = bodyJson.getJSONObject(nestedKey);
                if (nested != null) {
                    value = nested.getString(key);
                    if (StringUtils.isNotEmpty(value)) {
                        return value;
                    }
                }
            }
            return null;
        } catch (Exception e) {
            return null;
        }
    }

    private String readStringProperty(Object target, String methodName) {
        if (target == null) {
            return null;
        }
        try {
            Method method = target.getClass().getMethod(methodName);
            Object value = method.invoke(target);
            return value == null ? null : String.valueOf(value);
        } catch (Exception e) {
            return null;
        }
    }

    private String firstNotBlank(String... values) {
        if (values == null) {
            return null;
        }
        for (String value : values) {
            if (StringUtils.isNotEmpty(value)) {
                return value;
            }
        }
        return null;
    }

}