using BotPages.Core;
using BotPages.Core.Messaging;
using BotPages.Core.Routing;

namespace Demo.Pages;

/// <summary>
/// Страница ввода деталей заявки.
/// Страница с параметрами и получением состояния.
/// </summary>
public sealed class DetailsPage : StatefullPage<string>
{
    [Statefull("Request")]
    private Models.Request Request;

    public override Task OnEnter(PageContext ctx, string args, CancellationToken ct)
    {
        Request = new()
        {
            Title = args,
        };

        return new MessageBuilder(ctx)
            .Text($"Заголовок: {args}\nДобавьте детали или нажмите Далее.")
            .Inline(new InlineButton("Далее", "next"), new InlineButton("Назад", "back"))
            .Reply("Отмена")
            .SendAsync(ct);
    }

    public override async Task OnButton(PageContext ctx, string payload, CancellationToken ct)
    {
        switch (payload)
        {
            case "next":
                {
                    await SaveState(ctx, ct);
                    await ctx.Navigation.GoToAsync<FilesPage>(ctx, ct);
                    break;
                }

            case "back":
                {
                    await ctx.Navigation.GoToAsync<TitlePage>(ctx, ct);
                    break;
                }
        }
        ;
    }

    public override async Task OnText(PageContext ctx, string text, CancellationToken ct)
    {
        Request.Details = text;
        await SaveState(ctx, ct);
        await ctx.Navigation.GoToAsync<FilesPage>(ctx, ct);
    }

    internal static string Command => "/create_request {title?}";
    internal static string CommandDescription => "создание заявки /create_request {title}";
    internal static CommandHandler CommandHandler = async (ctx, args, ct) =>
    {
        string? title = "";
        args?.TryGetValue("title", out title);

        // Навигация на страницу по имени
        await ctx.Navigation.GoToAsync<DetailsPage, string>(ctx, title ?? "", ct);
    };
}