package com.epmet.controller;

import com.alibaba.excel.EasyExcel;
import com.alibaba.excel.ExcelWriter;
import com.alibaba.excel.write.metadata.WriteSheet;
import com.epmet.commons.tools.annotation.LoginUser;
import com.epmet.commons.tools.aop.NoRepeatSubmit;
import com.epmet.commons.tools.constant.AppClientConstant;
import com.epmet.commons.tools.constant.NumConstant;
import com.epmet.commons.tools.constant.ServiceConstant;
import com.epmet.commons.tools.exception.EpmetErrorCode;
import com.epmet.commons.tools.exception.EpmetException;
import com.epmet.commons.tools.exception.ExceptionUtils;
import com.epmet.commons.tools.feign.ResultDataResolver;
import com.epmet.commons.tools.page.PageData;
import com.epmet.commons.tools.security.dto.TokenDto;
import com.epmet.commons.tools.utils.EpmetRequestHolder;
import com.epmet.commons.tools.utils.ExcelUtils;
import com.epmet.commons.tools.utils.FileUtils;
import com.epmet.commons.tools.utils.Result;
import com.epmet.commons.tools.validator.ValidatorUtils;
import com.epmet.constants.ImportTaskConstants;
import com.epmet.dto.IcNatDTO;
import com.epmet.dto.form.AddIcNatFormDTO;
import com.epmet.dto.form.ImportTaskCommonFormDTO;
import com.epmet.dto.form.MyNatListFormDTO;
import com.epmet.dto.result.ImportTaskCommonResultDTO;
import com.epmet.dto.result.MyNatListResultDTO;
import com.epmet.dto.result.NatListResultDTO;
import com.epmet.feign.EpmetCommonServiceOpenFeignClient;
import com.epmet.service.IcNatService;
import lombok.extern.slf4j.Slf4j;
import org.apache.commons.collections4.CollectionUtils;
import org.apache.commons.io.IOUtils;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.http.HttpHeaders;
import org.springframework.web.bind.annotation.*;
import org.springframework.web.multipart.MultipartFile;

import javax.servlet.ServletOutputStream;
import javax.servlet.http.HttpServletResponse;
import java.io.FileOutputStream;
import java.io.IOException;
import java.io.InputStream;
import java.net.URLEncoder;
import java.nio.file.Path;
import java.util.List;
import java.util.UUID;


/**
 * 核酸上报记录
 *
 * @author generator generator@elink-cn.com
 * @since v1.0.0 2022-03-25
 */
@Slf4j
@RestController
@RequestMapping("icNat")
public class IcNatController implements ResultDataResolver {

    @Autowired
    private IcNatService icNucleinService;

    @Autowired
    private EpmetCommonServiceOpenFeignClient commonServiceOpenFeignClient;


    /**
     * @Author sun
     * @Description 核酸检测-上报核酸记录
     **/
    //@NoRepeatSubmit
    @PostMapping("add")
    public Result add(@LoginUser TokenDto tokenDto, @RequestBody AddIcNatFormDTO formDTO) {
        ValidatorUtils.validateEntity(formDTO, AddIcNatFormDTO.Nat.class);
        formDTO.setCustomerId(tokenDto.getCustomerId());
        formDTO.setStaffId(tokenDto.getUserId());
        icNucleinService.add(formDTO);
        return new Result();
    }

    /**
     * @Author sun
     * @Description 核酸检测-居民端我的上报
     **/
    @NoRepeatSubmit
    @PostMapping("mynatlist")
    public Result<List<MyNatListResultDTO>> myNatList(@LoginUser TokenDto tokenDto, @RequestBody MyNatListFormDTO formDTO) {
        ValidatorUtils.validateEntity(formDTO, MyNatListFormDTO.MyNat.class);
        formDTO.setCustomerId(tokenDto.getCustomerId());
        return new Result<List<MyNatListResultDTO>>().ok(icNucleinService.myNatList(formDTO));
    }

    /**
     * @Author sun
     * @Description 【核酸】核酸检测信息列表
     **/
    @NoRepeatSubmit
    @PostMapping("natlist")
    public Result<PageData<NatListResultDTO>> natList(@LoginUser TokenDto tokenDto, @RequestBody MyNatListFormDTO formDTO) {
        formDTO.setCustomerId(tokenDto.getCustomerId());
        formDTO.setUserId(tokenDto.getUserId());
        return new Result<PageData<NatListResultDTO>>().ok(icNucleinService.natList(formDTO));
    }

    /**
     * @Author sun
     * @Description 【核酸】核酸检测信息详情
     **/
    @NoRepeatSubmit
    @PostMapping("detail")
    public Result<IcNatDTO> detail(@RequestBody MyNatListFormDTO formDTO) {
        ValidatorUtils.validateEntity(formDTO, MyNatListFormDTO.Detail.class);
        return new Result<IcNatDTO>().ok(icNucleinService.detail(formDTO));
    }

    /**
     * @Author sun
     * @Description 【核酸】核酸检测信息修改
     **/
    @NoRepeatSubmit
    @PostMapping("edit")
    public Result edit(@LoginUser TokenDto tokenDto, @RequestBody AddIcNatFormDTO formDTO) {
        formDTO.setCustomerId(tokenDto.getCustomerId());
        formDTO.setStaffId(tokenDto.getUserId());
        icNucleinService.edit(formDTO);
        return new Result();
    }

    /**
     * @Author sun
     * @Description 【核酸】核酸检测信息删除/取消同步
     **/
    @NoRepeatSubmit
    @PostMapping("del")
    public Result del(@RequestBody MyNatListFormDTO formDTO) {
        ValidatorUtils.validateEntity(formDTO, MyNatListFormDTO.Del.class);
        icNucleinService.del(formDTO);
        return new Result<>();
    }

    /**
     * @Author sun
     * @Description 【核酸】核酸检测信息同步
     **/
    @NoRepeatSubmit
    @PostMapping("synchro")
    public Result synchro(@LoginUser TokenDto tokenDto, @RequestBody MyNatListFormDTO formDTO) {
        ValidatorUtils.validateEntity(formDTO, MyNatListFormDTO.Synchro.class);
        formDTO.setCustomerId(tokenDto.getCustomerId());
        formDTO.setUserId(tokenDto.getUserId());
        icNucleinService.synchro(formDTO);
        return new Result();
    }

    /**
     * 导入excel
     * @return
     */
    @PostMapping("import")
    public Result importExcel(MultipartFile file) {
        String userId = EpmetRequestHolder.getHeader(AppClientConstant.USER_ID);

        // 1.暂存文件
        String originalFilename = file.getOriginalFilename();
        String extName = originalFilename.substring(originalFilename.lastIndexOf("."));

        Path fileSavePath;
        try {
            Path importPath = FileUtils.getAndCreateDirUnderEpmetFilesDir("ic_nat", "import");
            fileSavePath = importPath.resolve(UUID.randomUUID().toString().concat(extName));
        } catch (IOException e) {
            String errorMsg = ExceptionUtils.getErrorStackTrace(e);
            log.error("【核酸检测导入】创建临时存储文件失败:{}", errorMsg);
            throw new EpmetException(EpmetErrorCode.EPMET_COMMON_OPERATION_FAIL.getCode(), "文件上传失败", "文件上传失败");
        }

        InputStream is = null;
        FileOutputStream os = null;

        try {
            is = file.getInputStream();
            os = new FileOutputStream(fileSavePath.toString());
            IOUtils.copy(is, os);
        } catch (Exception e) {
            e.printStackTrace();
        } finally {
            org.apache.poi.util.IOUtils.closeQuietly(is);
            org.apache.poi.util.IOUtils.closeQuietly(os);
        }

        // 2.生成导入任务记录
        ImportTaskCommonFormDTO importTaskForm = new ImportTaskCommonFormDTO();
        importTaskForm.setOperatorId(userId);
        importTaskForm.setBizType(ImportTaskConstants.BIZ_TYPE_IC_NAT);
        importTaskForm.setOriginFileName(originalFilename);

        ImportTaskCommonResultDTO rstData = getResultDataOrThrowsException(commonServiceOpenFeignClient.createImportTask(importTaskForm),
                ServiceConstant.EPMET_COMMON_SERVICE,
                EpmetErrorCode.EPMET_COMMON_OPERATION_FAIL.getCode(),
                "excel导入核酸检测信息错误",
                "导入居民核酸检测信息失败");

        // 3.执行导入
        icNucleinService.execAsyncExcelImport(fileSavePath, rstData.getTaskId());

        return new Result();
    }

    /**
     * @Author sun
     * @Description 【核酸】核酸检测信息下载模板
     **/
    @RequestMapping(value = "import-template-download", method = {RequestMethod.GET, RequestMethod.POST})
    public void downloadTemplate(HttpServletResponse response) throws IOException {
        response.setCharacterEncoding("UTF-8");
        response.addHeader(HttpHeaders.ACCESS_CONTROL_EXPOSE_HEADERS, "Content-Disposition");
        //response.setHeader(HttpHeaders.CONTENT_TYPE, "application/vnd.ms-excel");
        response.setHeader(HttpHeaders.CONTENT_TYPE, "application/vnd.openxmlformats-officedocument.spreadsheetml.sheet");
        response.setHeader(HttpHeaders.CONTENT_DISPOSITION, "attachment;filename=" + URLEncoder.encode("社区自组织导入模板", "UTF-8") + ".xlsx");

        InputStream is = this.getClass().getClassLoader().getResourceAsStream("excel/ic_nat.xlsx");
        try {
            ServletOutputStream os = response.getOutputStream();
            IOUtils.copy(is, os);
        } finally {
            if (is != null) {
                is.close();
            }
        }

    }

    /**
     * @Author sun
     * @Description 【核酸】核酸检测信息列表
     **/
    @NoRepeatSubmit
    @PostMapping("export")
    public void export(@LoginUser TokenDto tokenDto, @RequestBody MyNatListFormDTO formDTO, HttpServletResponse response) {
        formDTO.setCustomerId(tokenDto.getCustomerId());
        formDTO.setUserId(tokenDto.getUserId());

        //formDTO.setCustomerId("45687aa479955f9d06204d415238f7cc");
        //formDTO.setUserId("73ae6280e46a6653a5605d51d5462725");

        formDTO.setPage(false);

        ExcelWriter excelWriter = null;
        formDTO.setPageSize(NumConstant.TEN_THOUSAND);
        int pageNo = formDTO.getPageNo();
        try {
            // 这里 需要指定写用哪个class去写
            String fileName = "核酸检测信息.xlsx";
            excelWriter = EasyExcel.write(ExcelUtils.getOutputStreamForExcel(fileName, response),NatListResultDTO.class).build();
            WriteSheet writeSheet = EasyExcel.writerSheet("Sheet1").build();
            PageData<NatListResultDTO> data = null;
            do {
                data = icNucleinService.natList(formDTO);
                data.getList().forEach(o->o.setNatResult(NumConstant.ONE_STR.equals(o.getNatResult())?"阳性":"阴性"));
                formDTO.setPageNo(++pageNo);
                excelWriter.write(data.getList(), writeSheet);
            } while (CollectionUtils.isNotEmpty(data.getList()) && data.getList().size()==formDTO.getPageSize());

        }catch (Exception e){
            log.error("export exception", e);
        }finally {
            // 千万别忘记finish 会帮忙关闭流
            if (excelWriter != null) {
                excelWriter.finish();
            }
        }
    }


}