package com.cyksj.service.register.impl;

import cn.hutool.core.bean.BeanUtil;
import cn.hutool.core.date.DateField;
import cn.hutool.core.date.DateUtil;
import com.baomidou.mybatisplus.core.toolkit.Wrappers;
import com.baomidou.mybatisplus.extension.service.impl.ServiceImpl;
import com.cyksj.common.exception.BusinessRuntimeException;
import com.cyksj.common.snowflake.Sequence;
import com.cyksj.common.util.Codec;
import com.cyksj.common.util.Jsons;
import com.cyksj.config.WeChatConfig;
import com.cyksj.dto.RedisKey;
import com.cyksj.mapper.RegisterOrderDonMapper;
import com.cyksj.model.dto.H5JsPayParams;
import com.cyksj.model.entity.*;
import com.cyksj.model.manage.request.RegisterReq;
import com.cyksj.model.request.OrderAttach;
import com.cyksj.redis.RedisService;
import com.cyksj.service.register.RegisterOrderDonService;
import com.cyksj.service.register.SpotifyService;
import com.cyksj.service.sys.SysConfigService;
import com.cyksj.service.wechat.WeChatService;
import lombok.RequiredArgsConstructor;
import lombok.extern.slf4j.Slf4j;
import org.apache.commons.lang3.StringUtils;
import org.springframework.stereotype.Service;
import org.springframework.transaction.annotation.Transactional;

import java.math.BigDecimal;
import java.util.Date;
import java.util.List;
import java.util.Map;
import java.util.Optional;

/**
 * @author chan
 * @date 2022/11/7 2:39 PM
 */
@Service
@Slf4j
@RequiredArgsConstructor
public class RegisterOrderDonServiceImpl extends ServiceImpl<RegisterOrderDonMapper ,RegisterOrderDon> implements RegisterOrderDonService {

    private static final Sequence SEQUENCE = new Sequence(0);

    private static final String REGISTER_PRICE_KEY = "register_price";

    private final SpotifyService spotifyService;

    private final RedisService redisService;

    private final WeChatService weChatService;

    private final WeChatConfig weChatConfig;

    private final SysConfigService sysConfigService;

    /**
     * 判断是否免费
     * @author chan
     * @date 2022-11-07 3:34 PM
     */
    @Override
    public boolean isFree(long userId, String platform) {
        int count = count(Wrappers.lambdaQuery(RegisterOrderDon.class)
                .eq(RegisterOrderDon::getUserId, userId)
                .ne(RegisterOrderDon::getStatus, RegisterOrderDon.Status.noPayment)
                .eq(RegisterOrderDon::getIsFree, true));
        if(count > 0){
            return false;
        }
        Long num = redisService.decr(RedisKey.SPOTIFY_FREE_NUM, 1L);
        if(num >= 0){
            return true;
        }else {
            redisService.incr(RedisKey.SPOTIFY_FREE_NUM, 1L);
        }
        return false;
    }

    /**
     * 保存注册资料
     * @author chan
     * @date 2022-11-07 3:34 PM
     */
    @Override
    @Transactional(rollbackFor = Throwable.class)
    public RegisterOrderDon saveOrder(long userId, RegisterReq req, boolean isFree) throws Exception {
        RegisterOrderDon orderDon = new RegisterOrderDon();
        BeanUtil.copyProperties(req,orderDon);
        SysConfig register_price = sysConfigService.getOne(Wrappers.lambdaQuery(SysConfig.class).eq(SysConfig::getSysKey, "register_price").last("limit 1"));
        Map<String, String> map = Jsons.toMap(register_price.getSysValue());

        orderDon.setOrderNo(SEQUENCE.nextId() + "");
        orderDon.setIsFree(isFree);
        orderDon.setMoney(isFree ? BigDecimal.ZERO : new BigDecimal(map.get(req.getPlatform())));
        orderDon.setStatus(isFree ? RegisterOrderDon.Status.hasPayment : RegisterOrderDon.Status.noPayment);
        save(orderDon);

        return orderDon;
    }

    @Override
    public H5JsPayParams pay(Long orderId) throws Exception {
        log.info("注册 账号调起微信支付[start] orderId:{}", orderId);
        RegisterOrderDon orderDon = this.getById(orderId);

        OrderAttach attach = new OrderAttach();
        attach.setO(orderDon.getId());

        String toWechatAttach = Codec.DoBase64.custom()
                .setData(Jsons.toJson(attach)).encodeAsText();

        H5JsPayParams params = weChatService.getJsPayParams(
                weChatConfig.getAppid(),
                orderDon.getOpenId(),
                orderDon.getMoney().intValue(),
                orderDon.getOrderNo(),
                weChatConfig.getDomain() + "applets/register/prepay/notify",
                toWechatAttach,
                "注册服务"
        );

        log.info("微信支付成功[end]");
        return params;
    }

    @Override
    @Transactional(rollbackFor = Throwable.class)
    public void prepayNotify(Map<String, String> map) throws Exception {
        /* 此处处理订单等业务逻辑 */
        // 获取订单 和 微信订单号 和 支付的金额

        String attach = Codec.DoBase64.custom().setData(map.get("attach")).decodeAsText();

        OrderAttach orderAttach = Jsons.parseObject(attach, OrderAttach.class);

        final Long oid = orderAttach.getO();

        //final Long shareId = orderAttach.getShared();

        RegisterOrderDon order = this.getById(oid);

        if (null == order) {
            throw BusinessRuntimeException.getInstance("订单不存在.");
        }

        // 校验签名
        boolean f = weChatService.checkSignWithMd5(map, weChatConfig.getShopKey());
        if (!f) {
            log.error("回调数据：{}", map);
            throw BusinessRuntimeException.getInstance("支付成功回调, 校验签名失败.");
        }

        String transactionId = map.get("transaction_id");

        if (order.getStatus().equals(RegisterOrderDon.Status.hasPayment)) {
            log.info("已回调，重复修改状态 id:{}", order.getId());
            return;
        }

        // 更改订单状态
        order.setTransactionId(transactionId);
        order.setStatus(RegisterOrderDon.Status.hasPayment);

        order.setPayTime(DateUtil.parse(map.get("time_end"), "yyyyMMddHHmmss"));

        if (StringUtils.isBlank(order.getOpenId())) {
            order.setOpenId(map.get("openid"));
        }


        this.updateById(order);
    }
}