<?php
    include('../../safePHP/hc_metrics_db_connect.php');

    if (isset($_POST))
    {
        // Takes raw data from the request
        $json = file_get_contents('php://input');

        // Converts it into a PHP object
        $data = json_decode($json);
        $id_install = $data->id_install;
        $ge_seconds = $data->ge_seconds;
        $ge_gametime_seconds = $data->ge_gametime_seconds;
        $ipv4 = $_SERVER["REMOTE_ADDR"];
        if ($data)
        {
            // Add extra fields
            $id = guidv4();
            
            // ALE 20200109 write to the DB
            // Create connection
            $conn = new mysqli(DB_HOST, DB_USER, DB_PASSWORD, DB_NAME);
     
            // Check connection
            if ($conn->connect_error) {
                die("Connection failed: " . $conn->connect_error);
            }
    
            // prepare and bind
            $stmt = $conn->prepare("INSERT INTO metrics_raw (id, id_install, ge_seconds, ge_gametime_seconds, ipv4, dt_create) VALUES (?, ?, ?, ?, ?, utc_timestamp())");
            $stmt->bind_param('sssss', $id, $id_install, $ge_seconds, $ge_gametime_seconds, $ipv4);
    
            if (!$stmt->execute())
            {
                echo $mysqli->error;
            }
            $stmt->close();
            $conn->close();
            /*
            {
                "status": "success",
                "id": "<UUID here>"
            }
            */
            // ALE 20200109 send back success
            echo '{"status": "success", "id": "' . $id . '"}';
            //echo "\n" . $id . "\n" . $id_install . "\n" . $ge_seconds . "\n" . $ge_gametime_seconds . "\n" . $ipv4 . "\n" . $dt_create . "\njson=" .
               $json . "\ndone.";
            //var_dump($_SERVER["REMOTE_ADDR"]);
            http_response_code(201);
        }
        else
        {
            /*
            {
                "status": "fail",
                "data": { "format": "failure decoding json" }
            }
            {
              "error": {
                "code": "500",
                "message": "Unsupported functionality",
              }
            }
            */
            // ALE 20200109 send back failure
            echo '{"status": "fail", "data": {"format": "failure decoding json"}}';
            //echo '{failure decoding json}';
            http_response_code(500);
        }
    }
    else
    {
        /*
        {
            "status": "error",
            "message": "Unsupported functionality"
        }
        {
          "error": {
            "code": "500",
            "message": "Unsupported functionality",
          }
        }
        */
        // ALE 20200109 send back failure
        echo '{"status": "error", "message": "submitted data does not fit"}';
        //echo '{failure}';
        http_response_code(500);
    }
    
    function guidv4()
    {
        $data = openssl_random_pseudo_bytes(16);
        //assert(strlen($data) == 16);

        $data[6] = chr(ord($data[6]) & 0x0f | 0x40); // set version to 0100
        $data[8] = chr(ord($data[8]) & 0x3f | 0x80); // set bits 6-7 to 10

        return vsprintf('%s%s-%s-%s-%s-%s%s%s', str_split(bin2hex($data), 4));
    }

?>