package com.terra.system.controller.show;

import com.terra.system.annotation.SysLog;
import com.terra.system.controller.all.BaseController;
import com.terra.system.entity.all.HttpStatus;
import com.terra.system.entity.all.ResponseMsg;
import com.terra.system.entity.data.DownloadEntity;
import com.terra.system.entity.show.ExportEntity;
import com.terra.system.entity.sys.UserEntity;
import com.terra.system.helper.StringHelper;
import com.terra.system.helper.WebHelper;
import com.terra.system.service.data.DownloadService;
import com.terra.system.service.show.ExportService;
import com.terra.system.service.sys.DownlogService;
import com.terra.system.service.sys.TokenService;
import io.swagger.annotations.Api;
import io.swagger.annotations.ApiImplicitParam;
import io.swagger.annotations.ApiImplicitParams;
import io.swagger.annotations.ApiOperation;
import javax.annotation.Resource;

import org.springframework.web.bind.annotation.*;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import java.util.List;

/**
 * 在线制图
 * @author WWW
 */
@Api(tags = "综合展示\\在线制图")
@RestController
@RequestMapping("/export")
public class ExportController  extends BaseController {
    @Resource
    TokenService tokenService;

    @Resource
    ExportService exportService;

    @Resource
    DownlogService downlogService;

    @Resource
    DownloadService downloadService;

    @SysLog()
    @ApiOperation(value = "分页查询下载文件")
    @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 = "/selectByPage")
    public ResponseMsg<List<DownloadEntity>> selectPageCountForDownload(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);
            if (ue == null) {
                return fail("用户未登录", null);
            }

            int count = downloadService.selectCountForUser(ue.getId(), "2", name);
            if (count == 0) {
                return success(0, null);
            }
            List<DownloadEntity> rs = downloadService.selectByPageForUser(ue.getId(), "2", name, pageSize, pageSize * (pageIndex - 1));

            return success(count, rs);
        } catch (Exception ex) {
            return fail(ex, null);
        }
    }

    @SysLog()
    @ApiOperation(value = "新建出图")
    @ApiImplicitParams({
            @ApiImplicitParam(name = "entity", value = "在线制图实体类", dataType = "ExportEntity", paramType = "body")
    })
    @ResponseBody
    @PostMapping(value = "/insertMap", produces = "application/json; charset=UTF-8")
    public ResponseMsg<String> insertMap(@RequestBody ExportEntity entity, HttpServletRequest req) {
        try {
            boolean flag = entity.getXmin() == 0 && entity.getYmin() == 0 && entity.getXmax() == 0 && entity.getYmax() == 0;
            if (StringHelper.isEmpty(entity.getLayers()) || StringHelper.isEmpty(entity.getToken()) || flag) {
                return fail("参数不完整");
            }

            UserEntity ue = tokenService.getCurrentUser(req);
            if (ue == null) {
                return fail("用户未登录");
            }

            String str = exportService.post(ue, entity);
            if (StringHelper.isNull(str)) {
                return fail("出图失败");
            }

            return success("出图成功", str);
        } catch (Exception ex) {
            return fail(ex, null);
        }
    }

    @SysLog()
    @ApiOperation(value = "下载出图")
    @ApiImplicitParams({
            @ApiImplicitParam(name = "guid", value = "文件GUID", dataType = "String", paramType = "query")
    })
    @RequestMapping(value = "/downloadFile", method = RequestMethod.GET)
    public void downloadFile(String guid, HttpServletRequest req, HttpServletResponse res) {
        try {
            if (StringHelper.isEmpty(guid)) {
                WebHelper.writeInfo(HttpStatus.BAD_REQUEST, "找不到文件ID", res);
                return;
            }

            DownloadEntity de = downloadService.selectByGuid(guid);
            if (null == de) {
                WebHelper.writeInfo(HttpStatus.NOT_FOUND, "文件不存在", res);
                return;
            }

            UserEntity ue = tokenService.getCurrentUser(req);
            downlogService.updateInfos(ue, de, req);

            String filePath = downloadService.getDownloadFilePath(de);
            WebHelper.download(filePath, de.getName(), res);
        } catch (Exception ex) {
            WebHelper.writeInfo(HttpStatus.ERROR, ex.getMessage(), res);
        }
    }
}