<?php

class AIMaturityScan {
    private $topics = [
        'Responsible AI',
        'AI Trends',
        'AI Strategy',
        'Organization',
        'People',
        'Data',
        'Controls'
    ];
    private $scores = [];

    public function __construct() {
        // Initialize scores to 0
        foreach ($this->topics as $topic) {
            $this->scores[$topic] = 0;
        }
    }

    public function addScore($topic, $score) {
        if (in_array($topic, $this->topics) && is_numeric($score) && $score >= 0 && $score <= 5) {
            $this->scores[$topic] = $score;
        } else {
            throw new Exception("Invalid topic or score");
        }
    }

    public function getScores() {
        return $this->scores;
    }

    public function getTopics() {
        return $this->topics;
    }
}

// Usage example
$scan = new AIMaturityScan();

// Simulate adding scores (you'd get these from your questionnaire)
$scan->addScore('Responsible AI', 4.5);
$scan->addScore('AI Trends', 3.8);
$scan->addScore('AI Strategy', 4.2);
$scan->addScore('Organization', 2.5);
$scan->addScore('People', 3.0);
$scan->addScore('Data', 4.0);
$scan->addScore('Controls', 3.5);

// Get the data for the graph
$graphData = $scan->getScores();

// Output as JSON (which can be used by a JavaScript charting library)
echo json_encode($graphData);