package com.java110.front.smo.assetExport.impl;

import com.alibaba.fastjson.JSONArray;
import com.alibaba.fastjson.JSONObject;
import com.java110.core.component.BaseComponentSMO;
import com.java110.core.context.IPageData;
import com.java110.entity.component.ComponentValidateResult;
import com.java110.front.smo.assetExport.IExportMeterWaterSMO;
import com.java110.utils.constant.ServiceConstant;
import com.java110.utils.util.Assert;
import com.java110.utils.util.DateUtil;
import org.apache.poi.ss.usermodel.*;
import org.apache.poi.ss.util.CellRangeAddress;
import org.apache.poi.xssf.usermodel.XSSFWorkbook;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.http.HttpHeaders;
import org.springframework.http.HttpMethod;
import org.springframework.http.HttpStatus;
import org.springframework.http.ResponseEntity;
import org.springframework.stereotype.Service;
import org.springframework.util.MultiValueMap;
import org.springframework.web.client.RestTemplate;

import java.io.ByteArrayOutputStream;
import java.io.IOException;

/**
 * @ClassName AssetImportSmoImpl
 * @Description TODO
 * @Author wuxw
 * @Date 2019/9/23 23:14
 * @Version 1.0
 * add by wuxw 2019/9/23
 **/
@Service("exportMeterWaterSMOImpl")
public class ExportMeterWaterSMOImpl extends BaseComponentSMO implements IExportMeterWaterSMO {
    private final static Logger logger = LoggerFactory.getLogger(ExportMeterWaterSMOImpl.class);

    @Autowired
    private RestTemplate restTemplate;

    @Override
    public ResponseEntity<Object> exportExcelData(IPageData pd) throws Exception {

        ComponentValidateResult result = this.validateStoreStaffCommunityRelationship(pd, restTemplate);

        Assert.hasKeyAndValue(JSONObject.parseObject(pd.getReqData()), "communityId", "请求中未包含小区");
        Assert.hasKeyAndValue(JSONObject.parseObject(pd.getReqData()), "meterType", "请求中未包含费用项目");

        Workbook workbook = null;  //工作簿
        //工作表
        workbook = new XSSFWorkbook();
        //获取楼信息
        getMeterWater(pd, result, workbook);


        ByteArrayOutputStream os = new ByteArrayOutputStream();
        MultiValueMap headers = new HttpHeaders();
        headers.add("content-type", "application/octet-stream;charset=UTF-8");
        headers.add("Content-Disposition", "attachment;filename=meteWaterImport_" + DateUtil.getyyyyMMddhhmmssDateString() + ".xlsx");
        headers.add("Pargam", "no-cache");
        headers.add("Cache-Control", "no-cache");
        //headers.add("Content-Disposition", "attachment; filename=" + outParam.getString("fileName"));
        headers.add("Accept-Ranges", "bytes");
        byte[] context = null;
        try {
            workbook.write(os);
            context = os.toByteArray();
            os.close();
            workbook.close();
        } catch (IOException e) {
            e.printStackTrace();
            // 保存数据
            return new ResponseEntity<Object>("导出失败", HttpStatus.INTERNAL_SERVER_ERROR);
        }
        // 保存数据
        return new ResponseEntity<Object>(context, headers, HttpStatus.OK);
    }


    /**
     * 查询存在的房屋信息
     * room.queryRooms
     *
     * @param pd
     * @param result
     * @return
     */
    private JSONArray getExistsRoom(IPageData pd, ComponentValidateResult result) {
        String apiUrl = "";
        ResponseEntity<String> responseEntity = null;
        JSONObject reqJson = JSONObject.parseObject(pd.getReqData());
        apiUrl = ServiceConstant.SERVICE_API_URL + "/api/meterWater/queryExportRoomAndMeterWater?page=1&row=10000&communityId="
                + result.getCommunityId() + "&meterType=" + reqJson.getString("meterType");
        responseEntity = this.callCenterService(restTemplate, pd, "", apiUrl, HttpMethod.GET);

        if (responseEntity.getStatusCode() != HttpStatus.OK) { //跳过 保存单元信息
            return null;
        }

        JSONObject savedRoomInfoResults = JSONObject.parseObject(responseEntity.getBody());


        if (!savedRoomInfoResults.containsKey("data")) {
            return null;
        }


        return savedRoomInfoResults.getJSONArray("data");

    }

    /**
     * 获取 房屋信息
     *
     * @param componentValidateResult
     * @param workbook
     */
    private void getMeterWater(IPageData pd, ComponentValidateResult componentValidateResult, Workbook workbook) {
        Sheet sheet = workbook.createSheet("房屋费用信息");
        Row row = sheet.createRow(0);
        Cell cell0 = row.createCell(0);
        cell0.setCellValue("上期度数: 请填写上期表读数 ；\n上期读表时间: " +
                "格式为YYYY-MM-DD； \n本期度数: 本次表读数；\n本期读表时间: 格式为YYYY-MM-DD； " +
                "\n注意：所有单元格式为文本");
        CellStyle cs = workbook.createCellStyle();
        cs.setWrapText(true);  //关键
        cell0.setCellStyle(cs);
        row.setHeight((short) (200 * 10));
        row = sheet.createRow(1);
        row.createCell(0).setCellValue("楼栋编号");
        row.createCell(1).setCellValue("单元编号");
        row.createCell(2).setCellValue("房屋编码");
        row.createCell(3).setCellValue("上期度数");
        row.createCell(4).setCellValue("上期读表时间");
        row.createCell(5).setCellValue("本期度数");
        row.createCell(6).setCellValue("本期读表时间");
        row.createCell(7).setCellValue("备注");

        //查询楼栋信息
        JSONArray rooms = this.getExistsRoom(pd, componentValidateResult);
        if (rooms == null) {
            CellRangeAddress region = new CellRangeAddress(0, 0, 0, 6);
            sheet.addMergedRegion(region);
            return;
        }

        for (int roomIndex = 0; roomIndex < rooms.size(); roomIndex++) {
            row = sheet.createRow(roomIndex + 2);
            row.createCell(0).setCellValue(rooms.getJSONObject(roomIndex).getString("floorNum"));
            row.createCell(1).setCellValue(rooms.getJSONObject(roomIndex).getString("unitNum"));
            row.createCell(2).setCellValue(rooms.getJSONObject(roomIndex).getString("roomNum"));
            row.createCell(3).setCellValue(rooms.getJSONObject(roomIndex).getString("preDegrees"));
            row.createCell(4).setCellValue(rooms.getJSONObject(roomIndex).getString("preReadingTime"));
            row.createCell(5).setCellValue("");
            row.createCell(6).setCellValue("");
            row.createCell(7).setCellValue("");
        }

        CellRangeAddress region = new CellRangeAddress(0, 0, 0, 6);
        sheet.addMergedRegion(region);
    }

    public RestTemplate getRestTemplate() {
        return restTemplate;
    }

    public void setRestTemplate(RestTemplate restTemplate) {
        this.restTemplate = restTemplate;
    }
}