using SharpChat.Events;
using SharpChat.SockChat.PacketsS2C;

namespace SharpChat.SockChat.Commands {
    public class ChannelPasswordCommand : ISockChatClientCommand {
        public bool IsMatch(SockChatClientCommandContext ctx) {
            return ctx.NameEquals("pwd")
                || ctx.NameEquals("password");
        }

        public void Dispatch(SockChatClientCommandContext ctx) {
            if(!ctx.User.Permissions.HasFlag(UserPermissions.SetChannelPassword) || ctx.Channel.OwnerId != ctx.User.UserId) {
                ctx.Chat.SendTo(ctx.User, new CommandNotAllowedErrorS2CPacket(ctx.Name));
                return;
            }

            string chanPass = string.Join(' ', ctx.Args).Trim();

            if(string.IsNullOrWhiteSpace(chanPass))
                chanPass = string.Empty;

            ctx.Chat.Events.Dispatch("chan:update", ctx.Channel.Name, ctx.User, new ChannelUpdateEventData(password: chanPass));
            ctx.Chat.SendTo(ctx.User, new ChannelPasswordChangedResponseS2CPacket());
        }
    }
}