using OpenAI;
using Microsoft.Extensions.AI;

IChatClient client = new OpenAIClient("kimi-k2.5", Environment.GetEnvironmentVariable("API_KEY"))
    .AsIChatClient();

Console.WriteLine(await client.GetResponseAsync("What is AI?"));

using OpenAI;
using Microsoft.Extensions.AI;

IChatClient client = new OpenAIClient("kimi-k2.5", Environment.GetEnvironmentVariable("API_KEY"))
    .AsIChatClient();

Console.WriteLine(await client.GetResponseAsync(
[
    new ChatMessage(ChatRole.System, "You are a helpful AI assistant"),
    new ChatMessage(ChatRole.User, "What is AI?")
]));

using OpenAI;
using Microsoft.Extensions.AI;

IChatClient client = new OpenAIClient("kimi-k2.5", Environment.GetEnvironmentVariable("API_KEY"))
    .AsIChatClient();

await foreach (var update in client.GetStreamingResponseAsync("What is AI?"))
{
    Console.Write(update);
}

using OpenAI;
using System.ComponentModel;
using Microsoft.Extensions.AI;

IChatClient client = new OpenAIClient("deepseek-v4-flash", Environment.GetEnvironmentVariable("API_KEY"))
    .AsIChatClient();

ChatOptions chatOptions = new()
{
    Tools = [AIFunctionFactory.Create(GetWeather)]
};

await foreach (var message in client.GetStreamingResponseAsync("Do I need an umbrella?", chatOptions))
{
    Console.Write(message);
}

[Description("Gets the weather")]
static string GetWeather() =>
    Random.Shared.NextDouble() > 0.5 ? "It's sunny" : "It's raining";