/*
 * 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.
 */

// [START googlegenaisdk_textgen_with_local_video]

using Google.GenAI;
using Google.GenAI.Types;
using System;
using System.Collections.Generic;
using System.IO;
using System.Threading.Tasks;

public class TextGenWithLocalVideo
{
    public async Task<string> GenerateContent(
        string projectId = "your-project-id",
        string location = "global",
        string model = "gemini-2.5-flash",
        string localVideoFilePath = "path/to/local_video.mp4")
    {
        await using var client = new Client(
            project: projectId,
            location: location,
            vertexAI: true,
            httpOptions: new HttpOptions { ApiVersion = "v1" });

        // Read local video content.
        byte[] videoBytes = File.ReadAllBytes(localVideoFilePath);

        var contents = new List<Content>
        {
            new Content
            {
                Role = "user",
                Parts = new List<Part>
                {
                    new Part { InlineData = new Blob { Data = videoBytes, MimeType = "video/mp4" } },
                    new Part { Text = "Write a short and engaging blog post based on this video." }
                }
            }
        };

        GenerateContentResponse response = await client.Models.GenerateContentAsync(
            model: model,
            contents: contents);

        string responseText = response.Candidates[0].Content.Parts[0].Text;
        Console.WriteLine(responseText);
        // Example response:
        // The Art of the Ascent: A Masterclass in Indoor Climbing
        // There's a certain raw beauty in the art of rock climbing,
        // and this video captures it perfectly.
        // ...
        return responseText;
    }
}
// [END googlegenaisdk_textgen_with_local_video]
