package com.gkhy.exam.admin.controller.system;


import cn.hutool.core.util.ObjectUtil;
import com.gkhy.exam.common.api.CommonResult;
import com.gkhy.exam.common.constant.UserConstant;
import com.gkhy.exam.common.domain.entity.SysMenu;
import com.gkhy.exam.common.utils.StringUtils;
import com.gkhy.exam.system.service.ISysMenuService;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.security.access.prepost.PreAuthorize;
import org.springframework.validation.annotation.Validated;
import org.springframework.web.bind.annotation.*;

import java.util.HashMap;
import java.util.List;
import java.util.Map;

import static com.gkhy.exam.common.utils.SecurityUtils.getUserId;
import static com.gkhy.exam.common.utils.SecurityUtils.getUsername;

/**
 * 菜单信息
 * 
 * @author expert
 */
@RestController
@RequestMapping("/system/menu")
public class SysMenuController
{
    @Autowired
    private ISysMenuService menuService;

    /**
     * 获取菜单列表
     */
    //@PreAuthorize("hasAnyAuthority('system:menu:list')")
    @GetMapping("/list")
    public CommonResult list(SysMenu menu)
    {
        List<SysMenu> menus = menuService.selectMenuList(menu, getUserId());
        return CommonResult.success(menus);
    }

    /**
     * 根据菜单编号获取详细信息
     */
    //@PreAuthorize("hasAnyAuthority('system:menu:query')")
    @GetMapping(value = "/{menuId}")
    public CommonResult getInfo(@PathVariable Long menuId)
    {
        return CommonResult.success(menuService.selectMenuById(menuId));
    }

    /**
     * 获取菜单下拉树列表
     */
    @GetMapping("/treeselect")
    public CommonResult treeselect(SysMenu menu)
    {
        List<SysMenu> menus = menuService.selectMenuList(menu, getUserId());
        return CommonResult.success(menuService.buildMenuTreeSelect(menus));
    }

    /**
     * 加载对应角色菜单列表树
     */
    @GetMapping(value = "/roleMenuTreeselect/{roleId}")
    public CommonResult roleMenuTreeselect(@PathVariable("roleId") Long roleId)
    {
        List<SysMenu> menus = menuService.selectMenuList(getUserId());
        Map<String, Object> ajax = new HashMap<String, Object>();
        ajax.put("checkedKeys", menuService.selectMenuListByRoleId(roleId));
        ajax.put("menus", menuService.buildMenuTreeSelect(menus));
        return CommonResult.success(ajax);
    }

    /**
     * 新增菜单
     */
    //@PreAuthorize("hasAnyAuthority('system:menu:add')")
    @PostMapping
    public CommonResult add(@Validated @RequestBody SysMenu menu)
    {
        if (!menuService.checkMenuNameUnique(menu))
        {
            return CommonResult.failed("新增菜单'" + menu.getMenuName() + "'失败，菜单名称已存在");
        }
        else if (UserConstant.YES_FRAME.equals(menu.getIsFrame()) && !StringUtils.ishttp(menu.getPath()))
        {
            return CommonResult.failed("新增菜单'" + menu.getMenuName() + "'失败，地址必须以http(s)://开头");
        }
        menu.setCreateBy(getUsername());
        return CommonResult.success(menuService.insertMenu(menu));
    }

    /**
     * 修改菜单
     */
    //@PreAuthorize("hasAnyAuthority('system:menu:edit')")

    @PutMapping
    public CommonResult edit(@Validated @RequestBody SysMenu menu)
    {
        if (!menuService.checkMenuNameUnique(menu))
        {
            return CommonResult.failed("修改菜单'" + menu.getMenuName() + "'失败，菜单名称已存在");
        }
        else if (UserConstant.YES_FRAME.equals(menu.getIsFrame()) && !StringUtils.ishttp(menu.getPath()))
        {
            return CommonResult.failed("修改菜单'" + menu.getMenuName() + "'失败，地址必须以http(s)://开头");
        }
        else if (menu.getMenuId().equals(menu.getParentId()))
        {
            return CommonResult.failed("修改菜单'" + menu.getMenuName() + "'失败，上级菜单不能选择自己");
        }
        menu.setUpdateBy(getUsername());
        return CommonResult.success(menuService.updateMenu(menu));
    }

    /**
     * 删除菜单
     */
    //@PreAuthorize("hasAnyAuthority('system:menu:remove')")
    @DeleteMapping("/{menuId}")
    public CommonResult remove(@PathVariable("menuId") Long menuId)
    {
        if (menuService.hasChildByMenuId(menuId))
        {
            return CommonResult.failed("存在子菜单,不允许删除");
        }
        if (menuService.checkMenuExistRole(menuId))
        {
            return CommonResult.failed("菜单已分配,不允许删除");
        }
        return CommonResult.success(menuService.deleteMenuById(menuId));
    }
}