<?php

declare(strict_types=1);

/*
 * The MIT License (MIT)
 *
 * Copyright (c) 2013 Jonathan Vollebregt (jnvsor@gmail.com), Rokas Šleinius (raveren@gmail.com)
 *
 * Permission is hereby granted, free of charge, to any person obtaining a copy of
 * this software and associated documentation files (the "Software"), to deal in
 * the Software without restriction, including without limitation the rights to
 * use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of
 * the Software, and to permit persons to whom the Software is furnished to do so,
 * subject to the following conditions:
 *
 * The above copyright notice and this permission notice shall be included in all
 * copies or substantial portions of the Software.
 *
 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS
 * FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR
 * COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER
 * IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
 * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
 */

namespace Kint\Parser;

use BackedEnum;
use Kint\Zval\EnumValue;
use Kint\Zval\Representation\Representation;
use Kint\Zval\Value;
use UnitEnum;

class EnumPlugin extends AbstractPlugin
{
    private static $cache = [];

    public function getTypes(): array
    {
        return ['object'];
    }

    public function getTriggers(): int
    {
        if (!KINT_PHP81) {
            return Parser::TRIGGER_NONE;
        }

        return Parser::TRIGGER_SUCCESS;
    }

    public function parse(&$var, Value &$o, int $trigger): void
    {
        if (!$var instanceof UnitEnum) {
            return;
        }

        $class = \get_class($var);

        if (!isset(self::$cache[$class])) {
            $cases = new Representation('Enum values', 'enum');
            $cases->contents = [];

            foreach ($var->cases() as $case) {
                $base_obj = Value::blank($class.'::'.$case->name, '\\'.$class.'::'.$case->name);
                $base_obj->depth = $o->depth + 1;

                if ($var instanceof BackedEnum) {
                    $c = $case->value;
                    $cases->contents[] = $this->parser->parse($c, $base_obj);
                } else {
                    $cases->contents[] = $base_obj;
                }
            }

            self::$cache[$class] = $cases;
        }

        $object = new EnumValue($var);
        $object->transplant($o);

        $object->addRepresentation(self::$cache[$class], 0);

        $o = $object;
    }
}
