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# or more contributor license agreements.  See the NOTICE file
# distributed with this work for additional information
# regarding copyright ownership.  The ASF licenses this file
# to you under the Apache License, Version 2.0 (the
# "License"); you may not use this file except in compliance
# with the License.  You may obtain a copy of the License at
#
#   http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing,
# software distributed under the License is distributed on an
# "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
# KIND, either express or implied.  See the License for the
# specific language governing permissions and limitations
# under the License.
# pylint: disable=C,R,W
from typing import Callable

import simplejson as json
from flask import g, redirect
from flask_appbuilder import expose
from flask_appbuilder.models.sqla.interface import SQLAInterface
from flask_appbuilder.security.decorators import has_access, has_access_api
from flask_babel import gettext as __, lazy_gettext as _
from flask_sqlalchemy import BaseQuery

from superset import appbuilder, get_feature_flags, security_manager
from superset.models.sql_lab import Query, SavedQuery
from superset.utils import core as utils

from .base import BaseSupersetView, DeleteMixin, SupersetFilter, SupersetModelView


class QueryFilter(SupersetFilter):
    def apply(self, query: BaseQuery, func: Callable) -> BaseQuery:
        """
        Filter queries to only those owned by current user if
        can_only_access_owned_queries permission is set.

        :returns: query
        """
        if security_manager.can_only_access_owned_queries():
            query = query.filter(Query.user_id == g.user.get_user_id())
        return query


class QueryView(SupersetModelView):
    datamodel = SQLAInterface(Query)

    list_title = _("List Query")
    show_title = _("Show Query")
    add_title = _("Add Query")
    edit_title = _("Edit Query")

    list_columns = ["username", "database_name", "status", "start_time", "end_time"]
    order_columns = ["status", "start_time", "end_time"]
    base_filters = [["id", QueryFilter, lambda: []]]
    label_columns = {
        "user": _("User"),
        "username": _("User"),
        "database_name": _("Database"),
        "status": _("Status"),
        "start_time": _("Start Time"),
        "end_time": _("End Time"),
    }


appbuilder.add_view(
    QueryView,
    "Queries",
    label=__("Queries"),
    category="Manage",
    category_label=__("Manage"),
    icon="fa-search",
)


class SavedQueryView(SupersetModelView, DeleteMixin):
    datamodel = SQLAInterface(SavedQuery)

    list_title = _("List Saved Query")
    show_title = _("Show Saved Query")
    add_title = _("Add Saved Query")
    edit_title = _("Edit Saved Query")

    list_columns = [
        "label",
        "user",
        "database",
        "schema",
        "description",
        "modified",
        "pop_tab_link",
    ]
    order_columns = ["label", "schema", "description", "modified"]
    show_columns = [
        "id",
        "label",
        "user",
        "database",
        "description",
        "sql",
        "pop_tab_link",
    ]
    search_columns = ("label", "user", "database", "schema", "changed_on")
    add_columns = ["label", "database", "description", "sql"]
    edit_columns = add_columns
    base_order = ("changed_on", "desc")
    label_columns = {
        "label": _("Label"),
        "user": _("User"),
        "database": _("Database"),
        "description": _("Description"),
        "modified": _("Modified"),
        "end_time": _("End Time"),
        "pop_tab_link": _("Pop Tab Link"),
        "changed_on": _("Changed on"),
    }

    show_template = "superset/models/savedquery/show.html"

    def pre_add(self, obj):
        obj.user = g.user

    def pre_update(self, obj):
        self.pre_add(obj)

    @has_access
    @expose("show/<pk>")
    def show(self, pk):
        pk = self._deserialize_pk_if_composite(pk)
        widgets = self._show(pk)
        query = self.datamodel.get(pk).to_json()
        query["extra_json"] = json.loads(query["extra_json"])
        payload = {"common": {"feature_flags": get_feature_flags(), "query": query}}

        return self.render_template(
            self.show_template,
            pk=pk,
            title=self.show_title,
            widgets=widgets,
            related_views=self._related_views,
            bootstrap_data=json.dumps(payload, default=utils.json_iso_dttm_ser),
        )


class SavedQueryViewApi(SavedQueryView):
    list_columns = [
        "id",
        "label",
        "sqlalchemy_uri",
        "user_email",
        "schema",
        "description",
        "sql",
        "extra_json",
    ]
    add_columns = ["label", "db_id", "schema", "description", "sql", "extra_json"]
    edit_columns = add_columns
    show_columns = add_columns + ["id"]

    @has_access_api
    @expose("show/<pk>")
    def show(self, pk):
        return super().show(pk)


appbuilder.add_view_no_menu(SavedQueryViewApi)
appbuilder.add_view_no_menu(SavedQueryView)

appbuilder.add_link(
    __("Saved Queries"), href="/sqllab/my_queries/", icon="fa-save", category="SQL Lab"
)


class SqlLab(BaseSupersetView):
    """The base views for Superset!"""

    @expose("/my_queries/")
    @has_access
    def my_queries(self):
        """Assigns a list of found users to the given role."""
        return redirect("/savedqueryview/list/?_flt_0_user={}".format(g.user.id))


appbuilder.add_view_no_menu(SqlLab)