individual_management.py

# Add individual
def add_individual(data, individual_name, team_name=None):
    if not individual_name:
        return "Individual name cannot be empty!"
    if individual_name in data["individuals"]:
        return f"Individual {individual_name} already exists!"

    if team_name:
        if team_name in data["teams"]:
            # Check if the individual is already in another team
            for other_team, members in data["teams"].items():
                if individual_name in members:
                    return f"Individual {individual_name} is already in Team {other_team}. Remove them first before adding to Team {team_name}."
            data["teams"][team_name].append(individual_name)
            return f"Individual {individual_name} added to Team {team_name} successfully!"
        else:
            return f"Team {team_name} not found!"
    else:
        data["individuals"].append(individual_name)
        return f"Participant {individual_name} added successfully as an individual!"

# Delete individual
def delete_individual(data, individual_name):
    if individual_name in data["individuals"]:
        data["individuals"].remove(individual_name)
        return f"Individual {individual_name} deleted successfully!"
    for team, members in data["teams"].items():
        if individual_name in members:
            members.remove(individual_name)
            return f"Individual {individual_name} removed from Team {team} and deleted successfully!"
    return f"Individual {individual_name} not found!"

# Assign individual to event
def assign_individual_to_event(data, individual_name, event_name):
    if individual_name not in data["individuals"]:
        return f"Individual {individual_name} not found!"
    if event_name not in data["events"]["individual_events"]:
        return f"Individual event {event_name} not found!"

    # Check if the individual is already assigned to another event
    previously_assigned = False
    for existing_event, participants in data["events"]["individual_events"].items():
        if individual_name in participants:
            participants.remove(individual_name)
            previously_assigned = True
            break  # Remove the individual from the previous event

    # Assign the individual to the new event
    data["events"]["individual_events"][event_name].append(individual_name)
    if previously_assigned:
        return f"Individual {individual_name} reassigned to Individual event {event_name} successfully!"
    else:
        return f"Individual {individual_name} assigned to Individual event {event_name} successfully!"

# Utility function for input validation
def is_valid_input(input_str):
    return bool(input_str and input_str.strip())