package cn.com.qmth.im.bean;

import java.io.IOException;
import java.util.ArrayList;
import java.util.LinkedHashMap;
import java.util.List;
import java.util.Map;

import org.apache.commons.collections4.CollectionUtils;
import org.apache.log4j.LogManager;
import org.apache.log4j.Logger;
import org.apache.poi.xssf.usermodel.XSSFRow;
import org.apache.poi.xssf.usermodel.XSSFSheet;
import org.apache.poi.xssf.usermodel.XSSFWorkbook;

import cn.com.qmth.im.config.Param;
import cn.com.qmth.im.multithread.Producer;

public class DeleteQuestionProducer extends Producer<DeleteQuestionDto, DeleteQuestionConsumer> {

    private static Logger logger = LogManager.getLogger(DeleteQuestionProducer.class);

    @Override
    protected void produce(Map<String, Object> param) throws Exception {
        logger.info("***************************任务生产开始");
        List<QuestionId> ids = readSubject();
        if (CollectionUtils.isEmpty(ids)) {
            logger.warn("***************************!!没有需要处理的数据");
        }
        logger.info("***************************总题数：" + ids.size());
        Map<String, List<QuestionId>> map = new LinkedHashMap<>();
        for (QuestionId id : ids) {
            List<QuestionId> tem = map.get(id.getCourseCode());
            if (tem == null) {
                tem = new ArrayList<>();
                map.put(id.getCourseCode(), tem);
            }
            tem.add(id);
        }
        setTotal(map.size());
        logger.info("***************************总科目数：" + map.size());
        for (List<QuestionId> dto : map.values()) {
            offer(new DeleteQuestionDto(dto));
        }
        logger.info("***************************任务生产结束");
    }

    private static List<QuestionId> readSubject() {
        List<QuestionId> list = new ArrayList<>();
        XSSFWorkbook wb = null;
        try {
            wb = new XSSFWorkbook(Param.dataDir + "/duplicatequestion.xlsx");
            XSSFSheet sheet = wb.getSheetAt(0);
            int rows = sheet.getLastRowNum();
            for (int i = 1; i <= rows; i++) {
                XSSFRow row = sheet.getRow(i);
                String valid = row.getCell(9).getStringCellValue().trim();
                if ("否".equals(valid)) {
                    QuestionId c = new QuestionId();
                    String courseCode = row.getCell(1).getStringCellValue().trim();
                    String uid = row.getCell(7).getStringCellValue().trim();
                    String qid = row.getCell(8).getStringCellValue().trim();
                    c.setCourseCode(courseCode);
                    c.setUnitId(uid);
                    c.setQuestionId(qid);
                    list.add(c);
                }
            }
        } catch (IOException e) {
            throw new RuntimeException(e);
        } finally {
            if (wb != null) {
                try {
                    wb.close();
                } catch (IOException e) {
                }
            }
        }
        return list;
    }

    @Override
    protected String getTaskName() {
        return "删除试题";
    }

}