using System.Text.Json;
using Clawdforge;
using Clawdforge.Exceptions;
using Clawdforge.Models;

// Quickstart for the clawdforge C# SDK.
//
// Set environment vars:
//   CLAWDFORGE_URL=http://192.168.0.5:8800
//   CLAWDFORGE_TOKEN=cf_<your-app-token>

var baseUrl = Environment.GetEnvironmentVariable("CLAWDFORGE_URL")
              ?? "http://localhost:8800";
var token = Environment.GetEnvironmentVariable("CLAWDFORGE_TOKEN")
            ?? throw new InvalidOperationException("CLAWDFORGE_TOKEN env var is required");

using var client = new ForgeClient(new ForgeOptions
{
    BaseUrl = baseUrl,
    Token = token,
});

// 60s ceiling for the whole demo via cancellation.
using var cts = new CancellationTokenSource(TimeSpan.FromSeconds(120));
var ct = cts.Token;

try
{
    var h = await client.HealthzAsync(ct);
    Console.WriteLine($"clawdforge ok={h.Ok} claude_present={h.ClaudePresent} version={h.ClaudeVersion}");

    var res = await client.RunAsync(new RunRequest
    {
        Prompt = "Reply with JSON: {\"hello\": \"world\"}",
        Model = "sonnet",
        TimeoutSecs = 60,
    }, ct);

    Console.WriteLine($"duration: {res.DurationMs}ms  stop_reason: {res.StopReason}");

    // res.Result is a JsonElement — caller narrows by ValueKind.
    if (res.Result.ValueKind == JsonValueKind.Object
        && res.Result.TryGetProperty("hello", out var hello))
    {
        Console.WriteLine($"hello: {hello.GetString()}");
    }
    else
    {
        Console.WriteLine($"raw result: {res.AsText()}");
    }

    // Optional file-upload demo: only runs if a path is in argv[0].
    if (args.Length > 0 && File.Exists(args[0]))
    {
        var ft = await client.UploadFileAsync(args[0], ttlSecs: 3600, ct);
        Console.WriteLine($"uploaded: token={ft.Token} size={ft.Size}");

        var withFile = await client.RunAsync(new RunRequest
        {
            Prompt = "Describe the attached file.",
            Files = new[] { ft.Token },
        }, ct);
        Console.WriteLine($"file run: {withFile.AsText()}");
    }
}
catch (ForgeAuthException ex)
{
    Console.Error.WriteLine($"auth failed: {ex.StatusCode}: {ex.Body}");
    Environment.Exit(2);
}
catch (ForgeApiException ex)
{
    Console.Error.WriteLine($"api error {ex.StatusCode}: {ex.Body}");
    Environment.Exit(3);
}
catch (ForgeTransportException ex)
{
    Console.Error.WriteLine($"transport: {ex.Message}");
    Environment.Exit(4);
}