<?php
function colorToStr(string $color): string {
    switch ($color) {
        case "":
        case "#f1edeb": return "white";
        case "#ff00ff": return "pink";
        case "#48bd8d": return "green";
        case "#8200ff": return "lila";
        case "#ff6700": return "orange";
        case "#000000": return "black";
    }
}

function bg(string $bgColor, string $gridColor): string {
    if ($gridColor == "") $gridColor = "#8200ff";
    $bg = 'bg-' . colorToStr($bgColor) . '-' . colorToStr($gridColor);
    remember($bg);
    return $bg;
}

function remember(string $value): string {
    static $oldValue = "bg-white-lila";
    
    $copy = $oldValue;
    $oldValue = $value;
    
    return $copy;
}

function randomBg(): string {
    static $colors = ["#f1edeb", "#ff00ff", "#48bd8d", "#8200ff", "#ff6700"];
    $a = array_rand($colors, 2);
    return bg($colors[$a[0]], $colors[$a[1]]);
}

Kirby::plugin('cache/buster', [
    'components' => [
        'css' => function ($kirby, $url, $options) {
            $hash = md5_file($url);
            return "$url?$hash";
        }
    ]
]);