package com.ruoyi.web.controller.system;

import java.util.ArrayList;
import java.util.Collections;
import java.util.List;
import java.util.Set;

import com.ruoyi.system.mapper.SysMenuMapper;
import com.ruoyi.system.object.dto.SetPasswordDTO;
import io.swagger.annotations.Api;
import io.swagger.annotations.ApiOperation;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.security.core.context.SecurityContextHolder;
import org.springframework.web.bind.annotation.*;
import com.ruoyi.common.constant.Constants;
import com.ruoyi.common.core.domain.AjaxResult;
import com.ruoyi.common.core.domain.entity.SysMenu;
import com.ruoyi.common.core.domain.entity.SysUser;
import com.ruoyi.common.core.domain.model.LoginBody;
import com.ruoyi.common.core.domain.model.LoginUser;
import com.ruoyi.common.utils.SecurityUtils;
import com.ruoyi.framework.web.service.SysLoginService;
import com.ruoyi.framework.web.service.SysPermissionService;
import com.ruoyi.framework.web.service.TokenService;
import com.ruoyi.system.service.ISysMenuService;

import javax.servlet.http.HttpServletRequest;

/**
 * 登录验证
 * 
 * @author ruoyi
 */
@Api(value = "登录控制器",tags = "登录控制器")
@RestController
@RequestMapping("/system")
public class SysLoginController {

    @Autowired
    private SysLoginService loginService;
    @Autowired
    private ISysMenuService menuService;
    @Autowired
    private SysPermissionService permissionService;
    @Autowired
    private TokenService tokenService;
    @Autowired
    private SysMenuMapper sysMenuMapper;

    /**
     * 登录方法
     *
     * @param loginBody 登录信息
     * @return 结果
     */
    @ApiOperation(value = "登录", notes = "username：hlg password：e10adc3949ba59abbe56e057f20f883e（123456）  密码前端需MD5加密传输")
    @PostMapping("/login")
    public AjaxResult login(@RequestBody LoginBody loginBody) {
        AjaxResult ajax = AjaxResult.success();
        // 生成令牌
        String token = loginService.login(loginBody.getUsername(), loginBody.getPassword(), loginBody.getCode(),
                loginBody.getUuid());
        ajax.put(Constants.TOKEN, token);
        return ajax;
    }

    @ApiOperation(value = "修改密码", notes = "修改密码")
    @PostMapping("/setPassword")
    public AjaxResult setPassword(@RequestBody SetPasswordDTO setPasswordDTO) {
        //修改密码
        loginService.setPassword(setPasswordDTO);
        return AjaxResult.success();
    }

    /**
     * 获取用户信息
     *
     * @return 用户信息
     */
    @ApiOperation(value = "获取用户信息", notes = "获取用户信息")
    @GetMapping("/getInfo")
    public AjaxResult getInfo() {
        LoginUser loginUser = SecurityUtils.getLoginUser();
        SysUser user = loginUser.getUser();
        // 权限集合
        AjaxResult ajax = AjaxResult.success();
        ajax.put("user", user);
        ajax.put("permissions" ,getUserPaths(user.getUserId()));
        return ajax;
    }
    /**
     * 获取用户拥有的所有path
     * @param userId 用户ID
     * @return 用户拥有的所有path列表
     */
    public List<String> getUserPaths(Long userId) {
        List<Long> ids = new ArrayList<>();
        // 根据用户id查询出menus
        List<SysMenu> menus = sysMenuMapper.selectMenusByUserId(userId);
        //将id和父类id取出
        menus.forEach(menu -> {
            ids.add(menu.getMenuId());
            if (null!= menu.getParentId() && menu.getParentId() != 0) {
                ids.add(menu.getParentId());
            }
        });

        if (menus.isEmpty()) {
            return Collections.emptyList();
        }


        return sysMenuMapper.getPathsByMenuIds(ids);
    }

    /**
     * 获取路由信息
     *
     * @return 路由信息
     */
/*    @ApiOperation(value = "获取路由信息", notes = "获取路由信息")
    @GetMapping("getRouters")
    public AjaxResult getRouters() {
        Long userId = SecurityUtils.getUserId();
        List<SysMenu> menus = menuService.selectMenuTreeByUserId(userId);
        return AjaxResult.success(menuService.buildMenus(menus));
    }*/

    /**
     * 退出登录
     */
    @PostMapping("/logout")
    @ApiOperation(value = "退出登录", notes = "用户退出系统")
    public AjaxResult logout(HttpServletRequest request) {
        // 获取当前登录用户
        LoginUser loginUser = tokenService.getLoginUser(request);
        if (loginUser != null) {
            // 删除用户缓存记录
            tokenService.delLoginUser(loginUser.getToken());
        }

        return AjaxResult.success("退出成功");
    }
}