using CSharpDiscordWebhook;
using CSharpDiscordWebhook.Objects;
using System.Runtime.InteropServices;
using RadicadeServer.RecNet.Responses;
using RadicadeServer.Discord.Webhooks;

namespace RadicadeServer.Radicade.Discord;
public static class RadicadeWebhook
{
	private static DiscordWebhook? Webhook;

	private static string WebhookUrl => WebhookConfig.GeneralActivityUrl;

	private static readonly Success WebhookInvalid = Success.Error("Webhook is disabled/invalid.");
	private static readonly Success CouldntSendMessage = Success.Error("Couldn't send message.");

	public static bool IsWebhookValid()
	{
		return Uri.TryCreate(WebhookUrl, UriKind.Absolute, out var uri)
			&& (uri.Scheme == Uri.UriSchemeHttp || uri.Scheme == Uri.UriSchemeHttps);
	}

	private static bool TryInit()
	{
		if (!IsWebhookValid()) return false;
		if (Webhook != null) return true;

		try
		{
			Webhook = new DiscordWebhook(new Uri(WebhookUrl));
		}
		catch (Exception)
		{
			Webhook = null;
			return false;
		}

		return true;
	}

	public static async Task<Success> SendMessage(
		[Optional] string content,
		[Optional] List<EmbedBuilder> embed,
		[Optional] PollBuilder poll,
		[Optional] List<AttachmentBuilder> attachments
		)
	{
		if (!TryInit()) return WebhookInvalid;

		try
		{
			var result = await Webhook!.SendMessageAsync(new MessageBuilder
			{
				Content = content,
				Embeds = embed,
				Poll = poll,
				Attachments = attachments
			});

			return (result.Success) ? Success.Ok : CouldntSendMessage;
		}
		catch (Exception)
		{
			return CouldntSendMessage;
		}
	}

	public static async Task<Success> SendMessage(MessageBuilder message)
	{
		if (!TryInit()) return WebhookInvalid;

		try
		{
			var result = await Webhook!.SendMessageAsync(message);

			return (result.Success) ? Success.Ok : CouldntSendMessage;
		}
		catch (Exception)
		{
			return CouldntSendMessage;
		}
	}
}