<?php
    /**
     * Profile uploader script.
     *
     * Exposes an API to save a run to the database.
     * Reads post data and calls the upload_profile.py script.
     * It also saves the data to a JSON file in the data directory.
     * Mandatory POST parameters are:
     *  - data: Received JSON file.
     *  - key: User API key.
     *
     * @category API
     */

    global $db;

    try{
        // Check data
        $data = filter_input(INPUT_POST, 'response');
        if ($data == null || $data == false){
            http_response_code(400);
            return 400;
        }

        // Check API key.
        $key = filter_input(INPUT_POST, 'key');
        if ($key == null || $key == false){
            http_response_code(401);
            return 401;
        }

        // Check data format.
        $json = json_decode($data);
        if ($json === null){
            http_response_code(400);
            return 400;
        }

        // Authenticate
        $uid = $json->{"wizard_id"};
        $uname = $json->{"wizard_info"}->{"wizard_name"};
        $s = "SELECT COUNT(uid) AS c FROM player WHERE uid = $uid AND api_key = '$key';";
        if (1 != $db->query($s)->fetchArray(SQLITE3_ASSOC)["c"]){
            http_response_code(401);
            return 401;
        }

        // Write data file
        $dtime = (new DateTime())->format('Y-m-dTH:i:s');
        $fname = ($_SERVER["DOCUMENT_ROOT"] . "/../data/profile_" . $uid . "_" . $uname . "_" . $dtime . ".json");
        try{
            file_put_contents($fname, $data);
        }
        catch(Exception $e) {
            error_log("Unable to write profile data to '$fname': " . $e->getMessage());
            http_response_code(500);
            return 500;
        }

        // Run profile parser script
        $cmd = __DIR__ . "/bin/upload_profile.py " . $key . " " . $fname;
        $out = [];
        $ret = 0;
        try{
error_log ($cmd);
            exec($cmd, $out, $ret);
        }
        catch(Exception $e) {
            error_log("Error running profile script '$cmd': " . $e->getMessage());
            http_response_code(500);
            return 500;
        }

        if ($ret != 204){
            try{
                http_response_code($ret);
                return $ret;
            }
            catch(Exception $e) {
                error_log("Profile script '$cmd' returned an unexpected value $ret: " . $e->getMessage());
                http_response_code(500);
                return 500;
            }
        }

        // At this point, status code should be 200
        http_response_code($ret);
        return $ret;
    }
    catch(Exception $e) {
        error_log("Unknown error parsing profile: " . $e->getMessage());
        http_response_code(500);
        return 500;
    }
?>