from datetime import datetime

# from cryptography.fernet import Fernet
from sqlalchemy import Column, Integer, String, Table, ForeignKey, DateTime
from sqlalchemy.orm import relationship, backref

from app.config.config import settings
from app.models.base_model import Base

user_organization_table = Table('user_organization',Base.metadata
                                   , Column('user_id', Integer, ForeignKey('user.id', ondelete='CASCADE'))
                                   , Column('organization_id', String(36), ForeignKey('organization.id', ondelete='CASCADE')))

user_role_table = Table('user_role', Base.metadata
                           , Column('user_id', Integer, ForeignKey('user.id', ondelete='CASCADE'))
                           , Column('role_id', String(36), ForeignKey('role.id', ondelete='CASCADE')))

user_group_table = Table('user_group', Base.metadata
                           , Column('user_id', Integer, ForeignKey('user.id', ondelete='CASCADE'))
                           , Column('group_id', Integer, ForeignKey('group.id', ondelete='CASCADE')))
# cipher_suite = Fernet(settings.PASSWORD_KEY.encode("utf-8"))


class UserModel(Base):
    __tablename__ = "user"
    id = Column(Integer, primary_key=True, index=True)
    username = Column(String(255), unique=True, index=True)
    hashed_password = Column(String(255))
    password = Column(String(255))
    compellation = Column(String(255), nullable=False, default="")
    phone = Column(String(255), nullable=False, default="")
    email = Column(String(255), nullable=False, default="")
    description = Column(String(255), nullable=False, default="")
    ragflow_id = Column(String(32))
    bisheng_id = Column(Integer)
    login_name = Column(String(100))
    status = Column(String(10), nullable=False, default="1")
    creator = Column(String(36))
    sex = Column(String(1))
    permission = Column(String(16), nullable=False, default="general")
    age = Column(Integer)
    created_at = Column(DateTime, default=datetime.now())
    updated_at = Column(DateTime, default=datetime.now(), onupdate=datetime.now())


    organizations = relationship('OrganizationModel',
                                    secondary=user_organization_table,
                                    backref=backref('users', lazy='dynamic'))

    roles = relationship('RoleModel',
                            secondary=user_role_table,
                            backref=backref('users', lazy='dynamic'))

    groups = relationship('GroupModel',
                         secondary=user_group_table,
                         backref=backref('users', lazy='dynamic'))



    def have_permission(self, url):
        permissions = []
        for resource in self.resources:
            permissions.extend(resource)

        if filter(lambda x: x.URL == url, permissions):
            return True

        permissions = []
        for organization in self.organizations:
            permissions.extend([resource for resource in organization.resources])

        return filter(lambda x: x.NAME == url, permissions)

    def __repr__(self):
        return '<User %r>\n' % (self.NAME)


    def to_dict(self):
        return {
            'userId': self.id,
            'userName': self.username,
            'loginName': self.login_name if self.login_name else "",
            'status': self.status,
        }

    def to_json(self):
        json = {
            'userId': self.id,
            'createTime': self.created_at.strftime('%Y-%m-%d %H:%M:%S') if self.created_at else "",
            'updateTime': self.updated_at.strftime('%Y-%m-%d %H:%M:%S') if self.created_at else "",
            'userName': self.username,
            'loginName': self.login_name,
            'sex': self.sex,
            'age': self.age,
            "status": self.status,
            'phone': self.phone,
            'email': self.email,
            # 'phoneNumber': self.phone_number
        }

        if len(self.organizations) > 0:
            json['dept'] = [organization.to_json() for organization in self.organizations]


        json['groups'] = [group.to_dict() for group in self.groups]

        roles = []
        # if len(self.roles) > 0:
        roles = [role.to_json() for role in self.roles]
        organization_roles = [role.to_json() for organization in self.organizations for role in
                              organization.roles]
        for role in organization_roles:
            if role not in roles:
                roles.append(role)
        json['roles'] = roles
        return json

    def to_login_json(self):
        json = {
            'userId': self.id,
            'createTime': self.created_at.strftime('%Y-%m-%d %H:%M:%S') if self.created_at else "",
            'updateTime': self.updated_at.strftime('%Y-%m-%d %H:%M:%S') if self.created_at else "",
            'userName': self.username,
            'loginName': self.login_name,
            'sex': self.sex,
            'age': self.age,
            "status": self.status,
            'phone': self.phone,
            'email': self.email,
            # 'phoneNumber': self.phone_number
        }
        parent_dict = {}
        children_dict = {}
        for role in self.roles:
            for r in  role.to_json().get("resources", []):
                if r["menuType"] != "1":
                    parent_dict[r["menuId"]] = r
                else:
                    if r["parentId"] in children_dict:
                        children_dict[r["parentId"]].append(r)
                    else:
                        children_dict[r["parentId"]] = [r]
        organization_roles = [role.to_json() for organization in self.organizations for role in
                              organization.roles]
        for role in organization_roles:
            for r in role.to_json().get("resources", []):
                if r["menuType"] != "1":
                    parent_dict[r["menuId"]] = r
                else:
                    if r["parentId"] in children_dict:
                        children_dict[r["parentId"]].append(r)
                    else:
                        children_dict[r["parentId"]] = [r]
        resources = []
        for resource in parent_dict.values():
            resource["children"] = children_dict.get(resource["menuId"], [])
            resources.append(resource)
        json['resources'] = resources
        return json


    def get_children(self):
        """递归获取指定用户的子用户ID列表"""
        users = UserModel.query.filter_by(CREATOR=self.ID).all()
        user_id_list = [user.ID for user in users]
        for user in users:
            user_id_list.extend(user.get_children())
        return user_id_list


    def encrypted_password(self, password):
        return cipher_suite.encrypt(password.encode("utf-8")).decode("utf-8")

    def decrypted_password(self):
        return cipher_suite.decrypt(self.password).decode("utf-8")