<?php

class openaiHelper {

    protected $openai_key = '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';

    public function transcriptions($file, $model = 'whisper-1') {
        try {
            // $fileaux  = new CurlFile('@"/home/leonardo/Downloads/testeaudio.mpga"', 'audio/mpeg', 'testeaudio.mpga');
            $curl = curl_init();
            $url = "https://api.openai.com/v1/audio/transcriptions";
            curl_setopt_array($curl, array(
                CURLOPT_URL => $url,
                CURLOPT_RETURNTRANSFER => true,
                CURLOPT_POST => true,
                CURLOPT_HEADER => false,
                CURLOPT_CUSTOMREQUEST => 'POST',
                CURLOPT_SAFE_UPLOAD => true,
                CURLOPT_HTTPHEADER => array(
                    "Content-Type: multipart/form-data",
                    "authorization: Bearer ".$this->openai_key), 
                CURLOPT_POSTFIELDS => array(
                    "model" => "whisper-1",
                    "file" => new CurlFile($file))
            ));
            $response = curl_exec($curl);
            curl_close($curl);
            $response = json_decode($response);
            if(isset($response->error))
            {
                $return = array('error' => true, 'data' => $response);
            } else {
                $return = array('error' => false, 'data' =>  $response);    
            }
            
        } 
        catch (Exception $e) {
            $return = array('error' => true, 'data' =>  $e);   
        }
        return $return;
    }


    public function completions($prompt, $model = 'text-davinci-003') {
        try {
            $curl = curl_init();
            $post_data = '{
                "model": "'.$model.'",
                "prompt": "'.$prompt.'",
                "temperature": 0,
                "max_tokens": 600,
                "top_p": 0,
                "frequency_penalty": 0,
                "presence_penalty": 0
            }';
            
            $url = "https://api.openai.com/v1/completions";
            curl_setopt_array($curl, array(
                CURLOPT_URL => $url,
                CURLOPT_RETURNTRANSFER => true,
                CURLOPT_ENCODING => '',
                CURLOPT_MAXREDIRS => 10,
                CURLOPT_TIMEOUT => 0,
                CURLOPT_FOLLOWLOCATION => true, 
                CURLOPT_HTTP_VERSION => CURL_HTTP_VERSION_1_1,
                CURLOPT_CUSTOMREQUEST => 'POST',
                CURLOPT_POSTFIELDS => $post_data,
                CURLOPT_HTTPHEADER => array(
                    'Content-Type: application/json',
                    'authorization: Bearer '.$this->openai_key
                ),
            ));

            $response = curl_exec($curl);
            curl_close($curl);
        
            
            $response = json_decode($response);
            if(isset($response->error))
            {
                $return = array('error' => true, 'data' => $response);
            } else {
                $return = array('error' => false, 'data' =>  $response);    
            }
            
        } 
        catch (Exception $e) {
            $return = array('error' => true, 'data' =>  $e);   
        }
        return $return;
    }


    public function chatCompletions($messages, $model = 'gpt-3.5-turbo') {
        try {
            $curl = curl_init();
            $post_data = '{
                "model": "'.$model.'",
                "messages": '.$messages.'}';
            $url = "https://api.openai.com/v1/chat/completions";
            curl_setopt_array($curl, array(
                CURLOPT_URL => $url,
                CURLOPT_RETURNTRANSFER => true,
                CURLOPT_ENCODING => '',
                CURLOPT_MAXREDIRS => 10,
                CURLOPT_TIMEOUT => 0,
                CURLOPT_FOLLOWLOCATION => true,
                CURLOPT_HTTP_VERSION => CURL_HTTP_VERSION_1_1,
                CURLOPT_CUSTOMREQUEST => 'POST',
                CURLOPT_POSTFIELDS => $post_data,
                CURLOPT_HTTPHEADER => array(
                    'Content-Type: application/json',
                    'authorization: Bearer '.$this->openai_key
                ),
            ));

            $response = curl_exec($curl);
            curl_close($curl);
        
            
            $response = json_decode($response);
            if(isset($response->error))
            {
                $return = array('error' => true, 'data' => $response);
            } else {
                $return = array('error' => false, 'data' =>  $response);    
            }
            
        } 
        catch (Exception $e) {
            $return = array('error' => true, 'data' =>  $e);   
        }
        return $return;
    }
}