using Discord;
using Discord.Commands;
using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;

namespace EventBot.Misc
{
    public static class Extensions
    {

        public static ContextType GetContextType(this ICommandContext context)
        {
            ContextType type = 0;
            if (context.Channel is IGuildChannel)
                type |= ContextType.Guild;
            if (context.Channel is IDMChannel)
                type |= ContextType.DM;
            if (context.Channel is IGroupChannel)
                type |= ContextType.Group;
            return type;
        }

        public static bool IsContextType(this ICommandContext context, ContextType type) => (context.GetContextType() & type) != 0;

        public static string FormatCallHelpString(this CommandInfo command)
        {
            return $"{command.Aliases[0]} {string.Join(" ", command.Parameters.Select(p => p.IsOptional ? $"[{p.Name}]" : $"<{p.Name}>"))}";
        }
    }
}