package com.ruoyi.common.utils;

import com.ruoyi.common.constant.Constants;
import com.ruoyi.common.constant.HttpStatus;
import com.ruoyi.common.core.domain.entity.SysRole;
import com.ruoyi.common.core.domain.model.LoginUser;
import com.ruoyi.common.exception.ServiceException;
import org.springframework.security.core.Authentication;
import org.springframework.security.core.context.SecurityContextHolder;
import org.springframework.security.crypto.bcrypt.BCryptPasswordEncoder;
import org.springframework.util.PatternMatchUtils;

import java.util.Collection;
import java.util.List;
import java.util.stream.Collectors;

/**
 * 安全服务工具类
 * 
 * @author ruoyi
 */
public class SecurityUtils
{

    /**
     * 用户ID
     **/
    public static Long getUserId()
    {
        try
        {
            return getLoginUser().getUserId();
        }
        catch (Exception e)
        {
            throw new ServiceException("获取用户ID异常", HttpStatus.UNAUTHORIZED);
        }
    }

    /**
     * 获取部门ID
     **/
    public static Long getDeptId()
    {
        try
        {
            return getLoginUser().getDeptId();
        }
        catch (Exception e)
        {
            throw new ServiceException("获取部门ID异常", HttpStatus.UNAUTHORIZED);
        }
    }

    /**
     * 获取登录用户总行机构号ID前三位
     **/
    public static String getHeadId()
    {
        try
        {
            return getLoginUser().getDeptId().toString().substring(0,3);
        }
        catch (Exception e)
        {
            throw new ServiceException("获取部门ID异常", HttpStatus.UNAUTHORIZED);
        }
    }

    /**
     * 获取用户账户
     **/
    public static String getUsername()
    {
        try
        {
            return getLoginUser().getUsername();
        }
        catch (Exception e)
        {
            throw new ServiceException("获取用户账户异常", HttpStatus.UNAUTHORIZED);
        }
    }

    public static String getUserNameCode()
    {
        try
        {
            return  getLoginUser().getUser().getNickName() + "-" + getLoginUser().getUsername() ;
        }
        catch (Exception e)
        {
            throw new ServiceException("获取用户账户异常", HttpStatus.UNAUTHORIZED);
        }
    }

    /**
     * 获取用户
     **/
    public static LoginUser getLoginUser()
    {
        try
        {
            return (LoginUser) getAuthentication().getPrincipal();
        }
        catch (Exception e)
        {
            throw new ServiceException("获取用户信息异常", HttpStatus.UNAUTHORIZED);
        }
    }

    /**
     * 获取Authentication
     */
    public static Authentication getAuthentication()
    {
        return SecurityContextHolder.getContext().getAuthentication();
    }

    /**
     * 生成BCryptPasswordEncoder密码
     *
     * @param password 密码
     * @return 加密字符串
     */
    public static String encryptPassword(String password)
    {
        BCryptPasswordEncoder passwordEncoder = new BCryptPasswordEncoder();
        return passwordEncoder.encode(password);
    }

    /**
     * 判断密码是否相同
     *
     * @param rawPassword 真实密码
     * @param encodedPassword 加密后字符
     * @return 结果
     */
    public static boolean matchesPassword(String rawPassword, String encodedPassword)
    {
        BCryptPasswordEncoder passwordEncoder = new BCryptPasswordEncoder();
        return passwordEncoder.matches(rawPassword, encodedPassword);
    }

    /**
     * 是否为管理员
     * 
     * @param userId 用户ID
     * @return 结果
     */
    public static boolean isAdmin(Long userId)
    {
        return userId != null && 1L == userId;
    }

    /**
     * 验证用户是否具备某权限
     * 
     * @param permission 权限字符串
     * @return 用户是否具备某权限
     */
    public static boolean hasPermi(String permission)
    {
        return hasPermi(getLoginUser().getPermissions(), permission);
    }

    /**
     * 判断是否包含权限
     * 
     * @param authorities 权限列表
     * @param permission 权限字符串
     * @return 用户是否具备某权限
     */
    public static boolean hasPermi(Collection<String> authorities, String permission)
    {
        return authorities.stream().filter(StringUtils::hasText)
                .anyMatch(x -> Constants.ALL_PERMISSION.equals(x) || PatternMatchUtils.simpleMatch(x, permission));
    }

    /**
     * 验证用户是否拥有某个角色
     * 
     * @param role 角色标识
     * @return 用户是否具备某角色
     */
    public static boolean hasRole(String role)
    {
        List<SysRole> roleList = getLoginUser().getUser().getRoles();
        Collection<String> roles = roleList.stream().map(SysRole::getRoleKey).collect(Collectors.toSet());
        return hasRole(roles, role);
    }

    /**
     * 判断是否包含角色
     * 
     * @param roles 角色列表
     * @param role 角色
     * @return 用户是否具备某角色权限
     */
    public static boolean hasRole(Collection<String> roles, String role)
    {
        return roles.stream().filter(StringUtils::hasText)
                .anyMatch(x -> Constants.SUPER_ADMIN.equals(x) || PatternMatchUtils.simpleMatch(x, role));
    }

    /**
     * 判断角色层级
     *
     * @param
     * @return 用户角色 ： admin、head、branch、manager
     */
    public static String userRole()
    {
        String  vrole ="manager";
        if (hasRole(Constants.SUPER_ADMIN)) {
            vrole = "admin";
        }else if (hasRole("headAdmin")) {
            vrole = "head";
        }else if (hasRole("branchAdmin")) {
            vrole = "branch";
        }else if (hasRole("outletAdmin")) {
            vrole = "outlet";
        }else if (hasRole("headPublic")) {
            vrole = "public";
        }else if (hasRole("headPrivate")) {
            vrole = "private";
        } else if (hasRole("headOps")) {
            vrole = "ops";
        }
        return vrole;
    }


    public static String userRoleNum()
    {
        String  vrole ="-1";
        if (hasRole(Constants.SUPER_ADMIN)) {
            vrole = "admin";
        }else if (hasRole("headAdmin")) {
            vrole = "0";
        }else if (hasRole("branchAdmin")) {
            vrole = "5";
        }else if (hasRole("outletAdmin")) {
            vrole = "6";
        }else if (hasRole("headPublic")) {
            vrole = "2";
        }else if (hasRole("headPrivate")) {
            vrole = "1";
        } else if (hasRole("headOps")) {
            vrole = "3";
        }
        return vrole;
    }

    /**
     * 不处理部室  仅返回总行支行网点
     * @return
     */
    public static String userRoleHeadOrBranch()
    {
        String  vrole ="manager";
        if (hasRole(Constants.SUPER_ADMIN)) {
            vrole = "admin";
        }else if (hasRole("headAdmin")) {
            vrole = "head";
        }else if (hasRole("branchAdmin")) {
            vrole = "branch";
        }else if (hasRole("outletAdmin")) {
            vrole = "outlet";
        }else if (hasRole("headPublic")) {
            vrole = "head";
        }else if (hasRole("headPrivate")) {
            vrole = "head";
        } else if (hasRole("headOps")) {
            vrole = "head";
        }
        return vrole;
    }


    public static Boolean isHead() {
        return hasRole("headOps") || hasRole("headPrivate") || hasRole("headPublic");
    }

    public static String getOpsDept() {
        if (SecurityUtils.isHead()) {
            if (SecurityUtils.hasRole("headPrivate")) {
                return "0";
            } else if (SecurityUtils.hasRole("headPublic")) {
                return "1";
            } else if (SecurityUtils.hasRole("headOps")) {
                return "2";
            }
        }
        return "-1";
    }


}
