app.py

from db import TodoDatabase

class TodoApp:
    def __init__(self):
        self.db = TodoDatabase()
    
    def display_todos(self):
        todos = self.db.get_all()
        if not todos:
            print("\n📝 No todos yet!\n")
            return
        
        print("\n" + "="*50)
        print("📋 YOUR TODOS")
        print("="*50)
        for todo in todos:
            todo_id, title, is_completed = todo
            status = "✓" if is_completed else "○"
            print(f"{status} [{todo_id}] {title}")
        print("="*50 + "\n")
    
    def add_todo(self):
        title = input("Enter todo title: ").strip()
        if title:
            self.db.add_todo(title)
            print(f"✓ Todo added!\n")
        else:
            print("❌ Title cannot be empty!\n")
    
    def complete_todo(self):
        self.display_todos()
        try:
            todo_id = int(input("Enter todo ID to mark complete: "))
            self.db.update_todo(todo_id, is_completed=1)
            print("✓ Todo marked complete!\n")
        except ValueError:
            print("❌ Invalid ID!\n")
    
    def delete_todo(self):
        self.display_todos()
        try:
            todo_id = int(input("Enter todo ID to delete: "))
            self.db.delete_todo(todo_id)
            print("✓ Todo deleted!\n")
        except ValueError:
            print("❌ Invalid ID!\n")
    
    def show_menu(self):
        print("\n" + "="*50)
        print("📌 TODO MANAGER")
        print("="*50)
        print("1. View todos")
        print("2. Add todo")
        print("3. Mark as complete")
        print("4. Delete todo")
        print("5. Exit")
        print("="*50)
    
    def run(self):
        while True:
            self.show_menu()
            choice = input("Choose an option (1-5): ").strip()
            
            if choice == '1':
                self.display_todos()
            elif choice == '2':
                self.add_todo()
            elif choice == '3':
                self.complete_todo()
            elif choice == '4':
                self.delete_todo()
            elif choice == '5':
                print("\n👋 Goodbye!\n")
                self.db.close()
                break
            else:
                print("❌ Invalid choice! Try again.\n")

if __name__ == "__main__":
    app = TodoApp()
    app.run()