<?php

/* This Source Code Form is subject to the terms of the Mozilla Public
 * License, v. 2.0. If a copy of the MPL was not distributed with this
 * file, You can obtain one at http://mozilla.org/MPL/2.0/. */

/**
 * This file contains global settings and utility functions.
 */
ob_start(); // allow sending headers after content
// Settings file
require __DIR__ . '/settings.php';

// Unicode, solves almost all stupid encoding problems
header('Content-Type: application/json; charset=utf-8');

//
// Composer
require __DIR__ . '/vendor/autoload.php';

date_default_timezone_set($SETTINGS['timezone']);

function sendError($msg) {
    header('HTTP/1.1 500 Internal Server Error');
    exit(json_encode(["status" => "ERROR", "message" => $msg]));
}

// Database settings
// Also inits database and stuff
use Medoo\Medoo;

$database;
try {
    $database = new Medoo([
        'database_type' => $SETTINGS['database']['type'],
        'database_name' => $SETTINGS['database']['name'],
        'server' => $SETTINGS['database']['server'],
        'username' => $SETTINGS['database']['user'],
        'password' => $SETTINGS['database']['password'],
        'charset' => $SETTINGS['database']['charset']
    ]);
} catch (Exception $ex) {
    sendError("Database error.  Try again later.  $ex");
}


if (!$SETTINGS['debug']) {
    error_reporting(0);
} else {
    error_reporting(E_ALL);
    ini_set('display_errors', 'On');
}


$VARS;
if ($_SERVER['REQUEST_METHOD'] === 'POST') {
    $VARS = $_POST;
    define("GET", false);
} else {
    $VARS = $_GET;
    define("GET", true);
}


/**
 * Check if the previous database action had a problem.
 * @param array $specials int=>string array with special response messages for SQL errors
 */
function checkDBError($specials = []) {
    global $database;
    $errors = $database->error();
    if (!is_null($errors[1])) {
        foreach ($specials as $code => $text) {
            if ($errors[1] == $code) {
                sendError($text);
            }
        }
        sendError("A database error occurred: " . $errors[2]);
    }
}