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# to you under the Apache License, Version 2.0 (the
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#
#   http://www.apache.org/licenses/LICENSE-2.0
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"""Unit tests for Sql Lab"""
from datetime import datetime, timedelta
import json
import unittest

from flask_appbuilder.security.sqla import models as ab_models
import prison

from superset import db, security_manager
from superset.dataframe import SupersetDataFrame
from superset.db_engine_specs import BaseEngineSpec
from superset.models.sql_lab import Query
from superset.utils.core import datetime_to_epoch, get_main_database
from .base_tests import SupersetTestCase


class SqlLabTests(SupersetTestCase):
    """Testings for Sql Lab"""

    def __init__(self, *args, **kwargs):
        super(SqlLabTests, self).__init__(*args, **kwargs)

    def run_some_queries(self):
        db.session.query(Query).delete()
        db.session.commit()
        self.run_sql(
            "SELECT * FROM ab_user", client_id="client_id_1", user_name="admin"
        )
        self.run_sql(
            "SELECT * FROM NO_TABLE", client_id="client_id_3", user_name="admin"
        )
        self.run_sql(
            "SELECT * FROM ab_permission",
            client_id="client_id_2",
            user_name="gamma_sqllab",
        )
        self.logout()

    def tearDown(self):
        self.logout()
        db.session.query(Query).delete()
        db.session.commit()
        db.session.close()

    def test_sql_json(self):
        self.login("admin")

        data = self.run_sql("SELECT * FROM ab_user", "1")
        self.assertLess(0, len(data["data"]))

        data = self.run_sql("SELECT * FROM unexistant_table", "2")
        self.assertLess(0, len(data["error"]))

    def test_multi_sql(self):
        self.login("admin")

        multi_sql = """
        SELECT first_name FROM ab_user;
        SELECT first_name FROM ab_user;
        """
        data = self.run_sql(multi_sql, "2234")
        self.assertLess(0, len(data["data"]))

    def test_explain(self):
        self.login("admin")

        data = self.run_sql("EXPLAIN SELECT * FROM ab_user", "1")
        self.assertLess(0, len(data["data"]))

    def test_sql_json_has_access(self):
        main_db = get_main_database()
        security_manager.add_permission_view_menu("database_access", main_db.perm)
        db.session.commit()
        main_db_permission_view = (
            db.session.query(ab_models.PermissionView)
            .join(ab_models.ViewMenu)
            .join(ab_models.Permission)
            .filter(ab_models.ViewMenu.name == "[main].(id:1)")
            .filter(ab_models.Permission.name == "database_access")
            .first()
        )
        astronaut = security_manager.add_role("Astronaut")
        security_manager.add_permission_role(astronaut, main_db_permission_view)
        # Astronaut role is Gamma + sqllab +  main db permissions
        for perm in security_manager.find_role("Gamma").permissions:
            security_manager.add_permission_role(astronaut, perm)
        for perm in security_manager.find_role("sql_lab").permissions:
            security_manager.add_permission_role(astronaut, perm)

        gagarin = security_manager.find_user("gagarin")
        if not gagarin:
            security_manager.add_user(
                "gagarin",
                "Iurii",
                "Gagarin",
                "gagarin@cosmos.ussr",
                astronaut,
                password="general",
            )
        data = self.run_sql("SELECT * FROM ab_user", "3", user_name="gagarin")
        db.session.query(Query).delete()
        db.session.commit()
        self.assertLess(0, len(data["data"]))

    def test_queries_endpoint(self):
        self.run_some_queries()

        # Not logged in, should error out
        resp = self.client.get("/superset/queries/0")
        # Redirects to the login page
        self.assertEquals(403, resp.status_code)

        # Admin sees queries
        self.login("admin")
        data = self.get_json_resp("/superset/queries/0")
        self.assertEquals(2, len(data))

        # Run 2 more queries
        self.run_sql("SELECT * FROM ab_user LIMIT 1", client_id="client_id_4")
        self.run_sql("SELECT * FROM ab_user LIMIT 2", client_id="client_id_5")
        self.login("admin")
        data = self.get_json_resp("/superset/queries/0")
        self.assertEquals(4, len(data))

        now = datetime.now() + timedelta(days=1)
        query = (
            db.session.query(Query)
            .filter_by(sql="SELECT * FROM ab_user LIMIT 1")
            .first()
        )
        query.changed_on = now
        db.session.commit()

        data = self.get_json_resp(
            "/superset/queries/{}".format(int(datetime_to_epoch(now)) - 1000)
        )
        self.assertEquals(1, len(data))

        self.logout()
        resp = self.client.get("/superset/queries/0")
        # Redirects to the login page
        self.assertEquals(403, resp.status_code)

    def test_search_query_on_db_id(self):
        self.run_some_queries()
        self.login("admin")
        # Test search queries on database Id
        data = self.get_json_resp("/superset/search_queries?database_id=1")
        self.assertEquals(3, len(data))
        db_ids = [k["dbId"] for k in data]
        self.assertEquals([1, 1, 1], db_ids)

        resp = self.get_resp("/superset/search_queries?database_id=-1")
        data = json.loads(resp)
        self.assertEquals(0, len(data))

    def test_search_query_on_user(self):
        self.run_some_queries()
        self.login("admin")

        # Test search queries on user Id
        user_id = security_manager.find_user("admin").id
        data = self.get_json_resp("/superset/search_queries?user_id={}".format(user_id))
        self.assertEquals(2, len(data))
        user_ids = {k["userId"] for k in data}
        self.assertEquals(set([user_id]), user_ids)

        user_id = security_manager.find_user("gamma_sqllab").id
        resp = self.get_resp("/superset/search_queries?user_id={}".format(user_id))
        data = json.loads(resp)
        self.assertEquals(1, len(data))
        self.assertEquals(data[0]["userId"], user_id)

    def test_search_query_on_status(self):
        self.run_some_queries()
        self.login("admin")
        # Test search queries on status
        resp = self.get_resp("/superset/search_queries?status=success")
        data = json.loads(resp)
        self.assertEquals(2, len(data))
        states = [k["state"] for k in data]
        self.assertEquals(["success", "success"], states)

        resp = self.get_resp("/superset/search_queries?status=failed")
        data = json.loads(resp)
        self.assertEquals(1, len(data))
        self.assertEquals(data[0]["state"], "failed")

    def test_search_query_on_text(self):
        self.run_some_queries()
        self.login("admin")
        url = "/superset/search_queries?search_text=permission"
        data = self.get_json_resp(url)
        self.assertEquals(1, len(data))
        self.assertIn("permission", data[0]["sql"])

    def test_search_query_on_time(self):
        self.run_some_queries()
        self.login("admin")
        first_query_time = (
            db.session.query(Query).filter_by(sql="SELECT * FROM ab_user").one()
        ).start_time
        second_query_time = (
            db.session.query(Query).filter_by(sql="SELECT * FROM ab_permission").one()
        ).start_time
        # Test search queries on time filter
        from_time = "from={}".format(int(first_query_time))
        to_time = "to={}".format(int(second_query_time))
        params = [from_time, to_time]
        resp = self.get_resp("/superset/search_queries?" + "&".join(params))
        data = json.loads(resp)
        self.assertEquals(2, len(data))

    def test_search_query_with_owner_only_perms(self) -> None:
        """
        Test a search query with can_only_access_owned_queries perm added to
        Admin and make sure only Admin queries show up.
        """
        session = db.session

        # Add can_only_access_owned_queries perm to Admin user
        owned_queries_view = security_manager.find_permission_view_menu(
            "can_only_access_owned_queries", "can_only_access_owned_queries"
        )
        security_manager.add_permission_role(
            security_manager.find_role("Admin"), owned_queries_view
        )
        session.commit()

        # Test search_queries for Admin user
        self.run_some_queries()
        self.login("admin")

        user_id = security_manager.find_user("admin").id
        data = self.get_json_resp("/superset/search_queries")
        self.assertEquals(2, len(data))
        user_ids = {k["userId"] for k in data}
        self.assertEquals(set([user_id]), user_ids)

        # Remove can_only_access_owned_queries from Admin
        owned_queries_view = security_manager.find_permission_view_menu(
            "can_only_access_owned_queries", "can_only_access_owned_queries"
        )
        security_manager.del_permission_role(
            security_manager.find_role("Admin"), owned_queries_view
        )

        session.commit()

    def test_alias_duplicate(self):
        self.run_sql(
            "SELECT username as col, id as col, username FROM ab_user",
            client_id="2e2df3",
            user_name="admin",
            raise_on_error=True,
        )

    def test_df_conversion_no_dict(self):
        cols = [["string_col", "string"], ["int_col", "int"], ["float_col", "float"]]
        data = [["a", 4, 4.0]]
        cdf = SupersetDataFrame(data, cols, BaseEngineSpec)

        self.assertEquals(len(data), cdf.size)
        self.assertEquals(len(cols), len(cdf.columns))

    def test_df_conversion_tuple(self):
        cols = ["string_col", "int_col", "list_col", "float_col"]
        data = [(u"Text", 111, [123], 1.0)]
        cdf = SupersetDataFrame(data, cols, BaseEngineSpec)

        self.assertEquals(len(data), cdf.size)
        self.assertEquals(len(cols), len(cdf.columns))

    def test_df_conversion_dict(self):
        cols = ["string_col", "dict_col", "int_col"]
        data = [["a", {"c1": 1, "c2": 2, "c3": 3}, 4]]
        cdf = SupersetDataFrame(data, cols, BaseEngineSpec)

        self.assertEquals(len(data), cdf.size)
        self.assertEquals(len(cols), len(cdf.columns))

    def test_sqllab_viz(self):
        payload = {
            "chartType": "dist_bar",
            "datasourceName": "test_viz_flow_table",
            "schema": "superset",
            "columns": [
                {
                    "is_date": False,
                    "type": "STRING",
                    "name": "viz_type",
                    "is_dim": True,
                },
                {
                    "is_date": False,
                    "type": "OBJECT",
                    "name": "ccount",
                    "is_dim": True,
                    "agg": "sum",
                },
            ],
            "sql": """\
                SELECT viz_type, count(1) as ccount
                FROM slices
                WHERE viz_type LIKE '%a%'
                GROUP BY viz_type""",
            "dbId": 1,
        }
        data = {"data": json.dumps(payload)}
        resp = self.get_json_resp("/superset/sqllab_viz/", data=data)
        self.assertIn("table_id", resp)

    def test_sql_limit(self):
        self.login("admin")
        test_limit = 1
        data = self.run_sql("SELECT * FROM ab_user", client_id="sql_limit_1")
        self.assertGreater(len(data["data"]), test_limit)
        data = self.run_sql(
            "SELECT * FROM ab_user", client_id="sql_limit_2", query_limit=test_limit
        )
        self.assertEquals(len(data["data"]), test_limit)
        data = self.run_sql(
            "SELECT * FROM ab_user LIMIT {}".format(test_limit),
            client_id="sql_limit_3",
            query_limit=test_limit + 1,
        )
        self.assertEquals(len(data["data"]), test_limit)
        data = self.run_sql(
            "SELECT * FROM ab_user LIMIT {}".format(test_limit + 1),
            client_id="sql_limit_4",
            query_limit=test_limit,
        )
        self.assertEquals(len(data["data"]), test_limit)

    def test_queryview_filter(self) -> None:
        """
        Test queryview api without can_only_access_owned_queries perm added to
        Admin and make sure all queries show up.
        """
        self.run_some_queries()
        self.login(username="admin")

        url = "/queryview/api/read"
        data = self.get_json_resp(url)
        admin = security_manager.find_user("admin")
        gamma_sqllab = security_manager.find_user("gamma_sqllab")
        self.assertEquals(3, len(data["result"]))
        user_queries = [result.get("username") for result in data["result"]]
        assert admin.username in user_queries
        assert gamma_sqllab.username in user_queries

    def test_queryview_filter_owner_only(self) -> None:
        """
        Test queryview api with can_only_access_owned_queries perm added to
        Admin and make sure only Admin queries show up.
        """
        session = db.session

        # Add can_only_access_owned_queries perm to Admin user
        owned_queries_view = security_manager.find_permission_view_menu(
            "can_only_access_owned_queries", "can_only_access_owned_queries"
        )
        security_manager.add_permission_role(
            security_manager.find_role("Admin"), owned_queries_view
        )
        session.commit()

        # Test search_queries for Admin user
        self.run_some_queries()
        self.login("admin")

        url = "/queryview/api/read"
        data = self.get_json_resp(url)
        admin = security_manager.find_user("admin")
        self.assertEquals(2, len(data["result"]))
        all_admin_user_queries = all(
            [result.get("username") == admin.username for result in data["result"]]
        )
        assert all_admin_user_queries is True

        # Remove can_only_access_owned_queries from Admin
        owned_queries_view = security_manager.find_permission_view_menu(
            "can_only_access_owned_queries", "can_only_access_owned_queries"
        )
        security_manager.del_permission_role(
            security_manager.find_role("Admin"), owned_queries_view
        )

        session.commit()

    def test_api_database(self):
        self.login("admin")

        arguments = {
            "keys": [],
            "filters": [{"col": "expose_in_sqllab", "opr": "eq", "value": True}],
            "order_column": "database_name",
            "order_direction": "asc",
            "page": 0,
            "page_size": -1,
        }
        expected_results = ["examples", "fake_db_100", "main"]
        url = "api/v1/database/?{}={}".format("q", prison.dumps(arguments))
        data = self.get_json_resp(url)
        for i, expected_result in enumerate(expected_results):
            self.assertEquals(expected_result, data["result"][i]["database_name"])


if __name__ == "__main__":
    unittest.main()