package com.lf.server.controller.data;

import com.baomidou.mybatisplus.core.conditions.query.QueryWrapper;
import com.baomidou.mybatisplus.core.metadata.IPage;
import com.baomidou.mybatisplus.core.metadata.OrderItem;
import com.baomidou.mybatisplus.extension.plugins.pagination.Page;
import com.lf.server.annotation.SysLog;
import com.lf.server.controller.all.BaseUploadController;
import com.lf.server.entity.all.ResponseMsg;
import com.lf.server.entity.all.StaticData;
import com.lf.server.entity.ctrl.TabEntity;
import com.lf.server.entity.ctrl.TabMapperEntity;
import com.lf.server.entity.ctrl.UploadEntity;
import com.lf.server.entity.data.DictEntity;
import com.lf.server.entity.data.MetaEntity;
import com.lf.server.entity.sys.UserEntity;
import com.lf.server.helper.ClassHelper;
import com.lf.server.helper.StringHelper;
import com.lf.server.helper.WebHelper;
import com.lf.server.mapper.all.BasicMapper;
import com.lf.server.service.all.BaseQueryService;
import com.lf.server.service.data.DataLoaderService;
import com.lf.server.service.data.MetaService;
import io.swagger.annotations.Api;
import io.swagger.annotations.ApiImplicitParam;
import io.swagger.annotations.ApiImplicitParams;
import io.swagger.annotations.ApiOperation;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.web.bind.annotation.*;

import javax.servlet.http.HttpServletRequest;
import java.util.ArrayList;
import java.util.Arrays;
import java.util.Date;
import java.util.List;

/**
 * 数据入库
 * @author WWW
 */
@Api(tags = "数据管理\\数据入库")
@RestController
@RequestMapping("/dataLoader")
public class DataLoaderController extends BaseUploadController {
    @Autowired
    MetaService metaService;

    @Autowired
    BaseQueryService baseQueryService;

    @Autowired
    DataLoaderService dataLoaderService;

    public static List<String> extList = new ArrayList<>(Arrays.asList(".xls", ".xlsx", ".mdb", ".zip"));

    @SysLog()
    @ApiOperation(value = "分页查询上传数据并返回记录数")
    @ApiImplicitParams({
            @ApiImplicitParam(name = "name", value = "名称", dataType = "String", paramType = "query", example = ""),
            @ApiImplicitParam(name = "pageSize", value = "每页条数", dataType = "Integer", paramType = "query", example = "10"),
            @ApiImplicitParam(name = "pageIndex", value = "分页数（从1开始）", dataType = "Integer", paramType = "query", example = "1")
    })
    @GetMapping(value = "/selectByPageForUpload")
    public ResponseMsg<Object> selectByPageForUpload(String name, Integer pageSize, Integer pageIndex, HttpServletRequest req) {
        try {
            if (pageSize < 1 || pageIndex < 1) {
                return fail("每页页数或分页数小于1", null);
            }

            UserEntity ue = tokenService.getCurrentUser(req);

            int count = metaService.selectCountForUpload(name, ue.getId(), StaticData.FILE_TYPES);
            if (count == 0) {
                return success(0, null);
            }

            List<MetaEntity> list = metaService.selectByPageForUpload(name, ue.getId(), StaticData.FILE_TYPES, pageSize, pageSize * (pageIndex - 1));

            return success(count, list);
        } catch (Exception ex) {
            return fail(ex.getMessage(), null);
        }
    }

    @SysLog()
    @ApiOperation(value = "查询文件")
    @ApiImplicitParams({
            @ApiImplicitParam(name = "path", value = "路径", dataType = "String", paramType = "query")
    })
    @GetMapping(value = "/selectFiles")
    public ResponseMsg<List<MetaEntity>> selectFiles(String path) {
        try {
            List<MetaEntity> list = baseUploadService.selectFiles(path, extList);

            return success(list);
        } catch (Exception ex) {
            return fail(ex.getMessage(), null);
        }
    }

    @SysLog()
    @ApiOperation(value = "查询所有表")
    @GetMapping(value = "/selectTabs")
    public ResponseMsg<List<TabEntity>> selectTabs() {
        try {
            List<TabEntity> list = baseQueryService.selectTabs();

            return success(list);
        } catch (Exception ex) {
            return fail(ex.getMessage(), null);
        }
    }

    @SysLog()
    @ApiOperation(value = "查询映射")
    @ApiImplicitParams({
            @ApiImplicitParam(name = "path", value = "路径", dataType = "String", paramType = "query")
    })
    @GetMapping(value = "/selectMappers")
    public ResponseMsg<List<TabMapperEntity>> selectMappers(String path) {
        try {
            List<TabMapperEntity> list = dataLoaderService.selectMappers(path);

            return success(list);
        } catch (Exception ex) {
            return fail(ex.getMessage(), null);
        }
    }

    @SysLog()
    @ApiOperation(value = "插入文件")
    @ApiImplicitParams({
            @ApiImplicitParam(name = "entity", value = "上传实体类", dataType = "UploadEntity", paramType = "body")
    })
    @ResponseBody
    @PostMapping(value = "/insertFiles")
    public ResponseMsg<Object> insertFiles(@RequestBody UploadEntity entity, HttpServletRequest req) {
        try {
            UserEntity ue = tokenService.getCurrentUser(req);
            if (ue == null) {
                return fail("用户未登录", null);
            }
            if (null == entity || null == entity.getMetaEntity()) {
                return fail("元数据信息为空", null);
            }

            if (null == entity.getFileEntities() || entity.getFileEntities().isEmpty()) {
                return fail("没有找到上传文件", null);
            }

            MetaEntity me = entity.getMetaEntity();
            me.setCreateTime(WebHelper.getCurrentTimestamp());
            // me.setBatch(StringHelper.YMDHMS_FORMAT.format(new Date(me.getCreateTime().getTime())))
            me.setCreateUser(ue.getId());

            dataLoaderService.insertFiles(me, entity.getFileEntities(), entity.getTabEntities());

            return success("成功", entity.getTabEntities());
        } catch (Exception ex) {
            return fail(ex.getMessage(), null);
        }
    }

    @SysLog()
    @ApiOperation(value = "查询表中数据")
    @ApiImplicitParams({
            @ApiImplicitParam(name = "id", value = "元数据ID", dataType = "Integer", paramType = "query", example = "115"),
            @ApiImplicitParam(name = "pageIndex", value = "分页数（从1开始）", dataType = "Integer", paramType = "query", example = "1"),
            @ApiImplicitParam(name = "pageSize", value = "每页条数", dataType = "Integer", paramType = "query", example = "10")
    })
    @GetMapping(value = "/selectDbData")
    public ResponseMsg<Object> selectDbData(Integer id, Integer pageIndex, Integer pageSize) {
        // noinspection AlibabaRemoveCommentedCode
        try {
            if (null == id || id < 0) {
                return fail("元数据ID不能为空或小于0", null);
            }

            MetaEntity meta = metaService.selectById(id);
            if (null == meta || null == meta.getBstab() || !meta.getBstab().contains(StaticData.POINT)) {
                return fail("找不到元数据信息", null);
            }

            String entity = meta.getBstab().substring(meta.getBstab().indexOf(".") + 1).replace("_", "").toLowerCase();
            BasicMapper baseMapper = ClassHelper.getBasicMapper(entity);
            if (null == baseMapper) {
                return null;
            }

            QueryWrapper wrapper = new QueryWrapper();
            //wrapper.eq("dirid", meta.getDirid());
            //wrapper.eq("depid", meta.getDepid());
            //wrapper.eq("verid", meta.getVerid());
            wrapper.eq("createuser", meta.getCreateUser());
            wrapper.eq("createtime", meta.getCreateTime());

            Page<Object> page = new Page<>(pageIndex, pageSize);
            page.addOrder(OrderItem.asc("gid"));
            IPage<Object> paged = baseMapper.selectPage(page, wrapper);

            return success(paged.getTotal(), paged.getRecords());
        } catch (Exception ex) {
            return fail(ex.getMessage(), null);
        }
    }

    @SysLog()
    @ApiOperation(value = "查询字段信息")
    @ApiImplicitParams({
            @ApiImplicitParam(name = "ns", value = "名称空间", dataType = "String", paramType = "query", example = "bd"),
            @ApiImplicitParam(name = "tab", value = "表名", dataType = "String", paramType = "query", example = "dlg25wAanp")
    })
    @GetMapping(value = "/selectFields")
    public ResponseMsg<List<DictEntity>> selectFields(String ns, String tab) {
        try {
            if (StringHelper.isEmpty(ns) || StringHelper.isEmpty(tab)) {
                return fail("名称空间和表名不能为空", null);
            }

            List<DictEntity> list = baseQueryService.selectFields(ns, tab);

            return success(list);
        } catch (Exception ex) {
            return fail(ex.getMessage(), null);
        }
    }
}