package com.doc.biz.controller;

import com.doc.biz.domain.*;
import com.doc.biz.service.*;
import com.doc.biz.vo.TreeVO;
import com.doc.common.annotation.Log;
import com.doc.common.constant.Constants;
import com.doc.common.core.controller.BaseController;
import com.doc.common.core.domain.AjaxResult;
import com.doc.common.enums.BusinessType;
import com.doc.common.utils.SecurityUtils;
import com.doc.common.utils.poi.ExcelUtil;
import io.swagger.annotations.*;
import org.springframework.web.bind.annotation.*;

import javax.annotation.Resource;
import javax.servlet.http.HttpServletResponse;
import java.util.ArrayList;
import java.util.List;

/**
 * 文档目录管理Controller
 *
 * @author wukai
 * @date 2023-08-15
 */
@Api(tags = "文档目录管理")
@RestController
@RequestMapping("/biz/dir")
public class DocDirController extends BaseController {
    @Resource
    private IDocDirService docDirService;
    @Resource
    private IDocInfoService docInfoService;
    @Resource
    private IDocSpaceService spaceService;
    @Resource
    private IDocDirUserService dirUserService;
    @Resource
    private IDocFavoriteService favoriteService;
    @Resource
    private IDocRecentService recentService;

    /**
     * 获取顶层目录
     */
    @ApiOperation("获取顶层目录")
    @GetMapping(value = "/top-dir/{type}")
    public DocDir topDir(@ApiParam(value = "目录类型（1.公共 2.部门 3.个人）", required = true) @PathVariable("type") String type) {
        DocSpace space = spaceService.selectDocSpaceListByType(type);

        DocDir dir = new DocDir();
        dir.setSpaceId(space.getSpaceId());
        dir.setParentId(0L);
        List<DocDir> dirList = docDirService.selectDocDirList(dir);
        if (dirList.size() > 0) {
            return dirList.get(0);
        } else {
            return null;
        }
    }

    /**
     * 获取目录树
     */
    @ApiOperation("目录树")
    @GetMapping(value = "/dir-tree/{type}")
    public TreeVO dirTree(@ApiParam(value = "目录类型（1.公共 2.部门 3.个人）", required = true) @PathVariable("type") String type) {
        return tree(type, dirTree);
    }

    /**
     * 文件树
     */
    private final String fileTree = "1";
    /**
     * 目录树
     */
    private final String dirTree = "2";
    /**
     * 图片树
     */
    private final String picTree = "3";

    /**
     * 获取文件树
     */
    @ApiOperation("文件树")
    @GetMapping(value = "/file-tree/{type}")
    public TreeVO fileTree(@ApiParam(value = "目录类型（1.公共 2.部门 3.个人）", required = true) @PathVariable("type") String type) {
        return tree(type, fileTree);
    }

    /**
     * 获取文件树
     */
    @ApiOperation("图片文件树")
    @GetMapping(value = "/pic-tree")
    public TreeVO picTree() {
        String type = "3";
        return tree(type, picTree);
    }

    /**
     * 获取树
     *
     * @param type 空间类型
     * @param st   1.文件树 2.目录树 3.图片树
     * @return
     */
    private TreeVO tree(String type, String st) {
        DocSpace space = spaceService.selectDocSpaceListByType(type);
        DocDir docDir = new DocDir();
        docDir.setSpaceId(space.getSpaceId());
        docDir.setParentId(0L);
        List<DocDir> list = docDirService.selectDocDirList(docDir);

        TreeVO vo = getChildren(list.get(0), st);
        return vo;
    }

    /**
     * 递归获取目录树
     *
     * @param dir 目录信息
     * @return
     */
    private TreeVO getChildren(DocDir dir, String st) {
        TreeVO vo = new TreeVO();
        vo.setId(dir.getDirId());
        vo.setLabel(dir.getDirName());

        List<TreeVO> children = new ArrayList<>();

        DocDir dir1 = new DocDir();
        dir1.setParentId(dir.getDirId());
        dir1.setSpaceId(dir.getSpaceId());

        docDirService.selectDocDirList(dir1).forEach(d -> {
            children.add(getChildren(d, st));
        });

        if (!dirTree.equals(st)) {
            //如果不是目录树
            vo.setDisabled(true);
            DocInfo info = new DocInfo();
            info.setDirId(dir.getDirId());
            docInfoService.selectDocInfoList(info).forEach(d -> {
                if (!picTree.equals(st) || Constants.IMAGE_EXTENSION.contains(d.getFileType())) {
                    TreeVO childVO = new TreeVO();
                    childVO.setId(d.getDocId());
                    childVO.setLabel(d.getFileName());
                    childVO.setRemark(d.getFileId());
                    childVO.setDisabled(false);
                    children.add(childVO);
                }
            });
        }


        vo.setChildren(children);
        return vo;
    }


    /**
     * 查询文档目录管理列表
     */
    @ApiOperation("查询目录列表")
    //@PreAuthorize("@ss.hasPermi('biz:dir:list')")
    @GetMapping("/list")
    public AjaxResult list(DocDir docDir) {
        List<DocDir> list = docDirService.selectDocDirList(docDir);
        DocDir dir = docDirService.selectDocDirByDirId(docDir.getParentId());
        if (dir.getParentId() != 0) {
            //如果不是顶层目录
            //插入最近访问记录
            DocRecent recent = new DocRecent();
            recent.setIsFolder("Y");
            recent.setOwner(SecurityUtils.getUserId());
            recent.setRelaId(dir.getDirId());
            recentService.insertDocRecent(recent);
        }

        return success(list);
    }

    /**
     * 导出文档目录管理列表
     */
//    @ApiOperation("导出文档目录管理列表")
    //@PreAuthorize("@ss.hasPermi('biz:dir:export')")
    @Log(title = "文档目录管理", businessType = BusinessType.EXPORT)
    @PostMapping("/export")
    public void export(HttpServletResponse response, DocDir docDir) {
        List<DocDir> list = docDirService.selectDocDirList(docDir);
        ExcelUtil<DocDir> util = new ExcelUtil<DocDir>(DocDir.class);
        util.exportExcel(response, list, "文档目录管理数据");
    }

    /**
     * 获取文档目录管理详细信息
     */
//    @ApiOperation("获取文档目录管理详细信息")
    //@PreAuthorize("@ss.hasPermi('biz:dir:query')")
    @GetMapping(value = "/{dirId}")
    public AjaxResult getInfo(@PathVariable("dirId") Long dirId) {
        DocDir dir = docDirService.selectDocDirByDirId(dirId);
        DocDirUser dirUser = new DocDirUser();
        dirUser.setDirId(dirId);
        dir.setUsers(dirUserService.selectDocDirUserList(dirUser));
        return success(dir);
    }

    /**
     * 新建目录
     */
    @ApiOperation("新建目录")
    //@PreAuthorize("@ss.hasPermi('biz:dir:add')")
    @Log(title = "文档目录管理", businessType = BusinessType.INSERT)
    @PostMapping
    public AjaxResult add(@RequestBody DocDir docDir) {
        int i = docDirService.insertDocDir(docDir);
        //如果是部门目录,则需要插入成员
        String dept = "2";
        if (dept.equals(docDir.getDirType())) {
            docDir.getUsers().forEach(u -> {
                u.setDirId(docDir.getDirId());
                dirUserService.insertDocDirUser(u);
            });
        }
        return toAjax(i);
    }

    /**
     * 重命名
     */
    @ApiOperation("重命名")
    @Log(title = "文档目录管理", businessType = BusinessType.UPDATE)
    @GetMapping("/rename")
    @ApiImplicitParams({@ApiImplicitParam(name = "dirId", value = "目录ID", required = true), @ApiImplicitParam(name = "name", value = "新目录名", required = true)})
    public AjaxResult rename(Long dirId, String name) {
        DocDir docDir = new DocDir();
        docDir.setDirId(dirId);
        docDir.setDirName(name);
        docDir.setUpdateBy(SecurityUtils.getUsername());

        return toAjax(docDirService.updateDocDir(docDir));
    }

    /**
     * 修改文档目录管理
     */
    @ApiOperation("修改目录信息")
    //@PreAuthorize("@ss.hasPermi('biz:dir:edit')")
    @Log(title = "文档目录管理", businessType = BusinessType.UPDATE)
    @PutMapping
    public AjaxResult edit(@RequestBody DocDir docDir) {
        //如果是部门目录,则需要插入成员
        String dept = "2";
        dirUserService.deleteDocDirUserByDirId(docDir.getDirId());
        if (dept.equals(docDir.getDirType())) {
            docDir.getUsers().forEach(u -> {
                u.setDirId(docDir.getDirId());
                dirUserService.insertDocDirUser(u);
            });
        }
        return toAjax(docDirService.updateDocDir(docDir));
    }


    /**
     * 删除文档目录管理
     */
    @ApiOperation("删除目录")
    //@PreAuthorize("@ss.hasPermi('biz:dir:remove')")
    @Log(title = "文档目录管理", businessType = BusinessType.DELETE)
    @DeleteMapping("/{dirId}")
    public AjaxResult remove(@PathVariable Long dirId) {
        DocDir dir = new DocDir();
        dir.setParentId(dirId);
        List list = docDirService.selectDocDirList(dir);
        if (list.size() > 0) {
            return error("目录不为空，无法删除!");
        }
        DocInfo info = new DocInfo();
        info.setDirId(dirId);
        list = docInfoService.selectDocInfoList(info);
        if (list.size() > 0) {
            return error("目录不为空，无法删除!");
        }

        int i = docDirService.deleteDocDirByDirId(dirId);
        //删除收藏记录
        favoriteService.delete("Y", dirId);
        return toAjax(i);
    }
}