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.NumConstant;
import com.epmet.commons.tools.dto.form.PageFormDTO;
import com.epmet.commons.tools.page.PageData;
import com.epmet.commons.tools.security.dto.TokenDto;
import com.epmet.commons.tools.utils.ConvertUtils;
import com.epmet.commons.tools.utils.ExcelUtils;
import com.epmet.commons.tools.utils.Result;
import com.epmet.commons.tools.utils.poi.excel.handler.FreezeAndFilter;
import com.epmet.commons.tools.validator.AssertUtils;
import com.epmet.commons.tools.validator.ValidatorUtils;
import com.epmet.commons.tools.validator.group.AddGroup;
import com.epmet.commons.tools.validator.group.UpdateGroup;
import com.epmet.commons.tools.validator.group.DefaultGroup;
import com.epmet.dto.IcDangerAreaDTO;
import com.epmet.dto.form.DangerAreaListFormDTO;
import com.epmet.dto.result.NatListCommonExcelResultDTO;
import com.epmet.dto.result.NatListResultDTO;
import com.epmet.enums.DangerLevelEnum;
import com.epmet.excel.IcDangerAreaResultExcel;
import com.epmet.service.IcDangerAreaService;
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 javax.servlet.ServletOutputStream;
import javax.servlet.http.HttpServletResponse;
import java.io.IOException;
import java.io.InputStream;
import java.net.URLEncoder;
import java.util.List;
import java.util.Map;


/**
 * 疫情风险地区
 *
 * @author generator generator@elink-cn.com
 * @since v1.0.0 2022-10-31
 */
@RestController
@Slf4j
@RequestMapping("icDangerArea")
public class IcDangerAreaController {

    @Autowired
    private IcDangerAreaService icDangerAreaService;

    @RequestMapping("page")
    public Result<PageData<IcDangerAreaDTO>> page(@RequestParam Map<String, Object> params){
        PageData<IcDangerAreaDTO> page = icDangerAreaService.page(params);
        return new Result<PageData<IcDangerAreaDTO>>().ok(page);
    }

    @RequestMapping(value = "{id}",method = {RequestMethod.POST,RequestMethod.GET})
    public Result<IcDangerAreaDTO> get(@PathVariable("id") String id){
        IcDangerAreaDTO data = icDangerAreaService.get(id);
        return new Result<IcDangerAreaDTO>().ok(data);
    }

    /**
     * @Description 新增
     * @param dto
     * @param tokenDto
     * @Author zxc
     * @Date 2022/11/1 09:09
     */
    @NoRepeatSubmit
    @PostMapping("save")
    public Result save(@RequestBody IcDangerAreaDTO dto, @LoginUser TokenDto tokenDto){
        ValidatorUtils.validateEntity(dto, AddGroup.class, DefaultGroup.class);
        dto.setCustomerId(tokenDto.getCustomerId());
        icDangerAreaService.save(dto);
        return new Result();
    }

    @NoRepeatSubmit
    @PostMapping("update")
    public Result update(@RequestBody IcDangerAreaDTO dto){
        //效验数据
        ValidatorUtils.validateEntity(dto, UpdateGroup.class, DefaultGroup.class);
        icDangerAreaService.update(dto);
        return new Result();
    }

    @PostMapping("delete")
    public Result delete(@RequestBody List<String> ids,@LoginUser TokenDto tokenDto){
        icDangerAreaService.delete(ids,tokenDto.getUserId());
        return new Result();
    }

    @RequestMapping("list")
    public Result<PageData<IcDangerAreaDTO>> list(@RequestBody DangerAreaListFormDTO formDTO,@LoginUser TokenDto tokenDto){
        ValidatorUtils.validateEntity(formDTO, PageFormDTO.AddUserInternalGroup.class);
        formDTO.setCustomerId(tokenDto.getCustomerId());
        return new Result<PageData<IcDangerAreaDTO>>().ok(icDangerAreaService.list(formDTO));
    }

    @RequestMapping("export")
    public void export(@LoginUser TokenDto tokenDto,@RequestBody DangerAreaListFormDTO formDTO,HttpServletResponse response){
        formDTO.setCustomerId(tokenDto.getCustomerId());
        ExcelWriter excelWriter = null;
        int pageNo = NumConstant.ONE;
        formDTO.setPageSize(NumConstant.ONE_THOUSAND);
        try {
            excelWriter = EasyExcel.write(ExcelUtils.getOutputStreamForExcel("风险地区", response), IcDangerAreaResultExcel.class).build();
            WriteSheet writeSheet = EasyExcel.writerSheet("Sheet1").registerWriteHandler(new FreezeAndFilter()).build();
            Integer size;
            do {
                PageData<IcDangerAreaDTO> list = icDangerAreaService.list(formDTO);
                List<IcDangerAreaDTO> data = list.getList();
                if (CollectionUtils.isNotEmpty(data)){
                    data.forEach(d -> {
                        d.setDangerLevel(DangerLevelEnum.getNameByCode(d.getDangerLevel()));
                    });
                }
                excelWriter.write(ConvertUtils.sourceToTarget(data,IcDangerAreaResultExcel.class), writeSheet);
                formDTO.setPageNo(pageNo++);
                size = data.size();
            } while (size == NumConstant.ONE_THOUSAND);
        }catch (Exception e){
            log.error("export exception", e);
        }finally {
            if (excelWriter != null) {
                excelWriter.finish();
            }
        }
    }

    /**
     * @Description 模板下载
     * @param response
     * @Author zxc
     * @Date 2022/11/1 09:52
     */
    @PostMapping("downloadTemplate")
    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.openxmlformats-officedocument.spreadsheetml.sheet");
        response.setHeader(HttpHeaders.CONTENT_DISPOSITION, "attachment;filename=" + URLEncoder.encode("风险地区导入模板", "UTF-8") + ".xlsx");
        InputStream is = this.getClass().getClassLoader().getResourceAsStream("excel/ic_danger_area_template.xlsx");
        try {
            ServletOutputStream os = response.getOutputStream();
            IOUtils.copy(is, os);
        } finally {
            if (is != null) {
                is.close();
            }
        }
    }

}