using SharpChat.SockChat.S2CPackets;

namespace SharpChat.ClientCommands;

public class JoinChannelClientCommand : ClientCommand {
    public bool IsMatch(ClientCommandContext ctx) {
        return ctx.NameEquals("join");
    }

    public async Task Dispatch(ClientCommandContext ctx) {
        long msgId = ctx.Chat.RandomSnowflake.Next();
        string joinChanStr = ctx.Args.FirstOrDefault() ?? "Channel";
        Channel? joinChan = ctx.Chat.Channels.FirstOrDefault(c => c.NameEquals(joinChanStr));

        if(joinChan is null) {
            await ctx.Chat.SendTo(ctx.User, new CommandResponseS2CPacket(msgId, LCR.CHANNEL_NOT_FOUND, true, joinChanStr));
            await ctx.Chat.ForceChannel(ctx.User);
            return;
        }

        await ctx.Chat.SwitchChannel(ctx.User, joinChan, string.Join(' ', ctx.Args.Skip(1)));
    }
}