package com.ruoyi.project.system.controller;

import com.ruoyi.common.constant.HttpStatus;
import com.ruoyi.common.constant.UserConstants;
import com.ruoyi.common.utils.StringUtils;
import com.ruoyi.framework.aspectj.lang.annotation.Log;
import com.ruoyi.framework.aspectj.lang.enums.BusinessType;
import com.ruoyi.framework.web.controller.BaseController;
import com.ruoyi.framework.web.domain.R;
import com.ruoyi.project.system.domain.SysMenu;
import com.ruoyi.project.system.service.ISysMenuService;
import lombok.AllArgsConstructor;
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;

/**
 * 菜单信息
 *
 * @author ruoyi
 */
@RestController
@RequestMapping("/system/menu")
@AllArgsConstructor
public class SysMenuController extends BaseController
{
    private ISysMenuService menuService;

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

    /**
     * 根据菜单编号获取详细信息
     */
    @PreAuthorize("@ss.hasPermi('system:menu:query')")
    @GetMapping(value = "/{menuId}")
    public R<?> getInfo(@PathVariable Long menuId)
    {
        return R.ok(menuService.selectMenuById(menuId));
    }

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

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

    /**
     * 新增菜单
     */
    @PreAuthorize("@ss.hasPermi('system:menu:add')")
    @Log(title = "菜单管理", businessType = BusinessType.INSERT)
    @PostMapping
    public R<?> add(@Validated @RequestBody SysMenu menu)
    {
        if (!menuService.checkMenuNameUnique(menu))
        {
            return R.fail("新增菜单'" + menu.getMenuName() + "'失败，菜单名称已存在");
        }
        else if (UserConstants.YES_FRAME.equals(menu.getIsFrame()) && !StringUtils.ishttp(menu.getPath()))
        {
            return R.fail("新增菜单'" + menu.getMenuName() + "'失败，地址必须以http(s)://开头");
        }
        menu.setCreateBy(getUsername());
        menuService.insertMenu(menu);
        return R.ok();
    }

    /**
     * 修改菜单
     */
    @PreAuthorize("@ss.hasPermi('system:menu:edit')")
    @Log(title = "菜单管理", businessType = BusinessType.UPDATE)
    @PutMapping
    public R<?> edit(@Validated @RequestBody SysMenu menu)
    {
        if (!menuService.checkMenuNameUnique(menu))
        {
            return R.fail("修改菜单'" + menu.getMenuName() + "'失败，菜单名称已存在");
        }
        else if (UserConstants.YES_FRAME.equals(menu.getIsFrame()) && !StringUtils.ishttp(menu.getPath()))
        {
            return R.fail("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 R.fail("修改菜单'" + menu.getMenuName() + "'失败，上级菜单不能选择自己");
        }
        menu.setUpdateBy(getUsername());
        menuService.updateMenu(menu);
        return R.ok();
    }

    /**
     * 删除菜单
     */
    @PreAuthorize("@ss.hasPermi('system:menu:remove')")
    @Log(title = "菜单管理", businessType = BusinessType.DELETE)
    @DeleteMapping("/{menuId}")
    public R<?> remove(@PathVariable("menuId") Long menuId)
    {
        if (menuService.hasChildByMenuId(menuId))
        {
            return R.fail(HttpStatus.WARN, "存在子菜单,不允许删除");
        }
        if (menuService.checkMenuExistRole(menuId))
        {
            return R.fail(HttpStatus.WARN, "菜单已分配,不允许删除");
        }
        menuService.deleteMenuById(menuId);
        return R.ok();
    }
}