package com.farriver.bwf.service.system;

import com.farriver.bwf.common.model.ApiPageData;
import com.farriver.bwf.common.utilities.DateTimeUtils;
import com.farriver.bwf.common.utilities.FileUtil;
import com.farriver.bwf.common.utilities.ListUtils;
import com.farriver.bwf.data.transferobject.queryobject.system.SystemLogQueryObject;
import com.farriver.bwf.data.transferobject.viewmodel.system.SystemLogViewModel;
import com.farriver.bwf.service.ServiceBase;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import org.springframework.beans.factory.annotation.Value;
import org.springframework.stereotype.Service;

import java.io.File;
import java.text.SimpleDateFormat;
import java.util.*;
import java.util.stream.Collectors;

@Service
public class SystemLogService extends ServiceBase {
    private static final Logger logger = LoggerFactory.getLogger(SystemLogService.class);

    @Value("${log.path}")
    public String logPath;

    @Value("${log.alias}")
    public String logAlias;

    public ApiPageData GetViewPageList(SystemLogQueryObject queryObject) {
        String folder = logPath;
        List<File> logfiles = FileUtil.getFiles(folder);

        List<SystemLogViewModel> viewModels = new ArrayList<>();

        String[] modules = folder.split("/");
        String module = modules[modules.length - 1];
        for (File file : logfiles) {
            SystemLogViewModel sytemLog = new SystemLogViewModel();
            sytemLog.setId(UUID.randomUUID().toString());
            sytemLog.setModule(module);
            sytemLog.setSource("../../" + module + "/" + file.getName());

            Date datetime = DateTimeUtils.parseDate(file.getName(), new SimpleDateFormat("yyyy-MM-dd-HH-mm"));
            if (datetime != null) sytemLog.setActiontime(datetime);

            viewModels.add(sytemLog);
        }

        //查询条件
        if (queryObject.getStartDateTime() != null && queryObject.getEndDateTime() != null) {
            viewModels = viewModels.stream().filter(e -> e.getActiontime().after(queryObject.getStartDateTime()) && e.getActiontime().before(queryObject.getEndDateTime())).collect(Collectors.toList());
        }

        Collections.sort(viewModels, (SystemLogViewModel o1, SystemLogViewModel o2) -> o2.getActiontime().compareTo(o1.getActiontime()));

        //分页-内存
        List<SystemLogViewModel> pagelist = ListUtils.pagination(viewModels, queryObject.getPageIndex(), queryObject.getPageSize());

        ApiPageData bean = ApiPageData.build();
        bean.setData(pagelist);
        bean.setTotal(viewModels.size());

        return bean;
    }
}