<?php

declare(strict_types=1);

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

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\Pods\PodsFeature;
use LIT\MCP\Tests\Unit\TestCase;

final class PodsCompatibilityTest extends TestCase
{
    /** @return array<string, Call> symbol => call */
    private function calls(): array
    {
        $calls = [];
        foreach (PodsCompatibility::profile()->manifests as $manifest) {
            foreach ($manifest->calls as $call) {
                $calls[$call->symbol] = $call;
            }
        }

        return $calls;
    }

    public function testDescribesPodsAsALockOnFailurePlugin(): void
    {
        $profile = PodsCompatibility::profile();

        self::assertSame('pods', $profile->id);
        self::assertSame('Pods', $profile->label);
        self::assertSame(Tier::LockOnFailure, $profile->tier);
        self::assertSame('2.8', $profile->minVersion);
        self::assertSame(['3.3.9.2'], $profile->testedVersions);
        self::assertSame(PodsFeature::cases(), $profile->capabilities);
    }

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

        define('PODS_VERSION', '3.3.9.2');

        self::assertTrue(($profile->active)());
        self::assertSame('3.3.9.2', ($profile->version)());
    }

    public function testEveryPodsCallOfTheFieldSourceIsInTheManifest(): void
    {
        $code = '';
        foreach (token_get_all((string) file_get_contents(dirname(__DIR__, 3) . '/../src/Integrations/Pods/PodsFieldSource.php')) as $token) {
            if (is_array($token) && ! in_array($token[0], [T_COMMENT, T_DOC_COMMENT], true)) {
                $code .= $token[1];
            } elseif (is_string($token)) {
                $code .= $token;
            }
        }
        preg_match_all('/\b(pods(?:_[a-z_]+)?)\(/', $code, $found);
        $used = array_values(array_unique(array_diff($found[1], ['pods_permission_denied'])));

        self::assertContains('pods_api', $used);
        foreach ($used as $function) {
            self::assertArrayHasKey($function, $this->calls(), $function . ' is missing in the manifest');
        }
        foreach (['PodsAPI::load_pod', 'Pods::field', 'Pods::save'] as $method) {
            self::assertArrayHasKey($method, $this->calls());
        }
    }

    public function testArgumentCountsAreThoseOfTheFieldSource(): void
    {
        $args = array_map(static fn (Call $call): ?int => $call->args, $this->calls());

        self::assertSame([
            'pods_api' => 0,
            'PodsAPI::load_pod' => 1,
            'pods' => 2,
            'Pods::field' => 1,
            'Pods::save' => 4,
            'pods_has_permissions' => 1,
            'pods_permission' => 1,
        ], $args);
    }

    public function testEveryCapabilityHasACallOrTheConstant(): void
    {
        $manifest = PodsCompatibility::profile()->manifests[0];
        $constantIds = array_map(static fn ($c) => array_map(static fn ($f) => $f->id(), $c->features()), $manifest->constants);

        self::assertSame(['PODS_VERSION'], array_map(static fn ($c) => $c->name, $manifest->constants));
        self::assertEqualsCanonicalizing(
            array_map(static fn (PodsFeature $f): string => $f->id(), PodsFeature::cases()),
            $constantIds[0]
        );
        foreach (PodsFeature::cases() as $feature) {
            $owners = array_filter($manifest->calls, static fn (Call $call): bool => in_array($feature, $call->features(), true));
            self::assertNotSame([], $owners, $feature->id() . ' has no call');
        }
    }

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

        self::assertSame(['divi', 'pods'], array_map(static fn ($p) => $p->id, $compatibility->profiles()));
        self::assertSame(PodsFeature::FieldRead, $compatibility->capability('pods-field-read'));
    }
}