<?php

function callGeminiApi($prompt, $apiKey) {
    $url = 'https://generativelanguage.googleapis.com/v1beta/models/gemini-pro:generateContent?key=' . $apiKey;

    $data = [
        'contents' => [
            [
                'parts' => [
                    [
                        'text' => $prompt
                    ]
                ]
            ]
        ]
    ];

    $json_data = json_encode($data);

    $ch = curl_init();

    curl_setopt($ch, CURLOPT_URL, $url);
    curl_setopt($ch, CURLOPT_POST, true);
    curl_setopt($ch, CURLOPT_POSTFIELDS, $json_data);
    curl_setopt($ch, CURLOPT_RETURNTRANSFER, true);
    curl_setopt($ch, CURLOPT_HTTPHEADER, [
        'Content-Type: application/json',
    ]);

    $response = curl_exec($ch);
    $http_code = curl_getinfo($ch, CURLINFO_HTTP_CODE);
    $curl_error = curl_error($ch);
    curl_close($ch);

    if ($curl_error) {
        return ['error' => 'cURL Error: ' . $curl_error];
    }

    if ($http_code !== 200) {
        return ['error' => 'API responded with HTTP code ' . $http_code, 'response' => json_decode($response, true)];
    }

    $result = json_decode($response, true);

    if (isset($result['candidates'][0]['content']['parts'][0]['text'])) {
        return ['success' => true, 'html' => $result['candidates'][0]['content']['parts'][0]['text']];
    } else {
        return ['error' => 'Could not extract content from API response.', 'response' => $result];
    }
}