<?php

use Illuminate\Database\Migrations\Migration;
use Illuminate\Database\Schema\Blueprint;
use Illuminate\Support\Facades\Schema;

/**
 * PRC-1143 — konsolide şema: `import_records` tablosunun TAM tanımı (tek dosya).
 */
return new class extends Migration
{
    public function up(): void
    {
        Schema::create('import_records', function (Blueprint $t) {
            $t->id();
            $t->unsignedBigInteger('batch_id');
            $t->string('external_ref', 191);
            $t->string('entity', 32);
            $t->string('status', 20);
            $t->string('target_type', 191)->nullable();
            $t->unsignedBigInteger('target_id')->nullable();
            $t->string('message', 255)->nullable();
            $t->timestamp('created_at')->nullable();
            $t->timestamp('updated_at')->nullable();
            $t->index('batch_id', 'import_records_batch_id_foreign');
            $t->index(['entity', 'external_ref'], 'import_records_entity_external_ref_index');
            $t->index(['target_type', 'target_id'], 'import_records_target_type_target_id_index');
            $t->foreign('batch_id', 'import_records_batch_id_foreign')->references('id')->on('import_batches')->onDelete('cascade');
        });
    }

    public function down(): void
    {
        Schema::dropIfExists('import_records');
    }
};
