<?php

declare(strict_types=1);

namespace LIT\MCP\Tests\Unit;

use Brain\Monkey\Actions;
use Brain\Monkey\Filters;
use Brain\Monkey\Functions;
use LIT\MCP\Abilities\ExposurePolicy;
use LIT\MCP\Abilities\ToolAvailability;
use LIT\MCP\Admin\SettingsPage;
use LIT\MCP\Integrations\IntegrationRegistry;
use LIT\MCP\Integrations\WordPress\Schema\ContentSchema;
use LIT\MCP\Limits;
use LIT\MCP\Plugin;
use LIT\MCP\Tests\Support\FakeChangeLog;
use Mockery;

/** The wiring of the composition root: Plugin::integrations() and the steps Plugin::boot() takes with it. */
final class PluginTest extends TestCase
{
    private static function registry(ToolAvailability $tools = new ToolAvailability()): IntegrationRegistry
    {
        return Plugin::integrations(
            Mockery::mock(ContentSchema::class),
            FakeChangeLog::forbidden(),
            new Limits(),
            $tools
        );
    }

    /** Registry order = order of the Tools tab, the guide and the server instructions. */
    public function testIntegrationsInRegistryOrder(): void
    {
        self::assertSame(
            ['core', 'wordpress', 'media', 'divi', 'divi-library', 'divi-theme-builder'],
            self::registry()->ids()
        );
    }

    /** Only the Divi integration has boot steps; a second boot registers nothing twice. */
    public function testTheBootableIntegrationsBootExactlyOnce(): void
    {
        Actions\expectAdded('upgrader_process_complete')->once();
        Actions\expectAdded('rest_api_init')->once();
        Filters\expectAdded(SettingsPage::TABS_FILTER)->once();
        $registry = self::registry();

        $registry->boot();
        $registry->boot();
    }

    /**
     * No temporal coupling: building and booting the integrations never asks the Tools-tab state (an unbound
     * ToolAvailability throws when asked); bound afterwards, it answers from the bound policy.
     */
    public function testTheToolsTabStateIsAskedOnlyAfterBind(): void
    {
        Functions\stubTranslationFunctions();
        $tools = new ToolAvailability();
        $registry = self::registry($tools);
        $registry->boot();

        $tools->bind($registry, new ExposurePolicy(['@group:divi-library' => ExposurePolicy::DISABLED]));

        self::assertFalse($tools->groupEnabled('divi-library'));
        self::assertTrue($tools->groupWritable('divi-theme-builder'));
        self::assertFalse($tools->allows('lit/divi-insert'), 'no Divi in unit tests: lit/divi-insert not registered');
    }
}