using System.IO;
using System.Threading.Tasks;

using DiscordChatExporter.Core.Discord;
using DiscordChatExporter.Core.Discord.Data;
using DiscordChatExporter.Core.Exporting;
using DiscordChatExporter.Core.Exporting.Filtering;
using DiscordChatExporter.Core.Exporting.Partitioning;

namespace Breadcraft;

internal static class Transcriber
{
	internal static async Task ExecuteAsync(ulong channelID, uint ticketID)
	{
		DiscordClient discordClient = new DiscordClient(Config.token);
		ChannelExporter exporter = new ChannelExporter(discordClient);

		if (!Directory.Exists("./transcripts"))
		{
			Directory.CreateDirectory("./transcripts");
		}
			
		Channel channel = await discordClient.GetChannelAsync(new Snowflake(channelID));
		Guild guild = await discordClient.GetGuildAsync(channel.GuildId);

		ExportRequest request = new ExportRequest(
			Guild: guild,
			Channel: channel,
			OutputPath: GetPath(ticketID),
			Format: ExportFormat.HtmlDark,
			After: null,
			Before: null,
			PartitionLimit: PartitionLimit.Null,
			MessageFilter: MessageFilter.Null,
			ShouldDownloadMedia: false,
			ShouldReuseMedia: false,
			DateFormat: "yyyy-MMM-dd HH:mm"
			);

		await exporter.ExportChannelAsync(request);
	}

	internal static string GetPath(uint ticketNumber)
	{
		return "./transcripts/" + GetFilename(ticketNumber);
	}

	internal static string GetFilename(uint ticketNumber)
	{
		return "ticket-" + ticketNumber.ToString("00000") + ".html";
	}
}