using Spectre.Console;

namespace AnchorCli;

internal static class SetupTui
{
    public static void Run()
    {
        var config = AnchorConfig.Load();

        AnsiConsole.Write(new Rule("[cornflowerblue]anchor setup[/]").LeftJustified());
        AnsiConsole.WriteLine();

        // ── API Key ───────────────────────────────────────────────────
        string maskedKey = config.ApiKey.Length > 8
            ? config.ApiKey[..4] + new string('*', config.ApiKey.Length - 8) + config.ApiKey[^4..]
            : config.ApiKey.Length > 0 ? "****" : "[dim](not set)[/]";

        AnsiConsole.MarkupLine($"  Current API key: [dim]{Markup.Escape(maskedKey)}[/]");
        string newKey = AnsiConsole.Prompt(
            new TextPrompt<string>("  New API key [dim](Enter to keep)[/]:")
                .AllowEmpty()
                .Secret('*'));

        if (!string.IsNullOrWhiteSpace(newKey))
            config.ApiKey = newKey.Trim();

        AnsiConsole.WriteLine();

        // ── Model ─────────────────────────────────────────────────────
        AnsiConsole.MarkupLine($"  Current model: [cyan]{Markup.Escape(config.Model)}[/]");

        var models = new List<(string Value, string Description)>
        {
            ("qwen/qwen3.5-397b-a17b", "smart, expensive"),
            ("qwen/qwen3.5-35b-a3b", "cheapest"),
            ("qwen/qwen3.5-27b", "fast"),
            ("qwen/qwen3.5-122b-a10b", "smart"),
            ("Custom...", "")
        };

        string selectedModel = AnsiConsole.Prompt(
            new SelectionPrompt<(string Value, string Description)>()
                .Title("  Select a model:")
                .UseConverter(m => m.Value + (string.IsNullOrEmpty(m.Description) ? "" : $" [dim]({m.Description})[/]"))
                .AddChoices(models))
                .Value;

        if (selectedModel == "Custom...")
        {
            string customModel = AnsiConsole.Prompt(
                new TextPrompt<string>("  Enter custom model name:")
                    .AllowEmpty());

            if (!string.IsNullOrWhiteSpace(customModel))
                config.Model = customModel.Trim();
        }
        else
        {
            config.Model = selectedModel;
        }

        // ── Save ──────────────────────────────────────────────────────
        AnsiConsole.WriteLine();
        config.Save();
        AnsiConsole.MarkupLine("[green]✓ Config saved.[/]");
    }
}