SandboxChatApi.cs

using System.Diagnostics;
using System.Net.Http.Headers;
using System.Text;
using System.Text.Json;
using System.Text.Json.Nodes;

// https://platform.openai.com/docs/guides/chat
const string apiKey = "(APIKEY)";

async Task<string> Send(HttpClient httpClient, IEnumerable<(string Role, string Content)> history)
{
    var json = new
    {
        model = "gpt-3.5-turbo",
        messages = history.Select(x => new
        {
            role = x.Role,
            content = x.Content
        }),
    };

    var content = JsonSerializer.Serialize(json);
    var request = new HttpRequestMessage
    {
        Method = HttpMethod.Post,
        RequestUri = new Uri("https://api.openai.com/v1/chat/completions"),
        Headers = { Authorization = new AuthenticationHeaderValue("Bearer", apiKey) },
    };
    request.Content = new StringContent(content, Encoding.UTF8, "application/json");

    var response = await httpClient.SendAsync(request);
    if (response.IsSuccessStatusCode)
    {
        var resultString = await response.Content.ReadAsStringAsync();
        var message = JsonNode.Parse(resultString)?["choices"]?[0]?["message"]?["content"]?.ToString().Trim() ?? "";
        return message;
    }
    else
    {
        throw new Exception($"Error: {response.StatusCode}");
    }
}

var httpClient = new HttpClient();
var history = new[]
{
    (Role: "user", Content: $@"以下のことを実行するbashスクリプトを書いてください。
- {args[0]}

出力には説明は含まず、スクリプトの中にコメントとして記述してください。"),
};

var result = await Send(httpClient, history);
var file = $"{DateTime.Now:yyyyMMdd_HHmmss}.bash";
Console.WriteLine(result);
File.WriteAllText(file, result);
Console.WriteLine("---");
Console.WriteLine("実行しますか？");
var r = Console.ReadLine()?.ToLowerInvariant();
if (r == "yes" || r == "y")
{
    var startInfo = new ProcessStartInfo
    {
        FileName = "/bin/bash",
        Arguments = file,
    };
    var proc = new Process
    {
        StartInfo = startInfo,
    };
    proc.Start();
}