<?php

namespace Tests\Feature;

use Illuminate\Database\Schema\Blueprint;
use Illuminate\Support\Facades\DB;
use Illuminate\Support\Facades\Schema;
use Tests\TestCase;

class VMangosSiteCredentialsMigrationTest extends TestCase
{
    protected function setUp(): void
    {
        parent::setUp();
        config([
            'database.default' => 'migration_test',
            'database.connections.migration_test' => ['driver' => 'sqlite', 'database' => ':memory:', 'prefix' => ''],
        ]);
        DB::purge('migration_test');
    }

    protected function tearDown(): void
    {
        DB::purge('migration_test');
        parent::tearDown();
    }

    public function test_fresh_install_and_repeated_migrations_preserve_web_mappings(): void
    {
        $create = require database_path('migrations/2026_10_03_000002_create_vmangos_site_credentials.php');
        $link = require database_path('migrations/2026_10_04_000001_add_web_user_id_to_vmangos_site_credentials.php');
        $create->up();
        $link->up();
        DB::table('site_credentials')->insert(['account_id' => 1, 'web_user_id' => 42]);

        $create->up();
        $link->up();
        $this->assertDatabaseHas('site_credentials', [
            'account_id' => 1, 'web_user_id' => 42, 'salt_hex' => null, 'verifier_hex' => null,
        ]);
        $this->assertSame(1, DB::table('site_credentials')->count());

        $link->down();
        $create->down();
        $this->assertDatabaseHas('site_credentials', ['account_id' => 1, 'web_user_id' => 42]);
    }

    public function test_existing_legacy_table_is_upgraded_without_losing_credentials(): void
    {
        Schema::create('site_credentials', function (Blueprint $table): void {
            $table->unsignedInteger('account_id')->primary();
            $table->unsignedInteger('legacy_account_id')->nullable()->unique();
            $table->char('salt_hex', 64);
            $table->char('verifier_hex', 64);
            $table->timestamps();
        });
        DB::table('site_credentials')->insert([
            'account_id' => 7, 'legacy_account_id' => 17,
            'salt_hex' => str_repeat('A', 64), 'verifier_hex' => str_repeat('B', 64),
        ]);

        $create = require database_path('migrations/2026_10_03_000002_create_vmangos_site_credentials.php');
        $link = require database_path('migrations/2026_10_04_000001_add_web_user_id_to_vmangos_site_credentials.php');
        $create->up();
        $link->up();
        $this->assertDatabaseHas('site_credentials', [
            'account_id' => 7, 'legacy_account_id' => 17, 'web_user_id' => null,
            'salt_hex' => str_repeat('A', 64), 'verifier_hex' => str_repeat('B', 64),
        ]);
        DB::table('site_credentials')->insert(['account_id' => 8, 'web_user_id' => 28]);
        $this->assertDatabaseHas('site_credentials', ['account_id' => 8, 'salt_hex' => null, 'verifier_hex' => null]);
    }
}