package com.xy.service;

import com.alibaba.excel.EasyExcel;
import com.alibaba.excel.annotation.ExcelProperty;
import com.alibaba.excel.annotation.write.style.ColumnWidth;
import com.alibaba.excel.context.AnalysisContext;
import com.alibaba.excel.read.listener.ReadListener;
import com.baomidou.mybatisplus.core.conditions.query.LambdaQueryWrapper;
import com.baomidou.mybatisplus.core.metadata.IPage;
import com.baomidou.mybatisplus.extension.service.impl.ServiceImpl;
import com.github.yitter.idgen.YitIdHelper;
import com.xy.collections.list.JArrayList;
import com.xy.collections.list.JList;
import com.xy.collections.map.JMap;
import com.xy.config.DeviceThreadPoolConfig;
import com.xy.config.FileConfig;
import com.xy.device.EnumSimConfig;
import com.xy.dto.DeviceSimDto;
import com.xy.entity.DeviceSim;
import com.xy.entity.DeviceSimCharge;
import com.xy.entity.SysDictRedis;
import com.xy.mapper.DeviceSimMapper;
import com.xy.util.ExcelUtils;
import com.xy.utils.*;
import io.swagger.annotations.Api;
import io.swagger.annotations.ApiOperation;
import lombok.AllArgsConstructor;
import lombok.Data;
import lombok.RequiredArgsConstructor;
import lombok.SneakyThrows;
import lombok.extern.slf4j.Slf4j;
import org.springframework.stereotype.Service;
import org.springframework.web.bind.annotation.PostMapping;
import org.springframework.web.bind.annotation.RequestBody;
import org.springframework.web.bind.annotation.RequestParam;
import org.springframework.web.multipart.MultipartFile;

import javax.servlet.http.HttpServletResponse;
import java.io.File;
import java.io.IOException;
import java.io.InputStream;
import java.io.OutputStream;
import java.time.LocalDateTime;
import java.util.ArrayList;
import java.util.List;
import java.util.Map;

import static com.xy.utils.PlusBeans.toIPage;
import static com.xy.utils.PlusBeans.toPageBean;


/**
 * <p>
 * 设备流量卡 服务实现类
 * </p>
 *
 * @author lijin
 * @since 2023-10-16
 */
@Service
@AllArgsConstructor
@Api(tags = "设备流量卡")
public class DeviceSimServiceImpl extends ServiceImpl<DeviceSimMapper, DeviceSim> implements DeviceSimService {

    private DeviceSimChargeServiceImpl deviceSimChargeService;

    private HttpServletResponse response;

    private FileConfig fileConfig;

    @Override
    @ApiOperation("购买")
    public R pay(DeviceSimDto.Pay pay) {
        LocalDateTime now = LocalDateTime.now();
        List<DeviceSimDto.Pay.DeviceSimCharge> deviceSimCharges = pay.getDeviceSimCharges();
        List<DeviceSimCharge> deviceSimChargess = new ArrayList<>(deviceSimCharges.size());
        deviceSimCharges.forEach(deviceSimCharge -> {
            DeviceSimCharge deviceSimChargeInfo = new DeviceSimCharge()
                    .setId(YitIdHelper.nextId())
                    .setOrderId(pay.getOrderId())
                    .setSimId(deviceSimCharge.getSimId())
                    .setMercId(pay.getMercId())
                    .setMoney(deviceSimCharge.getMoney())
                    .setSize(deviceSimCharge.getSize())
                    .setPayType(pay.getPayType())
                    .setNote(pay.getNote())
                    .setCreateTime(now)
                    .setUpdateTime(now);
            deviceSimChargess.add(deviceSimChargeInfo);
        });
        deviceSimChargeService.saveBatch(deviceSimChargess);
        return R.ok();
    }

    @Override
    @ApiOperation("购买回调")
    public R payNotice(DeviceSimDto.PayNotice payNotice) {
        //查询设备流量卡充值表
        List<DeviceSimCharge> list = deviceSimChargeService.list(new LambdaQueryWrapper<DeviceSimCharge>().eq(DeviceSimCharge::getOrderId, payNotice.getOrderId()));
        if (!Emptys.check(list)) {
            return R.ok();
        }
        //查询设备流量卡
        JList<DeviceSimCharge> deviceSimCharges = new JArrayList<>(list);
        JMap<String, DeviceSimCharge> deviceSimChargesJMaps = deviceSimCharges.toMap(DeviceSimCharge::getSimId).cover();
        List<DeviceSim> deviceSims = listByIds(deviceSimCharges.getProperty(DeviceSimCharge::getSimId));
        //循环处理
        LocalDateTime now = LocalDateTime.now();
        deviceSims.forEach(deviceSim -> {
            DeviceSimCharge deviceSimCharge = deviceSimChargesJMaps.get(deviceSim.getId());
            String newTimeout = deviceSimCharge.getPayType() == 100 ? DataTime.getStringAround(0, 0, deviceSimCharge.getSize(), 0, 0, 0)
                    : DataTime.getStringAround(deviceSimCharge.getSize(), 0, 0, 0, 0, 0);
            long d = DataTime.diff(now, deviceSim.getTimeout(), "d");
            if (d > 0) {
                newTimeout = DataTime.getStringAround(0, 0, (int) d, 0, 0, 0, newTimeout);
            }
            deviceSim.setTimeout(DataTime.toLocal(newTimeout))
                    .setLastRenewalTime(now)
                    .setUpdateTime(now);
        });
        updateBatchById(deviceSims);
        return R.ok();
    }

    @PostMapping("page")
    @ApiOperation("分页查询")
    public R<PageBean<DeviceSimDto.PageVo>> page(@RequestBody DeviceSimDto.Page page) {
        Map<String, SysDictRedis> simConfig = SysDictUtils.get(EnumSimConfig.Code.CODE.getCode());
        Integer value = Integer.valueOf(simConfig.get(EnumSimConfig.N_200.getCode()).getValue());
        String theTime = DataTime.getStringAround(0, 0, value, 0, 0, 0);
        page.setThisTime(LocalDateTime.now()).setTheTime(DataTime.toLocal(theTime));
        IPage<DeviceSimDto.PageVo> iPage = baseMapper.page(toIPage(page.getPage()), page);
        List<DeviceSimDto.PageVo> records = iPage.getRecords();
        if (Emptys.check(records)) {
            String name = simConfig.get(EnumSimConfig.name.getCode()).getValue();
            Integer money = Integer.valueOf(simConfig.get(EnumSimConfig.money.getCode()).getValue());
            records.forEach(record -> {
                //封装过期状态说明
                DeviceSimDto.Vo sim = record.getSim();
                if (Emptys.check(sim)) {
                    String timeoutStatus;
                    LocalDateTime timeout = sim.getTimeout();
                    long s = DataTime.diff(page.getThisTime(), timeout, "s");
                    if (s <= 0) {
                        timeoutStatus = "欠费(" + (~(s / 86400 - 1)) + "天)";
                    } else {
                        timeoutStatus = s <= value * 86400 ? "即将到期(" + s / 86400 + "天)" : "正常(" + s / 86400 + "天)";
                    }
                    record.getSim().setTimeoutStatus(timeoutStatus);
                }
                //封装计费标准
                record.setChargingName(name).setChargingMoney(money);
            });
        }
        return R.ok(toPageBean(iPage));
    }

    @SneakyThrows
    @ApiOperation("导出流量卡数据")
    @PostMapping("download")
    public void download(@RequestBody DeviceSimDto.Page page) {
        //生成excel
        String name = YitIdHelper.nextId() + ".xlsx";
        String path = fileConfig.getPath() + File.separator + name;
        ExcelUtils.SheetAndData<UploadSim> sheetAndData = ExcelUtils.create(path, UploadSim.class);
        sheetAndData.sheet("流量卡数据", () -> {
            List<DeviceSimDto.PageVo> pageVos = baseMapper.page(page);
            List<UploadSim> uploadSims = new ArrayList<>();
            pageVos.forEach(pageVo -> {
                UploadSim uploadSim = new UploadSim();
                uploadSim.setSimId(pageVo.getSimIccid());
                DeviceSimDto.Vo sim = pageVo.getSim();
                if (sim != null) {
                    uploadSim.setActivateTime(DataTime.toString(sim.getActivateTime()));
                    uploadSim.setTimeout(DataTime.toString(sim.getTimeout()));
                }
                uploadSims.add(uploadSim);
            });
            return uploadSims;
        }).builder();
        //下载文件
        InputStream inputStream = IoUtils.inputStream(path).get();
        response.setHeader("Content-Disposition", "attachment; filename=" + "sim_data.xlsx");
        response.setContentType("application/xlsx");
        byte[] buffer = new byte[1024];
        int bytesRead;
        OutputStream outputStream = response.getOutputStream();
        while ((bytesRead = inputStream.read(buffer)) != -1) {
            outputStream.write(buffer, 0, bytesRead);
        }
        inputStream.close();
        outputStream.close();
        //删除文件
        new File(path).delete();
    }

    @ApiOperation("导入流量卡号数据")
    @PostMapping("uploadSim")
    public R uploadSim(@RequestParam("file") MultipartFile file) {
        ThreadPoolUtils.excPoll(DeviceThreadPoolConfig.DEVICE_COMMON_POLL, 1)
                .execute(() -> {
                    try {
                        EasyExcel.read(file.getInputStream(), UploadSim.class, new UploadSimListener(this)).sheet().doRead();
                    } catch (IOException e) {
                        log.error("", e);
                    }
                });
        return R.ok();
    }

    @Slf4j
    @RequiredArgsConstructor
    public static class UploadSimListener implements ReadListener<UploadSim> {

        private final DeviceSimServiceImpl deviceSimService;

        private JList<UploadSim> sims = new JArrayList<>();

        /**
         * 这个每一条数据解析都会来调用
         *
         * @param data    one row value. Is is same as {@link AnalysisContext#readRowHolder()}
         * @param context
         */
        @Override
        public void invoke(UploadSim data, AnalysisContext context) {
            sims.add(data);
        }

        /**
         * 所有数据解析完成了 都会来调用
         *
         * @param context
         */
        @Override
        public void doAfterAllAnalysed(AnalysisContext context) {
            List<DeviceSim> deviceSims = deviceSimService.listByIds(sims.getProperty(UploadSim::getSimId));
            JMap<String, DeviceSim> deviceSimsJMaps = new JArrayList<>(deviceSims).toMap(DeviceSim::getId).cover();
            LocalDateTime now = LocalDateTime.now();
            JList<DeviceSim> saveDeviceSims = new JArrayList<>();
            sims.forEach(uploadSim -> {
                if (deviceSimsJMaps.containsKey(uploadSim.getSimId())) {
                    return;
                }
                DeviceSim deviceSim = new DeviceSim()
                        .setId(uploadSim.getSimId().trim().replace("\"", "").replace("'", ""))
                        .setActivateTime(DataTime.toLocal(uploadSim.getActivateTime()))
                        .setTimeout(DataTime.toLocal(uploadSim.getTimeout()))
                        .setCreateTime(now)
                        .setUpdateTime(now);
                deviceSim.setLastRenewalTime(deviceSim.getActivateTime());
                saveDeviceSims.add(deviceSim);
            });
            deviceSimService.saveBatch(saveDeviceSims);
        }
    }

    @Data
    public static class UploadSim {

        @ColumnWidth(25)
        @ExcelProperty(value = "流量卡号")
        private String simId;

        @ColumnWidth(25)
        @ExcelProperty(value = "类型")
        private String type;

        @ColumnWidth(50)
        @ExcelProperty(value = "激活时间")
        private String activateTime;

        @ColumnWidth(50)
        @ExcelProperty(value = "过期时间")
        private String timeout;

    }
}