package com.vincent.rsf.server.system.controller;

import com.baomidou.mybatisplus.core.conditions.query.LambdaQueryWrapper;
import com.baomidou.mybatisplus.extension.plugins.pagination.Page;
import com.vincent.rsf.common.utils.Utils;
import com.vincent.rsf.framework.common.Cools;
import com.vincent.rsf.framework.common.R;
import com.vincent.rsf.server.common.annotation.OperationLog;
import com.vincent.rsf.server.common.domain.BaseParam;
import com.vincent.rsf.server.common.domain.KeyValVo;
import com.vincent.rsf.server.common.domain.PageParam;
import com.vincent.rsf.server.common.utils.ExcelUtil;
import com.vincent.rsf.server.common.utils.NodeUtils;
import com.vincent.rsf.server.system.entity.Menu;
import com.vincent.rsf.server.system.service.MenuService;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.security.access.prepost.PreAuthorize;
import org.springframework.web.bind.annotation.*;

import javax.servlet.http.HttpServletResponse;
import java.util.*;

@RestController
public class MenuController extends BaseController {

    @Autowired
    private MenuService menuService;

    @PreAuthorize("hasAuthority('system:menu:list')")
    @PostMapping("/menu/page")
    public R page(@RequestBody Map<String, Object> map) {
        BaseParam baseParam = buildParam(map, BaseParam.class);
        PageParam<Menu, BaseParam> pageParam = new PageParam<>(baseParam, Menu.class);
        return R.ok().add(menuService.page(pageParam, pageParam.buildWrapper(true)));
    }

    @PreAuthorize("hasAuthority('system:menu:list')")
    @PostMapping("/menu/list")
    public R list(@RequestBody Map<String, Object> map) {
        return R.ok().add(menuService.list());
    }

    @PreAuthorize("hasAuthority('system:menu:list')")
    @PostMapping("/menu/tree")
    public R tree(@RequestBody Map<String, Object> map) {
//        PageParam<Menu, BaseParam> param = new PageParam<>(buildParam(map, BaseParam.class), Menu.class);
//        QueryWrapper<Menu> wrapper = param.buildWrapper(true, queryWrapper -> queryWrapper.orderByAsc("sort"));
//        List<Menu> menus = menuService.list(wrapper);
//        return R.ok().add(Utils.toTreeData(menus, 0L, Menu::getParentId, Menu::getId, Menu::setChildren));
        List<Menu> menuList = menuService.list(new LambdaQueryWrapper<Menu>().orderByAsc(Menu::getSort));
        List<Menu> treeData = Utils.toTreeData(menuList, 0L, Menu::getParentId, Menu::getId, Menu::setChildren);
        if (!Cools.isEmpty(map.get("condition"))) {
            Utils.treeRemove(treeData, String.valueOf(map.get("condition")), Menu::getName, Menu::getChildren);
            Utils.treeRemove(treeData, String.valueOf(map.get("condition")), Menu::getName, Menu::getChildren);
        }
        return R.ok().add(treeData);
    }

    @PreAuthorize("hasAuthority('system:menu:list')")
    @GetMapping("/menu/{id}")
    public R get(@PathVariable("id") Long id) {
        return R.ok().add(menuService.getById(id));
    }

    @PreAuthorize("hasAuthority('system:menu:list')")
    @PostMapping({"/menu/many/{ids}", "/menus/many/{ids}"})
    public R many(@PathVariable Long[] ids) {
        return R.ok().add(menuService.listByIds(Arrays.asList(ids)));
    }

    @PreAuthorize("hasAuthority('system:menu:save')")
    @OperationLog("Save Menu")
    @PostMapping("/menu/save")
    public R save(@RequestBody Menu menu) {
        if (menu.getParentId() != null && menu.getParentId() > 0) {
            Menu parent = menuService.getById(menu.getParentId());
            if (parent != null) {
                menu.setParentName(parent.getName());
            }
        } else {
            menu.setParentId(0L);
        }

        NodeUtils nodeUtils = new NodeUtils();
        nodeUtils.generatePath0(item -> menuService.getById(item.getParentId()), menu, Menu::getId, Menu::getName, Menu::getParentId);
        menu.setPath(nodeUtils.path.toString());
        menu.setPathName(nodeUtils.pathName.toString());

        menu.setCreateBy(getLoginUserId());
        menu.setCreateTime(new Date());
        menu.setUpdateBy(getLoginUserId());
        menu.setUpdateTime(new Date());
        if (!menuService.save(menu)) {
            return R.error("Save Fail");
        }
        return R.ok("Save Success").add(menu);
    }

    @PreAuthorize("hasAuthority('system:menu:update')")
    @OperationLog("Update Menu")
    @PostMapping("/menu/update")
    public R update(@RequestBody Menu menu) {
        if (menu.getParentId() != null && menu.getParentId() > 0) {
            Menu parent = menuService.getById(menu.getParentId());
            if (parent != null) {
                menu.setParentName(parent.getName());
            }
        } else {
            menu.setParentId(0L);
        }

        NodeUtils nodeUtils = new NodeUtils();
        nodeUtils.generatePath0(item -> menuService.getById(item.getParentId()), menu, Menu::getId, Menu::getName, Menu::getParentId);
        menu.setPath(nodeUtils.path.toString());
        menu.setPathName(nodeUtils.pathName.toString());

        menu.setUpdateBy(getLoginUserId());
        menu.setUpdateTime(new Date());
        if (!menuService.updateById(menu)) {
            return R.error("Update Fail");
        }
        return R.ok("Update Success").add(menu);
    }

    @PreAuthorize("hasAuthority('system:menu:remove')")
    @OperationLog("Delete Menu")
    @PostMapping("/menu/remove/{ids}")
    public R remove(@PathVariable Long[] ids) {
        if (!menuService.removeByIds(Arrays.asList(ids))) {
            return R.error("Delete Fail");
        }
        return R.ok("Delete Success").add(ids);
    }

    @PreAuthorize("hasAuthority('system:menu:list')")
    @PostMapping("/menu/query")
    public R query(@RequestParam(required = false) String condition) {
        List<KeyValVo> vos = new ArrayList<>();
        LambdaQueryWrapper<Menu> wrapper = new LambdaQueryWrapper<>();
        if (!Cools.isEmpty(condition)) {
            wrapper.like(Menu::getName, condition);
        }
        menuService.page(new Page<>(1, 30), wrapper).getRecords().forEach(
                item -> vos.add(new KeyValVo(item.getId(), item.getName()))
        );
        return R.ok().add(vos);
    }

    @PreAuthorize("hasAuthority('system:menu:list')")
    @PostMapping("/menu/export")
    public void export(@RequestBody Map<String, Object> map, HttpServletResponse response) throws Exception {
        ExcelUtil.build(ExcelUtil.create(menuService.list(), Menu.class), response);
    }

}