# coding=utf-8
"""
    @project: qabot
    @Author：虎
    @file： permission_constants.py
    @date：2023/9/13 18:23
    @desc: 权限,角色 常量
"""
from enum import Enum
from typing import List


class Group(Enum):
    """
    权限组 一个组一般对应前段一个菜单
    """
    USER = "USER"


class Operate(Enum):
    """
     一个权限组的操作权限
    """
    READ = 'READ'
    EDIT = "EDIT"
    CREATE = "CREATE"
    DELETE = "DELETE"


class Role:
    def __init__(self, name: str, decs: str):
        self.name = name
        self.decs = decs


class RoleConstants(Enum):
    ADMIN = Role("管理员", "管理员,预制目前不会使用")
    USER = Role("用户", "用户所有权限")
    SESSION = Role("会话", decs="只拥有应用会话框接口权限")


class Permission:
    """
    权限信息
    """

    def __init__(self, group: Group, operate: Operate, roles: List[RoleConstants]):
        self.group = group
        self.operate = operate
        self.roleList = roles

    def __str__(self):
        return self.group.value + ":" + self.operate.value


class PermissionConstants(Enum):
    """
     权限枚举
    """
    USER_READ = Permission(group=Group.USER, operate=Operate.READ, roles=[RoleConstants.ADMIN, RoleConstants.USER])
    USER_EDIT = Permission(group=Group.USER, operate=Operate.EDIT, roles=[RoleConstants.ADMIN, RoleConstants.USER])
    USER_DELETE = Permission(group=Group.USER, operate=Operate.EDIT, roles=[RoleConstants.USER])


def get_permission_list_by_role(role: RoleConstants):
    """
    根据角色 获取角色对应的权限
    :param role: 角色
    :return: 权限
    """
    return list(map(lambda k: PermissionConstants[k],
                    list(filter(lambda k: PermissionConstants[k].value.roleList.__contains__(role),
                                PermissionConstants.__members__))))


class Auth:
    """
     用于存储当前用户的角色和权限
    """

    def __init__(self, role_list: List[RoleConstants], permission_list: List[PermissionConstants]):
        self.role_list = role_list
        self.permission_list = permission_list


class CompareConstants(Enum):
    # 或者
    OR = "OR"
    # 并且
    AND = "AND"


class ViewPermission:
    def __init__(self, roleList: List[RoleConstants], permissionList: List[PermissionConstants],
                 compare=CompareConstants.OR):
        self.roleList = roleList
        self.permissionList = permissionList
        self.compare = compare