strprfcrm/database/migrations/2026_03_22_100000_create_chat_messages_table.php

<?php

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

return new class extends Migration
{
    public function up(): void
    {
        Schema::create('chat_messages', function (Blueprint $table) {
            $table->id();
            $table->foreignId('order_id')->nullable()->constrained()->cascadeOnDelete();
            $table->foreignId('reclamation_id')->nullable()->constrained()->cascadeOnDelete();
            $table->foreignId('user_id')->constrained()->cascadeOnDelete();
            $table->foreignId('target_user_id')->nullable()->constrained('users')->nullOnDelete();
            $table->string('notification_type')->default('none'); // none | all | user
            $table->text('message')->nullable();
            $table->timestamps();

            $table->index(['order_id', 'created_at']);
            $table->index(['reclamation_id', 'created_at']);
            $table->index(['user_id', 'created_at']);
        });
    }

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