[feat:] initial course calculation method (!)

crafter.cs

@@ -10,11 +10,225 @@ public class CourseCrafter
     {
         public Sport Sport = null!;
         public int Remaining;
-        public List<Student> Students = new();
+        public List<string> Students = new();
     }
     public static List<(int Semester, CourseInstance Instance)> GeneratedCourses 
         = new();
+
     public static void Craft()
+    {
+        GeneratedCourses = new();
+        int globalCount = 0;
+        List<(Sport, List<string>)> initial_sportlist = new();
+        List<string>[] students_in_semester = new List<string>[4] { new(), new(), new(), new() };
+        foreach (var sp in Settings.Instance.Sports)
+        {
+            initial_sportlist.Add((sp, new()));
+        }
+
+        foreach (Student s in Settings.Instance.Students)
+        {
+            foreach (var sp in s.SelectedCourseNames)
+            {
+                foreach (var item in initial_sportlist)
+                {
+                    if (item.Item1.AlternativeNames.Contains(sp))
+                    {
+                        item.Item2.Add(s.ID);
+                        break;
+                    }
+                }
+            }
+        }
+
+        while (!requestExit())
+        {
+            Console.WriteLine($"Calculating... ({globalCount})");
+            foreach (var item in initial_sportlist)
+            {
+                if (item.Item2.Count >= item.Item1.MinStudents)
+                {
+                    int semester = getSemesterForSport(item.Item1);
+                    if (semester <= 0) goto semeq0;
+                    var inst = new CourseInstance();
+                    inst.Sport = item.Item1;
+                    inst.Students = new List<string>();
+                    // int dist = 1;
+                    for (int i = item.Item2.Count - 1; i >= 0; i--)
+                    {
+                        if (inst.Students.Count >= inst.Sport.MaxStudents)
+                            break;
+
+                        string stud = item.Item2[i];
+
+                        if (!students_in_semester[semester - 1].Contains(stud))
+                        {
+                            inst.Students.Add(stud);
+                            students_in_semester[semester - 1].Add(stud);
+                            item.Item2.RemoveAt(i);
+                        }
+                    }
+                    if (inst.Students.Count < inst.Sport.MinStudents)
+                    {
+                        // Rückgängig machen
+                        foreach (var s in inst.Students)
+                        {
+                            students_in_semester[semester-1].Remove(s);
+                            item.Item2.Add(s);
+                        }
+                        continue; // Kurs nicht erstellen
+                    }
+                    GeneratedCourses.Add((semester, inst));
+                    
+                    MainWindow.Instance.TbResultLog.Text += ($"{semester} -> {inst.Students.Count}\n");
+                    MainWindow.Instance.TbResultLog.Text += ($"{students_in_semester[0].Count} - {students_in_semester[1].Count} - {students_in_semester[2].Count} - {students_in_semester[3].Count}\n\n");
+                }
+
+                semeq0: ;
+            }
+            
+            // foreach (var item in initial_sportlist)
+            // {
+            //     Console.WriteLine($"{item.Item1.Name}: {item.Item2.Count}x gewählt");
+            // }
+            
+        }
+        
+        // Kurse auffüllen (mit restl. Leuten)
+        foreach (var item in initial_sportlist)
+        {
+            if (item.Item2.Count > 0)
+            {
+                foreach (var ci in GeneratedCourses)
+                {
+                    
+                    if (item.Item1.ID == ci.Instance.Sport.ID)
+                    {
+                        int semester = ci.Semester;
+                        List<string> added = new();
+                        foreach (string stud in item.Item2)
+                        {
+                            if (ci.Instance.Students.Count >= ci.Instance.Sport.MaxStudents) break;
+                            if (!students_in_semester[semester-1].Contains(stud))
+                            {
+                                ci.Instance.Students.Add(stud);
+                                students_in_semester[semester-1].Add(stud);
+                                //ci.Instance.Students.Add(stud);
+                                added.Add(stud);
+                            }
+                        }
+
+                        // Hinzugefügte aus Initialkurs entfernen
+                        foreach (string s in added)
+                        {
+                            item.Item2.Remove(s);    
+                        }
+                    }
+                    MainWindow.Instance.TbResultLog.Text += ($"{ci.Semester} -> {ci.Instance.Students.Count}\n");
+                    MainWindow.Instance.TbResultLog.Text += ($"{students_in_semester[0].Count} - {students_in_semester[1].Count} - {students_in_semester[2].Count} - {students_in_semester[3].Count}\n\n");
+                }
+            }
+            
+        }
+
+        int getSemester()
+        {
+            //int sem = 0;
+            if (GeneratedCourses.Count == 0) return 1; // zunächst im ersten Semester beginnen
+            int[] semcount = new int[4] {0,0,0,0}; // Anzahl der generierten Kurse im jeweiligen Semester
+            foreach (var inst in GeneratedCourses) 
+            {
+                semcount[inst.Semester - 1]++; // ...füllen
+            }
+
+            for (int i = 0; i<semcount.Length; i++) // durchlaufen und prüfen
+            {
+                if (semcount[i] < Settings.Instance.NumCoursesPerSemester)
+                {
+                    return i+1; // Semester zurückgeben, wenn genug da sind
+                }
+            }
+            return 0;
+        }
+
+        bool isStudentFree(int semester, string studentID)
+        {
+            foreach (var inst in GeneratedCourses)
+            {
+                if (semester != inst.Semester) continue;
+                foreach (string stud in inst.Instance.Students)
+                {
+                    if (stud == studentID) return false; // Schüler in genanntem Semester bereits gefunden
+                }
+            }
+
+            // Schüler nicht gefunden:
+            return true;
+        }
+
+        
+        bool requestExit()
+        {
+            globalCount++;
+            // max Kursanzahl
+            if (GeneratedCourses.Count >= Settings.Instance.NumCoursesPerSemester * 4) return true;
+            
+            // // max Anzahl in allen Semestern
+            // foreach(int sem in new[]{1,2,3,4})
+            // {
+            //     int count = 0;
+            //     foreach (var inst in GeneratedCourses)
+            //     {
+            //         if (inst.Semester == sem) count++;
+            //     }
+            //
+            //     if (sem >= Settings.Instance.NumCoursesPerSemester);
+            // }
+
+            int low = 0;
+            foreach (var item in initial_sportlist)
+            {
+                if (item.Item2.Count < item.Item1.MinStudents) low++;
+            }
+
+            if (low >= initial_sportlist.Count) return true;
+
+            if (globalCount >= 12) return true;
+            return false;
+        }
+
+        foreach (var tuple in initial_sportlist)
+        {
+            MainWindow.Instance.TbResultTextout.Text += $"{tuple.Item1}: {tuple.Item2.Count} remaining\n";
+        }
+        
+        int getSemesterForSport(Sport sp)
+        {
+            int[] semcount = new int[4] {0,0,0,0};
+
+            foreach (var inst in GeneratedCourses) 
+            {
+                semcount[inst.Semester - 1]++;
+            }
+
+            for (int i = 0; i < 4; i++)
+            {
+                // 1. Ist der Sport in diesem Semester erlaubt?
+                if (sp.Semester[i] == 0) continue;
+
+                // 2. Ist noch Platz für Kurse?
+                if (semcount[i] < Settings.Instance.NumCoursesPerSemester)
+                {
+                    return i + 1;
+                }
+            }
+
+            return 0;
+        }
+
+        
+    }
+    public static void CraftOld()
     {
         GeneratedCourses = new();
 
@@ -101,7 +315,7 @@ public class CourseCrafter
                         if (st.Result![sem] != "Fehler")
                             continue;
 
-                        inst.Students.Add(st);
+                        //inst.Students.Add(st);
                         inst.Remaining--;
                         st.Result[sem] = sp.Name;
                         filled++;
@@ -110,8 +324,8 @@ public class CourseCrafter
                     // Falls Mindestanzahl nicht erreicht → Instanz verwerfen
                     if (inst.Students.Count < sp.MinStudents)
                     {
-                        foreach (var st in inst.Students)
+                        //foreach (var st in inst.Students)
-                            st.Result[sem] = "Fehler";
+                            //st.Result[sem] = "Fehler";
 
                         GeneratedCourses.Remove((sem, inst));
                         remainingSemesterSlots++;
@@ -121,8 +335,21 @@ public class CourseCrafter
             }
         }
     }
-    
+
     public static string GenerateStatistics()
+    {
+        string sb = $"Generierte Kurse: {GeneratedCourses.Count}\n\n";
+        foreach (var genc in GeneratedCourses)
+        {
+            sb += $"Sem. {genc.Semester}: {genc.Instance.Sport.Name} ({genc.Instance.Students.Count} SuS)\n";
+        }
+        
+        
+
+        return sb;
+    }
+    
+    public static string GenerateStatisticsOld()
     {
         var settings = Settings.Instance;
         var students = settings.Students;