openreplay/ee/api/chalicelib/core/users.py

import json
import secrets

from decouple import config
from fastapi import BackgroundTasks

import schemas_ee
from chalicelib.core import authorizers, metadata, projects, roles
from chalicelib.core import tenants, assist
from chalicelib.utils import helper, email_helper
from chalicelib.utils import pg_client
from chalicelib.utils.TimeUTC import TimeUTC


def __generate_invitation_token():
    return secrets.token_urlsafe(64)


def create_new_member(tenant_id, email, invitation_token, admin, name, owner=False, role_id=None):
    with pg_client.PostgresClient() as cur:
        query = cur.mogrify(f"""\
                    WITH u AS (
                        INSERT INTO public.users (tenant_id, email, role, name, data, role_id)
                            VALUES (%(tenant_id)s, %(email)s, %(role)s, %(name)s, %(data)s, 
                                            (SELECT COALESCE((SELECT role_id FROM roles WHERE tenant_id = %(tenant_id)s AND role_id = %(role_id)s),
                                                (SELECT role_id FROM roles WHERE tenant_id = %(tenant_id)s AND name = 'Member' LIMIT 1),
                                                (SELECT role_id FROM roles WHERE tenant_id = %(tenant_id)s AND name != 'Owner' LIMIT 1))))
                            RETURNING tenant_id,user_id,email,role,name, role_id
                    ),
                    au AS (INSERT INTO public.basic_authentication (user_id, invitation_token, invited_at)
                             VALUES ((SELECT user_id FROM u), %(invitation_token)s, timezone('utc'::text, now()))
                             RETURNING invitation_token
                            )
                    SELECT u.user_id                                              AS id,
                           u.user_id,
                           u.email,
                           u.role,
                           u.name,
                           (CASE WHEN u.role = 'owner' THEN TRUE ELSE FALSE END)  AS super_admin,
                           (CASE WHEN u.role = 'admin' THEN TRUE ELSE FALSE END)  AS admin,
                           (CASE WHEN u.role = 'member' THEN TRUE ELSE FALSE END) AS member,
                           au.invitation_token,
                           u.role_id,
                           roles.name AS role_name,
                           roles.permissions,
                           TRUE AS has_password
                    FROM au,u LEFT JOIN roles USING(tenant_id) WHERE roles.role_id IS NULL OR roles.role_id =  (SELECT u.role_id FROM u);""",
                            {"tenant_id": tenant_id, "email": email,
                             "role": "owner" if owner else "admin" if admin else "member", "name": name,
                             "data": json.dumps({"lastAnnouncementView": TimeUTC.now()}),
                             "invitation_token": invitation_token, "role_id": role_id})
        cur.execute(
            query
        )
        return helper.dict_to_camel_case(cur.fetchone())


def restore_member(tenant_id, user_id, email, invitation_token, admin, name, owner=False, role_id=None):
    with pg_client.PostgresClient() as cur:
        query = cur.mogrify(f"""\
                    UPDATE public.users
                    SET name= %(name)s,
                        role = %(role)s,
                        deleted_at= NULL,
                        created_at = timezone('utc'::text, now()),
                        tenant_id= %(tenant_id)s,
                        api_key= generate_api_key(20),
                        role_id= (SELECT COALESCE((SELECT role_id FROM roles WHERE tenant_id = %(tenant_id)s AND role_id = %(role_id)s),
                                                (SELECT role_id FROM roles WHERE tenant_id = %(tenant_id)s AND name = 'Member' LIMIT 1),
                                                (SELECT role_id FROM roles WHERE tenant_id = %(tenant_id)s AND name != 'Owner' LIMIT 1)))
                    WHERE user_id=%(user_id)s
                    RETURNING user_id                                           AS id,
                           email,
                           role,
                           name,
                           (CASE WHEN role = 'owner' THEN TRUE ELSE FALSE END)  AS super_admin,
                           (CASE WHEN role = 'admin' THEN TRUE ELSE FALSE END)  AS admin,
                           (CASE WHEN role = 'member' THEN TRUE ELSE FALSE END) AS member,
                           role_id;""",
                            {"tenant_id": tenant_id, "user_id": user_id, "email": email,
                             "role": "owner" if owner else "admin" if admin else "member", "name": name,
                             "role_id": role_id})
        cur.execute(
            query
        )
        result = cur.fetchone()
        query = cur.mogrify("""\
                    UPDATE public.basic_authentication
                    SET invitation_token = %(invitation_token)s,
                        invited_at = timezone('utc'::text, now()),
                        change_pwd_expire_at = NULL,
                        change_pwd_token = NULL
                    WHERE user_id=%(user_id)s
                    RETURNING invitation_token;""",
                            {"user_id": user_id, "invitation_token": invitation_token})
        cur.execute(
            query
        )
        result["invitation_token"] = cur.fetchone()["invitation_token"]

        return helper.dict_to_camel_case(result)


def generate_new_invitation(user_id):
    invitation_token = __generate_invitation_token()
    with pg_client.PostgresClient() as cur:
        query = cur.mogrify("""\
                        UPDATE public.basic_authentication
                        SET invitation_token = %(invitation_token)s,
                            invited_at = timezone('utc'::text, now()),
                            change_pwd_expire_at = NULL,
                            change_pwd_token = NULL
                        WHERE user_id=%(user_id)s
                        RETURNING invitation_token;""",
                            {"user_id": user_id, "invitation_token": invitation_token})
        cur.execute(
            query
        )
        return __get_invitation_link(cur.fetchone().pop("invitation_token"))


def reset_member(tenant_id, editor_id, user_id_to_update):
    admin = get(tenant_id=tenant_id, user_id=editor_id)
    if not admin["admin"] and not admin["superAdmin"]:
        return {"errors": ["unauthorized"]}
    user = get(tenant_id=tenant_id, user_id=user_id_to_update)
    if not user:
        return {"errors": ["user not found"]}
    return {"data": {"invitationLink": generate_new_invitation(user_id_to_update)}}


def update(tenant_id, user_id, changes):
    AUTH_KEYS = ["password", "invitationToken", "invitedAt", "changePwdExpireAt", "changePwdToken"]
    if len(changes.keys()) == 0:
        return None

    sub_query_users = []
    sub_query_bauth = []
    for key in changes.keys():
        if key in AUTH_KEYS:
            if key == "password":
                sub_query_bauth.append("password = crypt(%(password)s, gen_salt('bf', 12))")
                sub_query_bauth.append("changed_at = timezone('utc'::text, now())")
            else:
                sub_query_bauth.append(f"{helper.key_to_snake_case(key)} = %({key})s")
        else:
            if helper.key_to_snake_case(key) == "role_id":
                sub_query_users.append("""role_id=(SELECT COALESCE((SELECT role_id FROM roles WHERE tenant_id = %(tenant_id)s AND role_id = %(role_id)s),
                                                (SELECT role_id FROM roles WHERE tenant_id = %(tenant_id)s AND name = 'Member' LIMIT 1),
                                                (SELECT role_id FROM roles WHERE tenant_id = %(tenant_id)s AND name != 'Owner' LIMIT 1)))""")
            else:
                sub_query_users.append(f"{helper.key_to_snake_case(key)} = %({key})s")
    changes["role_id"] = changes.get("roleId", changes.get("role_id"))
    with pg_client.PostgresClient() as cur:
        if len(sub_query_users) > 0:
            cur.execute(
                cur.mogrify(f"""\
                            UPDATE public.users
                            SET {" ,".join(sub_query_users)}
                            FROM public.basic_authentication
                            WHERE users.user_id = %(user_id)s
                              AND users.tenant_id = %(tenant_id)s
                              AND users.user_id = basic_authentication.user_id
                            RETURNING users.user_id AS id,
                                users.email,
                                users.role,
                                users.name,
                                (CASE WHEN users.role = 'owner' THEN TRUE ELSE FALSE END) AS super_admin,
                                (CASE WHEN users.role = 'admin' THEN TRUE ELSE FALSE END) AS admin,
                                (CASE WHEN users.role = 'member' THEN TRUE ELSE FALSE END) AS member,
                                users.role_id;""",
                            {"tenant_id": tenant_id, "user_id": user_id, **changes})
            )
        if len(sub_query_bauth) > 0:
            cur.execute(
                cur.mogrify(f"""\
                            UPDATE public.basic_authentication
                            SET {" ,".join(sub_query_bauth)}
                            FROM public.users AS users
                            WHERE basic_authentication.user_id = %(user_id)s
                              AND users.tenant_id = %(tenant_id)s
                              AND users.user_id = basic_authentication.user_id
                            RETURNING users.user_id AS id,
                                users.email,
                                users.role,
                                users.name,
                                (CASE WHEN users.role = 'owner' THEN TRUE ELSE FALSE END) AS super_admin,
                                (CASE WHEN users.role = 'admin' THEN TRUE ELSE FALSE END) AS admin,
                                (CASE WHEN users.role = 'member' THEN TRUE ELSE FALSE END) AS member,
                                users.role_id;""",
                            {"tenant_id": tenant_id, "user_id": user_id, **changes})
            )

        return helper.dict_to_camel_case(cur.fetchone())


def create_member(tenant_id, user_id, data, background_tasks: BackgroundTasks):
    admin = get(tenant_id=tenant_id, user_id=user_id)
    if not admin["admin"] and not admin["superAdmin"]:
        return {"errors": ["unauthorized"]}
    if data.get("userId") is not None:
        return {"errors": ["please use POST/PUT /client/members/{memberId} for update"]}
    user = get_by_email_only(email=data["email"])
    if user:
        return {"errors": ["user already exists"]}
    name = data.get("name", None)
    if name is not None and not helper.is_alphabet_latin_space(name):
        return {"errors": ["invalid user name"]}
    if name is None:
        name = data["email"]
    role_id = data.get("roleId")
    if role_id is None:
        role_id = roles.get_role_by_name(tenant_id=tenant_id, name="member").get("roleId")
    invitation_token = __generate_invitation_token()
    user = get_deleted_user_by_email(email=data["email"])
    if user is not None:
        new_member = restore_member(tenant_id=tenant_id, email=data["email"], invitation_token=invitation_token,
                                    admin=data.get("admin", False), name=name, user_id=user["userId"], role_id=role_id)
    else:
        new_member = create_new_member(tenant_id=tenant_id, email=data["email"], invitation_token=invitation_token,
                                       admin=data.get("admin", False), name=name, role_id=role_id)
    new_member["invitationLink"] = __get_invitation_link(new_member.pop("invitationToken"))
    # helper.async_post(config('email_basic') % 'member_invitation',
    #                   {
    #                       "email": data["email"],
    #                       "invitationLink": new_member["invitationLink"],
    #                       "clientId": tenants.get_by_tenant_id(tenant_id)["name"],
    #                       "senderName": admin["name"]
    #                   })
    background_tasks.add_task(email_helper.send_team_invitation, **{
        "recipient": data["email"],
        "invitation_link": new_member["invitationLink"],
        "client_id": tenants.get_by_tenant_id(tenant_id)["name"],
        "sender_name": admin["name"]
    })
    return {"data": new_member}


def __get_invitation_link(invitation_token):
    return config("SITE_URL") + config("invitation_link") % invitation_token


def allow_password_change(user_id, delta_min=10):
    pass_token = secrets.token_urlsafe(8)
    with pg_client.PostgresClient() as cur:
        query = cur.mogrify(f"""UPDATE public.basic_authentication 
                                SET change_pwd_expire_at =  timezone('utc'::text, now()+INTERVAL '%(delta)s MINUTES'),
                                    change_pwd_token = %(pass_token)s
                                WHERE user_id = %(user_id)s""",
                            {"user_id": user_id, "delta": delta_min, "pass_token": pass_token})
        cur.execute(
            query
        )
    return pass_token


def get(user_id, tenant_id):
    with pg_client.PostgresClient() as cur:
        cur.execute(
            cur.mogrify(
                f"""SELECT 
                        users.user_id,
                        email, 
                        role, 
                        users.name,
                        (CASE WHEN role = 'owner' THEN TRUE ELSE FALSE END)  AS super_admin,
                        (CASE WHEN role = 'admin' THEN TRUE ELSE FALSE END)  AS admin,
                        (CASE WHEN role = 'member' THEN TRUE ELSE FALSE END) AS member,
                        api_key,
                        origin,
                        role_id,
                        roles.name AS role_name,
                        roles.permissions,
                        roles.all_projects,
                        basic_authentication.password IS NOT NULL AS has_password
                    FROM public.users LEFT JOIN public.basic_authentication ON users.user_id=basic_authentication.user_id
                        LEFT JOIN public.roles USING (role_id)
                    WHERE
                     users.user_id = %(userId)s
                     AND users.tenant_id = %(tenant_id)s
                     AND users.deleted_at IS NULL
                     AND (roles.role_id IS NULL OR roles.deleted_at IS NULL AND roles.tenant_id = %(tenant_id)s) 
                    LIMIT 1;""",
                {"userId": user_id, "tenant_id": tenant_id})
        )
        r = cur.fetchone()
        return helper.dict_to_camel_case(r)


def generate_new_api_key(user_id):
    with pg_client.PostgresClient() as cur:
        cur.execute(
            cur.mogrify(
                f"""UPDATE public.users
                    SET api_key=generate_api_key(20)
                    WHERE
                     users.user_id = %(userId)s
                     AND deleted_at IS NULL
                    RETURNING api_key;""",
                {"userId": user_id})
        )
        r = cur.fetchone()
    return helper.dict_to_camel_case(r)


def edit(user_id_to_update, tenant_id, changes: schemas_ee.EditUserSchema, editor_id):
    user = get(user_id=user_id_to_update, tenant_id=tenant_id)
    if editor_id != user_id_to_update or changes.admin is not None and changes.admin != user["admin"]:
        admin = get(tenant_id=tenant_id, user_id=editor_id)
        if not admin["superAdmin"] and not admin["admin"]:
            return {"errors": ["unauthorized"]}
    _changes = {}
    if editor_id == user_id_to_update:
        if changes.admin is not None:
            if user["superAdmin"]:
                changes.admin = None
            elif changes.admin != user["admin"]:
                return {"errors": ["cannot change your own role"]}
        if changes.roleId is not None:
            if user["superAdmin"]:
                changes.roleId = None
            elif changes.roleId != user["roleId"]:
                return {"errors": ["cannot change your own role"]}

    if changes.email is not None and changes.email != user["email"]:
        if email_exists(changes.email):
            return {"errors": ["email already exists."]}
        if get_deleted_user_by_email(changes.email) is not None:
            return {"errors": ["email previously deleted."]}
        _changes["email"] = changes.email

    if changes.name is not None and len(changes.name) > 0:
        _changes["name"] = changes.name

    if changes.admin is not None:
        _changes["role"] = "admin" if changes.admin else "member"

    if changes.roleId is not None:
        _changes["roleId"] = changes.roleId

    if len(_changes.keys()) > 0:
        updated_user = update(tenant_id=tenant_id, user_id=user_id_to_update, changes=_changes)
        return {"data": updated_user}
    return {"data": user}


def get_by_email_only(email):
    with pg_client.PostgresClient() as cur:
        cur.execute(
            cur.mogrify(
                f"""SELECT 
                        users.user_id AS id,
                        users.tenant_id,
                        users.email, 
                        users.role, 
                        users.name,
                        (CASE WHEN users.role = 'owner' THEN TRUE ELSE FALSE END)  AS super_admin,
                        (CASE WHEN users.role = 'admin' THEN TRUE ELSE FALSE END)  AS admin,
                        (CASE WHEN users.role = 'member' THEN TRUE ELSE FALSE END) AS member,
                        origin,
                        basic_authentication.password IS NOT NULL AS has_password
                    FROM public.users LEFT JOIN public.basic_authentication ON users.user_id=basic_authentication.user_id
                    WHERE users.email = %(email)s                     
                     AND users.deleted_at IS NULL
                    LIMIT 1;""",
                {"email": email})
        )
        r = cur.fetchone()
    return helper.dict_to_camel_case(r)


def get_by_email_reset(email, reset_token):
    with pg_client.PostgresClient() as cur:
        cur.execute(
            cur.mogrify(
                f"""SELECT 
                        users.user_id AS id,
                        users.tenant_id,
                        users.email, 
                        users.role, 
                        users.name,
                        (CASE WHEN users.role = 'owner' THEN TRUE ELSE FALSE END)  AS super_admin,
                        (CASE WHEN users.role = 'admin' THEN TRUE ELSE FALSE END)  AS admin,
                        (CASE WHEN users.role = 'member' THEN TRUE ELSE FALSE END) AS member
                    FROM public.users LEFT JOIN public.basic_authentication ON users.user_id=basic_authentication.user_id
                    WHERE
                     users.email = %(email)s
                     AND basic_authentication.token =%(token)s                   
                     AND users.deleted_at IS NULL""",
                {"email": email, "token": reset_token})
        )
        r = cur.fetchone()
    return helper.dict_to_camel_case(r)


def get_members(tenant_id):
    with pg_client.PostgresClient() as cur:
        cur.execute(
            cur.mogrify(
                f"""SELECT 
                        users.user_id AS id,
                        users.email, 
                        users.role, 
                        users.name, 
                        users.created_at,
                        (CASE WHEN users.role = 'owner' THEN TRUE ELSE FALSE END)  AS super_admin,
                        (CASE WHEN users.role = 'admin' THEN TRUE ELSE FALSE END)  AS admin,
                        (CASE WHEN users.role = 'member' THEN TRUE ELSE FALSE END) AS member,
                        DATE_PART('day',timezone('utc'::text, now()) \
                            - COALESCE(basic_authentication.invited_at,'2000-01-01'::timestamp ))>=1 AS expired_invitation,
                        basic_authentication.password IS NOT NULL OR users.origin IS NOT NULL AS joined,
                        invitation_token,
                        role_id,
                        roles.name AS role_name
                    FROM public.users 
                        LEFT JOIN public.basic_authentication ON users.user_id=basic_authentication.user_id
                        LEFT JOIN public.roles USING (role_id)
                    WHERE users.tenant_id = %(tenant_id)s AND users.deleted_at IS NULL
                    ORDER BY name, id""",
                {"tenant_id": tenant_id})
        )
        r = cur.fetchall()
        if len(r):
            r = helper.list_to_camel_case(r)
            for u in r:
                u["createdAt"] = TimeUTC.datetime_to_timestamp(u["createdAt"])
                if u["invitationToken"]:
                    u["invitationLink"] = __get_invitation_link(u.pop("invitationToken"))
                else:
                    u["invitationLink"] = None
            return r

    return []


def delete_member(user_id, tenant_id, id_to_delete):
    if user_id == id_to_delete:
        return {"errors": ["unauthorized, cannot delete self"]}

    admin = get(user_id=user_id, tenant_id=tenant_id)
    if admin["member"]:
        return {"errors": ["unauthorized"]}

    to_delete = get(user_id=id_to_delete, tenant_id=tenant_id)
    if to_delete is None:
        return {"errors": ["not found"]}

    if to_delete["superAdmin"]:
        return {"errors": ["cannot delete super admin"]}

    with pg_client.PostgresClient() as cur:
        cur.execute(
            cur.mogrify(f"""UPDATE public.users 
                           SET deleted_at = timezone('utc'::text, now()) 
                           WHERE user_id=%(user_id)s AND tenant_id=%(tenant_id)s;""",
                        {"user_id": id_to_delete, "tenant_id": tenant_id}))
        cur.execute(
            cur.mogrify(f"""UPDATE public.basic_authentication 
                           SET password=NULL 
                           WHERE user_id=%(user_id)s;""",
                        {"user_id": id_to_delete, "tenant_id": tenant_id}))
    return {"data": get_members(tenant_id=tenant_id)}


def change_password(tenant_id, user_id, email, old_password, new_password):
    item = get(tenant_id=tenant_id, user_id=user_id)
    if item is None:
        return {"errors": ["access denied"]}
    if item["origin"] is not None and item["hasPassword"] is False:
        return {"errors": ["cannot change your password because you are logged-in from an SSO service"]}
    if old_password == new_password:
        return {"errors": ["old and new password are the same"]}
    auth = authenticate(email, old_password, for_change_password=True)
    if auth is None:
        return {"errors": ["wrong password"]}
    changes = {"password": new_password}
    user = update(tenant_id=tenant_id, user_id=user_id, changes=changes)
    r = authenticate(user['email'], new_password)

    tenant_id = r.pop("tenantId")
    r["limits"] = {
        "teamMember": -1,
        "projects": -1,
        "metadata": metadata.get_remaining_metadata_with_count(tenant_id)}

    c = tenants.get_by_tenant_id(tenant_id)
    c.pop("createdAt")
    c["projects"] = projects.get_projects(tenant_id=tenant_id, recording_state=True, recorded=True,
                                          stack_integrations=True, user_id=user_id)
    c["smtp"] = helper.has_smtp()
    c["iceServers"] = assist.get_ice_servers()
    return {
        'jwt': r.pop('jwt'),
        'data': {
            "user": r,
            "client": c,
        }
    }


def set_password_invitation(tenant_id, user_id, new_password):
    changes = {"password": new_password,
               "invitationToken": None, "invitedAt": None,
               "changePwdExpireAt": None, "changePwdToken": None}
    user = update(tenant_id=tenant_id, user_id=user_id, changes=changes)
    r = authenticate(user['email'], new_password)

    tenant_id = r.pop("tenantId")
    r["limits"] = {
        "teamMember": -1,
        "projects": -1,
        "metadata": metadata.get_remaining_metadata_with_count(tenant_id)}

    c = tenants.get_by_tenant_id(tenant_id)
    c.pop("createdAt")
    c["projects"] = projects.get_projects(tenant_id=tenant_id, recording_state=True, recorded=True,
                                          stack_integrations=True, user_id=user_id)
    c["smtp"] = helper.has_smtp()
    c["iceServers"] = assist.get_ice_servers()
    return {
        'jwt': r.pop('jwt'),
        'data': {
            "user": r,
            "client": c,
        }
    }


def count_members(tenant_id):
    with pg_client.PostgresClient() as cur:
        cur.execute(
            cur.mogrify(
                """SELECT 
                        COUNT(user_id) 
                    FROM public.users WHERE tenant_id = %(tenant_id)s AND deleted_at IS NULL;""",
                {"tenant_id": tenant_id})
        )
        r = cur.fetchone()
    return r["count"]


def email_exists(email):
    with pg_client.PostgresClient() as cur:
        cur.execute(
            cur.mogrify(
                f"""SELECT 
                        count(user_id)                        
                    FROM public.users
                    WHERE
                     email = %(email)s
                     AND deleted_at IS NULL
                    LIMIT 1;""",
                {"email": email})
        )
        r = cur.fetchone()
    return r["count"] > 0


def get_deleted_user_by_email(email):
    with pg_client.PostgresClient() as cur:
        cur.execute(
            cur.mogrify(
                f"""SELECT 
                        *                        
                    FROM public.users
                    WHERE
                     email = %(email)s
                     AND deleted_at NOTNULL
                    LIMIT 1;""",
                {"email": email})
        )
        r = cur.fetchone()
    return helper.dict_to_camel_case(r)


def get_by_invitation_token(token, pass_token=None):
    with pg_client.PostgresClient() as cur:
        cur.execute(
            cur.mogrify(
                f"""SELECT 
                        *,
                        DATE_PART('day',timezone('utc'::text, now()) \
                            - COALESCE(basic_authentication.invited_at,'2000-01-01'::timestamp ))>=1 AS expired_invitation,
                        change_pwd_expire_at <= timezone('utc'::text, now()) AS expired_change,
                        (EXTRACT(EPOCH FROM current_timestamp-basic_authentication.change_pwd_expire_at))::BIGINT AS change_pwd_age
                    FROM public.users INNER JOIN public.basic_authentication USING(user_id)
                    WHERE invitation_token = %(token)s {"AND change_pwd_token = %(pass_token)s" if pass_token else ""}
                    LIMIT 1;""",
                {"token": token, "pass_token": pass_token})
        )
        r = cur.fetchone()
    return helper.dict_to_camel_case(r)


def auth_exists(user_id, tenant_id, jwt_iat, jwt_aud):
    with pg_client.PostgresClient() as cur:
        cur.execute(
            cur.mogrify(
                f"SELECT user_id AS id,jwt_iat, changed_at FROM public.users INNER JOIN public.basic_authentication USING(user_id) WHERE user_id = %(userId)s AND tenant_id = %(tenant_id)s AND deleted_at IS NULL LIMIT 1;",
                {"userId": user_id, "tenant_id": tenant_id})
        )
        r = cur.fetchone()
    return r is not None \
           and r.get("jwt_iat") is not None \
           and (abs(jwt_iat - TimeUTC.datetime_to_timestamp(r["jwt_iat"]) // 1000) <= 1 \
                or (jwt_aud.startswith("plugin") \
                    and (r["changed_at"] is None \
                         or jwt_iat >= (TimeUTC.datetime_to_timestamp(r["changed_at"]) // 1000)))
                )


def change_jwt_iat(user_id):
    with pg_client.PostgresClient() as cur:
        query = cur.mogrify(
            f"""UPDATE public.users
                       SET jwt_iat = timezone('utc'::text, now())
                       WHERE user_id = %(user_id)s 
                       RETURNING jwt_iat;""",
            {"user_id": user_id})
        cur.execute(query)
        return cur.fetchone().get("jwt_iat")


def authenticate(email, password, for_change_password=False, for_plugin=False):
    with pg_client.PostgresClient() as cur:
        query = cur.mogrify(
            f"""SELECT 
                    users.user_id,
                    users.tenant_id,
                    users.role,
                    users.name,
                    (CASE WHEN users.role = 'owner' THEN TRUE ELSE FALSE END)  AS super_admin,
                    (CASE WHEN users.role = 'admin' THEN TRUE ELSE FALSE END)  AS admin,
                    (CASE WHEN users.role = 'member' THEN TRUE ELSE FALSE END) AS member,
                    users.origin,
                    users.role_id,
                    roles.name AS role_name,
                    roles.permissions
                FROM public.users AS users INNER JOIN public.basic_authentication USING(user_id)
                    LEFT JOIN public.roles ON (roles.role_id = users.role_id AND roles.tenant_id = users.tenant_id)
                WHERE users.email = %(email)s 
                    AND basic_authentication.password = crypt(%(password)s, basic_authentication.password)
                    AND basic_authentication.user_id = (SELECT su.user_id FROM public.users AS su WHERE su.email=%(email)s AND su.deleted_at IS NULL LIMIT 1)
                    AND (roles.role_id IS NULL OR roles.deleted_at IS NULL)
                LIMIT 1;""",
            {"email": email, "password": password})

        cur.execute(query)
        r = cur.fetchone()
        if r is None and helper.is_saml2_available():
            query = cur.mogrify(
                f"""SELECT 1
                    FROM public.users
                    WHERE users.email = %(email)s 
                        AND users.deleted_at IS NULL
                        AND users.origin IS NOT NULL
                    LIMIT 1;""",
                {"email": email})
            cur.execute(query)
            if cur.fetchone() is not None:
                return {"errors": ["must sign-in with SSO"]}

    if r is not None:
        if for_change_password:
            return True
        r = helper.dict_to_camel_case(r)
        jwt_iat = change_jwt_iat(r['userId'])
        return {
            "jwt": authorizers.generate_jwt(r['userId'], r['tenantId'],
                                            TimeUTC.datetime_to_timestamp(jwt_iat),
                                            aud=f"plugin:{helper.get_stage_name()}" if for_plugin else f"front:{helper.get_stage_name()}"),
            "email": email,
            **r
        }
    return None


def authenticate_sso(email, internal_id, exp=None):
    with pg_client.PostgresClient() as cur:
        query = cur.mogrify(
            f"""SELECT 
                    users.user_id,
                    users.tenant_id,
                    users.role,
                    users.name,
                    (CASE WHEN users.role = 'owner' THEN TRUE ELSE FALSE END)  AS super_admin,
                    (CASE WHEN users.role = 'admin' THEN TRUE ELSE FALSE END)  AS admin,
                    (CASE WHEN users.role = 'member' THEN TRUE ELSE FALSE END) AS member,
                    origin,
                    role_id
                FROM public.users AS users
                WHERE users.email = %(email)s AND internal_id = %(internal_id)s;""",
            {"email": email, "internal_id": internal_id})

        cur.execute(query)
        r = cur.fetchone()

    if r is not None:
        r = helper.dict_to_camel_case(r)
        jwt_iat = TimeUTC.datetime_to_timestamp(change_jwt_iat(r['userId']))
        return authorizers.generate_jwt(r['userId'], r['tenantId'],
                                        jwt_iat, aud=f"front:{helper.get_stage_name()}",
                                        exp=(exp + jwt_iat // 1000) if exp is not None else None)
    return None


def create_sso_user(tenant_id, email, admin, name, origin, role_id, internal_id=None):
    with pg_client.PostgresClient() as cur:
        query = cur.mogrify(f"""\
                    WITH u AS (
                        INSERT INTO public.users (tenant_id, email, role, name, data, origin, internal_id, role_id)
                            VALUES (%(tenant_id)s, %(email)s, %(role)s, %(name)s, %(data)s, %(origin)s, %(internal_id)s, 
                                            (SELECT COALESCE((SELECT role_id FROM roles WHERE tenant_id = %(tenant_id)s AND role_id = %(role_id)s),
                                                (SELECT role_id FROM roles WHERE tenant_id = %(tenant_id)s AND name = 'Member' LIMIT 1),
                                                (SELECT role_id FROM roles WHERE tenant_id = %(tenant_id)s AND name != 'Owner' LIMIT 1))))
                            RETURNING *
                    ),
                    au AS (
                        INSERT INTO public.basic_authentication(user_id)
                        VALUES ((SELECT user_id FROM u))
                    )
                    SELECT u.user_id                                              AS id,
                           u.email,
                           u.role,
                           u.name,
                           (CASE WHEN u.role = 'owner' THEN TRUE ELSE FALSE END)  AS super_admin,
                           (CASE WHEN u.role = 'admin' THEN TRUE ELSE FALSE END)  AS admin,
                           (CASE WHEN u.role = 'member' THEN TRUE ELSE FALSE END) AS member,
                           origin
                    FROM u;""",
                            {"tenant_id": tenant_id, "email": email, "internal_id": internal_id,
                             "role": "admin" if admin else "member", "name": name, "origin": origin,
                             "role_id": role_id, "data": json.dumps({"lastAnnouncementView": TimeUTC.now()})})
        cur.execute(
            query
        )
        return helper.dict_to_camel_case(cur.fetchone())


def restore_sso_user(user_id, tenant_id, email, admin, name, origin, role_id, internal_id=None):
    with pg_client.PostgresClient() as cur:
        query = cur.mogrify(f"""\
                    WITH u AS (
                        UPDATE public.users 
                        SET tenant_id= %(tenant_id)s,
                         role= %(role)s, 
                         name= %(name)s,
                         data= %(data)s, 
                         origin= %(origin)s, 
                         internal_id= %(internal_id)s, 
                         role_id= (SELECT COALESCE((SELECT role_id FROM roles WHERE tenant_id = %(tenant_id)s AND role_id = %(role_id)s),
                                                (SELECT role_id FROM roles WHERE tenant_id = %(tenant_id)s AND name = 'Member' LIMIT 1),
                                                (SELECT role_id FROM roles WHERE tenant_id = %(tenant_id)s AND name != 'Owner' LIMIT 1))),
                         deleted_at= NULL,
                         created_at= default,
                         api_key= default,
                         jwt_iat= NULL,
                         weekly_report= default
                        WHERE user_id = %(user_id)s
                        RETURNING *
                    ),
                    au AS (
                        UPDATE public.basic_authentication
                        SET password= default,
                            invitation_token= default,
                            invited_at= default,
                            change_pwd_token= default,
                            change_pwd_expire_at= default,
                            changed_at= NULL  
                        WHERE user_id = %(user_id)s
                        RETURNING user_id
                    )
                    SELECT u.user_id                                              AS id,
                           u.email,
                           u.role,
                           u.name,
                           (CASE WHEN u.role = 'owner' THEN TRUE ELSE FALSE END)  AS super_admin,
                           (CASE WHEN u.role = 'admin' THEN TRUE ELSE FALSE END)  AS admin,
                           (CASE WHEN u.role = 'member' THEN TRUE ELSE FALSE END) AS member,
                           origin
                    FROM u;""",
                            {"tenant_id": tenant_id, "email": email, "internal_id": internal_id,
                             "role": "admin" if admin else "member", "name": name, "origin": origin,
                             "role_id": role_id, "data": json.dumps({"lastAnnouncementView": TimeUTC.now()}),
                             "user_id": user_id})
        cur.execute(
            query
        )
        return helper.dict_to_camel_case(cur.fetchone())