<?php

declare(strict_types=1);

namespace Tests\Feature\Auth;

use App\Models\User;
use Filament\Panel;
use Illuminate\Foundation\Testing\RefreshDatabase;
use Illuminate\Support\Facades\DB;
use Tests\TestCase;

class VerifyExistingUserEmailsMigrationTest extends TestCase
{
    use RefreshDatabase;

    public function test_it_verifies_users_that_predate_must_verify_email(): void
    {
        $user = User::factory()->unverified()->create();

        $this->assertFalse($user->hasVerifiedEmail(), 'Precondition: the user must start unverified.');
        $this->assertFalse(
            $user->canAccessPanel(app(Panel::class)),
            'Precondition: an unverified user must be denied the panel, otherwise this migration guards nothing.'
        );

        $this->runBackfillMigration();

        $this->assertTrue($user->fresh()->hasVerifiedEmail());
    }

    public function test_it_leaves_already_verified_users_untouched(): void
    {
        $verifiedAt = now()->subMonth()->startOfSecond();
        $user = User::factory()->create(['email_verified_at' => $verifiedAt]);

        $this->runBackfillMigration();

        $this->assertTrue(
            $verifiedAt->equalTo($user->fresh()->email_verified_at),
            'The backfill must not move an existing verification timestamp.'
        );
    }

    public function test_it_uses_created_at_rather_than_the_migration_run_time(): void
    {
        $createdAt = now()->subYear()->startOfSecond();

        $user = User::factory()->unverified()->create();
        DB::table('users')->where('id', $user->id)->update(['created_at' => $createdAt]);

        $this->runBackfillMigration();

        $this->assertTrue(
            $createdAt->equalTo($user->fresh()->email_verified_at),
            'Verification should be dated to when the account was created, not to when the migration ran.'
        );
    }

    /**
     * The migration is an anonymous class, so it is required and invoked
     * directly: RefreshDatabase has already run every migration before the
     * test body executes, so re-running it through Artisan would be a no-op.
     */
    private function runBackfillMigration(): void
    {
        $migration = require database_path('migrations/2026_08_10_120000_verify_existing_user_emails.php');

        $migration->up();
    }
}