# Pseudo Code for Automated Timetable Generation

## Step 1: Database Connection

- Establish a connection to the database.

## Step 2: Section Selection Form

- Display a form to select the section (Primary or Secondary).

## Step 3: Fetch Data from Database

- Retrieve classes, subjects, teachers, and teacher schedules from the database based on the selected section.

## Step 4: Timetable Generation Logic

- **Initialize Data Structures:**
  - Initialize an empty array `timetable` to store the generated timetable.
  - Initialize an array `teacher_availability` to keep track of teacher schedules.

- **Iterate through each class:**
  - For each class, retrieve the subjects for the class.
  - For each subject, retrieve the list of teachers available for the subject.

  - **Check Teacher Availability:**
    - For each teacher, check the `teacher_schedules` table to get the days and times they are available.
    - Store this information in the `teacher_availability` array.

  - **Assign Time Slots:**
    - For each subject in the class, assign time slots by checking the availability of teachers.
    - Ensure that the same teacher is not assigned to multiple classes at the same time.
    - Ensure that teachers with limited availability are scheduled accordingly.

  - **Handle Special Cases:**
    - Ensure elective subjects are assigned to specific time slots.
    - Allocate special classrooms or resources if required for certain subjects.

- **Populate the Timetable Array:**
  - Fill in the `timetable` array with the assigned subjects, teachers, and time slots for each class.

## Step 5: Display the Generated Timetable

- **Review and Adjustments:**
  - Display the generated timetable in a tabular format for review.
  - Allow the admin to manually override and adjust the timetable if necessary.

## Step 6: Save the Timetable

- Save the generated timetable to the database.

## Step 7: Send Notifications

- Send notifications to students, teachers, and parents about the new timetable.

## Sample Code Structure (PHP)

```php
<?php
// Step 1: Database Connection
require 'db_connection.php';

// Step 2: Section Selection Form
$section = $_POST['section']; // Assuming form submission

// Step 3: Fetch Data from Database
$classes = getClassesBySection($section);
$subjects = getAllSubjects();
$teachers = getAllTeachers();
$teacher_schedules = getAllTeacherSchedules();

// Step 4: Timetable Generation Logic
$timetable = [];
$teacher_availability = [];

foreach ($classes as $class) {
    $class_id = $class['class_id'];
    $class_subjects = getClassSubjects($class_id);
    
    foreach ($class_subjects as $subject) {
        $subject_id = $subject['subject_id'];
        $available_teachers = getTeachersForSubject($subject_id);
        
        foreach ($available_teachers as $teacher) {
            $teacher_id = $teacher['teacher_id'];
            $schedule = getTeacherSchedule($teacher_id);
            $teacher_availability[$teacher_id] = $schedule;
        }
        
        foreach ($teacher_availability as $teacher_id => $schedule) {
            foreach ($schedule as $day => $times) {
                foreach ($times as $time) {
                    if (!isTeacherAssigned($teacher_id, $day, $time)) {
                        $timetable[$class_id][$day][$time] = [
                            'subject_id' => $subject_id,
                            'teacher_id' => $teacher_id
                        ];
                        markTeacherAssigned($teacher_id, $day, $time);
                        break 2; // Break out of inner loops once a time slot is assigned
                    }
                }
            }
        }
    }
}

// Step 5: Display the Generated Timetable
displayTimetable($timetable);

// Step 6: Save the Timetable
saveTimetableToDatabase($timetable);

// Step 7: Send Notifications
sendTimetableNotifications($timetable);

// Helper functions (placeholders)
function getClassesBySection($section) { /* ... */ }
function getAllSubjects() { /* ... */ }
function getAllTeachers() { /* ... */ }
function getAllTeacherSchedules() { /* ... */ }
function getClassSubjects($class_id) { /* ... */ }
function getTeachersForSubject($subject_id) { /* ... */ }
function getTeacherSchedule($teacher_id) { /* ... */ }
function isTeacherAssigned($teacher_id, $day, $time) { /* ... */ }
function markTeacherAssigned($teacher_id, $day, $time) { /* ... */ }
function displayTimetable($timetable) { /* ... */ }
function saveTimetableToDatabase($timetable) { /* ... */ }
function sendTimetableNotifications($timetable) { /* ... */ }
?>
