/// <summary>
/// Builds a set of pre-formatted pages for the commands in the given module.
/// </summary>
/// <param name="module">The module that contains the commands.</param>
/// <returns>A list of pages, where each page is a list of embed fields.</returns>
private IReadOnlyList <IReadOnlyList <EmbedFieldBuilder> > BuildCommandListPages([NotNull] ModuleInfo module)
{
var pages = new List <IReadOnlyList <EmbedFieldBuilder> >();
var currentPage = new List <EmbedFieldBuilder>();
var currentContentLength = 0;
var commandGroups = module
.GetAllCommands()
.GroupBy(c => c.Aliases.OrderByDescending(a => a).First())
.ToList();
foreach (var commandGroup in commandGroups)
{
var helpField = _help.CreateCommandInfoEmbedField(commandGroup.First());
var commandContentLength = helpField.Name.Length + ((string)helpField.Value).Length;
if (commandGroup.Count() > 1)
{
var hint = "*This command has multiple variants.*";
helpField.WithValue((string)helpField.Value + "\n" + hint);
commandContentLength += hint.Length;
}
if (currentPage.Count >= 5 || (currentContentLength + commandContentLength) > 1300)
{
pages.Add(currentPage);
currentPage = new List <EmbedFieldBuilder>();
currentContentLength = 0;
}
currentPage.Add(helpField);
currentContentLength += commandContentLength;
if (commandGroup == commandGroups.Last() && !pages.Contains(currentPage))
{
pages.Add(currentPage);
}
}
return(pages);
}