# Copyright 2025 Google LLC
#
# 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
#
#    https://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.


def count_tokens_example() -> int:
    # [START googlegenaisdk_counttoken_resp_with_txt]
    from google import genai
    from google.genai.types import HttpOptions

    client = genai.Client(http_options=HttpOptions(api_version="v1"))

    prompt = "Why is the sky blue?"

    # Send text to Gemini
    response = client.models.generate_content(
        model="gemini-2.0-flash-001", contents=prompt
    )

    # Prompt and response tokens count
    print(response.usage_metadata)

    # Example output:
    #  cached_content_token_count=None
    #  candidates_token_count=311
    #  prompt_token_count=6
    #  total_token_count=317
    # [END googlegenaisdk_counttoken_resp_with_txt]
    return response.usage_metadata


if __name__ == "__main__":
    count_tokens_example()