package com.cdzy.user.controller;

import com.cdzy.common.enums.Code;
import com.cdzy.common.ex.EbikeException;
import com.cdzy.common.model.response.JsonResult;
import com.cdzy.user.model.dto.EbikeUserPageDto;
import com.cdzy.user.model.dto.UserValidateDto;
import com.cdzy.user.model.dto.WechatInfoDto;
import com.cdzy.user.model.entity.EbikeOrder;
import com.cdzy.user.model.entity.EbikeUser;
import com.cdzy.user.model.vo.EbikeUserVo;
import com.cdzy.user.service.EbikeOrderService;
import com.cdzy.user.service.EbikeUserRealInfoService;
import com.cdzy.user.service.EbikeUserService;
import com.cdzy.user.utils.RedisUtil;
import com.cdzy.user.utils.VerifyUtil;
import com.ebike.feign.clients.OperationsFeignClient;
import com.ebike.feign.model.vo.FeignEbikeRegionVo;
import com.fasterxml.jackson.databind.JsonNode;
import com.mybatisflex.core.paginate.Page;
import jakarta.annotation.Resource;
import org.springframework.util.StringUtils;
import org.springframework.validation.annotation.Validated;
import org.springframework.web.bind.annotation.GetMapping;
import org.springframework.web.bind.annotation.PostMapping;
import org.springframework.web.bind.annotation.RequestBody;
import org.springframework.web.bind.annotation.RequestMapping;
import org.springframework.web.bind.annotation.RequestParam;
import org.springframework.web.bind.annotation.RestController;

import java.util.Map;

/**
 * 用户登录控制层
 *
 * @author yanglei
 * @since 2025-10-15  08:56
 */

@RestController
@RequestMapping("/ebikeUser")
public class EbikeUserController {

    @Resource
    private RedisUtil redisUtil;

    @Resource
    private VerifyUtil verifyUtil;

    @Resource
    private EbikeUserService ebikeUserService;

    @Resource
    private EbikeOrderService ebikeOrderTransactionService;

    @Resource
    private EbikeUserRealInfoService ebikeUserRealInfoService;

    @Resource
    private OperationsFeignClient operationsFeignClient;

    /**
     * 用户微信无感登录。
     *
     * @param code 微信登录返回的code
     */
    @GetMapping("login")
    public JsonResult<?> silentLogin(@RequestParam(name = "js_code") String code) {
        JsonNode result = verifyUtil.wechatAuthority(code);
        if (result == null) {
            throw new EbikeException("微信登录失败");
        }
        if (result.has("errcode")) {
            return JsonResult.failed(String.format("微信登录失败 %s", result.get("errmsg").asText()));
        }

        // 储存session_key到Redis(2小时过期)
        String sessionKey = result.get("session_key").asText();
        String openid = result.get("openid").asText();
        redisUtil.addWechatSession(openid, sessionKey);
        Map<String, Object> data = ebikeUserService.checkUserExists(openid);
        return JsonResult.success(data);
    }

    /**
     * 保存微信用户信息
     *
     * @param wechatInfoDto 微信解密请求参数
     */
    @PostMapping("saveWechatUserInfo")
    public JsonResult<?> getEncryptInfo(@RequestBody WechatInfoDto wechatInfoDto) {
        String sessionKey = redisUtil.getWechatSession(wechatInfoDto.getOpenId());
        if (!StringUtils.hasText(sessionKey)) {
            return JsonResult.failed("session已过期，请重新登录");
        }
        // 解密手机号
        String decryptedData = verifyUtil.decryptData(
                wechatInfoDto.getEncryptedData(),
                sessionKey,
                wechatInfoDto.getIv()
        );
        if (decryptedData == null || decryptedData.isEmpty()) {
            return JsonResult.failed("手机号解密失败!");
        }
        ebikeUserService.updateUserInfo(decryptedData, wechatInfoDto.getOpenId());
        return JsonResult.success();
    }

    /**
     * 用户实名验证
     *
     * @param userValidateDto 用户实名验证请求
     * @return 验证结果
     */
    @PostMapping("/verifyRealName")
    public JsonResult<?> verifyRealName(@RequestBody @Validated UserValidateDto userValidateDto) {
        verifyUtil.verifyRealName(userValidateDto);
        return JsonResult.success();
    }


    /**
     * 根据用户id校验用户是否已进行实名认证
     *
     * @param userId 用户id
     * @return true 已进行实名验证  false 实名认证失败或未进行实名认证
     */
    @GetMapping("/checkUserIsVerify")
    public JsonResult<?> checkUserIsVerify(@RequestParam(name = "userId") Long userId) {
        boolean result = ebikeUserRealInfoService.checkUserIsVerify(userId);
        return JsonResult.success(result);
    }


    /**
     * 注销用户信息。
     *
     * @param ebikeUser 用户信息
     * @return {@code true} 注销成功，{@code false} 注销失败
     */
    @PostMapping("deRegister")
    public JsonResult<?> deRegister(@RequestBody EbikeUser ebikeUser) {
        // 需要检测用户是否还有未支付的订单，如果有则不能注销
        EbikeOrder unPayed = ebikeOrderTransactionService.checkHistoryOrder(ebikeUser.getUserId());
        if (unPayed != null) {
            throw new EbikeException("用户还有未完成的订单，不能注销");
        }
        // 注销用户信息
        ebikeUserService.deRegister(ebikeUser);
        return JsonResult.success();
    }

    /**
     * 根据主键更新用户信息。
     *
     * @param ebikeUser 用户信息
     * @return {@code true} 更新成功，{@code false} 更新失败
     */
    @PostMapping("update")
    public JsonResult<?> update(@RequestBody EbikeUser ebikeUser) {
        ebikeUserService.updateById(ebikeUser);
        return JsonResult.success();
    }

    /**
     * 根据用户信息主键获取详细信息。
     *
     * @param userId 用户信息主键
     * @return 用户信息详情
     */
    @GetMapping("getInfoByUserId")
    public JsonResult<?> getInfoByUserId(@RequestParam(name = "userId") Long userId) {
        EbikeUserVo user = ebikeUserService.getUserInfoByUserId(userId);
        return JsonResult.success(user);
    }

    /**
     * 根据用户微信openId获取详细信息。
     *
     * @param openId 用户微信openId
     * @return 用户信息详情
     */
    @GetMapping("getInfoByOpenId")
    public JsonResult<?> getInfoByOpenId(@RequestParam(name = "openId") String openId) {
        EbikeUserVo user = ebikeUserService.getUserByOpenId(openId);
        return JsonResult.success(user);
    }


    /**
     * 分页查询用户信息。
     *
     * @param userPageDto 分页查询参数
     * @return 分页对象
     */
    @PostMapping("page")
    public JsonResult<?> page(@RequestBody  EbikeUserPageDto userPageDto) {
        Page<EbikeUserVo> list = ebikeUserService.queryPage(userPageDto);
        return JsonResult.success(list);
    }

    /**
     * 查询当前位置的所在运营区
     *
     * @param lng 经度
     * @param lat 维度
     * @return 运营区信息
     */
    @GetMapping("getRegionByLocation")
    public JsonResult<?> getRegionByLocation(@RequestParam("lng") double lng,
                                             @RequestParam("lat") double lat,
                                             @RequestParam("radius") double radius) {
        JsonResult<FeignEbikeRegionVo> jsonResult = operationsFeignClient.getRegionByLocation(lng, lat, radius);
        if (jsonResult.getCode() != Code.SUCCESS) {
            throw new EbikeException(jsonResult.getMessage());
        }
        return JsonResult.success(jsonResult.getData());
    }
}