<?php

declare(strict_types=1);

namespace LIT\MCP\Tests\Unit\Integrations\SuperCache;

use Brain\Monkey\Functions;
use LIT\MCP\Compatibility\Call;
use LIT\MCP\Compatibility\Compatibility;
use LIT\MCP\Compatibility\Tier;
use LIT\MCP\Integrations\Divi\Release\DiviProfile;
use LIT\MCP\Integrations\Pods\PodsCompatibility;
use LIT\MCP\Integrations\SuperCache\SuperCacheCompatibility;
use LIT\MCP\Integrations\SuperCache\SuperCacheFeature;
use LIT\MCP\Tests\Unit\TestCase;

final class SuperCacheCompatibilityTest extends TestCase
{
    public function testDescribesSuperCacheAsALockOnFailurePlugin(): void
    {
        $profile = SuperCacheCompatibility::profile();

        self::assertSame('wpsc', $profile->id);
        self::assertSame('WP Super Cache', $profile->label);
        self::assertSame(Tier::LockOnFailure, $profile->tier);
        self::assertSame(['3.1.5'], $profile->testedVersions);
        self::assertNull($profile->minVersion);
        self::assertSame(SuperCacheFeature::cases(), $profile->capabilities);
    }

    /** Argument counts are those the listener passes; wp_cache_clear_cache($blog_id = 0) gets the blog. */
    public function testTheManifestHoldsTheTwoPurgeFunctionsWithTheirArgumentCounts(): void
    {
        $manifest = SuperCacheCompatibility::profile()->manifests[0];
        $calls = [];
        foreach ($manifest->calls as $call) {
            $calls[$call->symbol] = [$call->args, $call->features()];
        }

        self::assertSame([
            'wp_cache_post_edit' => [1, [SuperCacheFeature::PurgePost]],
            'wp_cache_clear_cache' => [1, [SuperCacheFeature::PurgeAll]],
        ], $calls);
        self::assertContainsOnlyInstancesOf(Call::class, $manifest->calls);
    }

    /** Both purge functions read $cache_path; wp_cache_post_edit also $blog_cache_dir. */
    public function testTheGlobalsTheFunctionsReadAreRequired(): void
    {
        $manifest = SuperCacheCompatibility::profile()->manifests[0];

        self::assertSame(['WPCACHEHOME'], array_map(static fn ($c) => $c->name, $manifest->constants));
        $globals = [];
        foreach ($manifest->globals as $global) {
            $globals[$global->name] = $global->features();
        }
        self::assertSame(
            ['cache_path' => SuperCacheFeature::cases(), 'blog_cache_dir' => [SuperCacheFeature::PurgePost]],
            $globals
        );
    }

    /**
     * @runInSeparateProcess
     * @preserveGlobalState disabled
     */
    public function testActiveAndVersionFollowTheCacheHomeConstantAndThePluginHeader(): void
    {
        $profile = SuperCacheCompatibility::profile();
        self::assertFalse(($profile->active)());
        self::assertNull(($profile->version)());

        define('WPCACHEHOME', '/plugins/wp-super-cache/');
        Functions\expect('get_file_data')
            ->once()
            ->with('/plugins/wp-super-cache/wp-cache.php', ['Version' => 'Version'])
            ->andReturn(['Version' => '3.1.5']);

        self::assertTrue(($profile->active)());
        self::assertSame('3.1.5', ($profile->version)());
    }

    /**
     * @runInSeparateProcess
     * @preserveGlobalState disabled
     */
    public function testAnUnreadableHeaderIsAnUnknownVersion(): void
    {
        define('WPCACHEHOME', '/plugins/wp-super-cache/');
        Functions\when('get_file_data')->justReturn(['Version' => '']);

        self::assertNull((SuperCacheCompatibility::profile()->version)());
    }

    public function testAllProfilesCoexistWithoutIdCollision(): void
    {
        $compatibility = new Compatibility(
            [DiviProfile::profile(), PodsCompatibility::profile(), SuperCacheCompatibility::profile()]
        );

        self::assertSame(['divi', 'pods', 'wpsc'], array_map(static fn ($p) => $p->id, $compatibility->profiles()));
        self::assertSame(SuperCacheFeature::PurgeAll, $compatibility->capability('wpsc-purge-all'));
    }
}