using System.Text;
using ExamCalendar;

Console.OutputEncoding = Encoding.UTF8;
Console.WriteLine("*** Exam Calendar ***");

const string FileName = "Data/Tests-2AHIF-2122.csv";

Console.WriteLine("List of Exams");
Console.WriteLine("=============");
var examList = CreateListFromCsv(FileName);

Console.WriteLine($"{"Subject",-8} {"Date",-10} Teacher");
for (var i = 0; i < examList.Count; i++)
{
    var exam = examList.GetAt(i);
    if (exam == null)
    {
        continue;
    }
    Console.WriteLine($"{exam.Subject,-8} {exam.Date.ToShortDateString()} {exam.Teacher}");
}
Console.ReadKey();

return;

static ExamList CreateListFromCsv(string fileName)
{
    var testList = new ExamList();
    var lines = File.ReadAllLines(fileName);
    
    // Skip header line
    for (int i = 1; i < lines.Length; i++)
    {
        var columns = lines[i].Split(';');
        var date = DateTime.ParseExact(columns[4], "dd.MM.yy", null);
        var exam = new Exam(columns[2], date, columns[3]);
        testList.Insert(exam);
    }
    
    return testList;
}