from sqlalchemy import and_, or_, desc, func
from sqlalchemy.orm import Session
from module_admin.entity.do.user_do import SysUser, SysUserRole, SysUserPost
from module_admin.entity.do.role_do import SysRole, SysRoleMenu
from module_admin.entity.do.dept_do import SysDept
from module_admin.entity.do.post_do import SysPost
from module_admin.entity.do.menu_do import SysMenu
from module_admin.entity.vo.user_vo import *
from utils.page_util import PageUtil
from datetime import datetime, time


class UserDao:
    """
    用户管理模块数据库操作层
    """

    @classmethod
    def get_user_by_name(cls, db: Session, user_name: str):
        """
        根据用户名获取用户信息
        :param db: orm对象
        :param user_name: 用户名
        :return: 当前用户名的用户信息对象
        """
        query_user_info = db.query(SysUser) \
            .filter(SysUser.status == 0, SysUser.del_flag == 0, SysUser.user_name == user_name) \
            .order_by(desc(SysUser.create_time)).distinct().first()

        return query_user_info

    @classmethod
    def get_user_by_info(cls, db: Session, user: UserModel):
        """
        根据用户参数获取用户信息
        :param db: orm对象
        :param user: 用户参数
        :return: 当前用户参数的用户信息对象
        """
        query_user_info = db.query(SysUser) \
            .filter(SysUser.del_flag == 0,
                    SysUser.user_name == user.user_name) \
            .order_by(desc(SysUser.create_time)).distinct().first()

        return query_user_info

    @classmethod
    def get_user_by_id(cls, db: Session, user_id: int):
        """
        根据user_id获取用户信息
        :param db: orm对象
        :param user_id: 用户id
        :return: 当前user_id的用户信息对象
        """
        query_user_basic_info = db.query(SysUser) \
            .filter(SysUser.status == 0, SysUser.del_flag == 0, SysUser.user_id == user_id) \
            .distinct().first()
        query_user_dept_info = db.query(SysDept).select_from(SysUser) \
            .filter(SysUser.status == 0, SysUser.del_flag == 0, SysUser.user_id == user_id) \
            .join(SysDept, and_(SysUser.dept_id == SysDept.dept_id, SysDept.status == 0, SysDept.del_flag == 0)) \
            .distinct().first()
        query_user_role_info = db.query(SysRole).select_from(SysUser) \
            .filter(SysUser.status == 0, SysUser.del_flag == 0, SysUser.user_id == user_id) \
            .outerjoin(SysUserRole, SysUser.user_id == SysUserRole.user_id) \
            .join(SysRole, and_(SysUserRole.role_id == SysRole.role_id, SysRole.status == 0, SysRole.del_flag == 0)) \
            .distinct().all()
        query_user_post_info = db.query(SysPost).select_from(SysUser) \
            .filter(SysUser.status == 0, SysUser.del_flag == 0, SysUser.user_id == user_id) \
            .outerjoin(SysUserPost, SysUser.user_id == SysUserPost.user_id) \
            .join(SysPost, and_(SysUserPost.post_id == SysPost.post_id, SysPost.status == 0)) \
            .distinct().all()
        role_id_list = [item.role_id for item in query_user_role_info]
        if 1 in role_id_list:
            query_user_menu_info = db.query(SysMenu) \
                .filter(SysMenu.status == 0) \
                .distinct().all()
        else:
            query_user_menu_info = db.query(SysMenu).select_from(SysUser) \
                .filter(SysUser.status == 0, SysUser.del_flag == 0, SysUser.user_id == user_id) \
                .outerjoin(SysUserRole, SysUser.user_id == SysUserRole.user_id) \
                .outerjoin(SysRole, and_(SysUserRole.role_id == SysRole.role_id, SysRole.status == 0, SysRole.del_flag == 0)) \
                .outerjoin(SysRoleMenu, SysRole.role_id == SysRoleMenu.role_id) \
                .join(SysMenu, and_(SysRoleMenu.menu_id == SysMenu.menu_id, SysMenu.status == 0)) \
                .order_by(SysMenu.order_num) \
                .distinct().all()

        results = dict(
            user_basic_info=query_user_basic_info,
            user_dept_info=query_user_dept_info,
            user_role_info=query_user_role_info,
            user_post_info=query_user_post_info,
            user_menu_info=query_user_menu_info
        )

        return results

    @classmethod
    def get_user_detail_by_id(cls, db: Session, user_id: int):
        """
        根据user_id获取用户详细信息
        :param db: orm对象
        :param user_id: 用户id
        :return: 当前user_id的用户信息对象
        """
        query_user_basic_info = db.query(SysUser) \
            .filter(SysUser.del_flag == 0, SysUser.user_id == user_id) \
            .distinct().first()
        query_user_dept_info = db.query(SysDept).select_from(SysUser) \
            .filter(SysUser.del_flag == 0, SysUser.user_id == user_id) \
            .join(SysDept, and_(SysUser.dept_id == SysDept.dept_id, SysDept.status == 0, SysDept.del_flag == 0)) \
            .distinct().first()
        query_user_role_info = db.query(SysRole).select_from(SysUser) \
            .filter(SysUser.del_flag == 0, SysUser.user_id == user_id) \
            .outerjoin(SysUserRole, SysUser.user_id == SysUserRole.user_id) \
            .join(SysRole, and_(SysUserRole.role_id == SysRole.role_id, SysRole.status == 0, SysRole.del_flag == 0)) \
            .distinct().all()
        query_user_post_info = db.query(SysPost).select_from(SysUser) \
            .filter(SysUser.del_flag == 0, SysUser.user_id == user_id) \
            .outerjoin(SysUserPost, SysUser.user_id == SysUserPost.user_id) \
            .join(SysPost, and_(SysUserPost.post_id == SysPost.post_id, SysPost.status == 0)) \
            .distinct().all()
        query_user_menu_info = db.query(SysMenu).select_from(SysUser) \
            .filter(SysUser.del_flag == 0, SysUser.user_id == user_id) \
            .outerjoin(SysUserRole, SysUser.user_id == SysUserRole.user_id) \
            .outerjoin(SysRole, and_(SysUserRole.role_id == SysRole.role_id, SysRole.status == 0, SysRole.del_flag == 0)) \
            .outerjoin(SysRoleMenu, SysRole.role_id == SysRoleMenu.role_id) \
            .join(SysMenu, and_(SysRoleMenu.menu_id == SysMenu.menu_id, SysMenu.status == 0)) \
            .distinct().all()
        results = dict(
            user_basic_info=query_user_basic_info,
            user_dept_info=query_user_dept_info,
            user_role_info=query_user_role_info,
            user_post_info=query_user_post_info,
            user_menu_info=query_user_menu_info
        )

        return results

    @classmethod
    def get_user_list(cls, db: Session, query_object: UserPageQueryModel, data_scope_sql: str, is_page: bool = False):
        """
        根据查询参数获取用户列表信息
        :param db: orm对象
        :param query_object: 查询参数对象
        :param data_scope_sql: 数据权限对应的查询sql语句
        :param is_page: 是否开启分页
        :return: 用户列表信息对象
        """
        query = db.query(SysUser, SysDept) \
            .filter(SysUser.del_flag == 0,
                    or_(SysUser.dept_id == query_object.dept_id, SysUser.dept_id.in_(
                        db.query(SysDept.dept_id).filter(func.find_in_set(query_object.dept_id, SysDept.ancestors))
                    )) if query_object.dept_id else True,
                    SysUser.user_name.like(f'%{query_object.user_name}%') if query_object.user_name else True,
                    SysUser.nick_name.like(f'%{query_object.nick_name}%') if query_object.nick_name else True,
                    SysUser.email.like(f'%{query_object.email}%') if query_object.email else True,
                    SysUser.phonenumber.like(f'%{query_object.phonenumber}%') if query_object.phonenumber else True,
                    SysUser.status == query_object.status if query_object.status else True,
                    SysUser.sex == query_object.sex if query_object.sex else True,
                    SysUser.create_time.between(
                        datetime.combine(datetime.strptime(query_object.begin_time, '%Y-%m-%d'), time(00, 00, 00)),
                        datetime.combine(datetime.strptime(query_object.end_time, '%Y-%m-%d'), time(23, 59, 59)))
                    if query_object.begin_time and query_object.end_time else True,
                    eval(data_scope_sql)
                    ) \
            .outerjoin(SysDept, and_(SysUser.dept_id == SysDept.dept_id, SysDept.status == 0, SysDept.del_flag == 0)) \
            .distinct()
        user_list = PageUtil.paginate(query, query_object.page_num, query_object.page_size, is_page)

        return user_list

    @classmethod
    def add_user_dao(cls, db: Session, user: UserModel):
        """
        新增用户数据库操作
        :param db: orm对象
        :param user: 用户对象
        :return: 新增校验结果
        """
        db_user = SysUser(**user.model_dump(exclude={'admin'}))
        db.add(db_user)
        db.flush()

        return db_user

    @classmethod
    def edit_user_dao(cls, db: Session, user: dict):
        """
        编辑用户数据库操作
        :param db: orm对象
        :param user: 需要更新的用户字典
        :return: 编辑校验结果
        """
        db.query(SysUser) \
            .filter(SysUser.user_id == user.get('user_id')) \
            .update(user)

    @classmethod
    def delete_user_dao(cls, db: Session, user: UserModel):
        """
        删除用户数据库操作
        :param db: orm对象
        :param user: 用户对象
        :return:
        """
        db.query(SysUser) \
            .filter(SysUser.user_id == user.user_id) \
            .update({SysUser.del_flag: '2', SysUser.update_by: user.update_by, SysUser.update_time: user.update_time})

    @classmethod
    def get_user_role_allocated_list_by_user_id(cls, db: Session, query_object: UserRoleQueryModel):
        """
        根据用户id获取用户已分配的角色列表信息数据库操作
        :param db: orm对象
        :param query_object: 用户角色查询对象
        :return: 用户已分配的角色列表信息
        """
        allocated_role_list = db.query(SysRole) \
            .filter(
            SysRole.del_flag == 0,
            SysRole.role_id != 1,
            SysRole.role_name == query_object.role_name if query_object.role_name else True,
            SysRole.role_key == query_object.role_key if query_object.role_key else True,
            SysRole.role_id.in_(
                db.query(SysUserRole.role_id).filter(SysUserRole.user_id == query_object.user_id)
            )
        ).distinct().all()

        return allocated_role_list

    @classmethod
    def get_user_role_allocated_list_by_role_id(cls, db: Session, query_object: UserRolePageQueryModel, is_page: bool = False):
        """
        根据角色id获取已分配的用户列表信息
        :param db: orm对象
        :param query_object: 用户角色查询对象
        :param is_page: 是否开启分页
        :return: 角色已分配的用户列表信息
        """
        query = db.query(SysUser) \
            .filter(
            SysUser.del_flag == 0,
            SysUser.user_id != 1,
            SysUser.user_name == query_object.user_name if query_object.user_name else True,
            SysUser.phonenumber == query_object.phonenumber if query_object.phonenumber else True,
            SysUser.user_id.in_(
                db.query(SysUserRole.user_id).filter(SysUserRole.role_id == query_object.role_id)
            )
        ).distinct()
        allocated_user_list = PageUtil.paginate(query, query_object.page_num, query_object.page_size, is_page)

        return allocated_user_list

    @classmethod
    def get_user_role_unallocated_list_by_role_id(cls, db: Session, query_object: UserRolePageQueryModel, is_page: bool = False):
        """
        根据角色id获取未分配的用户列表信息
        :param db: orm对象
        :param query_object: 用户角色查询对象
        :param is_page: 是否开启分页
        :return: 角色未分配的用户列表信息
        """
        query = db.query(SysUser) \
            .filter(
            SysUser.del_flag == 0,
            SysUser.user_id != 1,
            SysUser.user_name == query_object.user_name if query_object.user_name else True,
            SysUser.phonenumber == query_object.phonenumber if query_object.phonenumber else True,
            ~SysUser.user_id.in_(
                db.query(SysUserRole.user_id).filter(SysUserRole.role_id == query_object.role_id)
            )
        ).distinct()
        unallocated_user_list = PageUtil.paginate(query, query_object.page_num, query_object.page_size, is_page)

        return unallocated_user_list

    @classmethod
    def add_user_role_dao(cls, db: Session, user_role: UserRoleModel):
        """
        新增用户角色关联信息数据库操作
        :param db: orm对象
        :param user_role: 用户角色关联对象
        :return:
        """
        db_user_role = SysUserRole(**user_role.model_dump())
        db.add(db_user_role)

    @classmethod
    def delete_user_role_dao(cls, db: Session, user_role: UserRoleModel):
        """
        删除用户角色关联信息数据库操作
        :param db: orm对象
        :param user_role: 用户角色关联对象
        :return:
        """
        db.query(SysUserRole) \
            .filter(SysUserRole.user_id == user_role.user_id) \
            .delete()

    @classmethod
    def delete_user_role_by_user_and_role_dao(cls, db: Session, user_role: UserRoleModel):
        """
        根据用户id及角色id删除用户角色关联信息数据库操作
        :param db: orm对象
        :param user_role: 用户角色关联对象
        :return:
        """
        db.query(SysUserRole) \
            .filter(SysUserRole.user_id == user_role.user_id,
                    SysUserRole.role_id == user_role.role_id if user_role.role_id else True) \
            .delete()

    @classmethod
    def get_user_role_detail(cls, db: Session, user_role: UserRoleModel):
        """
        根据用户角色关联获取用户角色关联详细信息
        :param db: orm对象
        :param user_role: 用户角色关联对象
        :return: 用户角色关联信息
        """
        user_role_info = db.query(SysUserRole) \
            .filter(SysUserRole.user_id == user_role.user_id, SysUserRole.role_id == user_role.role_id) \
            .distinct().first()

        return user_role_info

    @classmethod
    def add_user_post_dao(cls, db: Session, user_post: UserPostModel):
        """
        新增用户岗位关联信息数据库操作
        :param db: orm对象
        :param user_post: 用户岗位关联对象
        :return:
        """
        db_user_post = SysUserPost(**user_post.model_dump())
        db.add(db_user_post)

    @classmethod
    def delete_user_post_dao(cls, db: Session, user_post: UserPostModel):
        """
        删除用户岗位关联信息数据库操作
        :param db: orm对象
        :param user_post: 用户岗位关联对象
        :return:
        """
        db.query(SysUserPost) \
            .filter(SysUserPost.user_id == user_post.user_id) \
            .delete()

    @classmethod
    def get_user_dept_info(cls, db: Session, dept_id: int):
        dept_basic_info = db.query(SysDept) \
            .filter(SysDept.dept_id == dept_id,
                    SysDept.status == 0,
                    SysDept.del_flag == 0) \
            .first()
        return dept_basic_info
