/// <summary>
///
/// </summary>
/// <param name="overseer"></param>
/// <param name="absolutePath"></param>
/// <returns>a list of string of files that ends with proper postfix and supported language</returns>
public static string Delegated_GetApplicableFileWithFeedback(FileReadingOverseer overseer, string absolutePath)
{
List <string> qnotefiles = GetQNoteFiles(absolutePath);
string fname = null;
List <string> vlangfiles = qnotefiles.Where(s => isSupportedLanguage(getFileLang(s))).Select(s => s).ToList();
// ---------------------File Finding
if (qnotefiles.Count == 0)
{// no qnote file
Instruction i = overseer.onFileNotExist();
if (i == Instruction.RESTART)
{
return(Delegated_GetApplicableFileWithFeedback(overseer, absolutePath));
}
else
{
return(null);
}
}
if (vlangfiles.Count == 0)
{ //no qnote file of supported language
Instruction i = overseer.onFileLangInvalid();
// TODO: finish this
}
else if (vlangfiles.Count > 1)
{
KeyValuePair <Instruction, string> i = overseer.onMultipleFileExist(qnotefiles);
switch (i.Key)
{
case Instruction.RESTART:
return(Delegated_GetApplicableFileWithFeedback(overseer, absolutePath));
case Instruction.CHOOSE:
fname = i.Value;
break;
case Instruction.CONTINUE:
fname = qnotefiles[0];
break;
default:
return(null);
}
}
else if (vlangfiles.Count == 1)
{
fname = vlangfiles[0];
}
return(fname);
}
