"""
Database initialization script for Attendr
Creates tables and seeds sample data
"""

from app import app, db
from models import Student, Classroom, AttendanceSession, AttendanceRecord
from datetime import datetime

def init_database():
    """Initialize database with tables and sample data"""
    
    with app.app_context():
        # Drop all tables (use with caution in production!)
        print("Dropping existing tables...")
        db.drop_all()
        
        # Create all tables
        print("Creating tables...")
        db.create_all()
        
        # Seed sample classrooms (UTM locations)
        print("Seeding sample classrooms...")
        
        classrooms = [
            Classroom(
                name="N28-01-01",
                building="N28 (Faculty of Computing)",
                latitude=1.5586,  # UTM Skudai approximate coordinates
                longitude=103.6376,
                radius_meters=50
            ),
            Classroom(
                name="N28-02-03",
                building="N28 (Faculty of Computing)",
                latitude=1.5588,
                longitude=103.6378,
                radius_meters=50
            ),
            Classroom(
                name="V01-LT1",
                building="V01 (Lecture Hall)",
                latitude=1.5590,
                longitude=103.6380,
                radius_meters=75
            ),
            Classroom(
                name="C22-Lab A",
                building="C22 (Computer Lab)",
                latitude=1.5584,
                longitude=103.6374,
                radius_meters=40
            )
        ]
        
        for classroom in classrooms:
            db.session.add(classroom)
        
        db.session.commit()
        print(f"[OK] Created {len(classrooms)} classrooms")
        
        # Create a sample student for testing (without face encoding)
        print("Creating sample student...")
        sample_student = Student(
            student_id="A20EC0001",
            name="Test Student",
            email="test@graduate.utm.my",
            is_active=True
        )
        db.session.add(sample_student)
        db.session.commit()
        print("[OK] Created sample student (face registration required)")
        
        print("\n" + "="*50)
        print("Database initialization complete!")
        print("="*50)
        print("\nSample Classrooms:")
        for classroom in classrooms:
            print(f"  - {classroom.name} ({classroom.building})")
        print(f"\nSample Student: {sample_student.student_id} - {sample_student.name}")
        print("\nNext steps:")
        print("1. Run the Flask app: python app.py")
        print("2. Register student faces at: http://localhost:5000/register")
        print("3. Create attendance session at: http://localhost:5000/lecturer")
        print("4. Mark attendance at: http://localhost:5000/student")
        print("="*50)

if __name__ == '__main__':
    init_database()