package com.hb.proj.auth.controller;

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

import org.apache.commons.lang3.StringUtils;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.validation.annotation.Validated;
import org.springframework.web.bind.annotation.GetMapping;
import org.springframework.web.bind.annotation.PostMapping;
import org.springframework.web.bind.annotation.RequestMapping;
import org.springframework.web.bind.annotation.RestController;

import com.hb.proj.allconfig.AccessToken;
import com.hb.proj.auth.service.MenuService;
import com.hb.proj.model.MenuPO;
import com.hb.proj.model.MenuVO;
import com.hb.proj.utils.RespVO;
import com.hb.proj.utils.RespVOBuilder;

import jakarta.validation.constraints.NotBlank;

@RestController
@RequestMapping("/menu")
@Validated
public class MenuController {

	@Autowired
	private MenuService service;
	
	
	/**
	 * 获得单个菜单
	 * @param menuId  菜单记录id
	 * @return
	 */
	@GetMapping("/get")
	public RespVO<MenuVO> get(@NotBlank(message = "菜单编号不能为空") String menuId){
		
		return RespVOBuilder.ok(service.getMenu(menuId));
	}
	
	
	/**
	 * 增加新菜单
	 * @param menu  菜单实体
	 * @param token 登录人信息，自动从请求获取
	 * @return
	 */
	@PostMapping("/add")
	public RespVO<String> add(@Validated MenuPO  menu,AccessToken token){
		
		if(StringUtils.isBlank(menu.getFatherMenuId())){
			menu.setFatherMenuId("0");
		}
		String newAssistCode = service.generateLeveledCode(menu.getFatherMenuId());
		if(newAssistCode==null){
			return RespVOBuilder.error("指定的父菜单不存在");
		}
		menu.setAssistCode(newAssistCode);
		menu.setModifyBy(token!=null?token.getTokenId():"unknow");
		return RespVOBuilder.ok(service.addMenu(menu));
	}
	
	/**
	 * 更新菜单
	 * @param menu  菜单实体
	 * @param token 登录人信息，自动从请求获取
	 * @return
	 */
	@PostMapping("/update")
	public RespVO<Object> update(@Validated MenuPO  menu,AccessToken token){
		if(StringUtils.isEmpty(menu.getFatherMenuId())){
			menu.setFatherMenuId("0");
		}
		menu.setModifyBy(token!=null?token.getTokenId():"unknow");
		
		MenuVO dbMenu=service.getMenu(menu.getMenuId());
		
		//非更新数据保留原值
		menu.setAssistCode(dbMenu.getAssistCode());
		menu.setCreateBy(dbMenu.getCreateBy());
		menu.setCreateTime(dbMenu.getCreateTime());
		menu.setDelIf(dbMenu.getDelIf());
		
		String fatherMenuId=menu.getFatherMenuId();
		if (!fatherMenuId.equals(dbMenu.getFatherMenuId())) { // 隶属关系变动后，修正assistCode
			String newAssistCode =service.generateLeveledCode(fatherMenuId);
			if(newAssistCode==null){
				return RespVOBuilder.error("指定的父菜单不存在");
			}
			service.updateMenu(menu,newAssistCode);
		}
		else{
			service.updateMenu(menu,null);
		}
		return RespVOBuilder.ok();
	}
	
	
	/**
	 * 删除单个菜单
	 * @param menuId  被删除菜单id
	 * @return
	 */
	@RequestMapping("/delete")
	public RespVO<Object> delete(@NotBlank(message = "菜单编号不能为空") String menuId){
		service.deleteMenu(menuId);
		return RespVOBuilder.ok();
	}
	
	/**
	 * 获得菜单子节点
	 * @param superId
	 * @param targetDepth
	 * @param response
	 */
	@PostMapping("/treeNode")
	public RespVO<Object> treeNode(String superId){
		List<Map<String,Object>> nodes=service.queryTreeNodeBySuperId(StringUtils.isEmpty(superId)?"0":superId);
		return RespVOBuilder.ok(nodes);
	}
	
}