#!/usr/bin/env python

# Copyright 2021 Google Inc. All Rights Reserved.
#
# Licensed 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.

"""Google Analytics Data API sample application demonstrating the creation of
a pivot report.

See https://developers.google.com/analytics/devguides/reporting/data/v1/rest/v1beta/properties/runPivotReport
for more information.
"""
# [START analyticsdata_run_pivot_report]
from google.analytics.data_v1beta import BetaAnalyticsDataClient
from google.analytics.data_v1beta.types import (
    DateRange,
    Dimension,
    Metric,
    OrderBy,
    Pivot,
    RunPivotReportRequest,
)


def run_sample():
    """Runs the sample."""
    # TODO(developer): Replace this variable with your Google Analytics 4
    #  property ID before running the sample.
    property_id = "YOUR-GA4-PROPERTY-ID"
    run_pivot_report(property_id)


def run_pivot_report(property_id="YOUR-GA4-PROPERTY-ID"):
    """Runs a pivot query to build a report of session counts by country,
    pivoted by the browser dimension."""
    client = BetaAnalyticsDataClient()

    request = RunPivotReportRequest(
        property=f"properties/{property_id}",
        date_ranges=[DateRange(start_date="2021-01-01", end_date="2021-01-30")],
        pivots=[
            Pivot(
                field_names=["country"],
                limit=250,
                order_bys=[
                    OrderBy(
                        dimension=OrderBy.DimensionOrderBy(dimension_name="country")
                    )
                ],
            ),
            Pivot(
                field_names=["browser"],
                offset=3,
                limit=3,
                order_bys=[
                    OrderBy(
                        metric=OrderBy.MetricOrderBy(metric_name="sessions"), desc=True
                    )
                ],
            ),
        ],
        metrics=[Metric(name="sessions")],
        dimensions=[Dimension(name="country"), Dimension(name="browser")],
    )
    response = client.run_pivot_report(request)
    print_run_pivot_report_response(response)


def print_run_pivot_report_response(response):
    """Prints results of a runPivotReport call."""
    # [START analyticsdata_print_run_pivot_report_response]
    print("Report result:")
    for row in response.rows:
        for dimension_value in row.dimension_values:
            print(dimension_value.value)

        for metric_value in row.metric_values:
            print(metric_value.value)
    # [END analyticsdata_print_run_pivot_report_response]


# [END analyticsdata_run_pivot_report]


if __name__ == "__main__":
    run_sample()
